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Aicardi syndrome is a disorder that occurs almost exclusively in females. It is characterized by three main features that occur together in most affected individuals. People with Aicardi syndrome have absent or underdeveloped tissue connecting the left and right halves of the brain (agenesis or dysgenesis of the corpus... | What are the genetic changes related to Aicardi syndrome ? | The cause of Aicardi syndrome is unknown. Because it occurs almost exclusively in females, researchers believe that it is probably the result of a mutation in a gene on the X chromosome. People normally have 46 chromosomes in each cell. Two of the 46 chromosomes, known as X and Y, are called sex chromosomes because the... |
Aicardi syndrome is a disorder that occurs almost exclusively in females. It is characterized by three main features that occur together in most affected individuals. People with Aicardi syndrome have absent or underdeveloped tissue connecting the left and right halves of the brain (agenesis or dysgenesis of the corpus... | Is Aicardi syndrome inherited ? | Nearly all known cases of Aicardi syndrome are sporadic, which means that they are not passed down through generations and occur in people with no history of the disorder in their family. The disorder is believed to result from new gene mutations. Aicardi syndrome is classified as an X-linked dominant condition. While... |
Aicardi syndrome is a disorder that occurs almost exclusively in females. It is characterized by three main features that occur together in most affected individuals. People with Aicardi syndrome have absent or underdeveloped tissue connecting the left and right halves of the brain (agenesis or dysgenesis of the corpus... | What are the treatments for Aicardi syndrome ? | These resources address the diagnosis or management of Aicardi syndrome: - Baylor College of Medicine - Gene Review: Gene Review: Aicardi Syndrome - Genetic Testing Registry: Aicardi's syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Di... |
Familial dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It a... | What is (are) familial dysautonomia ? | Familial dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It a... |
Familial dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It a... | How many people are affected by familial dysautonomia ? | Familial dysautonomia occurs primarily in people of Ashkenazi (central or eastern European) Jewish descent. It affects about 1 in 3,700 individuals in Ashkenazi Jewish populations. Familial dysautonomia is extremely rare in the general population. |
Familial dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It a... | What are the genetic changes related to familial dysautonomia ? | Mutations in the IKBKAP gene cause familial dysautonomia. The IKBKAP gene provides instructions for making a protein called IKK complex-associated protein (IKAP). This protein is found in a variety of cells throughout the body, including brain cells. Nearly all individuals with familial dysautonomia have two copies o... |
Familial dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It a... | Is familial dysautonomia inherited ? | This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. |
Familial dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It a... | What are the treatments for familial dysautonomia ? | These resources address the diagnosis or management of familial dysautonomia: - Gene Review: Gene Review: Familial Dysautonomia - Genetic Testing Registry: Familial dysautonomia - MedlinePlus Encyclopedia: Riley-Day Syndrome These resources from MedlinePlus offer information about the diagnosis and management of v... |
WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, aniridia, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation). People with WAGR syndrome have a 45 to 60 percent chance of developing Wilms tumor, a rare form of kidn... | What is (are) WAGR syndrome ? | WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, anirida, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation). People with WAGR syndrome have a 45 to 60 percent chance of developing Wilms tumor, a rare form of kidn... |
WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, aniridia, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation). People with WAGR syndrome have a 45 to 60 percent chance of developing Wilms tumor, a rare form of kidn... | How many people are affected by WAGR syndrome ? | The prevalence of WAGR syndrome ranges from 1 in 500,000 to one million individuals. It is estimated that one-third of people with aniridia actually have WAGR syndrome. Approximately 7 in 1,000 cases of Wilms tumor can be attributed to WAGR syndrome. |
WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, aniridia, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation). People with WAGR syndrome have a 45 to 60 percent chance of developing Wilms tumor, a rare form of kidn... | What are the genetic changes related to WAGR syndrome ? | WAGR syndrome is caused by a deletion of genetic material on the short (p) arm of chromosome 11. The size of the deletion varies among affected individuals. The signs and symptoms of WAGR syndrome are related to the loss of multiple genes on the short arm of chromosome 11. WAGR syndrome is often described as a contigu... |
WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, aniridia, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation). People with WAGR syndrome have a 45 to 60 percent chance of developing Wilms tumor, a rare form of kidn... | Is WAGR syndrome inherited ? | Most cases of WAGR syndrome are not inherited. They result from a chromosomal deletion that occurs as a random event during the formation of reproductive cells (eggs or sperm) or in early fetal development. Affected people typically have no history of the disorder in their family. Some affected individuals inherit a c... |
WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, aniridia, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation). People with WAGR syndrome have a 45 to 60 percent chance of developing Wilms tumor, a rare form of kidn... | What are the treatments for WAGR syndrome ? | These resources address the diagnosis or management of WAGR syndrome: - Gene Review: Gene Review: Aniridia - Gene Review: Gene Review: Wilms Tumor Overview - Genetic Testing Registry: 11p partial monosomy syndrome - Genetic Testing Registry: Wilms tumor, aniridia, genitourinary anomalies, mental retardation, and ob... |
Nakajo-Nishimura syndrome is an inherited condition that affects many parts of the body and has been described only in the Japanese population. Beginning in infancy or early childhood, affected individuals develop red, swollen lumps (nodular erythema) on the skin that occur most often in cold weather; recurrent fevers;... | What is (are) Nakajo-Nishimura syndrome ? | Nakajo-Nishimura syndrome is an inherited condition that affects many parts of the body and has been described only in the Japanese population. Beginning in infancy or early childhood, affected individuals develop red, swollen lumps (nodular erythema) on the skin that occur most often in cold weather; recurrent fevers;... |
Nakajo-Nishimura syndrome is an inherited condition that affects many parts of the body and has been described only in the Japanese population. Beginning in infancy or early childhood, affected individuals develop red, swollen lumps (nodular erythema) on the skin that occur most often in cold weather; recurrent fevers;... | How many people are affected by Nakajo-Nishimura syndrome ? | Nakajo-Nishimura syndrome appears to be rare and has been described only in the Japanese population. About 30 cases have been reported in the medical literature. |
Nakajo-Nishimura syndrome is an inherited condition that affects many parts of the body and has been described only in the Japanese population. Beginning in infancy or early childhood, affected individuals develop red, swollen lumps (nodular erythema) on the skin that occur most often in cold weather; recurrent fevers;... | What are the genetic changes related to Nakajo-Nishimura syndrome ? | Nakajo-Nishimura syndrome is caused by mutations in the PSMB8 gene. This gene provides instructions for making one part (subunit) of specialized cell structures called immunoproteasomes, which are found primarily in immune system cells. Immunoproteasomes play an important role in regulating the immune system's response... |
Nakajo-Nishimura syndrome is an inherited condition that affects many parts of the body and has been described only in the Japanese population. Beginning in infancy or early childhood, affected individuals develop red, swollen lumps (nodular erythema) on the skin that occur most often in cold weather; recurrent fevers;... | Is Nakajo-Nishimura syndrome inherited ? | This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. |
Nakajo-Nishimura syndrome is an inherited condition that affects many parts of the body and has been described only in the Japanese population. Beginning in infancy or early childhood, affected individuals develop red, swollen lumps (nodular erythema) on the skin that occur most often in cold weather; recurrent fevers;... | What are the treatments for Nakajo-Nishimura syndrome ? | These resources address the diagnosis or management of Nakajo-Nishimura syndrome: - Genetic Testing Registry: Nakajo syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Geneti... |
Blau syndrome is an inflammatory disorder that primarily affects the skin, joints, and eyes. Signs and symptoms begin in childhood, usually before age 4. A form of skin inflammation called granulomatous dermatitis is typically the earliest sign of Blau syndrome. This skin condition causes a persistent rash that can be ... | What is (are) Blau syndrome ? | Blau syndrome is an inflammatory disorder that primarily affects the skin, joints, and eyes. Signs and symptoms begin in childhood, usually before age 4. A form of skin inflammation called granulomatous dermatitis is typically the earliest sign of Blau syndrome. This skin condition causes a persistent rash that can be... |
Blau syndrome is an inflammatory disorder that primarily affects the skin, joints, and eyes. Signs and symptoms begin in childhood, usually before age 4. A form of skin inflammation called granulomatous dermatitis is typically the earliest sign of Blau syndrome. This skin condition causes a persistent rash that can be ... | How many people are affected by Blau syndrome ? | Although Blau syndrome appears to be uncommon, its prevalence is unknown. |
Blau syndrome is an inflammatory disorder that primarily affects the skin, joints, and eyes. Signs and symptoms begin in childhood, usually before age 4. A form of skin inflammation called granulomatous dermatitis is typically the earliest sign of Blau syndrome. This skin condition causes a persistent rash that can be ... | What are the genetic changes related to Blau syndrome ? | Blau syndrome results from mutations in the NOD2 gene. The protein produced from this gene helps defend the body from foreign invaders, such as viruses and bacteria, by playing several essential roles in the immune response, including inflammatory reactions. An inflammatory reaction occurs when the immune system sends ... |
Blau syndrome is an inflammatory disorder that primarily affects the skin, joints, and eyes. Signs and symptoms begin in childhood, usually before age 4. A form of skin inflammation called granulomatous dermatitis is typically the earliest sign of Blau syndrome. This skin condition causes a persistent rash that can be ... | Is Blau syndrome inherited ? | Blau syndrome is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. Most affected individuals have one parent with the condition. In some cases, people with the characteristic features of Blau syndrome do not have a family history of t... |
Blau syndrome is an inflammatory disorder that primarily affects the skin, joints, and eyes. Signs and symptoms begin in childhood, usually before age 4. A form of skin inflammation called granulomatous dermatitis is typically the earliest sign of Blau syndrome. This skin condition causes a persistent rash that can be ... | What are the treatments for Blau syndrome ? | These resources address the diagnosis or management of Blau syndrome: - Genetic Testing Registry: Blau syndrome - Genetic Testing Registry: Sarcoidosis, early-onset - Merck Manual Consumer Version: Overview of Dermatitis - Merck Manual Consumer Version: Uveitis These resources from MedlinePlus offer information a... |
Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at th... | What is (are) Refsum disease ? | Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at t... |
Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at th... | How many people are affected by Refsum disease ? | The prevalence of Refsum disease is unknown, although the condition is thought to be uncommon. |
Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at th... | What are the genetic changes related to Refsum disease ? | More than 90 percent of all cases of Refsum disease result from mutations in the PHYH gene. The remaining cases are caused by mutations in a gene called PEX7. The signs and symptoms of Refsum disease result from the abnormal buildup of a type of fatty acid called phytanic acid. This substance is obtained from the diet... |
Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at th... | Is Refsum disease inherited ? | This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. |
Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at th... | What are the treatments for Refsum disease ? | These resources address the diagnosis or management of Refsum disease: - Gene Review: Gene Review: Refsum Disease - Gene Review: Gene Review: Retinitis Pigmentosa Overview - Genetic Testing Registry: Phytanic acid storage disease - MedlinePlus Encyclopedia: Retinitis Pigmentosa These resources from MedlinePlus of... |
Legius syndrome is a condition characterized by changes in skin coloring (pigmentation). Almost all affected individuals have multiple café-au-lait spots, which are flat patches on the skin that are darker than the surrounding area. Another pigmentation change, freckles in the armpits and groin, may occur in some aff... | What is (are) Legius syndrome ? | Legius syndrome is a condition characterized by changes in skin coloring (pigmentation). Almost all affected individuals have multiple caf-au-lait spots, which are flat patches on the skin that are darker than the surrounding area. Another pigmentation change, freckles in the armpits and groin, may occur in some affect... |
Legius syndrome is a condition characterized by changes in skin coloring (pigmentation). Almost all affected individuals have multiple café-au-lait spots, which are flat patches on the skin that are darker than the surrounding area. Another pigmentation change, freckles in the armpits and groin, may occur in some aff... | How many people are affected by Legius syndrome ? | The prevalence of Legius syndrome is unknown. Many individuals with this disorder are likely misdiagnosed because the signs and symptoms of Legius syndrome are similar to those of neurofibromatosis type 1. |
Legius syndrome is a condition characterized by changes in skin coloring (pigmentation). Almost all affected individuals have multiple café-au-lait spots, which are flat patches on the skin that are darker than the surrounding area. Another pigmentation change, freckles in the armpits and groin, may occur in some aff... | What are the genetic changes related to Legius syndrome ? | Mutations in the SPRED1 gene cause Legius syndrome. The SPRED1 gene provides instructions for making the Spred-1 protein. This protein controls (regulates) an important cell signaling pathway that is involved in the growth and division of cells (proliferation), the process by which cells mature to carry out specific fu... |
Legius syndrome is a condition characterized by changes in skin coloring (pigmentation). Almost all affected individuals have multiple café-au-lait spots, which are flat patches on the skin that are darker than the surrounding area. Another pigmentation change, freckles in the armpits and groin, may occur in some aff... | Is Legius syndrome inherited ? | This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. |
Legius syndrome is a condition characterized by changes in skin coloring (pigmentation). Almost all affected individuals have multiple café-au-lait spots, which are flat patches on the skin that are darker than the surrounding area. Another pigmentation change, freckles in the armpits and groin, may occur in some aff... | What are the treatments for Legius syndrome ? | These resources address the diagnosis or management of Legius syndrome: - Children's Tumor Foundation: NF1 or Legius Syndrome--An Emerging Challenge of Clinical Diagnosis - Gene Review: Gene Review: Legius Syndrome - Genetic Testing Registry: Legius syndrome These resources from MedlinePlus offer information about... |
Gyrate atrophy of the choroid and retina, which is often shortened to gyrate atrophy, is an inherited disorder characterized by progressive vision loss. People with this disorder have an ongoing loss of cells (atrophy) in the retina, which is the specialized light-sensitive tissue that lines the back of the eye, and i... | What is (are) gyrate atrophy of the choroid and retina ? | Gyrate atrophy of the choroid and retina, which is often shortened to gyrate atrophy, is an inherited disorder characterized by progressive vision loss. People with this disorder have an ongoing loss of cells (atrophy) in the retina, which is the specialized light-sensitive tissue that lines the back of the eye, and in... |
Gyrate atrophy of the choroid and retina, which is often shortened to gyrate atrophy, is an inherited disorder characterized by progressive vision loss. People with this disorder have an ongoing loss of cells (atrophy) in the retina, which is the specialized light-sensitive tissue that lines the back of the eye, and i... | How many people are affected by gyrate atrophy of the choroid and retina ? | More than 150 individuals with gyrate atrophy have been identified; approximately one third are from Finland. |
Gyrate atrophy of the choroid and retina, which is often shortened to gyrate atrophy, is an inherited disorder characterized by progressive vision loss. People with this disorder have an ongoing loss of cells (atrophy) in the retina, which is the specialized light-sensitive tissue that lines the back of the eye, and i... | What are the genetic changes related to gyrate atrophy of the choroid and retina ? | Mutations in the OAT gene cause gyrate atrophy. The OAT gene provides instructions for making the enzyme ornithine aminotransferase. This enzyme is active in the energy-producing centers of cells (mitochondria), where it helps break down a molecule called ornithine. Ornithine is involved in the urea cycle, which proces... |
Gyrate atrophy of the choroid and retina, which is often shortened to gyrate atrophy, is an inherited disorder characterized by progressive vision loss. People with this disorder have an ongoing loss of cells (atrophy) in the retina, which is the specialized light-sensitive tissue that lines the back of the eye, and i... | Is gyrate atrophy of the choroid and retina inherited ? | This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. |
Gyrate atrophy of the choroid and retina, which is often shortened to gyrate atrophy, is an inherited disorder characterized by progressive vision loss. People with this disorder have an ongoing loss of cells (atrophy) in the retina, which is the specialized light-sensitive tissue that lines the back of the eye, and i... | What are the treatments for gyrate atrophy of the choroid and retina ? | These resources address the diagnosis or management of gyrate atrophy: - Baby's First Test - Genetic Testing Registry: Ornithine aminotransferase deficiency These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surg... |
Kabuki syndrome is a disorder that can affect many parts of the body. It is characterized by distinctive facial features including arched eyebrows; long eyelashes; long openings of the eyelids (long palpebral fissures) with the lower lids turned out (everted) at the outside edges; a flat, broadened tip of the nose; and... | What is (are) Kabuki syndrome ? | Kabuki syndrome is a disorder that affects many parts of the body. It is characterized by distinctive facial features including arched eyebrows; long eyelashes; long openings of the eyelids (long palpebral fissures) with the lower lids turned out (everted) at the outside edges; a flat, broadened tip of the nose; and la... |
Kabuki syndrome is a disorder that can affect many parts of the body. It is characterized by distinctive facial features including arched eyebrows; long eyelashes; long openings of the eyelids (long palpebral fissures) with the lower lids turned out (everted) at the outside edges; a flat, broadened tip of the nose; and... | How many people are affected by Kabuki syndrome ? | Kabuki syndrome occurs in approximately 1 in 32,000 newborns. |
Kabuki syndrome is a disorder that can affect many parts of the body. It is characterized by distinctive facial features including arched eyebrows; long eyelashes; long openings of the eyelids (long palpebral fissures) with the lower lids turned out (everted) at the outside edges; a flat, broadened tip of the nose; and... | What are the genetic changes related to Kabuki syndrome ? | Kabuki syndrome is caused by mutations in the KMT2D gene (also known as MLL2) or the KDM6A gene. Between 55 and 80 percent of cases of Kabuki syndrome are caused by mutations in the KMT2D gene. This gene provides instructions for making an enzyme called lysine-specific methyltransferase 2D that is found in many organs... |
Kabuki syndrome is a disorder that can affect many parts of the body. It is characterized by distinctive facial features including arched eyebrows; long eyelashes; long openings of the eyelids (long palpebral fissures) with the lower lids turned out (everted) at the outside edges; a flat, broadened tip of the nose; and... | Is Kabuki syndrome inherited ? | When Kabuki syndrome is caused by mutations in the KMT2D gene, it is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. When Kabuki syndrome is caused by mutations in the KDM6A gene, it is inherited in an X-linked dominant pattern. The... |
Kabuki syndrome is a disorder that can affect many parts of the body. It is characterized by distinctive facial features including arched eyebrows; long eyelashes; long openings of the eyelids (long palpebral fissures) with the lower lids turned out (everted) at the outside edges; a flat, broadened tip of the nose; and... | What are the treatments for Kabuki syndrome ? | These resources address the diagnosis or management of Kabuki syndrome: - Boston Children's Hospital - Gene Review: Gene Review: Kabuki Syndrome - Genetic Testing Registry: Kabuki make-up syndrome - Genetic Testing Registry: Kabuki syndrome 2 These resources from MedlinePlus offer information about the diagnosis ... |
Fragile XE syndrome is a genetic disorder that impairs thinking ability and cognitive functioning. Most affected individuals have mild intellectual disability. In some people with this condition, cognitive function is described as borderline, which means that it is below average but not low enough to be classified as a... | What is (are) fragile XE syndrome ? | Fragile XE syndrome is a genetic disorder that impairs thinking ability and cognitive functioning. Most affected individuals have mild intellectual disability. In some people with this condition, cognitive function is described as borderline, which means that it is below average but not low enough to be classified as a... |
Fragile XE syndrome is a genetic disorder that impairs thinking ability and cognitive functioning. Most affected individuals have mild intellectual disability. In some people with this condition, cognitive function is described as borderline, which means that it is below average but not low enough to be classified as a... | How many people are affected by fragile XE syndrome ? | Fragile XE syndrome is estimated to affect 1 in 25,000 to 100,000 newborn males. Only a small number of affected females have been described in the medical literature. Because mildly affected individuals may never be diagnosed, it is thought that the condition may be more common than reported. |
Fragile XE syndrome is a genetic disorder that impairs thinking ability and cognitive functioning. Most affected individuals have mild intellectual disability. In some people with this condition, cognitive function is described as borderline, which means that it is below average but not low enough to be classified as a... | What are the genetic changes related to fragile XE syndrome ? | Fragile XE syndrome is caused by mutations in the AFF2 gene. This gene provides instructions for making a protein whose function is not well understood. Some studies show that the AFF2 protein can attach (bind) to DNA and help control the activity of other genes. Other studies suggest that the AFF2 protein is involved ... |
Fragile XE syndrome is a genetic disorder that impairs thinking ability and cognitive functioning. Most affected individuals have mild intellectual disability. In some people with this condition, cognitive function is described as borderline, which means that it is below average but not low enough to be classified as a... | Is fragile XE syndrome inherited ? | Fragile XE syndrome is inherited in an X-linked dominant pattern. A condition is considered X-linked if the mutated gene that causes the disorder is located on the X chromosome, which is one of the two sex chromosomes. In females (who have two X chromosomes), a mutation in one of the two copies of the gene in each cell... |
Fragile XE syndrome is a genetic disorder that impairs thinking ability and cognitive functioning. Most affected individuals have mild intellectual disability. In some people with this condition, cognitive function is described as borderline, which means that it is below average but not low enough to be classified as a... | What are the treatments for fragile XE syndrome ? | These resources address the diagnosis or management of fragile XE syndrome: - Centers for Disease Control and Prevention: Developmental Screening Fact Sheet - Genetic Testing Registry: FRAXE These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagno... |
Klippel-Trenaunay syndrome is a condition that affects the development of blood vessels, soft tissues (such as skin and muscles), and bones. The disorder has three characteristic features: a red birthmark called a port-wine stain, abnormal overgrowth of soft tissues and bones, and vein malformations. Most people with K... | What is (are) Klippel-Trenaunay syndrome ? | Klippel-Trenaunay syndrome is a condition that affects the development of blood vessels, soft tissues, and bones. The disorder has three characteristic features: a red birthmark called a port-wine stain, abnormal overgrowth of soft tissues and bones, and vein malformations. Most people with Klippel-Trenaunay syndrome ... |
Klippel-Trenaunay syndrome is a condition that affects the development of blood vessels, soft tissues (such as skin and muscles), and bones. The disorder has three characteristic features: a red birthmark called a port-wine stain, abnormal overgrowth of soft tissues and bones, and vein malformations. Most people with K... | How many people are affected by Klippel-Trenaunay syndrome ? | Klippel-Trenaunay syndrome is estimated to affect at least 1 in 100,000 people worldwide. |
Klippel-Trenaunay syndrome is a condition that affects the development of blood vessels, soft tissues (such as skin and muscles), and bones. The disorder has three characteristic features: a red birthmark called a port-wine stain, abnormal overgrowth of soft tissues and bones, and vein malformations. Most people with K... | What are the genetic changes related to Klippel-Trenaunay syndrome ? | The cause of Klippel-Trenaunay syndrome is unknown. Researchers suspect that the condition may result from changes in one or more genes that regulate the growth of blood vessels during embryonic development. However, no associated genes have been identified. It is also unclear how blood vessel malformations are related... |
Klippel-Trenaunay syndrome is a condition that affects the development of blood vessels, soft tissues (such as skin and muscles), and bones. The disorder has three characteristic features: a red birthmark called a port-wine stain, abnormal overgrowth of soft tissues and bones, and vein malformations. Most people with K... | Is Klippel-Trenaunay syndrome inherited ? | Klippel-Trenaunay syndrome is almost always sporadic, which means that it occurs in people with no history of the disorder in their family. Studies suggest that the condition may result from gene mutations that are not inherited. These genetic changes, which are called somatic mutations, probably occur very early in de... |
Klippel-Trenaunay syndrome is a condition that affects the development of blood vessels, soft tissues (such as skin and muscles), and bones. The disorder has three characteristic features: a red birthmark called a port-wine stain, abnormal overgrowth of soft tissues and bones, and vein malformations. Most people with K... | What are the treatments for Klippel-Trenaunay syndrome ? | These resources address the diagnosis or management of Klippel-Trenaunay syndrome: - Cincinnati Children's Hospital Medical Center - Cleveland Clinic - Genetic Testing Registry: Klippel Trenaunay syndrome - Seattle Children's Hospital These resources from MedlinePlus offer information about the diagnosis and mana... |
Pseudohypoaldosteronism type 2 (PHA2) is caused by problems that affect regulation of the amount of sodium and potassium in the body. Sodium and potassium are important in the control of blood pressure, and their regulation occurs primarily in the kidneys. People with PHA2 have high blood pressure (hypertension) and hi... | What is (are) pseudohypoaldosteronism type 2 ? | Pseudohypoaldosteronism type 2 (PHA2) is caused by problems that affect regulation of the amount of sodium and potassium in the body. Sodium and potassium are important in the control of blood pressure, and their regulation occurs primarily in the kidneys. People with PHA2 have high blood pressure (hypertension) and h... |
Pseudohypoaldosteronism type 2 (PHA2) is caused by problems that affect regulation of the amount of sodium and potassium in the body. Sodium and potassium are important in the control of blood pressure, and their regulation occurs primarily in the kidneys. People with PHA2 have high blood pressure (hypertension) and hi... | How many people are affected by pseudohypoaldosteronism type 2 ? | PHA2 is a rare condition; however, the prevalence is unknown. |
Pseudohypoaldosteronism type 2 (PHA2) is caused by problems that affect regulation of the amount of sodium and potassium in the body. Sodium and potassium are important in the control of blood pressure, and their regulation occurs primarily in the kidneys. People with PHA2 have high blood pressure (hypertension) and hi... | What are the genetic changes related to pseudohypoaldosteronism type 2 ? | PHA2 can be caused by mutations in the WNK1, WNK4, CUL3, or KLHL3 gene. These genes play a role in the regulation of blood pressure. The proteins produced from the WNK1 and WNK4 genes help control the amount of sodium and potassium in the body by regulating channels in the cell membrane that control the transport of s... |
Pseudohypoaldosteronism type 2 (PHA2) is caused by problems that affect regulation of the amount of sodium and potassium in the body. Sodium and potassium are important in the control of blood pressure, and their regulation occurs primarily in the kidneys. People with PHA2 have high blood pressure (hypertension) and hi... | Is pseudohypoaldosteronism type 2 inherited ? | This condition is usually inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. In most cases caused by mutations in the WNK1, WNK4, or KLHL3 gene, an affected person inherits the mutation from one affected parent. While some cases caused ... |
Pseudohypoaldosteronism type 2 (PHA2) is caused by problems that affect regulation of the amount of sodium and potassium in the body. Sodium and potassium are important in the control of blood pressure, and their regulation occurs primarily in the kidneys. People with PHA2 have high blood pressure (hypertension) and hi... | What are the treatments for pseudohypoaldosteronism type 2 ? | These resources address the diagnosis or management of pseudohypoaldosteronism type 2: - Gene Review: Gene Review: Pseudohypoaldosteronism Type II - Genetic Testing Registry: Pseudohypoaldosteronism, type 2 These resources from MedlinePlus offer information about the diagnosis and management of various health condi... |
Hand-foot-genital syndrome is a rare condition that affects the development of the hands and feet, the urinary tract, and the reproductive system. People with this condition have abnormally short thumbs and first (big) toes, small fifth fingers that curve inward (clinodactyly), short feet, and fusion or delayed harden... | What is (are) hand-foot-genital syndrome ? | Hand-foot-genital syndrome is a rare condition that affects the development of the hands and feet, the urinary tract, and the reproductive system. People with this condition have abnormally short thumbs and first (big) toes, small fifth fingers that curve inward (clinodactyly), short feet, and fusion or delayed hardeni... |
Hand-foot-genital syndrome is a rare condition that affects the development of the hands and feet, the urinary tract, and the reproductive system. People with this condition have abnormally short thumbs and first (big) toes, small fifth fingers that curve inward (clinodactyly), short feet, and fusion or delayed harden... | How many people are affected by hand-foot-genital syndrome ? | Hand-foot-genital syndrome is very rare; only a few families with the condition have been reported worldwide. |
Hand-foot-genital syndrome is a rare condition that affects the development of the hands and feet, the urinary tract, and the reproductive system. People with this condition have abnormally short thumbs and first (big) toes, small fifth fingers that curve inward (clinodactyly), short feet, and fusion or delayed harden... | What are the genetic changes related to hand-foot-genital syndrome ? | Mutations in the HOXA13 gene cause hand-foot-genital syndrome. The HOXA13 gene provides instructions for producing a protein that plays an important role in development before birth. Specifically, this protein appears to be critical for the formation and development of the limbs (particularly the hands and feet), urina... |
Hand-foot-genital syndrome is a rare condition that affects the development of the hands and feet, the urinary tract, and the reproductive system. People with this condition have abnormally short thumbs and first (big) toes, small fifth fingers that curve inward (clinodactyly), short feet, and fusion or delayed harden... | Is hand-foot-genital syndrome inherited ? | This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. |
Hand-foot-genital syndrome is a rare condition that affects the development of the hands and feet, the urinary tract, and the reproductive system. People with this condition have abnormally short thumbs and first (big) toes, small fifth fingers that curve inward (clinodactyly), short feet, and fusion or delayed harden... | What are the treatments for hand-foot-genital syndrome ? | These resources address the diagnosis or management of hand-foot-genital syndrome: - Gene Review: Gene Review: Hand-Foot-Genital Syndrome - Genetic Testing Registry: Hand foot uterus syndrome - MedlinePlus Encyclopedia: Hypospadias - MedlinePlus Encyclopedia: Urinary Tract Infection These resources from MedlinePl... |
Paramyotonia congenita is a disorder that affects muscles used for movement (skeletal muscles). Beginning in infancy or early childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. Myotonia causes muscle stiffness that typically appears... | What is (are) paramyotonia congenita ? | Paramyotonia congenita is a disorder that affects muscles used for movement (skeletal muscles). Beginning in infancy or early childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. Myotonia causes muscle stiffness that typically appears... |
Paramyotonia congenita is a disorder that affects muscles used for movement (skeletal muscles). Beginning in infancy or early childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. Myotonia causes muscle stiffness that typically appears... | How many people are affected by paramyotonia congenita ? | Paramyotonia congenita is an uncommon disorder; it is estimated to affect fewer than 1 in 100,000 people. |
Paramyotonia congenita is a disorder that affects muscles used for movement (skeletal muscles). Beginning in infancy or early childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. Myotonia causes muscle stiffness that typically appears... | What are the genetic changes related to paramyotonia congenita ? | Mutations in the SCN4A gene cause paramyotonia congenita. This gene provides instructions for making a protein that is critical for the normal function of skeletal muscle cells. For the body to move normally, skeletal muscles must tense (contract) and relax in a coordinated way. Muscle contractions are triggered by the... |
Paramyotonia congenita is a disorder that affects muscles used for movement (skeletal muscles). Beginning in infancy or early childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. Myotonia causes muscle stiffness that typically appears... | Is paramyotonia congenita inherited ? | This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. In many cases, an affected person has one parent with the condition. |
Paramyotonia congenita is a disorder that affects muscles used for movement (skeletal muscles). Beginning in infancy or early childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. Myotonia causes muscle stiffness that typically appears... | What are the treatments for paramyotonia congenita ? | These resources address the diagnosis or management of paramyotonia congenita: - Genetic Testing Registry: Paramyotonia congenita of von Eulenburg - Periodic Paralysis International: How is Periodic Paralysis Diagnosed? These resources from MedlinePlus offer information about the diagnosis and management of various... |
Malignant migrating partial seizures of infancy (MMPSI) is a severe form of epilepsy that begins very early in life. Recurrent seizures begin before the age of 6 months but commonly start within a few weeks of birth. The seizures do not respond well to treatment. Although affected individuals may develop normally at fi... | What is (are) malignant migrating partial seizures of infancy ? | Malignant migrating partial seizures of infancy (MMPSI) is a severe form of epilepsy that begins very early in life. Recurrent seizures begin before the age of 6 months but commonly start within a few weeks of birth. The seizures do not respond well to treatment. Although affected individuals may develop normally at fi... |
Malignant migrating partial seizures of infancy (MMPSI) is a severe form of epilepsy that begins very early in life. Recurrent seizures begin before the age of 6 months but commonly start within a few weeks of birth. The seizures do not respond well to treatment. Although affected individuals may develop normally at fi... | How many people are affected by malignant migrating partial seizures of infancy ? | MMPSI is a rare condition. Although its prevalence is unknown, approximately 100 cases have been described in the medical literature. |
Malignant migrating partial seizures of infancy (MMPSI) is a severe form of epilepsy that begins very early in life. Recurrent seizures begin before the age of 6 months but commonly start within a few weeks of birth. The seizures do not respond well to treatment. Although affected individuals may develop normally at fi... | What are the genetic changes related to malignant migrating partial seizures of infancy ? | The genetic cause of MMPSI is not fully known. Mutations in the KCNT1 gene have been found in several individuals with this condition and are the most common known cause of MMPSI. Mutations in other genes are also thought to be involved in the condition. The KCNT1 gene provides instructions for making a protein that f... |
Malignant migrating partial seizures of infancy (MMPSI) is a severe form of epilepsy that begins very early in life. Recurrent seizures begin before the age of 6 months but commonly start within a few weeks of birth. The seizures do not respond well to treatment. Although affected individuals may develop normally at fi... | Is malignant migrating partial seizures of infancy inherited ? | MMPSI is not inherited from a parent and does not run in families. This condition is caused by a new mutation that occurs very early in embryonic development (called a de novo mutation). |
Malignant migrating partial seizures of infancy (MMPSI) is a severe form of epilepsy that begins very early in life. Recurrent seizures begin before the age of 6 months but commonly start within a few weeks of birth. The seizures do not respond well to treatment. Although affected individuals may develop normally at fi... | What are the treatments for malignant migrating partial seizures of infancy ? | These resources address the diagnosis or management of malignant migrating partial seizures of infancy: - Genetic Testing Registry: Early infantile epileptic encephalopathy 14 - MedlinePlus Encyclopedia: EEG These resources from MedlinePlus offer information about the diagnosis and management of various health cond... |
Familial exudative vitreoretinopathy is a hereditary disorder that can cause progressive vision loss. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. The disorder prevents blood vessels from forming at the edges of the retina, which reduces the blood supply to t... | What is (are) familial exudative vitreoretinopathy ? | Familial exudative vitreoretinopathy is a hereditary disorder that can cause progressive vision loss. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. The disorder prevents blood vessels from forming at the edges of the retina, which reduces the blood supply to t... |
Familial exudative vitreoretinopathy is a hereditary disorder that can cause progressive vision loss. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. The disorder prevents blood vessels from forming at the edges of the retina, which reduces the blood supply to t... | How many people are affected by familial exudative vitreoretinopathy ? | The prevalence of familial exudative vitreoretinopathy is unknown. It appears to be rare, although affected people with normal vision may never come to medical attention. |
Familial exudative vitreoretinopathy is a hereditary disorder that can cause progressive vision loss. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. The disorder prevents blood vessels from forming at the edges of the retina, which reduces the blood supply to t... | What are the genetic changes related to familial exudative vitreoretinopathy ? | Mutations in the FZD4, LRP5, and NDP genes can cause familial exudative vitreoretinopathy. These genes provide instructions for making proteins that participate in a chemical signaling pathway that affects the way cells and tissues develop. In particular, the proteins produced from the FZD4, LRP5, and NDP genes appear ... |
Familial exudative vitreoretinopathy is a hereditary disorder that can cause progressive vision loss. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. The disorder prevents blood vessels from forming at the edges of the retina, which reduces the blood supply to t... | Is familial exudative vitreoretinopathy inherited ? | Familial exudative vitreoretinopathy has different inheritance patterns depending on the gene involved. Most commonly, the condition results from mutations in the FZD4 or LRP5 gene and has an autosomal dominant pattern of inheritance. Autosomal dominant inheritance means one copy of the altered gene in each cell is suf... |
Familial exudative vitreoretinopathy is a hereditary disorder that can cause progressive vision loss. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. The disorder prevents blood vessels from forming at the edges of the retina, which reduces the blood supply to t... | What are the treatments for familial exudative vitreoretinopathy ? | These resources address the diagnosis or management of familial exudative vitreoretinopathy: - Gene Review: Gene Review: Familial Exudative Vitreoretinopathy, Autosomal Dominant - Gene Review: Gene Review: NDP-Related Retinopathies - Genetic Testing Registry: Exudative vitreoretinopathy 1 - Genetic Testing Registry... |
Microphthalmia with linear skin defects syndrome is a disorder that mainly affects females. In people with this condition, one or both eyes may be very small or poorly developed (microphthalmia). Affected individuals also typically have unusual linear skin markings on the head and neck. These markings follow the paths ... | What is (are) microphthalmia with linear skin defects syndrome ? | Microphthalmia with linear skin defects syndrome is a disorder that mainly affects females. In people with this condition, one or both eyes may be very small or poorly developed (microphthalmia). Affected individuals also typically have unusual linear skin markings on the head and neck. These markings follow the paths ... |
Microphthalmia with linear skin defects syndrome is a disorder that mainly affects females. In people with this condition, one or both eyes may be very small or poorly developed (microphthalmia). Affected individuals also typically have unusual linear skin markings on the head and neck. These markings follow the paths ... | How many people are affected by microphthalmia with linear skin defects syndrome ? | The prevalence of microphthalmia with linear skin defects syndrome is unknown. More than 50 affected individuals have been identified. |
Microphthalmia with linear skin defects syndrome is a disorder that mainly affects females. In people with this condition, one or both eyes may be very small or poorly developed (microphthalmia). Affected individuals also typically have unusual linear skin markings on the head and neck. These markings follow the paths ... | What are the genetic changes related to microphthalmia with linear skin defects syndrome ? | Mutations in the HCCS gene or a deletion of genetic material that includes the HCCS gene cause microphthalmia with linear skin defects syndrome. The HCCS gene carries instructions for producing an enzyme called holocytochrome c-type synthase. This enzyme is active in many tissues of the body and is found in the mitocho... |
Microphthalmia with linear skin defects syndrome is a disorder that mainly affects females. In people with this condition, one or both eyes may be very small or poorly developed (microphthalmia). Affected individuals also typically have unusual linear skin markings on the head and neck. These markings follow the paths ... | Is microphthalmia with linear skin defects syndrome inherited ? | This condition is inherited in an X-linked dominant pattern. The gene associated with this condition is located on the X chromosome, which is one of the two sex chromosomes. In females (who have two X chromosomes), a mutation in one of the two copies of the gene in each cell is sufficient to cause the disorder. Some ce... |
Microphthalmia with linear skin defects syndrome is a disorder that mainly affects females. In people with this condition, one or both eyes may be very small or poorly developed (microphthalmia). Affected individuals also typically have unusual linear skin markings on the head and neck. These markings follow the paths ... | What are the treatments for microphthalmia with linear skin defects syndrome ? | These resources address the diagnosis or management of microphthalmia with linear skin defects syndrome: - Gene Review: Gene Review: Microphthalmia with Linear Skin Defects Syndrome - Genetic Testing Registry: Microphthalmia, syndromic, 7 These resources from MedlinePlus offer information about the diagnosis and ma... |
Cryopyrin-associated periodic syndromes (CAPS) are a group of conditions that have overlapping signs and symptoms and the same genetic cause. The group includes three conditions known as familial cold autoinflammatory syndrome type 1 (FCAS1), Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory diso... | What is (are) neonatal onset multisystem inflammatory disease ? | Neonatal onset multisystem inflammatory disease (NOMID) is a disorder that causes persistent inflammation and tissue damage primarily affecting the nervous system, skin, and joints. Recurrent episodes of mild fever may also occur in this disorder. People with NOMID have a skin rash that is usually present from birth. ... |
Cryopyrin-associated periodic syndromes (CAPS) are a group of conditions that have overlapping signs and symptoms and the same genetic cause. The group includes three conditions known as familial cold autoinflammatory syndrome type 1 (FCAS1), Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory diso... | How many people are affected by neonatal onset multisystem inflammatory disease ? | NOMID is a very rare disorder; approximately 100 affected individuals have been reported worldwide. |
Cryopyrin-associated periodic syndromes (CAPS) are a group of conditions that have overlapping signs and symptoms and the same genetic cause. The group includes three conditions known as familial cold autoinflammatory syndrome type 1 (FCAS1), Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory diso... | What are the genetic changes related to neonatal onset multisystem inflammatory disease ? | Mutations in the NLRP3 gene (also known as CIAS1) cause NOMID. The NLRP3 gene provides instructions for making a protein called cryopyrin. Cryopyrin belongs to a family of proteins called nucleotide-binding domain and leucine-rich repeat containing (NLR) proteins. These proteins are involved in the immune system, help... |
Cryopyrin-associated periodic syndromes (CAPS) are a group of conditions that have overlapping signs and symptoms and the same genetic cause. The group includes three conditions known as familial cold autoinflammatory syndrome type 1 (FCAS1), Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory diso... | Is neonatal onset multisystem inflammatory disease inherited ? | This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. In almost all cases, NOMID results from new mutations. These cases occur in people with no history of the disorder in their family. A few cases have been reported in ... |
Cryopyrin-associated periodic syndromes (CAPS) are a group of conditions that have overlapping signs and symptoms and the same genetic cause. The group includes three conditions known as familial cold autoinflammatory syndrome type 1 (FCAS1), Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory diso... | What are the treatments for neonatal onset multisystem inflammatory disease ? | These resources address the diagnosis or management of NOMID: - Genetic Testing Registry: Chronic infantile neurological, cutaneous and articular syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery... |
Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in all proteins and in some artificial sweeteners. If PKU is not trea... | What is (are) phenylketonuria ? | Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in all proteins and in some artificial sweeteners. If PKU is not treat... |
Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in all proteins and in some artificial sweeteners. If PKU is not trea... | How many people are affected by phenylketonuria ? | The occurrence of PKU varies among ethnic groups and geographic regions worldwide. In the United States, PKU occurs in 1 in 10,000 to 15,000 newborns. Most cases of PKU are detected shortly after birth by newborn screening, and treatment is started promptly. As a result, the severe signs and symptoms of classic PKU are... |
Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in all proteins and in some artificial sweeteners. If PKU is not trea... | What are the genetic changes related to phenylketonuria ? | Mutations in the PAH gene cause phenylketonuria. The PAH gene provides instructions for making an enzyme called phenylalanine hydroxylase. This enzyme converts the amino acid phenylalanine to other important compounds in the body. If gene mutations reduce the activity of phenylalanine hydroxylase, phenylalanine from t... |
Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in all proteins and in some artificial sweeteners. If PKU is not trea... | Is phenylketonuria inherited ? | This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. |
Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in all proteins and in some artificial sweeteners. If PKU is not trea... | What are the treatments for phenylketonuria ? | These resources address the diagnosis or management of phenylketonuria: - Baby's First Test - Gene Review: Gene Review: Phenylalanine Hydroxylase Deficiency - Genetic Testing Registry: Phenylketonuria - MedlinePlus Encyclopedia: Phenylketonuria - MedlinePlus Encyclopedia: Serum Phenylalanine Screening These reso... |
22q11.2 duplication is a condition caused by an extra copy of a small piece of chromosome 22. The duplication occurs near the middle of the chromosome at a location designated q11.2. The features of this condition vary widely, even among members of the same family. Affected individuals may have developmental delay, int... | What is (are) 22q11.2 duplication ? | 22q11.2 duplication is a condition caused by an extra copy of a small piece of chromosome 22. The duplication occurs near the middle of the chromosome at a location designated q11.2. The features of this condition vary widely, even among members of the same family. Affected individuals may have developmental delay, in... |
22q11.2 duplication is a condition caused by an extra copy of a small piece of chromosome 22. The duplication occurs near the middle of the chromosome at a location designated q11.2. The features of this condition vary widely, even among members of the same family. Affected individuals may have developmental delay, int... | How many people are affected by 22q11.2 duplication ? | The prevalence of the 22q11.2 duplication in the general population is difficult to determine. Because many individuals with this duplication have no associated symptoms, their duplication may never be detected. Most people tested for the 22q11.2 duplication have come to medical attention as a result of developmental ... |
22q11.2 duplication is a condition caused by an extra copy of a small piece of chromosome 22. The duplication occurs near the middle of the chromosome at a location designated q11.2. The features of this condition vary widely, even among members of the same family. Affected individuals may have developmental delay, int... | What are the genetic changes related to 22q11.2 duplication ? | People with 22q11.2 duplication have an extra copy of some genetic material at position q11.2 on chromosome 22. In most cases, this extra genetic material consists of a sequence of about 3 million DNA building blocks (base pairs), also written as 3 megabases (Mb). The 3 Mb duplicated region contains 30 to 40 genes. Fo... |
22q11.2 duplication is a condition caused by an extra copy of a small piece of chromosome 22. The duplication occurs near the middle of the chromosome at a location designated q11.2. The features of this condition vary widely, even among members of the same family. Affected individuals may have developmental delay, int... | Is 22q11.2 duplication inherited ? | The inheritance of 22q11.2 duplication is considered autosomal dominant because the duplication affects one of the two copies of chromosome 22 in each cell. About 70 percent of affected individuals inherit the duplication from a parent. In other cases, the duplication is not inherited and instead occurs as a random eve... |
22q11.2 duplication is a condition caused by an extra copy of a small piece of chromosome 22. The duplication occurs near the middle of the chromosome at a location designated q11.2. The features of this condition vary widely, even among members of the same family. Affected individuals may have developmental delay, int... | What are the treatments for 22q11.2 duplication ? | These resources address the diagnosis or management of 22q11.2 duplication: - Gene Review: Gene Review: 22q11.2 Duplication - Genetic Testing Registry: 22q11.2 duplication syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests... |
Branchio-oculo-facial syndrome is a condition that affects development before birth, particularly of structures in the face and neck. Its characteristic features include skin anomalies on the neck, malformations of the eyes and ears, and distinctive facial features. "Branchio-" refers to the branchial arches, which are... | What is (are) branchio-oculo-facial syndrome ? | Branchio-oculo-facial syndrome is a condition that affects development before birth, particularly of structures in the face and neck. Its characteristic features include skin anomalies on the neck, malformations of the eyes and ears, and distinctive facial features. "Branchio-" refers to the branchial arches, which ar... |
Branchio-oculo-facial syndrome is a condition that affects development before birth, particularly of structures in the face and neck. Its characteristic features include skin anomalies on the neck, malformations of the eyes and ears, and distinctive facial features. "Branchio-" refers to the branchial arches, which are... | How many people are affected by branchio-oculo-facial syndrome ? | Branchio-oculo-facial syndrome is a rare condition, although the prevalence is unknown. |
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