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3-methylglutaconyl-CoA hydratase deficiency is an inherited condition that causes neurological problems. Beginning in infancy to early childhood, children with this condition often have delayed development of mental and motor skills (psychomotor delay), speech delay, involuntary muscle cramping (dystonia), and spasms a... | What are the genetic changes related to 3-methylglutaconyl-CoA hydratase deficiency ? | Mutations in the AUH gene cause 3-methylglutaconyl-CoA hydratase deficiency. This gene provides instructions for producing 3-methylglutaconyl-CoA hydratase, an enzyme that is involved in breaking down a protein building block (amino acid) called leucine to provide energy for cells. This amino acid is broken down in cel... |
3-methylglutaconyl-CoA hydratase deficiency is an inherited condition that causes neurological problems. Beginning in infancy to early childhood, children with this condition often have delayed development of mental and motor skills (psychomotor delay), speech delay, involuntary muscle cramping (dystonia), and spasms a... | Is 3-methylglutaconyl-CoA hydratase deficiency 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. |
3-methylglutaconyl-CoA hydratase deficiency is an inherited condition that causes neurological problems. Beginning in infancy to early childhood, children with this condition often have delayed development of mental and motor skills (psychomotor delay), speech delay, involuntary muscle cramping (dystonia), and spasms a... | What are the treatments for 3-methylglutaconyl-CoA hydratase deficiency ? | These resources address the diagnosis or management of 3-methylglutaconyl-CoA hydratase deficiency: - Baby's First Test - Genetic Testing Registry: 3-Methylglutaconic aciduria - MedlinePlus Encyclopedia: Metabolic Acidosis These resources from MedlinePlus offer information about the diagnosis and management of var... |
Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through ... | What is (are) tetrahydrobiopterin deficiency ? | Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through ... |
Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through ... | How many people are affected by tetrahydrobiopterin deficiency ? | This condition is rare, affecting an estimated 1 in 500,000 to 1 in 1 million newborns. In most parts of the world, tetrahydrobiopterin deficiency accounts for 1 to 3 percent of all cases of elevated phenylalanine levels. The remaining cases are caused by a similar condition called phenylketonuria (PKU). In certain cou... |
Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through ... | What are the genetic changes related to tetrahydrobiopterin deficiency ? | Tetrahydrobiopterin deficiency can be caused by mutations in one of several genes, including GCH1, PCBD1, PTS, and QDPR. These genes provide instructions for making enzymes that help produce and recycle tetrahydrobiopterin in the body. Tetrahydrobiopterin normally helps process several amino acids, including phenylalan... |
Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through ... | Is tetrahydrobiopterin deficiency 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. |
Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through ... | What are the treatments for tetrahydrobiopterin deficiency ? | These resources address the diagnosis or management of tetrahydrobiopterin deficiency: - Baby's First Test: Biopterin Defect in Cofactor Biosynthesis - Baby's First Test: Biopterin Defect in Cofactor Regeneration - Genetic Testing Registry: 6-pyruvoyl-tetrahydropterin synthase deficiency - Genetic Testing Registry:... |
Or, try one of these pages: If you need help, see our site map or contact us. | What is (are) X-linked infantile spasm syndrome ? | X-linked infantile spasm syndrome is a seizure disorder characterized by a type of seizure known as infantile spasms. The spasms usually appear before the age of 1. Several types of spasms have been described, but the most commonly reported involves bending at the waist and neck with extension of the arms and legs (som... |
Or, try one of these pages: If you need help, see our site map or contact us. | How many people are affected by X-linked infantile spasm syndrome ? | Infantile spasms are estimated to affect 1 to 1.6 in 100,000 individuals. This estimate includes X-linked infantile spasm syndrome as well as infantile spasms that have other causes. |
Or, try one of these pages: If you need help, see our site map or contact us. | What are the genetic changes related to X-linked infantile spasm syndrome ? | X-linked infantile spasm syndrome is caused by mutations in either the ARX gene or the CDKL5 gene. The proteins produced from these genes play a role in the normal functioning of the brain. The ARX protein is involved in the regulation of other genes that contribute to brain development. The CDKL5 protein is thought to... |
Or, try one of these pages: If you need help, see our site map or contact us. | Is X-linked infantile spasm syndrome inherited ? | X-linked infantile spasm syndrome can have different inheritance patterns depending on the genetic cause. When caused by mutations in the ARX gene, this condition is inherited in an X-linked recessive pattern. The ARX gene is located on the X chromosome, which is one of the two sex chromosomes. In males (who have only... |
Or, try one of these pages: If you need help, see our site map or contact us. | What are the treatments for X-linked infantile spasm syndrome ? | These resources address the diagnosis or management of X-linked infantile spasm syndrome: - Child Neurology Foundation - Genetic Testing Registry: Early infantile epileptic encephalopathy 2 - Genetic Testing Registry: West syndrome These resources from MedlinePlus offer information about the diagnosis and manageme... |
Anhidrotic ectodermal dysplasia with immune deficiency (EDA-ID) is a form of ectodermal dysplasia, which is a group of conditions characterized by abnormal development of ectodermal tissues including the skin, hair, teeth, and sweat glands. In addition, immune system function is reduced in people with EDA-ID. The signs... | What is (are) anhidrotic ectodermal dysplasia with immune deficiency ? | Anhidrotic ectodermal dysplasia with immune deficiency (EDA-ID) is a form of ectodermal dysplasia, which is a group of conditions characterized by abnormal development of ectodermal tissues including the skin, hair, teeth, and sweat glands. In addition, immune system function is reduced in people with EDA-ID. The signs... |
Anhidrotic ectodermal dysplasia with immune deficiency (EDA-ID) is a form of ectodermal dysplasia, which is a group of conditions characterized by abnormal development of ectodermal tissues including the skin, hair, teeth, and sweat glands. In addition, immune system function is reduced in people with EDA-ID. The signs... | How many people are affected by anhidrotic ectodermal dysplasia with immune deficiency ? | The prevalence of the X-linked recessive type of EDA-ID is estimated to be 1 in 250,000 individuals. Only a few cases of the autosomal dominant form have been described in the scientific literature. |
Anhidrotic ectodermal dysplasia with immune deficiency (EDA-ID) is a form of ectodermal dysplasia, which is a group of conditions characterized by abnormal development of ectodermal tissues including the skin, hair, teeth, and sweat glands. In addition, immune system function is reduced in people with EDA-ID. The signs... | What are the genetic changes related to anhidrotic ectodermal dysplasia with immune deficiency ? | Mutations in the IKBKG gene cause X-linked recessive EDA-ID, and mutations in the NFKBIA gene cause autosomal dominant EDA-ID. The proteins produced from these two genes regulate nuclear factor-kappa-B. Nuclear factor-kappa-B is a group of related proteins (a protein complex) that binds to DNA and controls the activity... |
Anhidrotic ectodermal dysplasia with immune deficiency (EDA-ID) is a form of ectodermal dysplasia, which is a group of conditions characterized by abnormal development of ectodermal tissues including the skin, hair, teeth, and sweat glands. In addition, immune system function is reduced in people with EDA-ID. The signs... | Is anhidrotic ectodermal dysplasia with immune deficiency inherited ? | When EDA-ID is caused by mutations in the IKBKG gene, it is inherited in an X-linked recessive pattern. The IKBKG gene is located on the X chromosome, which is one of the two sex chromosomes. In males (who have only one X chromosome), one altered copy of the gene in each cell is sufficient to cause the condition. In fe... |
Anhidrotic ectodermal dysplasia with immune deficiency (EDA-ID) is a form of ectodermal dysplasia, which is a group of conditions characterized by abnormal development of ectodermal tissues including the skin, hair, teeth, and sweat glands. In addition, immune system function is reduced in people with EDA-ID. The signs... | What are the treatments for anhidrotic ectodermal dysplasia with immune deficiency ? | These resources address the diagnosis or management of anhidrotic ectodermal dysplasia with immune deficiency: - Genetic Testing Registry: Anhidrotic ectodermal dysplasia with immune deficiency - Genetic Testing Registry: Hypohidrotic ectodermal dysplasia with immune deficiency - MedlinePlus Encyclopedia: Immunodefi... |
Neurohypophyseal diabetes insipidus is a disorder of water balance. The body normally balances fluid intake with the excretion of fluid in urine. However, people with neurohypophyseal diabetes insipidus produce too much urine (polyuria), which causes them to be excessively thirsty (polydipsia). Affected people need to ... | What is (are) neurohypophyseal diabetes insipidus ? | Neurohypophyseal diabetes insipidus is a disorder of water balance. The body normally balances fluid intake with the excretion of fluid in urine. However, people with neurohypophyseal diabetes insipidus produce too much urine (polyuria), which causes them to be excessively thirsty (polydipsia). Affected people need to ... |
Neurohypophyseal diabetes insipidus is a disorder of water balance. The body normally balances fluid intake with the excretion of fluid in urine. However, people with neurohypophyseal diabetes insipidus produce too much urine (polyuria), which causes them to be excessively thirsty (polydipsia). Affected people need to ... | How many people are affected by neurohypophyseal diabetes insipidus ? | Neurohypophyseal diabetes insipidus is thought to be rare, although its exact incidence is unknown. The acquired form occurs much more frequently than the familial form. |
Neurohypophyseal diabetes insipidus is a disorder of water balance. The body normally balances fluid intake with the excretion of fluid in urine. However, people with neurohypophyseal diabetes insipidus produce too much urine (polyuria), which causes them to be excessively thirsty (polydipsia). Affected people need to ... | What are the genetic changes related to neurohypophyseal diabetes insipidus ? | The familial form of neurohypophyseal diabetes insipidus is caused by mutations in the AVP gene. This gene provides instructions for making a hormone called vasopressin or antidiuretic hormone (ADH). This hormone, which is produced and stored in the brain, helps control the body's water balance. The kidneys filter the... |
Neurohypophyseal diabetes insipidus is a disorder of water balance. The body normally balances fluid intake with the excretion of fluid in urine. However, people with neurohypophyseal diabetes insipidus produce too much urine (polyuria), which causes them to be excessively thirsty (polydipsia). Affected people need to ... | Is neurohypophyseal diabetes insipidus inherited ? | Familial neurohypophyseal diabetes insipidus is almost always inherited in an autosomal dominant pattern, which means one copy of the altered AVP gene in each cell is sufficient to cause the disorder. In a few affected families, the condition has had an autosomal recessive pattern of inheritance. Autosomal recessive i... |
Neurohypophyseal diabetes insipidus is a disorder of water balance. The body normally balances fluid intake with the excretion of fluid in urine. However, people with neurohypophyseal diabetes insipidus produce too much urine (polyuria), which causes them to be excessively thirsty (polydipsia). Affected people need to ... | What are the treatments for neurohypophyseal diabetes insipidus ? | These resources address the diagnosis or management of neurohypophyseal diabetes insipidus: - Genetic Testing Registry: Neurohypophyseal diabetes insipidus - MedlinePlus Encyclopedia: ADH - MedlinePlus Encyclopedia: Diabetes Insipidus - Central These resources from MedlinePlus offer information about the diagnosis... |
Kniest dysplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities and problems with vision and hearing. People with Kniest dysplasia are born with a short trunk and shortened arms and legs. Adult height ranges from 42 inches to 58 inches. Affected individuals ha... | What is (are) Kniest dysplasia ? | Kniest dysplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities and problems with vision and hearing. People with Kniest dysplasia are born with a short trunk and shortened arms and legs. Adult height ranges from 42 inches to 58 inches. Affected individuals hav... |
Kniest dysplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities and problems with vision and hearing. People with Kniest dysplasia are born with a short trunk and shortened arms and legs. Adult height ranges from 42 inches to 58 inches. Affected individuals ha... | How many people are affected by Kniest dysplasia ? | Kniest dysplasia is a rare condition; the exact incidence is unknown. |
Kniest dysplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities and problems with vision and hearing. People with Kniest dysplasia are born with a short trunk and shortened arms and legs. Adult height ranges from 42 inches to 58 inches. Affected individuals ha... | What are the genetic changes related to Kniest dysplasia ? | Kniest dysplasia is one of a spectrum of skeletal disorders caused by mutations in the COL2A1 gene. This gene provides instructions for making a protein that forms type II collagen. This type of collagen is found mostly in the clear gel that fills the eyeball (the vitreous) and in cartilage. Cartilage is a tough, flexi... |
Kniest dysplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities and problems with vision and hearing. People with Kniest dysplasia are born with a short trunk and shortened arms and legs. Adult height ranges from 42 inches to 58 inches. Affected individuals ha... | Is Kniest dysplasia 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. |
Kniest dysplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities and problems with vision and hearing. People with Kniest dysplasia are born with a short trunk and shortened arms and legs. Adult height ranges from 42 inches to 58 inches. Affected individuals ha... | What are the treatments for Kniest dysplasia ? | These resources address the diagnosis or management of Kniest dysplasia: - Genetic Testing Registry: Kniest dysplasia - MedlinePlus Encyclopedia: Clubfoot - MedlinePlus Encyclopedia: Retinal Detachment - MedlinePlus Encyclopedia: Scoliosis These resources from MedlinePlus offer information about the diagnosis and... |
Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system. Individuals with infantile neuroaxonal dystrophy typically do not have any symptoms at birth, but between the ages of about 6 and 18 months they begin to experience delays in acquiring new motor and intellectual skills, such as cra... | What is (are) infantile neuroaxonal dystrophy ? | Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system. Individuals with infantile neuroaxonal dystrophy typically do not have any symptoms at birth, but between the ages of about 6 and 18 months they begin to experience delays in acquiring new motor and intellectual skills, such as cra... |
Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system. Individuals with infantile neuroaxonal dystrophy typically do not have any symptoms at birth, but between the ages of about 6 and 18 months they begin to experience delays in acquiring new motor and intellectual skills, such as cra... | How many people are affected by infantile neuroaxonal dystrophy ? | Infantile neuroaxonal dystrophy is a very rare disorder. Its specific incidence is unknown. |
Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system. Individuals with infantile neuroaxonal dystrophy typically do not have any symptoms at birth, but between the ages of about 6 and 18 months they begin to experience delays in acquiring new motor and intellectual skills, such as cra... | What are the genetic changes related to infantile neuroaxonal dystrophy ? | Mutations in the PLA2G6 gene have been identified in most individuals with infantile neuroaxonal dystrophy. The PLA2G6 gene provides instructions for making a type of enzyme called an A2 phospholipase. This type of enzyme is involved in breaking down (metabolizing) fats called phospholipids. Phospholipid metabolism is ... |
Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system. Individuals with infantile neuroaxonal dystrophy typically do not have any symptoms at birth, but between the ages of about 6 and 18 months they begin to experience delays in acquiring new motor and intellectual skills, such as cra... | Is infantile neuroaxonal dystrophy 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. |
Infantile neuroaxonal dystrophy is a disorder that primarily affects the nervous system. Individuals with infantile neuroaxonal dystrophy typically do not have any symptoms at birth, but between the ages of about 6 and 18 months they begin to experience delays in acquiring new motor and intellectual skills, such as cra... | What are the treatments for infantile neuroaxonal dystrophy ? | These resources address the diagnosis or management of infantile neuroaxonal dystrophy: - Gene Review: Gene Review: PLA2G6-Associated Neurodegeneration - Genetic Testing Registry: Infantile neuroaxonal dystrophy These resources from MedlinePlus offer information about the diagnosis and management of various health ... |
Congenital insensitivity to pain is a condition that inhibits the ability to perceive physical pain. From birth, affected individuals never feel pain in any part of their body when injured. People with this condition can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a ... | What is (are) congenital insensitivity to pain ? | Congenital insensitivity to pain is a condition that inhibits the ability to perceive physical pain. From birth, affected individuals never feel pain in any part of their body when injured. People with this condition can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a ... |
Congenital insensitivity to pain is a condition that inhibits the ability to perceive physical pain. From birth, affected individuals never feel pain in any part of their body when injured. People with this condition can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a ... | How many people are affected by congenital insensitivity to pain ? | Congenital insensitivity to pain is a rare condition; about 20 cases have been reported in the scientific literature. |
Congenital insensitivity to pain is a condition that inhibits the ability to perceive physical pain. From birth, affected individuals never feel pain in any part of their body when injured. People with this condition can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a ... | What are the genetic changes related to congenital insensitivity to pain ? | Mutations in the SCN9A gene cause congenital insensitivity to pain. The SCN9A gene provides instructions for making one part (the alpha subunit) of a sodium channel called NaV1.7. Sodium channels transport positively charged sodium atoms (sodium ions) into cells and play a key role in a cell's ability to generate and t... |
Congenital insensitivity to pain is a condition that inhibits the ability to perceive physical pain. From birth, affected individuals never feel pain in any part of their body when injured. People with this condition can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a ... | Is congenital insensitivity to pain 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. |
Congenital insensitivity to pain is a condition that inhibits the ability to perceive physical pain. From birth, affected individuals never feel pain in any part of their body when injured. People with this condition can feel the difference between sharp and dull and hot and cold, but cannot sense, for example, that a ... | What are the treatments for congenital insensitivity to pain ? | These resources address the diagnosis or management of congenital insensitivity to pain: - Genetic Testing Registry: Indifference to pain, congenital, autosomal recessive These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Th... |
Purine nucleoside phosphorylase deficiency is a disorder of the immune system called an immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with purine nucleoside phosphorylase deficiency ha... | What is (are) purine nucleoside phosphorylase deficiency ? | Purine nucleoside phosphorylase deficiency is one of several disorders that damage the immune system and cause severe combined immunodeficiency (SCID). People with SCID lack virtually all immune protection from foreign invaders such as bacteria, viruses, and fungi. Affected individuals are prone to repeated and persist... |
Purine nucleoside phosphorylase deficiency is a disorder of the immune system called an immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with purine nucleoside phosphorylase deficiency ha... | How many people are affected by purine nucleoside phosphorylase deficiency ? | Purine nucleoside phosphorylase deficiency is rare; only about 70 affected individuals have been identified. This disorder accounts for approximately 4 percent of all SCID cases. |
Purine nucleoside phosphorylase deficiency is a disorder of the immune system called an immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with purine nucleoside phosphorylase deficiency ha... | What are the genetic changes related to purine nucleoside phosphorylase deficiency ? | Purine nucleoside phosphorylase deficiency is caused by mutations in the PNP gene. The PNP gene provides instructions for making an enzyme called purine nucleoside phosphorylase. This enzyme is found throughout the body but is most active in specialized white blood cells called lymphocytes. These cells protect the body... |
Purine nucleoside phosphorylase deficiency is a disorder of the immune system called an immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with purine nucleoside phosphorylase deficiency ha... | Is purine nucleoside phosphorylase deficiency 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. |
Purine nucleoside phosphorylase deficiency is a disorder of the immune system called an immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with purine nucleoside phosphorylase deficiency ha... | What are the treatments for purine nucleoside phosphorylase deficiency ? | These resources address the diagnosis or management of purine nucleoside phosphorylase deficiency: - Baby's First Test: Severe Combined Immunodeficiency - Genetic Testing Registry: Purine-nucleoside phosphorylase deficiency - National Marrow Donor Program These resources from MedlinePlus offer information about th... |
Perrault syndrome is a rare condition that causes different patterns of signs and symptoms in affected males and females. A key feature of this condition is hearing loss, which occurs in both males and females. Affected females also have abnormalities of the ovaries. Neurological problems occur in some affected males a... | What is (are) Perrault syndrome ? | Perrault syndrome is a rare condition that causes different patterns of signs and symptoms in affected males and females. A key feature of this condition is hearing loss, which occurs in both males and females. Affected females also have abnormalities of the ovaries. Neurological problems occur in some affected males a... |
Perrault syndrome is a rare condition that causes different patterns of signs and symptoms in affected males and females. A key feature of this condition is hearing loss, which occurs in both males and females. Affected females also have abnormalities of the ovaries. Neurological problems occur in some affected males a... | How many people are affected by Perrault syndrome ? | Perrault syndrome is a rare disorder; fewer than 100 affected individuals have been described in the medical literature. It is likely that the condition is underdiagnosed, because males without an affected sister will likely be misdiagnosed as having isolated (nonsyndromic) hearing loss rather than Perrault syndrome. |
Perrault syndrome is a rare condition that causes different patterns of signs and symptoms in affected males and females. A key feature of this condition is hearing loss, which occurs in both males and females. Affected females also have abnormalities of the ovaries. Neurological problems occur in some affected males a... | What are the genetic changes related to Perrault syndrome ? | Perrault syndrome has several genetic causes. C10orf2, CLPP, HARS2, LARS2, or HSD17B4 gene mutations have been found in a small number of affected individuals. The proteins produced from several of these genes, including C10orf2, CLPP, HARS2, and LARS2, function in cell structures called mitochondria, which convert the... |
Perrault syndrome is a rare condition that causes different patterns of signs and symptoms in affected males and females. A key feature of this condition is hearing loss, which occurs in both males and females. Affected females also have abnormalities of the ovaries. Neurological problems occur in some affected males a... | Is Perrault 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 do not show signs and symptoms of the condition. |
Perrault syndrome is a rare condition that causes different patterns of signs and symptoms in affected males and females. A key feature of this condition is hearing loss, which occurs in both males and females. Affected females also have abnormalities of the ovaries. Neurological problems occur in some affected males a... | What are the treatments for Perrault syndrome ? | These resources address the diagnosis or management of Perrault syndrome: - Gene Review: Gene Review: Perrault Syndrome - Genetic Testing Registry: Gonadal dysgenesis with auditory dysfunction, autosomal recessive inheritance - Genetic Testing Registry: Perrault syndrome 2 - Genetic Testing Registry: Perrault syndr... |
Alström syndrome is a rare condition that affects many body systems. Many of the signs and symptoms of this condition begin in infancy or early childhood, although some appear later in life. Alström syndrome is characterized by a progressive loss of vision and hearing, a form of heart disease that enlarges and weaken... | What is (are) Alstrm syndrome ? | Alstrm syndrome is a rare condition that affects many body systems. Many of the signs and symptoms of this condition begin in infancy or early childhood, although some appear later in life. Alstrm syndrome is characterized by a progressive loss of vision and hearing, a form of heart disease that enlarges and weakens t... |
Alström syndrome is a rare condition that affects many body systems. Many of the signs and symptoms of this condition begin in infancy or early childhood, although some appear later in life. Alström syndrome is characterized by a progressive loss of vision and hearing, a form of heart disease that enlarges and weaken... | How many people are affected by Alstrm syndrome ? | More than 900 people with Alstrm syndrome have been reported worldwide. |
Alström syndrome is a rare condition that affects many body systems. Many of the signs and symptoms of this condition begin in infancy or early childhood, although some appear later in life. Alström syndrome is characterized by a progressive loss of vision and hearing, a form of heart disease that enlarges and weaken... | What are the genetic changes related to Alstrm syndrome ? | Mutations in the ALMS1 gene cause Alstrm syndrome. The ALMS1 gene provides instructions for making a protein whose function is unknown. Mutations in this gene probably lead to the production of an abnormally short, nonfunctional version of the ALMS1 protein. This protein is normally present at low levels in most tissue... |
Alström syndrome is a rare condition that affects many body systems. Many of the signs and symptoms of this condition begin in infancy or early childhood, although some appear later in life. Alström syndrome is characterized by a progressive loss of vision and hearing, a form of heart disease that enlarges and weaken... | Is Alstrm 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. |
Alström syndrome is a rare condition that affects many body systems. Many of the signs and symptoms of this condition begin in infancy or early childhood, although some appear later in life. Alström syndrome is characterized by a progressive loss of vision and hearing, a form of heart disease that enlarges and weaken... | What are the treatments for Alstrm syndrome ? | These resources address the diagnosis or management of Alstrm syndrome: - Gene Review: Gene Review: Alstrom Syndrome - Genetic Testing Registry: Alstrom syndrome - MedlinePlus Encyclopedia: Acanthosis Nigricans - MedlinePlus Encyclopedia: Alstrm syndrome These resources from MedlinePlus offer information about th... |
Congenital central hypoventilation syndrome (CCHS) is a disorder that affects normal breathing. People with this disorder take shallow breaths (hypoventilate), especially during sleep, resulting in a shortage of oxygen and a buildup of carbon dioxide in the blood. Ordinarily, the part of the nervous system that control... | What is (are) congenital central hypoventilation syndrome ? | Congenital central hypoventilation syndrome (CCHS) is a disorder that affects breathing. People with this disorder take shallow breaths (hypoventilate), especially during sleep, resulting in a shortage of oxygen and a buildup of carbon dioxide in the blood. Ordinarily, the part of the nervous system that controls invol... |
Congenital central hypoventilation syndrome (CCHS) is a disorder that affects normal breathing. People with this disorder take shallow breaths (hypoventilate), especially during sleep, resulting in a shortage of oxygen and a buildup of carbon dioxide in the blood. Ordinarily, the part of the nervous system that control... | How many people are affected by congenital central hypoventilation syndrome ? | CCHS is a relatively rare disorder. Approximately 1,000 individuals with this condition have been identified. Researchers believe that some cases of sudden infant death syndrome (SIDS) or sudden unexplained death in children may be caused by undiagnosed CCHS. |
Congenital central hypoventilation syndrome (CCHS) is a disorder that affects normal breathing. People with this disorder take shallow breaths (hypoventilate), especially during sleep, resulting in a shortage of oxygen and a buildup of carbon dioxide in the blood. Ordinarily, the part of the nervous system that control... | What are the genetic changes related to congenital central hypoventilation syndrome ? | Mutations in the PHOX2B gene cause CCHS. The PHOX2B gene provides instructions for making a protein that acts early in development to help promote the formation of nerve cells (neurons) and regulate the process by which the neurons mature to carry out specific functions (differentiation). The protein is active in the n... |
Congenital central hypoventilation syndrome (CCHS) is a disorder that affects normal breathing. People with this disorder take shallow breaths (hypoventilate), especially during sleep, resulting in a shortage of oxygen and a buildup of carbon dioxide in the blood. Ordinarily, the part of the nervous system that control... | Is congenital central hypoventilation 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. More than 90 percent of cases of CCHS result from new mutations in the PHOX2B gene. These cases occur in people with no history of the disorder in their family. Occas... |
Congenital central hypoventilation syndrome (CCHS) is a disorder that affects normal breathing. People with this disorder take shallow breaths (hypoventilate), especially during sleep, resulting in a shortage of oxygen and a buildup of carbon dioxide in the blood. Ordinarily, the part of the nervous system that control... | What are the treatments for congenital central hypoventilation syndrome ? | These resources address the diagnosis or management of CCHS: - Gene Review: Gene Review: Congenital Central Hypoventilation Syndrome - Genetic Testing Registry: Congenital central hypoventilation - MedlinePlus Encyclopedia: Hirschsprung's Disease These resources from MedlinePlus offer information about the diagnos... |
Lowe syndrome is a condition that primarily affects the eyes, brain, and kidneys. This disorder occurs almost exclusively in males. Infants with Lowe syndrome are born with thick clouding of the lenses in both eyes (congenital cataracts), often with other eye abnormalities that can impair vision. About half of affected... | What is (are) Lowe syndrome ? | Lowe syndrome is a condition that primarily affects the eyes, brain, and kidneys. This disorder occurs almost exclusively in males. Infants with Lowe syndrome are born with thick clouding of the lenses in both eyes (congenital cataracts), often with other eye abnormalities that can impair vision. About half of affecte... |
Lowe syndrome is a condition that primarily affects the eyes, brain, and kidneys. This disorder occurs almost exclusively in males. Infants with Lowe syndrome are born with thick clouding of the lenses in both eyes (congenital cataracts), often with other eye abnormalities that can impair vision. About half of affected... | How many people are affected by Lowe syndrome ? | Lowe syndrome is an uncommon condition. It has an estimated prevalence of 1 in 500,000 people. |
Lowe syndrome is a condition that primarily affects the eyes, brain, and kidneys. This disorder occurs almost exclusively in males. Infants with Lowe syndrome are born with thick clouding of the lenses in both eyes (congenital cataracts), often with other eye abnormalities that can impair vision. About half of affected... | What are the genetic changes related to Lowe syndrome ? | Mutations in the OCRL gene cause Lowe syndrome. The OCRL gene provides instructions for making an enzyme that helps modify fat (lipid) molecules called membrane phospholipids. By controlling the levels of specific membrane phospholipids, the OCRL enzyme helps regulate the transport of certain substances to and from the... |
Lowe syndrome is a condition that primarily affects the eyes, brain, and kidneys. This disorder occurs almost exclusively in males. Infants with Lowe syndrome are born with thick clouding of the lenses in both eyes (congenital cataracts), often with other eye abnormalities that can impair vision. About half of affected... | Is Lowe syndrome inherited ? | This condition is inherited in an X-linked pattern. A condition is considered X-linked if the mutated gene that causes the disorder is located on the X chromosome, one of the two sex chromosomes. In males (who have only one X chromosome), one altered copy of the gene in each cell is sufficient to cause the condition. I... |
Lowe syndrome is a condition that primarily affects the eyes, brain, and kidneys. This disorder occurs almost exclusively in males. Infants with Lowe syndrome are born with thick clouding of the lenses in both eyes (congenital cataracts), often with other eye abnormalities that can impair vision. About half of affected... | What are the treatments for Lowe syndrome ? | These resources address the diagnosis or management of Lowe syndrome: - Gene Review: Gene Review: Lowe Syndrome - Genetic Testing Registry: Lowe syndrome - MedlinePlus Encyclopedia: Congenital Cataract - MedlinePlus Encyclopedia: Fanconi Syndrome These resources from MedlinePlus offer information about the diagno... |
Periventricular heterotopia is a condition in which nerve cells (neurons) do not migrate properly during the early development of the fetal brain, from about the 6th week to the 24th week of pregnancy. Heterotopia means "out of place." In normal brain development, neurons form in the periventricular region, located aro... | What is (are) periventricular heterotopia ? | Periventricular heterotopia is a condition in which nerve cells (neurons) do not migrate properly during the early development of the fetal brain, from about the 6th week to the 24th week of pregnancy. Heterotopia means "out of place." In normal brain development, neurons form in the periventricular region, located aro... |
Periventricular heterotopia is a condition in which nerve cells (neurons) do not migrate properly during the early development of the fetal brain, from about the 6th week to the 24th week of pregnancy. Heterotopia means "out of place." In normal brain development, neurons form in the periventricular region, located aro... | How many people are affected by periventricular heterotopia ? | Periventricular heterotopia is a rare condition. Its incidence is unknown. |
Periventricular heterotopia is a condition in which nerve cells (neurons) do not migrate properly during the early development of the fetal brain, from about the 6th week to the 24th week of pregnancy. Heterotopia means "out of place." In normal brain development, neurons form in the periventricular region, located aro... | What are the genetic changes related to periventricular heterotopia ? | Periventricular heterotopia is related to chromosome 5. Mutations in the ARFGEF2 and FLNA genes cause periventricular heterotopia. In most cases, periventricular heterotopia is caused by mutations in the FLNA gene. This gene provides instructions for producing the protein filamin A, which helps build the network of p... |
Periventricular heterotopia is a condition in which nerve cells (neurons) do not migrate properly during the early development of the fetal brain, from about the 6th week to the 24th week of pregnancy. Heterotopia means "out of place." In normal brain development, neurons form in the periventricular region, located aro... | Is periventricular heterotopia inherited ? | Periventricular heterotopia can have different inheritance patterns. When this condition is caused by mutations in the FLNA gene, it 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, one of the two sex chromosom... |
Periventricular heterotopia is a condition in which nerve cells (neurons) do not migrate properly during the early development of the fetal brain, from about the 6th week to the 24th week of pregnancy. Heterotopia means "out of place." In normal brain development, neurons form in the periventricular region, located aro... | What are the treatments for periventricular heterotopia ? | These resources address the diagnosis or management of periventricular heterotopia: - Gene Review: Gene Review: FLNA-Related Periventricular Nodular Heterotopia - Genetic Testing Registry: Heterotopia, periventricular, associated with chromosome 5p anomalies - Genetic Testing Registry: Heterotopia, periventricular, ... |
CHARGE syndrome is a disorder that affects many areas of the body. CHARGE is an abbreviation for several of the features common in the disorder: coloboma, heart defects, atresia choanae (also known as choanal atresia), growth retardation, genital abnormalities, and ear abnormalities. The pattern of malformations varies... | What is (are) CHARGE syndrome ? | CHARGE syndrome is a disorder that affects many areas of the body. CHARGE stands for coloboma, heart defect, atresia choanae (also known as choanal atresia), retarded growth and development, genital abnormality, and ear abnormality. The pattern of malformations varies among individuals with this disorder, and infants o... |
CHARGE syndrome is a disorder that affects many areas of the body. CHARGE is an abbreviation for several of the features common in the disorder: coloboma, heart defects, atresia choanae (also known as choanal atresia), growth retardation, genital abnormalities, and ear abnormalities. The pattern of malformations varies... | How many people are affected by CHARGE syndrome ? | CHARGE syndrome occurs in approximately 1 in 8,500 to 10,000 individuals. |
CHARGE syndrome is a disorder that affects many areas of the body. CHARGE is an abbreviation for several of the features common in the disorder: coloboma, heart defects, atresia choanae (also known as choanal atresia), growth retardation, genital abnormalities, and ear abnormalities. The pattern of malformations varies... | What are the genetic changes related to CHARGE syndrome ? | Mutations in the CHD7 gene cause more than half of all cases of CHARGE syndrome. The CHD7 gene provides instructions for making a protein that most likely regulates gene activity (expression) by a process known as chromatin remodeling. Chromatin is the complex of DNA and protein that packages DNA into chromosomes. The ... |
CHARGE syndrome is a disorder that affects many areas of the body. CHARGE is an abbreviation for several of the features common in the disorder: coloboma, heart defects, atresia choanae (also known as choanal atresia), growth retardation, genital abnormalities, and ear abnormalities. The pattern of malformations varies... | Is CHARGE syndrome inherited ? | CHARGE 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 cases result from new mutations in the CHD7 gene and occur in people with no history of the disorder in their family. In rare cases, an affected person inherits ... |
CHARGE syndrome is a disorder that affects many areas of the body. CHARGE is an abbreviation for several of the features common in the disorder: coloboma, heart defects, atresia choanae (also known as choanal atresia), growth retardation, genital abnormalities, and ear abnormalities. The pattern of malformations varies... | What are the treatments for CHARGE syndrome ? | These resources address the diagnosis or management of CHARGE syndrome: - Gene Review: Gene Review: CHARGE Syndrome - Genetic Testing Registry: CHARGE association - MedlinePlus Encyclopedia: Choanal atresia - MedlinePlus Encyclopedia: Coloboma - MedlinePlus Encyclopedia: Facial Paralysis These resources from Med... |
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a disorder that causes progressive dysfunction of the brain (encephalopathy). It is characterized by a loss of intellectual functioning (dementia) and seizures. At first, affected individuals may have difficulty sustaining attention and concentrating.... | What is (are) familial encephalopathy with neuroserpin inclusion bodies ? | Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a disorder that causes progressive dysfunction of the brain (encephalopathy). It is characterized by a loss of intellectual functioning (dementia) and seizures. At first, affected individuals may have difficulty sustaining attention and concentrating.... |
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a disorder that causes progressive dysfunction of the brain (encephalopathy). It is characterized by a loss of intellectual functioning (dementia) and seizures. At first, affected individuals may have difficulty sustaining attention and concentrating.... | How many people are affected by familial encephalopathy with neuroserpin inclusion bodies ? | This condition appears to be rare; only a few affected individuals have been reported worldwide. |
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a disorder that causes progressive dysfunction of the brain (encephalopathy). It is characterized by a loss of intellectual functioning (dementia) and seizures. At first, affected individuals may have difficulty sustaining attention and concentrating.... | What are the genetic changes related to familial encephalopathy with neuroserpin inclusion bodies ? | FENIB results from mutations in the SERPINI1 gene. This gene provides instructions for making a protein called neuroserpin, which is found in nerve cells (neurons). Neuroserpin plays a role in the development and function of the nervous system. This protein helps control the growth of neurons and their connections with... |
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a disorder that causes progressive dysfunction of the brain (encephalopathy). It is characterized by a loss of intellectual functioning (dementia) and seizures. At first, affected individuals may have difficulty sustaining attention and concentrating.... | Is familial encephalopathy with neuroserpin inclusion bodies inherited ? | FENIB 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 a parent with the condition. |
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a disorder that causes progressive dysfunction of the brain (encephalopathy). It is characterized by a loss of intellectual functioning (dementia) and seizures. At first, affected individuals may have difficulty sustaining attention and concentrating.... | What are the treatments for familial encephalopathy with neuroserpin inclusion bodies ? | These resources address the diagnosis or management of FENIB: - Genetic Testing Registry: Familial encephalopathy with neuroserpin inclusion bodies - MedlinePlus Encyclopedia: Dementia - MedlinePlus Encyclopedia: Seizures These resources from MedlinePlus offer information about the diagnosis and management of vari... |
Pitt-Hopkins syndrome is a condition characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures (epilepsy), and distinctive facial features. People with Pitt-Hopkins syndrome have moderate to severe intellectual disability. Most affected individuals have delayed development... | What is (are) Pitt-Hopkins syndrome ? | Pitt-Hopkins syndrome is a condition characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures (epilepsy), and distinctive facial features. People with Pitt-Hopkins syndrome have moderate to severe intellectual disability. Most affected individuals have delayed developmen... |
Pitt-Hopkins syndrome is a condition characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures (epilepsy), and distinctive facial features. People with Pitt-Hopkins syndrome have moderate to severe intellectual disability. Most affected individuals have delayed development... | How many people are affected by Pitt-Hopkins syndrome ? | Pitt-Hopkins syndrome is thought to be a very rare condition. Approximately 500 affected individuals have been reported worldwide. |
Pitt-Hopkins syndrome is a condition characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures (epilepsy), and distinctive facial features. People with Pitt-Hopkins syndrome have moderate to severe intellectual disability. Most affected individuals have delayed development... | What are the genetic changes related to Pitt-Hopkins syndrome ? | Mutations in the TCF4 gene cause Pitt-Hopkins syndrome. This gene provides instructions for making a protein that attaches (binds) to other proteins and then binds to specific regions of DNA to help control the activity of many other genes. On the basis of its DNA binding and gene controlling activities, the TCF4 prote... |
Pitt-Hopkins syndrome is a condition characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures (epilepsy), and distinctive facial features. People with Pitt-Hopkins syndrome have moderate to severe intellectual disability. Most affected individuals have delayed development... | Is Pitt-Hopkins 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. |
Pitt-Hopkins syndrome is a condition characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures (epilepsy), and distinctive facial features. People with Pitt-Hopkins syndrome have moderate to severe intellectual disability. Most affected individuals have delayed development... | What are the treatments for Pitt-Hopkins syndrome ? | These resources address the diagnosis or management of Pitt-Hopkins syndrome: - Gene Review: Gene Review: Pitt-Hopkins Syndrome - Genetic Testing Registry: Pitt-Hopkins syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests -... |
Beare-Stevenson cutis gyrata syndrome is a genetic disorder that typically features skin abnormalities and the premature fusion of certain bones of the skull (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. Many of the characteristic facial featu... | What is (are) Beare-Stevenson cutis gyrata syndrome ? | Beare-Stevenson cutis gyrata syndrome is a genetic disorder characterized by skin abnormalities and the premature fusion of certain bones of the skull (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. Many of the characteristic facial features of... |
Beare-Stevenson cutis gyrata syndrome is a genetic disorder that typically features skin abnormalities and the premature fusion of certain bones of the skull (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. Many of the characteristic facial featu... | How many people are affected by Beare-Stevenson cutis gyrata syndrome ? | Beare-Stevenson cutis gyrata syndrome is a rare genetic disorder; its incidence is unknown. Fewer than 20 people with this condition have been reported worldwide. |
Beare-Stevenson cutis gyrata syndrome is a genetic disorder that typically features skin abnormalities and the premature fusion of certain bones of the skull (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. Many of the characteristic facial featu... | What are the genetic changes related to Beare-Stevenson cutis gyrata syndrome ? | Mutations in the FGFR2 gene cause Beare-Stevenson cutis gyrata syndrome. This gene produces a protein called fibroblast growth factor receptor 2, which plays an important role in signaling a cell to respond to its environment, perhaps by dividing or maturing. A mutation in the FGFR2 gene alters the protein and promotes... |
Beare-Stevenson cutis gyrata syndrome is a genetic disorder that typically features skin abnormalities and the premature fusion of certain bones of the skull (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. Many of the characteristic facial featu... | Is Beare-Stevenson cutis gyrata 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. All reported cases have resulted from new mutations in the gene, and occurred in people with no history of the disorder in their family. |
Beare-Stevenson cutis gyrata syndrome is a genetic disorder that typically features skin abnormalities and the premature fusion of certain bones of the skull (craniosynostosis). This early fusion prevents the skull from growing normally and affects the shape of the head and face. Many of the characteristic facial featu... | What are the treatments for Beare-Stevenson cutis gyrata syndrome ? | These resources address the diagnosis or management of Beare-Stevenson cutis gyrata syndrome: - Gene Review: Gene Review: FGFR-Related Craniosynostosis Syndromes - Genetic Testing Registry: Cutis Gyrata syndrome of Beare and Stevenson - MedlinePlus Encyclopedia: Acanthosis Nigricans - MedlinePlus Encyclopedia: Cran... |
Neurofibromatosis type 2 is a disorder characterized by the growth of noncancerous tumors in the nervous system. The most common tumors associated with neurofibromatosis type 2 are called vestibular schwannomas. These growths develop along the nerve that carries information from the inner ear to the brain (the auditory... | What is (are) neurofibromatosis type 2 ? | Neurofibromatosis type 2 is a disorder characterized by the growth of noncancerous tumors in the nervous system. The most common tumors associated with neurofibromatosis type 2 are called vestibular schwannomas or acoustic neuromas. These growths develop along the nerve that carries information from the inner ear to th... |
Neurofibromatosis type 2 is a disorder characterized by the growth of noncancerous tumors in the nervous system. The most common tumors associated with neurofibromatosis type 2 are called vestibular schwannomas. These growths develop along the nerve that carries information from the inner ear to the brain (the auditory... | How many people are affected by neurofibromatosis type 2 ? | Neurofibromatosis type 2 has an estimated incidence of 1 in 33,000 people worldwide. |
Neurofibromatosis type 2 is a disorder characterized by the growth of noncancerous tumors in the nervous system. The most common tumors associated with neurofibromatosis type 2 are called vestibular schwannomas. These growths develop along the nerve that carries information from the inner ear to the brain (the auditory... | What are the genetic changes related to neurofibromatosis type 2 ? | Mutations in the NF2 gene cause neurofibromatosis type 2. The NF2 gene provides instructions for making a protein called merlin (also known as schwannomin). This protein is produced in the nervous system, particularly in Schwann cells, which surround and insulate nerve cells (neurons) in the brain and spinal cord. Merl... |
Neurofibromatosis type 2 is a disorder characterized by the growth of noncancerous tumors in the nervous system. The most common tumors associated with neurofibromatosis type 2 are called vestibular schwannomas. These growths develop along the nerve that carries information from the inner ear to the brain (the auditory... | Is neurofibromatosis type 2 inherited ? | Neurofibromatosis type 2 is considered to have an autosomal dominant pattern of inheritance. People with this condition are born with one mutated copy of the NF2 gene in each cell. In about half of cases, the altered gene is inherited from an affected parent. The remaining cases result from new mutations in the NF2 gen... |
Neurofibromatosis type 2 is a disorder characterized by the growth of noncancerous tumors in the nervous system. The most common tumors associated with neurofibromatosis type 2 are called vestibular schwannomas. These growths develop along the nerve that carries information from the inner ear to the brain (the auditory... | What are the treatments for neurofibromatosis type 2 ? | These resources address the diagnosis or management of neurofibromatosis type 2: - Boston Children's Hospital - Gene Review: Gene Review: Neurofibromatosis 2 - Genetic Testing Registry: Neurofibromatosis, type 2 - MedlinePlus Encyclopedia: Acoustic Neuroma - MedlinePlus Encyclopedia: Neurofibromatosis 2 - Neurofi... |
Sudden infant death with dysgenesis of the testes syndrome (SIDDT) is a rare condition that is fatal in the first year of life; its major features include abnormalities of the reproductive system in males, feeding difficulties, and breathing problems. Infants with SIDDT who are genetically male, with one X chromosome a... | What is (are) sudden infant death with dysgenesis of the testes syndrome ? | Sudden infant death with dysgenesis of the testes syndrome (SIDDT) is a rare condition that is fatal in the first year of life; its major features include abnormalities of the reproductive system in males, feeding difficulties, and breathing problems. Infants with SIDDT who are genetically male, with one X chromosome ... |
Sudden infant death with dysgenesis of the testes syndrome (SIDDT) is a rare condition that is fatal in the first year of life; its major features include abnormalities of the reproductive system in males, feeding difficulties, and breathing problems. Infants with SIDDT who are genetically male, with one X chromosome a... | How many people are affected by sudden infant death with dysgenesis of the testes syndrome ? | SIDDT has been diagnosed in more than 20 infants from a single Old Order Amish community in Pennsylvania. The condition has not been reported outside this community. |
Sudden infant death with dysgenesis of the testes syndrome (SIDDT) is a rare condition that is fatal in the first year of life; its major features include abnormalities of the reproductive system in males, feeding difficulties, and breathing problems. Infants with SIDDT who are genetically male, with one X chromosome a... | What are the genetic changes related to sudden infant death with dysgenesis of the testes syndrome ? | A single mutation in the TSPYL1 gene has caused all identified cases of SIDDT. This gene provides instructions for making a protein called TSPY-like 1, whose function is unknown. Based on its role in SIDDT, researchers propose that TSPY-like 1 is involved in the development of the male reproductive system and the brain... |
Sudden infant death with dysgenesis of the testes syndrome (SIDDT) is a rare condition that is fatal in the first year of life; its major features include abnormalities of the reproductive system in males, feeding difficulties, and breathing problems. Infants with SIDDT who are genetically male, with one X chromosome a... | Is sudden infant death with dysgenesis of the testes 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. |
Sudden infant death with dysgenesis of the testes syndrome (SIDDT) is a rare condition that is fatal in the first year of life; its major features include abnormalities of the reproductive system in males, feeding difficulties, and breathing problems. Infants with SIDDT who are genetically male, with one X chromosome a... | What are the treatments for sudden infant death with dysgenesis of the testes syndrome ? | These resources address the diagnosis or management of SIDDT: - Clinic for Special Children (Strasburg, Pennsylvania) - Genetic Testing Registry: Sudden infant death with dysgenesis of the testes syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditi... |
Spondylocarpotarsal synostosis syndrome is a disorder that affects the development of bones throughout the body. Newborns with this disorder are of approximately normal length, but impaired growth of the torso results in short stature over time. The bones of the spine (vertebrae) are misshapen and abnormally joined tog... | What is (are) spondylocarpotarsal synostosis syndrome ? | Spondylocarpotarsal synostosis syndrome is a disorder that affects the development of bones throughout the body. Newborns with this disorder are of approximately normal length, but impaired growth of the trunk results in short stature over time. The bones of the spine (vertebrae) are misshapen and abnormally joined tog... |
Spondylocarpotarsal synostosis syndrome is a disorder that affects the development of bones throughout the body. Newborns with this disorder are of approximately normal length, but impaired growth of the torso results in short stature over time. The bones of the spine (vertebrae) are misshapen and abnormally joined tog... | How many people are affected by spondylocarpotarsal synostosis syndrome ? | Spondylocarpotarsal synostosis syndrome is a rare disorder; its prevalence is unknown. At least 25 affected individuals have been identified. |
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