qtype stringclasses 16
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genetic changes | What are the genetic changes related to Saethre-Chotzen syndrome ? | Mutations in the TWIST1 gene cause Saethre-Chotzen syndrome. The TWIST1 gene provides instructions for making a protein that plays an important role in early development. This protein is a transcription factor, which means that it attaches (binds) to specific regions of DNA and helps control the activity of particular ... |
inheritance | Is Saethre-Chotzen 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. In some cases, an affected person inherits the mutation from one affected parent. Other cases may result from new mutations in the gene. These cases occur in people wi... |
treatment | What are the treatments for Saethre-Chotzen syndrome ? | These resources address the diagnosis or management of Saethre-Chotzen syndrome: - Gene Review: Gene Review: Saethre-Chotzen Syndrome - Genetic Testing Registry: Robinow Sorauf syndrome - Genetic Testing Registry: Saethre-Chotzen syndrome - MedlinePlus Encyclopedia: Craniosynostosis - MedlinePlus Encyclopedia: Sku... |
information | What is (are) mucolipidosis III gamma ? | Mucolipidosis III gamma is a slowly progressive disorder that affects many parts of the body. Signs and symptoms of this condition typically appear around age 3. Individuals with mucolipidosis III gamma grow slowly and have short stature. They also have stiff joints and dysostosis multiplex, which refers to multiple s... |
frequency | How many people are affected by mucolipidosis III gamma ? | Mucolipidosis III gamma is a rare disorder, although its exact prevalence is unknown. It is estimated to occur in about 1 in 100,000 to 400,000 individuals worldwide. |
genetic changes | What are the genetic changes related to mucolipidosis III gamma ? | Mutations in the GNPTG gene cause mucolipidosis III gamma. This gene provides instructions for making one part (subunit) of an enzyme called GlcNAc-1-phosphotransferase. This enzyme helps prepare certain newly made enzymes for transport to lysosomes. Lysosomes are compartments within the cell that use digestive enzymes... |
inheritance | Is mucolipidosis III gamma 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. |
treatment | What are the treatments for mucolipidosis III gamma ? | These resources address the diagnosis or management of mucolipidosis III gamma: - Gene Review: Gene Review: Mucolipidosis III Gamma - Genetic Testing Registry: Mucolipidosis III Gamma - MedlinePlus Encyclopedia: Cloudy Cornea - MedlinePlus Encyclopedia: Heart Valves These resources from MedlinePlus offer informat... |
information | 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. ... |
frequency | 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. |
genetic changes | 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... |
inheritance | 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 ... |
treatment | 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... |
information | What is (are) Ewing sarcoma ? | Ewing sarcoma is a cancerous tumor that occurs in bones or soft tissues, such as cartilage or nerves. There are several types of Ewing sarcoma, including Ewing sarcoma of bone, extraosseous Ewing sarcoma, peripheral primitive neuroectodermal tumor (pPNET), and Askin tumor. These tumors are considered to be related beca... |
frequency | How many people are affected by Ewing sarcoma ? | Approximately 3 per 1 million children each year are diagnosed with a Ewing sarcoma. It is estimated that, in the United States, 250 children are diagnosed with one of these types of tumor each year. Ewing sarcoma accounts for about 1.5 percent of all childhood cancers, and it is the second most common type of bone tum... |
genetic changes | What are the genetic changes related to Ewing sarcoma ? | The most common mutation that causes Ewing sarcoma involves two genes, the EWSR1 gene on chromosome 22 and the FLI1 gene on chromosome 11. A rearrangement (translocation) of genetic material between chromosomes 22 and 11, written as t(11;22), fuses part of the EWSR1 gene with part of the FLI1 gene, creating the EWSR1/F... |
inheritance | Is Ewing sarcoma inherited ? | This condition is generally not inherited but arises from a mutation in the body's cells that occurs after conception. This alteration is called a somatic mutation. |
treatment | What are the treatments for Ewing sarcoma ? | These resources address the diagnosis or management of Ewing sarcoma: - Cancer.Net: Ewing Family of Tumors - Childhood: Diagnosis - Cancer.Net: Ewing Family of Tumors - Childhood: Treatment - Genetic Testing Registry: Ewing's sarcoma - MedlinePlus Encyclopedia: Ewing Sarcoma These resources from MedlinePlus offer... |
information | What is (are) otopalatodigital syndrome type 1 ? | Otopalatodigital syndrome type 1 is a disorder primarily involving abnormalities in skeletal development. It is a member of a group of related conditions called otopalatodigital spectrum disorders, which also includes otopalatodigital syndrome type 2, frontometaphyseal dysplasia, and Melnick-Needles syndrome. In genera... |
frequency | How many people are affected by otopalatodigital syndrome type 1 ? | Otopalatodigital syndrome type 1 is a rare disorder, affecting fewer than 1 in every 100,000 individuals. Its specific incidence is unknown. |
genetic changes | What are the genetic changes related to otopalatodigital syndrome type 1 ? | Mutations in the FLNA gene cause otopalatodigital syndrome type 1. The FLNA gene provides instructions for producing the protein filamin A, which helps build the network of protein filaments (cytoskeleton) that gives structure to cells and allows them to change shape and move. Filamin A binds to another protein called... |
inheritance | Is otopalatodigital syndrome type 1 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. In male... |
treatment | What are the treatments for otopalatodigital syndrome type 1 ? | These resources address the diagnosis or management of otopalatodigital syndrome type 1: - Gene Review: Gene Review: Otopalatodigital Spectrum Disorders - Genetic Testing Registry: Oto-palato-digital syndrome, type I These resources from MedlinePlus offer information about the diagnosis and management of various he... |
information | What is (are) autoimmune Addison disease ? | Autoimmune Addison disease affects the function of the adrenal glands, which are small hormone-producing glands located on top of each kidney. It is classified as an autoimmune disorder because it results from a malfunctioning immune system that attacks the adrenal glands. As a result, the production of several hormone... |
frequency | How many people are affected by autoimmune Addison disease ? | Addison disease affects approximately 11 to 14 in 100,000 people of European descent. The autoimmune form of the disorder is the most common form in developed countries, accounting for up to 90 percent of cases. |
genetic changes | What are the genetic changes related to autoimmune Addison disease ? | The cause of autoimmune Addison disease is complex and not completely understood. A combination of environmental and genetic factors plays a role in the disorder, and changes in multiple genes are thought to affect the risk of developing the condition. The genes that have been associated with autoimmune Addison diseas... |
inheritance | Is autoimmune Addison disease inherited ? | A predisposition to develop autoimmune Addison disease is passed through generations in families, but the inheritance pattern is unknown. |
treatment | What are the treatments for autoimmune Addison disease ? | These resources address the diagnosis or management of autoimmune Addison disease: - Genetic Testing Registry: Addison's disease - MedlinePlus Encyclopedia: Addison's Disease These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Dr... |
information | What is (are) Gorlin syndrome ? | Gorlin syndrome, also known as nevoid basal cell carcinoma syndrome, is a condition that affects many areas of the body and increases the risk of developing various cancerous and noncancerous tumors. In people with Gorlin syndrome, the type of cancer diagnosed most often is basal cell carcinoma, which is the most comm... |
frequency | How many people are affected by Gorlin syndrome ? | Gorlin syndrome affects an estimated 1 in 31,000 people. While more than 1 million new cases of basal cell carcinoma are diagnosed each year in the United States, fewer than 1 percent of these skin cancers are related to Gorlin syndrome. |
genetic changes | What are the genetic changes related to Gorlin syndrome ? | Mutations in the PTCH1 gene cause Gorlin syndrome. This gene provides instructions for making a protein called patched-1, which functions as a receptor. Receptor proteins have specific sites into which certain other proteins, called ligands, fit like keys into locks. Together, ligands and their receptors trigger signal... |
inheritance | Is Gorlin syndrome inherited ? | Gorlin syndrome is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the condition. In most cases, an affected person inherits the mutation from one affected parent. Other cases result from new mutations in the PTCH1 gene and occur in people with no... |
treatment | What are the treatments for Gorlin syndrome ? | These resources address the diagnosis or management of Gorlin syndrome: - Gene Review: Gene Review: Nevoid Basal Cell Carcinoma Syndrome - Genetic Testing Registry: Gorlin syndrome - MedlinePlus Encyclopedia: Basal Cell Nevus Syndrome These resources from MedlinePlus offer information about the diagnosis and manag... |
information | What is (are) familial hemiplegic migraine ? | Familial hemiplegic migraine is a form of migraine headache that runs in families. Migraines usually cause intense, throbbing pain in one area of the head, often accompanied by nausea, vomiting, and extreme sensitivity to light and sound. These recurrent headaches typically begin in childhood or adolescence and can be ... |
frequency | How many people are affected by familial hemiplegic migraine ? | The worldwide prevalence of familial hemiplegic migraine is unknown. Studies suggest that in Denmark about 1 in 10,000 people have hemiplegic migraine and that the condition occurs equally in families with multiple affected individuals (familial hemiplegic migraine) and in individuals with no family history of the cond... |
genetic changes | What are the genetic changes related to familial hemiplegic migraine ? | Mutations in the CACNA1A, ATP1A2, SCN1A, and PRRT2 genes have been found to cause familial hemiplegic migraine. The first three genes provide instructions for making proteins that are involved in the transport of charged atoms (ions) across cell membranes. The movement of these ions is critical for normal signaling bet... |
inheritance | Is familial hemiplegic migraine 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 most cases, affected individuals have one affected parent. However, some people who inherit an altered gene never develop features of familial hemiplegic migraine. ... |
treatment | What are the treatments for familial hemiplegic migraine ? | These resources address the diagnosis or management of familial hemiplegic migraine: - Gene Review: Gene Review: Familial Hemiplegic Migraine - Genetic Testing Registry: Familial hemiplegic migraine - Genetic Testing Registry: Familial hemiplegic migraine type 1 - Genetic Testing Registry: Familial hemiplegic migra... |
information | What is (are) protein S deficiency ? | Protein S deficiency is a disorder of blood clotting. People with this condition have an increased risk of developing abnormal blood clots. Individuals with mild protein S deficiency are at risk of a type of clot called a deep vein thrombosis (DVT) that occurs in the deep veins of the arms or legs. If a DVT travels th... |
frequency | How many people are affected by protein S deficiency ? | Mild protein S deficiency is estimated to occur in approximately 1 in 500 individuals. Severe protein S deficiency is rare; however, its exact prevalence is unknown. |
genetic changes | What are the genetic changes related to protein S deficiency ? | Protein S deficiency is caused by mutations in the PROS1 gene. This gene provides instructions for making protein S, which is found in the bloodstream and is important for controlling blood clotting. Protein S helps block the activity of (inactivate) certain proteins that promote the formation of blood clots. Most mut... |
inheritance | Is protein S deficiency inherited ? | Protein S deficiency is inherited in an autosomal dominant pattern, which means one altered copy of the PROS1 gene in each cell is sufficient to cause mild protein S deficiency. Individuals who inherit two altered copies of this gene in each cell have severe protein S deficiency. |
treatment | What are the treatments for protein S deficiency ? | These resources address the diagnosis or management of protein S deficiency: - Genetic Testing Registry: Protein S deficiency - MedlinePlus Encyclopedia: Congenital Protein C or S Deficiency - MedlinePlus Encyclopedia: Necrosis - MedlinePlus Encyclopedia: Protein S - MedlinePlus Encyclopedia: Purpura These resou... |
information | What is (are) narcolepsy ? | Narcolepsy is a chronic sleep disorder that disrupts the normal sleep-wake cycle. Although this condition can appear at any age, it most often begins in adolescence. Narcolepsy is characterized by excessive daytime sleepiness. Affected individuals feel tired during the day, and several times a day they may experience ... |
frequency | How many people are affected by narcolepsy ? | Narcolepsy affects about 1 in 2,000 people in the United States and Western Europe. However, the disorder is likely underdiagnosed, particularly in people with mild symptoms. Worldwide, narcolepsy appears to be most common in Japan, where it affects an estimated 1 in 600 people. |
genetic changes | What are the genetic changes related to narcolepsy ? | Narcolepsy probably results from a combination of genetic and environmental factors, some of which have been identified, but many of which remain unknown. In most cases of narcolepsy with cataplexy, and in some cases without cataplexy, sleep abnormalities result from a loss of particular brain cells (neurons) in a par... |
inheritance | Is narcolepsy inherited ? | Most cases of narcolepsy are sporadic, which means they occur in people with no history of the disorder in their family. A small percentage of all cases have been reported to run in families; however, the condition does not have a clear pattern of inheritance. First-degree relatives (parents, siblings, and children) of... |
treatment | What are the treatments for narcolepsy ? | These resources address the diagnosis or management of narcolepsy: - Genetic Testing Registry: Narcolepsy 1 - Genetic Testing Registry: Narcolepsy 2, susceptibility to - Genetic Testing Registry: Narcolepsy 3 - Genetic Testing Registry: Narcolepsy 4, susceptibility to - Genetic Testing Registry: Narcolepsy 5, susc... |
information | What is (are) Troyer syndrome ? | Troyer syndrome is part of a group of genetic disorders known as hereditary spastic paraplegias. These disorders are characterized by progressive muscle stiffness (spasticity) and the development of paralysis of the lower limbs (paraplegia). Hereditary spastic paraplegias are divided into two types: pure and complex. T... |
frequency | How many people are affected by Troyer syndrome ? | About 20 cases of Troyer syndrome have been reported in the Old Order Amish population of Ohio. It has not been found outside this population. |
genetic changes | What are the genetic changes related to Troyer syndrome ? | Troyer syndrome is caused by a mutation in the SPG20 gene. The SPG20 gene provides instructions for producing a protein called spartin, whose function is not entirely understood. Researchers believe that spartin may be involved in a variety of cell functions, from breaking down proteins to transporting materials from t... |
inheritance | Is Troyer 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. |
treatment | What are the treatments for Troyer syndrome ? | These resources address the diagnosis or management of Troyer syndrome: - Gene Review: Gene Review: Hereditary Spastic Paraplegia Overview - Gene Review: Gene Review: Troyer Syndrome - Genetic Testing Registry: Troyer syndrome - Spastic Paraplegia Foundation, Inc.: Treatments and Therapies These resources from Me... |
information | What is (are) microcephalic osteodysplastic primordial dwarfism type II ? | Microcephalic osteodysplastic primordial dwarfism type II (MOPDII) is a condition characterized by short stature (dwarfism) with other skeletal abnormalities (osteodysplasia) and an unusually small head size (microcephaly). The growth problems in MOPDII are primordial, meaning they begin before birth, with affected ind... |
frequency | How many people are affected by microcephalic osteodysplastic primordial dwarfism type II ? | MOPDII appears to be a rare condition, although its prevalence is unknown. |
genetic changes | What are the genetic changes related to microcephalic osteodysplastic primordial dwarfism type II ? | Mutations in the PCNT gene cause MOPDII. The PCNT gene provides instructions for making a protein called pericentrin. Within cells, this protein is located in structures called centrosomes. Centrosomes play a role in cell division and the assembly of microtubules. Microtubules are fibers that help cells maintain their ... |
inheritance | Is microcephalic osteodysplastic primordial dwarfism type II 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. |
treatment | What are the treatments for microcephalic osteodysplastic primordial dwarfism type II ? | These resources address the diagnosis or management of MOPDII: - Genetic Testing Registry: Microcephalic osteodysplastic primordial dwarfism type 2 These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Re... |
information | What is (are) genitopatellar syndrome ? | Genitopatellar syndrome is a rare condition characterized by genital abnormalities, missing or underdeveloped kneecaps (patellae), intellectual disability, and abnormalities affecting other parts of the body. The genital abnormalities in affected males typically include undescended testes (cryptorchidism) and underdev... |
frequency | How many people are affected by genitopatellar syndrome ? | Genitopatellar syndrome is estimated to occur in fewer than 1 per million people. At least 18 cases have been reported in the medical literature. |
genetic changes | What are the genetic changes related to genitopatellar syndrome ? | Genitopatellar syndrome is caused by mutations in the KAT6B gene. This gene provides instructions for making a type of enzyme called a histone acetyltransferase. These enzymes modify histones, which are structural proteins that attach (bind) to DNA and give chromosomes their shape. By adding a small molecule called an ... |
inheritance | Is genitopatellar syndrome inherited ? | This condition has an autosomal dominant inheritance 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 have occurred in people with no history of the disorder in their family. |
treatment | What are the treatments for genitopatellar syndrome ? | These resources address the diagnosis or management of genitopatellar syndrome: - Gene Review: Gene Review: KAT6B-Related Disorders - Genetic Testing Registry: Genitopatellar syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Te... |
information | What is (are) amyotrophic lateral sclerosis ? | Amyotrophic lateral sclerosis (ALS) is a progressive disease that affects motor neurons, which are specialized nerve cells that control muscle movement. These nerve cells are found in the spinal cord and the brain. In ALS, motor neurons die (atrophy) over time, leading to muscle weakness, a loss of muscle mass, and an ... |
frequency | How many people are affected by amyotrophic lateral sclerosis ? | About 5,000 people in the United States are diagnosed with ALS each year. Worldwide, this disorder occurs in 2 to 5 per 100,000 individuals. Only a small percentage of cases have a known genetic cause. Among the Chamorro people of Guam and people from the Kii Peninsula of Japan, ALS-PDC can be 100 times more frequent ... |
genetic changes | What are the genetic changes related to amyotrophic lateral sclerosis ? | Mutations in several genes can cause familial ALS and contribute to the development of sporadic ALS. Mutations in the C9orf72 gene account for 30 to 40 percent of familial ALS in the United States and Europe. Worldwide, SOD1 gene mutations cause 15 to 20 percent of familial ALS, and TARDBP and FUS gene mutations each a... |
inheritance | Is amyotrophic lateral sclerosis inherited ? | About 90 to 95 percent of ALS cases are sporadic, which means they are not inherited. An estimated 5 to 10 percent of ALS is familial and caused by mutations in one of several genes. The pattern of inheritance varies depending on the gene involved. Most cases are inherited in an autosomal dominant pattern, which means... |
treatment | What are the treatments for amyotrophic lateral sclerosis ? | These resources address the diagnosis or management of amyotrophic lateral sclerosis: - Gene Review: Gene Review: ALS2-Related Disorders - Gene Review: Gene Review: Amyotrophic Lateral Sclerosis Overview - Gene Review: Gene Review: C9orf72-Related Amyotrophic Lateral Sclerosis and Frontotemporal Dementia - Gene Rev... |
information | What is (are) giant congenital melanocytic nevus ? | Giant congenital melanocytic nevus is a skin condition characterized by an abnormally dark, noncancerous skin patch (nevus) that is composed of pigment-producing cells called melanocytes. It is present from birth (congenital) or is noticeable soon after birth. The nevus may be small in infants, but it will usually grow... |
frequency | How many people are affected by giant congenital melanocytic nevus ? | Giant congenital melanocytic nevus occurs in approximately 1 in 20,000 newborns worldwide. |
genetic changes | What are the genetic changes related to giant congenital melanocytic nevus ? | NRAS gene mutations cause most cases of giant congenital melanocytic nevus. Rarely, mutations in the BRAF gene are responsible for this condition. The proteins produced from these genes are involved in a process known as signal transduction by which signals are relayed from outside the cell to the cell's nucleus. Sign... |
inheritance | Is giant congenital melanocytic nevus inherited ? | This condition is generally not inherited but arises from a mutation in the body's cells that occurs after conception. This alteration is called a somatic mutation. A somatic mutation in one copy of the NRAS or BRAF gene is sufficient to cause this disorder. |
treatment | What are the treatments for giant congenital melanocytic nevus ? | These resources address the diagnosis or management of giant congenital melanocytic nevus: - Cleveland Clinic: The Facts About Melanoma - Genetic Testing Registry: Giant pigmented hairy nevus - MedlinePlus Encyclopedia: Giant Congenital Nevus - Nevus Outreach: Treatment Options - Primary Care Dermatology Society ... |
information | What is (are) cartilage-hair hypoplasia ? | Cartilage-hair hypoplasia is a disorder of bone growth characterized by short stature (dwarfism) with other skeletal abnormalities; fine, sparse hair (hypotrichosis); and abnormal immune system function (immune deficiency) that can lead to recurrent infections. People with cartilage-hair hypoplasia have unusually shor... |
frequency | How many people are affected by cartilage-hair hypoplasia ? | Cartilage-hair hypoplasia occurs most often in the Old Order Amish population, where it affects about 1 in 1,300 newborns. In people of Finnish descent, its incidence is approximately 1 in 20,000. Outside of these populations, the condition is rare, and its specific incidence is not known. It has been reported in indiv... |
genetic changes | What are the genetic changes related to cartilage-hair hypoplasia ? | Cartilage-hair hypoplasia is caused by mutations in the RMRP gene. Unlike many genes, the RMRP gene does not contain instructions for making a protein. Instead, a molecule called a noncoding RNA, a chemical cousin of DNA, is produced from the RMRP gene. This RNA attaches (binds) to several proteins, forming an enzyme c... |
inheritance | Is cartilage-hair hypoplasia 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. |
treatment | What are the treatments for cartilage-hair hypoplasia ? | These resources address the diagnosis or management of cartilage-hair hypoplasia: - Gene Review: Gene Review: Cartilage-Hair Hypoplasia - Anauxetic Dysplasia Spectrum Disorders - Genetic Testing Registry: Metaphyseal chondrodysplasia, McKusick type These resources from MedlinePlus offer information about the diagno... |
information | What is (are) Buschke-Ollendorff syndrome ? | Buschke-Ollendorff syndrome is a hereditary disorder of connective tissues, which are tissues that provide strength and flexibility to structures throughout the body. Specifically, the condition is characterized by skin growths called connective tissue nevi and a bone abnormality known as osteopoikilosis. Connective t... |
frequency | How many people are affected by Buschke-Ollendorff syndrome ? | Buschke-Ollendorff syndrome has an estimated incidence of 1 in 20,000 people worldwide. |
genetic changes | What are the genetic changes related to Buschke-Ollendorff syndrome ? | Buschke-Ollendorff syndrome results from mutations in the LEMD3 gene. This gene provides instructions for making a protein that helps control signaling through two chemical pathways known as the bone morphogenic protein (BMP) and transforming growth factor-beta (TGF-) pathways. These signaling pathways regulate various... |
inheritance | Is Buschke-Ollendorff 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. In many cases, an affected person has a parent and other family members with the condition. While most people with Buschke-Ollendorff syndrome have both connective tis... |
treatment | What are the treatments for Buschke-Ollendorff syndrome ? | These resources address the diagnosis or management of Buschke-Ollendorff syndrome: - Genetic Testing Registry: Dermatofibrosis lenticularis disseminata These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery a... |
information | What is (are) granulomatosis with polyangiitis ? | Granulomatosis with polyangiitis (GPA) is a condition that causes inflammation that primarily affects the respiratory tract (including the lungs and airways) and the kidneys. This disorder is also commonly known as Wegener granulomatosis. A characteristic feature of GPA is inflammation of blood vessels (vasculitis), pa... |
frequency | How many people are affected by granulomatosis with polyangiitis ? | GPA is a rare disorder that affects an estimated 3 in 100,000 people in the United States. |
genetic changes | What are the genetic changes related to granulomatosis with polyangiitis ? | The genetic basis of GPA is not well understood. Having a particular version of the HLA-DPB1 gene is the strongest genetic risk factor for developing this condition, although several other genes, some of which have not been identified, may be involved. It is likely that a combination of genetic and environmental factor... |
inheritance | Is granulomatosis with polyangiitis inherited ? | The inheritance pattern of GPA is unknown. Most instances are sporadic and occur in individuals with no history of the disorder in their family. Only rarely is more than one member of the same family affected by the disorder. |
treatment | What are the treatments for granulomatosis with polyangiitis ? | These resources address the diagnosis or management of granulomatosis with polyangiitis: - Genetic Testing Registry: Wegener's granulomatosis - Johns Hopkins Vasculitis Center: How is Wegener's Granulomatosis Diagnosed? - MedlinePlus Encyclopedia: Wegener's Granulomatosis - Merck Manual Home Health Edition These ... |
information | What is (are) SLC4A1-associated distal renal tubular acidosis ? | SLC4A1-associated distal renal tubular acidosis is a kidney (renal) disorder that sometimes includes blood cell abnormalities. The kidneys normally filter fluid and waste products from the body and remove them in urine; however, in people with distal renal tubular acidosis, the kidneys are unable to remove enough acid ... |
frequency | How many people are affected by SLC4A1-associated distal renal tubular acidosis ? | The prevalence of SLC4A1-associated distal renal tubular acidosis is unknown. The condition is most common in Southeast Asia, especially Thailand. |
genetic changes | What are the genetic changes related to SLC4A1-associated distal renal tubular acidosis ? | Both the autosomal dominant and autosomal recessive forms of SLC4A1-associated distal renal tubular acidosis are caused by mutations in the SLC4A1 gene. This gene provides instructions for making the anion exchanger 1 (AE1) protein, which transports negatively charged atoms (anions) across cell membranes. Specifically,... |
inheritance | Is SLC4A1-associated distal renal tubular acidosis inherited ? | SLC4A1-associated distal renal tubular acidosis can have different patterns of inheritance. It is usually inherited in an autosomal dominant pattern, which means one copy of the altered SLC4A1 gene in each cell is sufficient to cause the disorder. In most cases, an affected person inherits the mutation from one affecte... |
treatment | What are the treatments for SLC4A1-associated distal renal tubular acidosis ? | These resources address the diagnosis or management of SLC4A1-associated distal renal tubular acidosis: - Genetic Testing Registry: Renal tubular acidosis, distal, autosomal dominant - Genetic Testing Registry: Renal tubular acidosis, distal, with hemolytic anemia These resources from MedlinePlus offer information ... |
information | What is (are) infantile-onset spinocerebellar ataxia ? | Infantile-onset spinocerebellar ataxia (IOSCA) is a progressive disorder that affects the nervous system. Babies with IOSCA develop normally during the first year of life. During early childhood, however, they begin experiencing difficulty coordinating movements (ataxia); very weak muscle tone (hypotonia); involuntary ... |
frequency | How many people are affected by infantile-onset spinocerebellar ataxia ? | More than 20 individuals with IOSCA have been identified in Finland. A few individuals with similar symptoms have been reported elsewhere in Europe. |
genetic changes | What are the genetic changes related to infantile-onset spinocerebellar ataxia ? | Mutations in the C10orf2 gene cause IOSCA. The C10orf2 gene provides instructions for making two very similar proteins called Twinkle and Twinky. These proteins are found in the mitochondria, which are structures within cells that convert the energy from food into a form that cells can use. Mitochondria each contain a... |
inheritance | Is infantile-onset spinocerebellar ataxia 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. |
treatment | What are the treatments for infantile-onset spinocerebellar ataxia ? | These resources address the diagnosis or management of IOSCA: - Gene Review: Gene Review: Infantile-Onset Spinocerebellar Ataxia - Genetic Testing Registry: Mitochondrial DNA depletion syndrome 7 (hepatocerebral type) These resources from MedlinePlus offer information about the diagnosis and management of various h... |
information | What is (are) androgenetic alopecia ? | Androgenetic alopecia is a common form of hair loss in both men and women. In men, this condition is also known as male-pattern baldness. Hair is lost in a well-defined pattern, beginning above both temples. Over time, the hairline recedes to form a characteristic "M" shape. Hair also thins at the crown (near the top o... |
frequency | How many people are affected by androgenetic alopecia ? | Androgenetic alopecia is a frequent cause of hair loss in both men and women. This form of hair loss affects an estimated 50 million men and 30 million women in the United States. Androgenetic alopecia can start as early as a person's teens and risk increases with age; more than 50 percent of men over age 50 have some ... |
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