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Farber disease (also known as Farber's lipogranulomatosis, acid ceramidase deficiency, "Lipogranulomatosis", [2] and ASAH1-related disorders) is an extremely rare, progressive, autosomal recessive lysosomal storage disease caused by a deficiency of the acid ceramidase enzyme.
Mutations in this gene have been associated with a lysosomal storage disorder known as Farber disease and, recently, with a rare neurodegenerative condition known as spinal muscular atrophy with progressive myoclonic epilepsy. [8] Two transcript variants encoding distinct isoforms have been identified for this gene. [7]
Lipid storage diseases can be inherited two ways: Autosomal recessive inheritance occurs when both parents carry and pass on a copy of the faulty gene, but neither parent show signs and symptoms of the condition and is not affected by the disorder. Each child born to these parents have a 25 percent chance of inheriting both copies of the ...
Fabry disease; Familial alpha-lipoprotein deficiency; Familial amyloid polyneuropathy; Familial Amyloidosis, Finnish Type; Familial combined hyperlipidemia; Familial defective apolipoprotein B-100; Familial dysbetalipoproteinemia; Familial hypertriglyceridemia; Farber disease; Fibrocytic dysmucopolysaccharidosis; Fucosidosis
Enzyme replacement therapy is available to treat mainly Fabry disease and Gaucher disease, and people with these types of sphingolipidoses may live well into adulthood. The other types are generally fatal by age 1 to 5 years for infantile forms, but progression may be mild for juvenile- or adult-onset forms.
Infants may present with feeding difficulties with frequent vomiting, diarrhea, swelling of the abdomen, and failure to gain weight or sometimes weight loss. [2]As the disease progresses in infants, increasing fat accumulation in the liver leads to other complications including yellowing of the skin and whites of the eyes (), and a persistent low-grade fever.
Multiple sulfatase deficiency (MSD), also known as Austin disease, [1] or mucosulfatidosis, [1] is a very rare autosomal recessive [2] lysosomal storage disease [3] caused by a deficiency in multiple sulfatase enzymes, or in formylglycine-generating enzyme, which activates sulfatases. [4]: 502 [5] It is similar to mucopolysaccharidosis. [6]
The classic characterization of the group of neurodegenerative, lysosomal storage disorders called the neuronal ceroid lipofuscinoses (NCLs) is through the progressive, permanent loss of motor and psychological ability with a severe intracellular accumulation of lipofuscins, [2] [3] with the United States and Northern European populations having slightly higher frequency with an occurrence of ...