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Acyl-CoA dehydrogenase, short chain, deficiency of : ウィキペディア英語版 | Short-chain acyl-coenzyme A dehydrogenase deficiency
Short-chain acyl-coenzyme A dehydrogenase deficiency (SCADD), also called ACADS deficiency and SCAD deficiency, is an autosomal recessive fatty acid oxidation disorder which affects enzymes required to break down a certain group of fats called short chain fatty acids. ==Characteristics== Some affected infants will exhibit vomiting, low blood sugar (hypoglycemia), a lack of energy (lethargy), poor feeding, and failure to gain weight and grow at the expected rate (failure to thrive). Other features of this disorder may include poor muscle tone (hypotonia), seizures, developmental delays, and a small head size (microcephaly). The symptoms of short-chain acyl-CoA dehydrogenase deficiency may be triggered by periods of fasting or during illnesses such as viral infections. In some cases, signs and symptoms may not appear until adulthood, when some individuals may develop muscle weakness and wasting. Other people with gene mutations that can cause this disorder may have such mild symptoms that they are never diagnosed. Many biochemical geneticists consider this to be a biochemical phenotype with a very mild clinical phenotype or no clinical phenotype.
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