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Blue diaper syndrome is a rare, autosomal recessive metabolic disorder characterized in infants by bluish urine-stained diapers. It is caused by a defect in tryptophan absorption. Bacterial degradation of tryptophan in the intestine leads to excessive indole production and thus to indicanuria which, on oxidation to indigo blue, causes a peculiar bluish discoloration of the diaper. Symptoms typically include digestive disturbances, fever and visual problems. It was characterized in 1964. ==Genetics== Blue diaper syndrome is thought to be inherited as an autosomal recessive disorder. Recent research indicates that mutations in the ''LAT2'' and ''TAT1'' genes might be involved in causing this syndrome 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Blue diaper syndrome」の詳細全文を読む スポンサード リンク
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