Webزالی یا آلبینیسم (به انگلیسی: Albinism)، نوعی بیماری ژنتیکی از نوع اتوزوم مغلوب است که به دلیل نقص همراه تولد یک آنزیم، تیروزین به ملانین تبدیل نمی‌شود و در پسران شایع‌تر است. عدم توان تولید رنگدانه ملانین سبب می‌شود که ... WebCystinuria is a condition that causes kidney stones. Men and women are affected equally. Most patients start getting symptoms in their twenties, although it can be earlier in …

Cystinuria The UK Kidney Association

WebDec 12, 2024 · Cystinuria is an autosomal-recessive defect in reabsorptive transport of cystine and the dibasic amino acids ornithine, arginine, and lysine from the luminal fluid of the renal proximal tubule and small intestine. The only phenotypic manifestation of cystinuria is cystine urolithiasis, which often recurs throughout an affected individual’s ... WebThe term homocystinuria describes an increased excretion of the thiol amino acid homocysteine in urine (and incidentally, also an increased concentration in … bluefish chowder

Cystinuria: definition, epidemiology and clinical aspects

WebCystinuria. Cystinuria is an inherited defect of the renal tubules in which reabsorption of cystine (the homodimer of the amino acid cysteine) is impaired, urinary excretion is increased, and cystine stones form in the urinary tract. Symptoms are colic caused by stones and perhaps urinary infection or the sequela of chronic kidney disease. WebCystinuria is an inherited autosomal recessive disease[1] characterized by high concentrations of the amino acid cystine in the urine, leading to the formation of cystine stones in the kidneys, ureters, and bladder. It is a type of aminoaciduria. "Cystine", not "cysteine," is implicated in this disease; the former is a dimer of the latter. Webcystinuria (sĭs′tə-no͝or′ē-ə) n. An inherited disorder characterized by an excess of cystine, lysine, arginine, and ornithine in the urine and often the formation of cystine calculi, caused by impaired reabsorption of these amino acids in the renal tubules. bluefish college