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Arts syndrome is a rare metabolic disorder that causes serious neurological problems in males due to a malfunction of the PRPP synthetase 1 enzyme. Arts Syndrome is part of a spectrum of PRPS-1 related disorders with reduced activity of the enzyme that includes Charcot–Marie–Tooth disease and X-linked non-syndromic sensorineural deafness.
Type II deficiency causes APRTase to have a reduced affinity for PRPP, resulting in a tenfold increase in the K M value. [6] It has been observed and studied primarily in Japan. [17] A diagnosis of APRTase deficiency can be made by analyzing kidney stones, measuring DHA concentrations in urine, or analyzing APRTase activity in erythrocytes.
Mutations in the gene lead to hyperuricemia.At least 67 disease-causing mutations in this gene have been discovered: [5] Some men have partial (up to 20% less activity of the enzyme) HGPRT deficiency that causes high levels of uric acid in the blood, which leads to the development of gouty arthritis and the formation of uric acid stones in the urinary tract.
The product of this reaction, phosphoribosyl pyrophosphate (PRPP), is used in numerous biosynthesis (de novo and salvage) pathways. PRPP provides the ribose sugar in de novo synthesis of purines and pyrimidines, used in the nucleotide bases that form RNA and DNA. PRPP reacts with orotate to form orotidylate, which can be converted to uridylate (UMP
Most, but not all, persons with this deficiency have severe mental and physical problems throughout life. Cases in females are very rare. [6] The symptoms caused by the buildup of uric acid (gout and kidney symptoms) respond well to treatment with medications such as allopurinol that reduce the levels of uric acid in the blood. The mental ...
Common symptoms of food poisoning include stomach aches and pain, nausea, fever, vomiting, diarrhea and headache. "Those most at risk for severe foodborne illness include children under 5 ...
Symptoms can include gout, anaemia, epilepsy, delayed development, deafness, compulsive self-biting, kidney failure or stones, or loss of immunity. Purine metabolism can have imbalances that can arise from harmful nucleotide triphosphates incorporating into DNA and RNA which further lead to genetic disturbances and mutations, and as a result ...
These treatments are personalized and highly expensive, but they're also highly effective. "Using stem cells from patients with heart failure caused by chemo, we are actively developing new drugs ...