4-Hydroxypyrazolo (3,4-d) pyrimidine as a substrate for xanthine oxidase: loss of conventional substrate activity with catalytic cycling of the enzyme.
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Allopurinol↗
Biomedical subjects
Publications and source records attributed to T Spector.
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The level of testosterone on 138 HLA typed healthy males and 71 male rheumatoid arthritis patients were analysed. HLA-B15 was associated with a lower mean serum testosterone level in males than any other tissue type. This was observed in both the normal and RA groups.