THE RELATIONSHIP OF SEX STEROIDS TO URIC ACID LEVELS IN PLASMA AND URINE

Abstract
The effect of endogenous and exogenously administered estrogens, androgens and progesterone on plasma and urinary uric acid and uric acid clearance was studied in a total of 65 healthy volunteers, including normal menstruating and post-menopausal women, girls with primary amenorrhaea and adult male subjects. A serial study throughout a full cycle in 3 women showed an inverse relationship between plasma uric acid levels and endogenous estrogens. Administration of conjugated and synthetic estrogens decreased plasma uric acid concentration through a uricosuric effect in most subjects of both sexes. Testosterone propionate increased plasma uric acid levels in post-menopausal women, while endogenous testosterone changes due to Leydig cell stimulation produced no definite effect in male subjects. Administration of a progesterone preparation produced an effect similar to that of estrogens in post-menopausal women. The view that sex steroids play a significant part in uric acid regulation in biological fluids of both sexes was supported.

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