What causes combined underexcretion and overproduction of urate in hyperuricemia?

Updated: Nov 03, 2020
  • Author: James W Lohr, MD; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Combined mechanisms (underexcretion and overproduction) can also cause hyperuricemia. The most common cause under this group is alcohol consumption, [7] which results in accelerated hepatic breakdown of ATP and the generation of organic acids that compete with urate for tubular secretion. Enzymatic defects such as glycogenoses type I and aldolase-B deficiency are other causes of hyperuricemia that result from a combination of overproduction and underexcretion.

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