Metabolism of acetaldehyde in human and baboon renal cortex

Add time:07/24/2019    Source:sciencedirect.com

Acetaldehyde (1–20 mM) was metabolized at high rates and in a dose-dependent manner in isolated human and baboon kidney-cortex tubules. Acetaldehyde removal was accompanied by a large accumulation of acetate in both human and baboon tubules. By contrast, a large synthesis of ethanol was observed only in baboon tubules. Consistent with the latter finding, ethanol was found to be metabolized at significant rates in baboon but not human tubules. In the tubules from both species, a significant fraction of the acetaldehyde removed was also completely oxidized to CO2 and H2O. These results suggest that, in both man and baboon, the kidneys participate in the in vivo metabolism of acetaldehyde; they also suggest that, in contrast with the human kidneys, the baboon kidneys contribute to the detoxication of circulating ethanol.

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