Abstract
<p>Background: Mammals are exposed to various endogenous and exogenous aldehydes, and aldehyde dehydrogenases (ALDHs) function to metabolize these aldehydes to acids to counteract aldehyde over-load. ALDHs therefore play important roles in a series of physiological and pathophysiological process-es. ALDHs activators and inhibitors are not only important probes for exploring ALDHs functions, but promising for the treatment of toxic aldehyde-related diseases. </p> <p> Methods: This review comprehensively summarized the categories and characteristics of 19 human ALDHs, elaborated their related biological pathways, such as alcohol metabolism, retinoic acid (RA) production, neurotransmitter metabolism, etc. Especially, reported ALDHs activators and inhibitors were summarized by listing their target, inhibition form and clinical application. </p> <p> Results: On the one hand, summarization of the types and relative functions is useful for further re-search on aldehyde metabolic pathways and related diseases. On the other hand, review of existing acti-vators and inhibitors of ALDHs contributes to discovering new leading compounds and provide new insights. </p> <p> Conclusion: In consideration of the important role ALDH plays in toxic aldehyde-related diseases, ALDHs are promising targets for the treatment of toxic aldehyde-related diseases, and advocate more research efforts to explore their pathophysiology and to develop new regulators. </p>.
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