ALDH2 and Cardiovascular Disease

Advances in Experimental Medicine and Biology
Che-Hong ChenDaria Mochly-Rosen

Abstract

Aldehyde dehydrogenase 2 (ALDH2) is a non-cytochrome P450 mitochondrial aldehyde oxidizing enzyme. It is best known for its role in the metabolism of acetaldehyde, a common metabolite from alcohol drinking. More evidences have been accumulated in recent years to indicate a greater role of ALDH2 in the metabolism of other endogenous and exogenous aldehydes, especially lipid peroxidation-derived reactive aldehyde under oxidative stress. Many cardiovascular diseases are associated with oxidative stress and mitochondria dysfunction. Considering that an estimated 560 million East Asians carry a common ALDH2 deficient variant which causes the well-known alcohol flushing syndrome due to acetaldehyde accumulation, the importance of understanding the role of ALDH2 in these diseases should be highlighted. There are several unfavorable cardiovascular conditions that are associated with ALDH2 deficiency. This chapter reviews the function of ALDH2 in various pathological conditions of the heart in relation to aldehyde toxicity. It also highlights the importance and clinical implications of interaction between ALDH2 deficiency and alcohol drinking on cardiovascular disease among the East Asians.

Citations

Apr 17, 2020·Journal of Computational Biology : a Journal of Computational Molecular Cell Biology·Shusen ZhangZhigang Cai
Mar 30, 2021·Frontiers in Endocrinology·Sravya JannapureddyRavichandran Ramasamy
Apr 16, 2021·Research in Veterinary Science·Zamira GibbDiego Bucci
Jun 1, 2021·Frontiers in Molecular Biosciences·Kim ShortallTewfik Soulimane

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