Histidine triad nucleotide-binding protein 2: From basic science to clinical implications.

Histidine triad nucleotide-binding protein 2 (HINT2) is a dimeric protein that belongs to the histidine triad protein superfamily, predominantly expressed in the liver, pancreas, and adrenal gland, and localised to the mitochondrion. HINT2 binds nucleotides and catalyses the hydrolysis of nucleotidyl substrates. Moreover, HINT2 has been identified as a key regulator of multiple biological processes, including mitochondria-dependent apoptosis, mitochondrial protein acetylation, and steroidogenesis. Genetic manipulation has provided new insights into the physiological roles of HINT2 in several processes, such as inhibition of cancer progression, regulation of hepatic lipid metabolism, and protective effects on the cardiovascular system. The current review outlines the background and functions of HINT2. In addition, it summarises research progress on the correlation between HINT2 and human malignancies, hepatic metabolic diseases, and cardiovascular diseases, with an attempt to provide new research directions emerging in this field and to unveil the therapeutic value of HINT2 as a target in the combat of human diseases. Copyright © 2023. Published by Elsevier Inc.

Citation

Jiaqi Yao, Yifan Miao, Lv Zhu, Meihua Wan, Yun Lu, Wenfu Tang. Histidine triad nucleotide-binding protein 2: From basic science to clinical implications. Biochemical pharmacology. 2023 Jun;212:115527

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PMID: 37004779

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