Cathepsin H: Molecular characteristics and clues to function and mechanism.

Cathepsin H (CatH) is a lysosomal cysteine protease with a unique aminopeptidase activity that is extensively expressed in the lung, pancreas, thymus, kidney, liver, skin, and brain. Owing to its specific enzymatic activity, CatH has critical effects on the regulation of biological behaviours of cancer cells and pathological processes in brain diseases. Moreover, a neutral pH level is optimal for CatH activity, so it is expected to be active in the extra-lysosomal and extracellular space. In the present review, we describe the expression, maturation, and enzymatic properties of CatH, and summarize the available experimental evidence that mechanistically links CatH to various physiological and pathological processes. Finally, we discuss the challenges and potentials of CatH inhibitors in CatH-induced disease therapy. Copyright © 2023 Elsevier Inc. All rights reserved.

Citation

Yanfeng Wang, Juan Zhao, Yebo Gu, Haiping Wang, Muzhou Jiang, Shuxuan Zhao, Hong Qing, Junjun Ni. Cathepsin H: Molecular characteristics and clues to function and mechanism. Biochemical pharmacology. 2023 Jun;212:115585

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PMID: 37148981

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