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Review
. 2023 May;101(5):527-542.
doi: 10.1007/s00109-023-02311-w. Epub 2023 Apr 5.

Copper chaperone antioxidant 1: multiple roles and a potential therapeutic target

Dian Yang  1 , Pengyu Xiao  1 , Botao Qiu  1 , Hai-Fan Yu  2 , Chun-Bo Teng  3
Affiliations
Review

Copper chaperone antioxidant 1: multiple roles and a potential therapeutic target

Dian Yang et al. J Mol Med (Berl). 2023 May.

Abstract

Copper (Cu) was recently demonstrated to play a critical role in cellular physiological and biochemical processes, including energy production and maintenance, antioxidation and enzymatic activity, and signal transduction. Antioxidant 1 (ATOX1), a chaperone of Cu previously named human ATX1 homologue (HAH1), has been found to play an indispensable role in maintaining cellular Cu homeostasis, antioxidative stress, and transcriptional regulation. In the past decade, it has also been found to be involved in a variety of diseases, including numerous neurodegenerative diseases, cancers, and metabolic diseases. Recently, increasing evidence has revealed that ATOX1 is involved in the regulation of cell migration, proliferation, autophagy, DNA damage repair (DDR), and death, as well as in organism development and reproduction. This review summarizes recent advances in the research on the diverse physiological and cytological functions of ATOX1 and the underlying mechanisms of its action in human health and diseases. The potential of ATOX1 as a therapeutic target is also discussed. This review aims to pose unanswered questions related to ATOX1 biology and explore the potential use of ATOX1 as a therapeutic target.

Keywords: ATOX1; Antioxidative stress; Cell activities; Cu homeostasis; Therapeutic target; Transcription regulation.

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