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General Review Article

Activating Protein-1 (AP-1): A Promising Target for the Treatment of Fibrotic Diseases

[ Vol. 31 , Issue. 7 ]


Zixin Pi, Xiangning Qiu, Jiani Liu, Yaqian Shi, Zhuotong Zeng* and Rong Xiao*   Pages 904 - 918 ( 15 )


The fibrosis of tissues and organs occurs via an aberrant tissue remodeling process characterized by an excessive deposition of extracellular matrix, which can lead to organ dysfunction, organ failure, and death. Because the pathogenesis of fibrosis remains unclear and elusive, there is currently no medication to reverse it; hence, this process deserves further study. Activating protein-1 (AP-1)-comprising Jun (c-Jun, JunB, JunD), Fos (c-fos, FosB, Fra1, and Fra2), and activating transcription factor-is a versatile dimeric transcription factor. Numerous studies have demonstrated that AP-1 plays a crucial role in advancing tissue and organ fibrosis via induction of the expression of fibrotic molecules and activating fibroblasts. This review focuses on the role of AP-1 in a range of fibrotic disorders as well as on the antifibrotic effects of AP-1 inhibitors. It also discusses the potential of AP-1 as a new therapeutic target in conditions involving tissue and organ fibrosis.


Activating protein-1 (AP-1), fibrosis, cell signaling, extracellular matrix, activating protein-1 inhibitors, cytokine.


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