Piezo1 regulates colon stem cells to maintain epithelial homeostasis through SCD1-Wnt-β-catenin and programming fatty acid metabolism.

IF 7.5 1区生物学 Q1 CELL BIOLOGY Cell reports Pub Date : 2025-03-12 DOI:10.1016/j.celrep.2025.115400

Feifei Fang, Gangping Li, Xueyan Li, Jiandi Wu, Ying Liu, Haoren Xin, Zhe Wang, Jianhua Fang, Yudong Jiang, Wei Qian, Xiaohua Hou, Jun Song

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Abstract

Piezo1, which maintains the integrity and function of the intestinal epithelial barrier, is essential for colonic epithelial homeostasis. However, whether and how Piezo1 regulates colon stem cell fate remains unclear. Here, we show that Piezo1 inhibition promotes colon stem cell proliferation. Mechanistically, stearoyl-CoA 9-desaturase 1 (SCD1) is downstream of Piezo1 to affect colon stem cell stemness by acting on the Wnt-β-catenin pathway. For mice, the altered colon stem cell stemness after Piezo1 knockdown and activation was accompanied by a reprogrammed fatty acid (FA) metabolism in colon crypts. Notably, we found that GsMTX4 protects injured colon stem cell stemness in mouse and human colitis organoids. Our results elucidated the role of Piezo1 in regulating normal and postinjury colon stem cell fates through SCD1-Wnt-β-catenin and the SCD1-mediated FA desaturation process. These results provide fresh perspectives on the mechanical factors regulating colon stem cell fate and therapeutic strategies for related intestinal diseases.

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来源期刊

Cell reports CELL BIOLOGY-

CiteScore

13.80

自引率

1.10%

发文量

1305

审稿时长

77 days

期刊介绍： Cell Reports publishes high-quality research across the life sciences and focuses on new biological insight as its primary criterion for publication. The journal offers three primary article types: Reports, which are shorter single-point articles, research articles, which are longer and provide deeper mechanistic insights, and resources, which highlight significant technical advances or major informational datasets that contribute to biological advances. Reviews covering recent literature in emerging and active fields are also accepted. The Cell Reports Portfolio includes gold open-access journals that cover life, medical, and physical sciences, and its mission is to make cutting-edge research and methodologies available to a wide readership. The journal's professional in-house editors work closely with authors, reviewers, and the scientific advisory board, which consists of current and future leaders in their respective fields. The advisory board guides the scope, content, and quality of the journal, but editorial decisions are independently made by the in-house scientific editors of Cell Reports.