Circular RNA cVIM promotes hepatic stellate cell activation in liver fibrosis via miR-122-5p/miR-9-5p-mediated TGF-β signaling cascade

被引：12

作者：

Zhou, Zhenxu ^{[1
]}

Zhang, Rongrong ^{[2
]}

Li, Xinmiao ^{[2
]}

Zhang, Weizhi ^{[2
]}

Zhan, Yating ^{[2
]}

Lang, Zhichao ^{[2
]}

Tao, Qiqi ^{[2
]}

Yu, Jinglu ^{[2
]}

Yu, Suhui ^{[3
]}

Yu, Zhengping ^{[3
]}

Zheng, Jianjian ^{[4
]}

机构：

[1] Wenzhou Med Univ, Affiliated Hosp 1, Dept Hernia & Abdominal Wall Surg, Wenzhou 325000, Peoples R China

[2] Wenzhou Med Univ, Affiliated Hosp 1, Key Lab Diag & Treatment Severe Hepatopancreat Dis, Wenzhou 325000, Peoples R China

[3] Wenzhou Med Univ, Affiliated Hosp 1, Dept Hepatobiliary Surg, Wenzhou 325000, Peoples R China

[4] Wenzhou Med Univ, Affiliated Hosp 1, Key Lab Clin Lab Diag & Translat Res Zhejiang Prov, Wenzhou 325000, Peoples R China

来源：

COMMUNICATIONS BIOLOGY | 2024年 / 7卷 / 01期

关键词：

LONG NONCODING RNA; GENE-EXPRESSION; TRANSCRIPTION; GROWTH; SP1; FIBROGENESIS; MECHANISMS; APOPTOSIS; CULTURE; SMAD3;

D O I：

10.1038/s42003-024-05797-3

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Hepatic stellate cell (HSC) activation is considered as a central driver of liver fibrosis and effective suppression of HSC activation contributes to the treatment of liver fibrosis. Circular RNAs (circRNAs) have been reported to be important in tumor progression. However, the contributions of circRNAs in liver fibrosis remain largely unclear. The liver fibrosis-specific circRNA was explored by a circRNA microarray and cVIM (a circRNA derived from exons 4 to 8 of the vimentin gene mmu_circ_32994) was selected as the research object. Further studies revealed that cVIM, mainly expressed in the cytoplasm, may act as a sponge for miR-122-5p and miR-9-5p to enhance expression of type I TGF-beta receptor (TGFBR1) and TGFBR2 and promotes activation of the TGF-beta/Smad pathway, thereby accelerating the progression of liver fibrosis. Our results demonstrate a vital role for cVIM in promoting liver fibrosis progression and provide a fresh perspective on circRNAs in liver fibrosis. The circRNA cVIM may act as a sponge for miR-122-5p and miR-9-5p to enhance expression of TGFBR1 and TGFBR2 and promote activation of the TGF-beta/Smad pathway, thereby accelerating the progression of liver fibrosis.

引用

页数：13

共 53 条

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