The feedback loop between miR-222-3p and ZEB1 harnesses metastasis in renal cell carcinoma.

IF 6.1 2区生物学 Q1 CELL BIOLOGY Cell Death Discovery Pub Date : 2025-03-12 DOI:10.1038/s41420-025-02385-0

Fan Wang, Liao Li, Xiangfu Sun, Xianfu Cai, Jianjun Wang, Huiwen Luo, Yaodong Wang, Dong Ni, Decai Wang

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Abstract

Renal cell carcinoma (RCC) is an aggressive malignancy originating from the renal parenchyma, often leading to high mortality due to local invasion and distant metastasis. MicroRNAs (miRNAs) play essential roles in RCC progression. Through miRNA sequencing, we identified significant upregulation of miR-222-3p in metastatic RCC tissues. Exosomes from highly metastatic RCC cells were found to transfer miR-222-3p to low-metastatic cells, enhancing their migration and invasion. Mechanistically, miR-222-3p directly targets the 3' untranslated region (3'UTR) of the tumor-suppressor TRPS1, reducing its expression. TRPS1 downregulation releases its inhibitory effect on ZEB1, a key regulator of epithelial-mesenchymal transition (EMT), thereby promoting EMT and metastatic traits. ZEB1 further transactivates miR-222-3p, establishing a positive feedback loop. Additionally, miR-222-3p promotes a pre-metastatic niche by inducing M2 macrophage polarization, facilitating distant metastasis. These findings highlight miR-222-3p as a critical driver of RCC metastasis and suggest its potential as a diagnostic marker and therapeutic target for RCC.

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来源期刊

Cell Death Discovery Biochemistry, Genetics and Molecular Biology-Cell Biology

CiteScore

8.30

自引率

1.40%

发文量

468

审稿时长

9 weeks

期刊介绍： Cell Death Discovery is a multidisciplinary, international, online-only, open access journal, dedicated to publishing research at the intersection of medicine with biochemistry, pharmacology, immunology, cell biology and cell death, provided it is scientifically sound. The unrestricted access to research findings in Cell Death Discovery will foster a dynamic and highly productive dialogue between basic scientists and clinicians, as well as researchers in industry with a focus on cancer, neurobiology and inflammation research. As an official journal of the Cell Death Differentiation Association (ADMC), Cell Death Discovery will build upon the success of Cell Death & Differentiation and Cell Death & Disease in publishing important peer-reviewed original research, timely reviews and editorial commentary. Cell Death Discovery is committed to increasing the reproducibility of research. To this end, in conjunction with its sister journals Cell Death & Differentiation and Cell Death & Disease, Cell Death Discovery provides a unique forum for scientists as well as clinicians and members of the pharmaceutical and biotechnical industry. It is committed to the rapid publication of high quality original papers that relate to these subjects, together with topical, usually solicited, reviews, editorial correspondence and occasional commentaries on controversial and scientifically informative issues.