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논문 기본 정보

자료유형
학술저널
저자정보
Zhang Wentao (Tongji University) Zheng Zongtai (Guangdong Second Provincial General Hospital) Wang Keyi (Tongji University) Mao Weipu (Tongji University) Li Xue (Beijing Chao-Yang Hospital) Wang Guangchun (Tongji University) Zhang Yuanyuan (Wake Forest University) Huang Jianhua (Tongji University) Zhang Ning (Harvard Medical School) Wu Pengfei (Tongji University) Liu Ji (Tongji University) Zhang Haimin (Tongji University) Che Jianping (Tongji University) Peng Bo (Tongji University) Zheng Junhua (Shanghai Jiao Tong University) Li Wei (Harvard Medical School) Yao Xudong (Tongji University)
저널정보
대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제55권
발행연도
2023.6
수록면
1,258 - 1,271 (14page)
DOI
10.1038/s12276-023-01010-3

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Accumulating studies have confirmed that PIWI-interacting RNAs (piRNAs) are considered epigenetic effectors in cancer. We performed piRNA microarray expression analysis on renal cell carcinoma (RCC) tumor tissues and paired normal tissues and performed a series of in vivo and in vitro experiments to explore piRNAs associated with RCC progression and investigate their functional mechanisms. We found that piR-1742 was highly expressed in RCC tumors and that patients with high piR-1742 expression had a poor prognosis. Inhibition of piR-1742 significantly reduced tumor growth in RCC xenograft and organoid models. Mechanistically, piRNA-1742 regulates the stability of USP8 mRNA by binding directly to hnRNPU, which acts as a deubiquitinating enzyme that inhibits the ubiquitination of MUC12 and promotes the development of malignant RCC. Subsequently, nanotherapeutic systems loaded with piRNA-1742 inhibitors were found to effectively inhibit the metastasis and growth of RCC in vivo. Therefore, this study highlights the functional importance of piRNA-related ubiquitination in RCC and demonstrates the development of a related nanotherapeutic system, possibly contributing to the development of therapeutic approaches for RCC.

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