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LncRNA SRA 通过 NOTCH 信号通路和上皮间质转化促进卵巢癌细胞迁移、侵袭和进展。

LncRNA SRA mediates cell migration, invasion, and progression of ovarian cancer via NOTCH signaling and epithelial-mesenchymal transition.

机构信息

Laboratory of Pharmacoimmunology, Integrated Research Institute of Pharmaceutical Sciences and BK21 FOUR Team for Advanced Program for SmartPharma Leaders, College of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, South Korea.

Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, South Korea.

出版信息

Biosci Rep. 2021 Sep 30;41(9). doi: 10.1042/BSR20210565.

Abstract

Long non-coding RNA (lncRNA) is a newly identified regulator of tumor formation and tumor progression. The function and expression of lncRNAs remain to be fully elucidated, but recent studies have begun to address their importance in human health and disease. The lncRNA, SRA, known as steroid receptor activator, acts as an important modulator of gynecological cancer, and its expression may affect biological functions including proliferation, apoptosis, steroid formation, and muscle development. However, it is still not well known whether SRA is involved in the regulation of ovarian cancer. The present study investigated the molecular function and association between SRA expression and clinicopathological factors. In ovarian cancer cell lines, SRA knockdown and overexpression regulated cell migration, proliferation, and invasion. Both in vivo and in vitro experiments using knockdown and overexpression showed that SRA potently regulated epithelial-mesenchymal transition (EMT) and NOTCH pathway components. Further, clinical data confirmed that SRA was a significant predictor of overall survival (OS) and progression-free survival and patients with ovarian cancer exhibiting high expression of SRA exhibited higher recurrence rates than patients with low SRA expression. In conclusion, the present study indicates that SRA has clinical significance as its expression can predict the prognosis of ovarian cancer patients. High expression of the lncRNA SRA is strongly correlated with recurrence-free survival of ovarian cancer patients.

摘要

长链非编码 RNA(lncRNA)是一种新发现的肿瘤形成和肿瘤进展的调节因子。lncRNAs 的功能和表达仍有待充分阐明,但最近的研究已经开始探讨它们在人类健康和疾病中的重要性。lncRNA SRA 又称为甾体受体激活物,作为妇科癌症的重要调节剂,其表达可能影响包括增殖、凋亡、甾体形成和肌肉发育在内的生物学功能。然而,SRA 是否参与卵巢癌的调控仍知之甚少。本研究探讨了 SRA 表达与临床病理因素之间的分子功能和关联。在卵巢癌细胞系中,SRA 敲低和过表达调节细胞迁移、增殖和侵袭。使用敲低和过表达的体内和体外实验均表明,SRA 强烈调节上皮-间充质转化(EMT)和 NOTCH 通路成分。此外,临床数据证实 SRA 是总生存期(OS)和无进展生存期的显著预测因子,并且 SRA 高表达的卵巢癌患者比 SRA 低表达的患者具有更高的复发率。总之,本研究表明 SRA 具有临床意义,因为其表达可以预测卵巢癌患者的预后。lncRNA SRA 的高表达与卵巢癌患者的无复发生存率密切相关。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4b3a/8421593/b83a0aea83f9/bsr-41-bsr20210565-g1.jpg

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