Journal
BIOSCIENCE REPORTS
Volume 41, Issue 9, Pages -Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BSR20210565
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Funding
- Korea Health Technology R&D Project through the Korea Health Industry Development Institute - Ministry of Health and Welfare, Republic of Korea [HI17C0321]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2018R1D1A1B07049780, 2018R1A6A1A03025108, 2018R1D1A1B07049578, 2021R1A2C2009782]
- National Research Foundation of Korea [2021R1A2C2009782, 2018R1D1A1B07049780, 2018R1D1A1B07049578] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The study indicates that lncRNA SRA plays an important regulatory role in ovarian cancer, with high expression being closely associated with recurrence-free survival in patients.
Long non-coding RNA (lncRNA) is a newly identified regulator of tumor formation and tumor progression. The function and expression of IncRNAs 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.
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