期刊
CHINESE MEDICAL JOURNAL
卷 134, 期 10, 页码 1138-1145出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CM9.0000000000001429
关键词
Breast cancer; lncHSAT164; Single-nucleotide polymorphisms
资金
- National Natural Science Foundation of China [81320108016]
- Natural Science Foundation of Higher Education of Anhui Province of China [KJ2017A181]
This study identified a novel breast cancer-associated lncRNA and demonstrated that lncHSAT164 may contribute to breast cancer by regulating the cell cycle. These findings suggest a potential therapeutic target in breast cancer.
Background: Single-nucleotide polymorphisms (SNPs)-associated genes and long non-coding RNAs (lncRNAs) can contribute to human disease. To comprehensively investigate the contribution of lncRNAs to breast cancer, we performed the first genome-wide lncRNA association study on Han Chinese women. Methods: We designed an lncRNA array containing >800,000 SNPs, which was incorporated into a 96-array plate by Affymetrix (CapitalBio Technology, China). Subsequently, we performed a two-stage genome-wide lncRNA association study on Han Chinese women covering 11,942 individuals (5634 breast cancer patients and 6308 healthy controls). Additionally, in vitro gain or loss of function strategies were performed to clarify the function of a novel SNP-associated gene. Results: We identified a novel breast cancer-associated susceptibility SNP, rs11066150 (P-meta = 2.34 x 10(-8)), and a previously reported SNP, rs9397435 (P-meta = 4.32 x 10(-38)), in Han Chinese women. rs11066150 is located in NONHSAT164009.1 (lncHSAT164), which is highly expressed in breast cancer tissues and cell lines. lncHSAT164 overexpression promoted colony formation, whereas lncHSAT164 knockdown promoted cell apoptosis and reduced colony formation by regulating the cell cycle. Conclusions: Based on our lncRNA array, we identified a novel breast cancer-associated lncRNA and found that lncHSAT164 may contribute to breast cancer by regulating the cell cycle. These findings suggest a potential therapeutic target in breast cancer.
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