Journal of Capital Medical University ›› 2017, Vol. 38 ›› Issue (4): 526-529.doi: 10.3969/j.issn.1006-7795.2017.04.008

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Current research studies of the relationship between miR-181a and breast cancers

Gu Muqing1, Yang Chun2, Wang Lijuan3, Pierre Hardy2, Jia Chanwei1, Ruan Xiangyan3   

  1. 1. Department of Reproduction, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China;
    2. Department of Pharmacology, Research Center of CHU-saint-Justine Hospital, University of Montreal H3T 1C8, Montreal, Canada;
    3. Department of Gynecological Endocrinology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
  • Received:2017-06-05 Online:2017-07-21 Published:2017-07-20
  • Supported by:
    This study was supported by National Natural Science Foundation of China(81671411), Natural Science Foundation of Beijing (7162062);Foreign Technical and Administrative Talent Introduction Project in 2017;State Administration of Foreign Experts Affairs, the P. R. of china(20171100004); Beijing Nova Program Interdisciplinary Studies Cooperative Projects (Z161100004916045); Clinical Technique Innovation Project of Beijing Municipal Administration of Hospitalist (2014-2-016)

Abstract: MicroRNAs (miRNAs) are highly conserved non-coding single stranded RNAs. miRNAs participate in fundamental biological processes and pathophysiological processes by silencing their target mRNAs expression through binding to their 3' untranslated regions (3'-UTRs). Emerging studies have shown that alterations of miR-181a levels are involved in the initiation, progression and metastasis of human cancers. Some studies have indicated that miR-181a serves as tumor suppressors, and others have revealed the oncogenic roles of miR-181a. A growing number of evidence has linked the pathological role of miR-181a to breast cancer. Here, we specifically summarize the various published data of the links between miR-181a and breast cancers, and to explain the potential clinical application of miR-181a. miR-181a may be used as a clinically diagnostic biomarkers of breast cancer for early stage diagnosis, for evaluation of the chemotherapy sensitivity, and for directing the clinical treatment in patients.

Key words: breast cancer, miR-181a, biomarkers, diagnosis, chemotherapy

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