Journal of International Oncology ›› 2014, Vol. 41 ›› Issue (1): 37-40.doi: 10.3760/cma.j.issn.1673-422X.2014.01.012

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MicroRNAs and breast cancer

Zhang Tingting, Liu Yongjun, Liang Ailing   

  1. Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Dongguan, 523000, China
  • Online:2014-01-08 Published:2014-01-22
  • Contact: Liu Yongjun E-mail:lyj0236@163.com

Abstract: MicroRNAs (miRNAs) are a class of small molecule noncoding RNAs. Those RNAs are considered as oncogenes and tumor suppressor genes in breast cancer and can be a promoter or inhibitor in tumor invasion and metastasis cascade stages, and they are also closely related to the tumor epithelialmesenchymal transition and tumor stem cell generation. New researches show that miRNAs can serve as significant diagnostic and prognostic indicators to provide a theoretical basis for the biotherapy of targeting miRNAs which is applied to the clinical diagnosis and treatment of breast cancer.

Key words: MicroRNAs, Breast neoplasms, Neoplasm metastasis, Diagnosis, Molecular targeted therapy