Journal
EUROPEAN JOURNAL OF CANCER
Volume 144, Issue -, Pages 252-268Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ejca.2020.11.033
Keywords
Breast cancer; Exosomes; Biomarker; miRNA; LncRNA
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Funding
- Council of Scientific and Industrial Research (CSIR), Govt. of India [NaPAHACSC0130]
- Indian council of Medical Research (ICMR), Govt. of India [3/1/3/JRF-2015/HRD-LS/28/20072/110]
- Kerala State Council for Science, Technology and Environment (KSCSTE), Govt. of Kerala [02/YIPB/KBC/2014/KSCSTE]
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Exosomes and their RNA have potential roles in breast cancer biology and treatment, participating in breast cancer tumorigenesis and progression through the transfer of miRNAs and LncRNAs. The diagnostic and therapeutic applications of exosomal miRNAs/LncRNAs in breast cancer have been highlighted in numerous publications.
Improved treatment of breast cancer, the world's second most common cancer, requires identification of new sensitive prognostic and diagnostic biomarkers. Exosomes are lipid-bilayer extracellular vesicles of size 30-150 nm, released by all cell types, including breast cancer cells. Cellular communication is the primary function attributed to them. This review discusses the potential utility of exosomes and exosomal RNAs (microRNAs [miRNAs]/long non-coding RNAs [LncRNAs]) in breast cancer biology and treatment. The existing literature shows that exosomes play a significant role in breast tumorigenesis and progression through transfer miRNAs and LncRNAs. These miRNAs and LncRNAs function by posttranscriptionally regulating their target mRNAs, eventually leading to modulation of expression/repression. Over the past two decades, numerous publications point towards diagnostic and therapeutic applications of exosomal miRNAs/LncRNAs. Until now, we do not have clinically approved exosome-based therapeutics. Therefore, it is high time that clinicians and cancer researchers utilise exosome's benefits through randomised clinical trials for better management of breast cancer. (C) 2020 Elsevier Ltd. All rights reserved.
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