The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer

Breast cancer, ranking first among women’s cancers worldwide, develops from the breast tissue. Study of the breast tissue is, therefore of great significance to the diagnosis and treatment of breast cancer. Exosomes, acting as an effective communicator between cells, are in the ascendant i...

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Main Authors: Qingqing Liu, Fu Peng, Jianping Chen
Format: Article
Language:English
Published: MDPI AG 2019-08-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/20/16/3884
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author Qingqing Liu
Fu Peng
Jianping Chen
author_facet Qingqing Liu
Fu Peng
Jianping Chen
author_sort Qingqing Liu
collection DOAJ
description Breast cancer, ranking first among women’s cancers worldwide, develops from the breast tissue. Study of the breast tissue is, therefore of great significance to the diagnosis and treatment of breast cancer. Exosomes, acting as an effective communicator between cells, are in the ascendant in recent years. One of the most important cargoes contained in the exosomes is microRNAs, belonging to the non-coding RNA family. When the exosomal microRNAs are absorbed into the intracellular location, most of the microRNAs will act as tumor promoters or suppressors by inhibiting the translation process of the target mRNA, thus affecting the behavior of other stromal cells in the tumor microenvironment. At present, growing research focuses on the different types of donor cell sources, their contribution to cancer, miRNA profiling, their biomarker potential, etc. This review aims to state the function of diverse miRNAs in exosomes medicated cell−cell communication and the potency of some specific enriched miRNAs as molecular markers in clinical trials. We also describe the mechanism of anti-cancer compounds through exosomes and the exploration of artificially engineered techniques that lead miRNA-inhibitors into exosomes for therapeutic use.
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spelling doaj.art-7d9c14081b0c49478256210df8b95e612022-12-22T03:05:26ZengMDPI AGInternational Journal of Molecular Sciences1422-00672019-08-012016388410.3390/ijms20163884ijms20163884The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast CancerQingqing Liu0Fu Peng1Jianping Chen2School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam 999077, Hong Kong, ChinaSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam 999077, Hong Kong, ChinaSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam 999077, Hong Kong, ChinaBreast cancer, ranking first among women’s cancers worldwide, develops from the breast tissue. Study of the breast tissue is, therefore of great significance to the diagnosis and treatment of breast cancer. Exosomes, acting as an effective communicator between cells, are in the ascendant in recent years. One of the most important cargoes contained in the exosomes is microRNAs, belonging to the non-coding RNA family. When the exosomal microRNAs are absorbed into the intracellular location, most of the microRNAs will act as tumor promoters or suppressors by inhibiting the translation process of the target mRNA, thus affecting the behavior of other stromal cells in the tumor microenvironment. At present, growing research focuses on the different types of donor cell sources, their contribution to cancer, miRNA profiling, their biomarker potential, etc. This review aims to state the function of diverse miRNAs in exosomes medicated cell−cell communication and the potency of some specific enriched miRNAs as molecular markers in clinical trials. We also describe the mechanism of anti-cancer compounds through exosomes and the exploration of artificially engineered techniques that lead miRNA-inhibitors into exosomes for therapeutic use.https://www.mdpi.com/1422-0067/20/16/3884breast cancertumor microenvironmentexosomesmicroRNAbiomarker
spellingShingle Qingqing Liu
Fu Peng
Jianping Chen
The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer
International Journal of Molecular Sciences
breast cancer
tumor microenvironment
exosomes
microRNA
biomarker
title The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer
title_full The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer
title_fullStr The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer
title_full_unstemmed The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer
title_short The Role of Exosomal MicroRNAs in the Tumor Microenvironment of Breast Cancer
title_sort role of exosomal micrornas in the tumor microenvironment of breast cancer
topic breast cancer
tumor microenvironment
exosomes
microRNA
biomarker
url https://www.mdpi.com/1422-0067/20/16/3884
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