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Tumor-Derived Exosomal Micrornas and Proteins As Modulators of Macrophage Function Publisher Pubmed



Moradichaleshtori M1 ; Hashemi SM2, 3 ; Soudi S4 ; Bandehpour M1, 5 ; Mohammadiyeganeh S1, 5
Authors
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Authors Affiliations
  1. 1. Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  2. 2. Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  3. 3. Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  4. 4. Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
  5. 5. Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Journal of Cellular Physiology Published:2019


Abstract

Tumor cells are able to modify their surrounding microenvironment by transmitting bioactive molecules via exosomes. In exosomes, proteins and nucleic acids that can be taken up by surrounding cells have been identified and modulate their functions. Tumor microenvironment consists of different cells such as macrophages. Tumors-associated macrophages (TAMs) express M2 phenotype and affect many processes including tumor initiation, angiogenesis, and metastasis. It has been demonstrated that a high number of TAMs is associated with poor prognosis of cancers. The contents of tumor-derived exosomes such as microRNAs and proteins induce macrophages to M2-like polarization to support tumor growth. Herein, we review the most recent studies on the effect of tumor-derived exosomes on macrophage polarization and function in different types of cancers. © 2018 Wiley Periodicals, Inc.
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