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Comparing MSC-derived conditioned media and MSC-derived exosomes on M2-Macrophages differentiation in PBMCs

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Year: 2018
COI code: CIGS15_631
Paper Language: English

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Authors Comparing MSC-derived conditioned media and MSC-derived exosomes on M2-Macrophages differentiation in PBMCs

  Bahareh Mohebbi - Department of Genetics, Tehran Medical Branch, Islamic Azad University, Tehran, Iran.Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of
  Kaveh Baghaei - Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  Ali Asadirad - Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  Seyed Mahmoud Hashemi - Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  Hamid Asadzadeh - Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
  Mohammadreza Zali - Gastroenterology and Liver Diseases Research center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Abstract:

Background: Mesenchymal stem cells (MSCs) are well-known due to their immunomodulatory effects that could be mediated by paracrine factors and exosomes which are the major players in intercellular communications. In present study, we investigated the effect of MSC-conditioned media (MSC-CM) and MSC-derived exosomes on the expression of pro- and anti-inflammatory genes and IL-10 cytokine level in macrophages of Peripheral Blood Mononuclear Cells (PBMCs).Methods: Bone marrow-derived MSCs were verified by the osteoblastic and adipocytic differentiation and flow-cytometric analysis. MSC-exosomes were characterized by their size, concentration, and morphology. Afterwards, co-culture of isolated monocytes with MSC-CM and MSC-exosomes, and substantially characterization of macrophage population by flow-cytometry was performed. Gene expression of pro- and anti-inflammatory markers (IL-6, IL-12b, Arg-1, EGR-2, iNOS, and IL-10) in culture was evaluated by Real-time PCR. Moreover, IL-10 serum level was assessed by ELISA technique.Results: Regarding observed decrease in pro-inflammatory genes expression and elevated expression of anti-inflammatory ones, MSC-CM was more effective in phenotype shifting of monocytes to M2-macrophages. However IL-10 cytokine secretion level was higher in exosomes treated co-culture.Conclusion: Despite recent advances in cell-free therapies and applying immune-regulatory abilities of MSCs in clinic, little is known about the efficacy of MSC-CM comparing to MSC-exosomes. We showed that MSC-CM was more efficient in differentiating monocytes toward M2-macrophages and rendering them anti-inflammatory functionalities.

Keywords:

Mesenchymal Stem Cells, Conditioned media, Exosomes, Macrophages

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COI code: CIGS15_631

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Mohebbi, Bahareh; Kaveh Baghaei; Ali Asadirad; Seyed Mahmoud Hashemi; Hamid Asadzadeh & Mohammadreza Zali, 2018, Comparing MSC-derived conditioned media and MSC-derived exosomes on M2-Macrophages differentiation in PBMCs, The Third International and 15th National Genetics Congress, تهران, انجمن علمي ژنتيك ايران, https://www.civilica.com/Paper-CIGS15-CIGS15_631.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Mohebbi, Bahareh; Kaveh Baghaei; Ali Asadirad; Seyed Mahmoud Hashemi; Hamid Asadzadeh & Mohammadreza Zali, 2018)
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Type: Azad University
Paper No.: 534
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