The healing effect of bone marrow-derived stem cells in acute radiation syndrome. | [Pakistan Journal of Medical Research • 2016]

Author(s):

1. Seyed Mohammad Javad Mortazavi: Shiraz University of Medical Sciences, Shiraz, Iran

2. Fatemeh Shekoohi-Shooli: Radiology and Radiotherapy Department, Shahid Beheshti University of Medical Science, Tehran, Iran

3. Seyed Mahmood Reza Aghamir: Radiology and Radiotherapy Department, Shahid Beheshti University of Medical Science, Tehran, Iran

4. Davood Mehrabani: Shiraz University of Medical Sciences, Shiraz, Iran

5. Amirreza Dehghanian: Department of Pathology, Trauma Research Center, Shahid Rajayee Hospital, School of Medicine, Iran

6. Shahrokh Zare: Stem Cell and Transgenic Technology Research Center, Mohammad Amin Mosleh-Shirazi, Ionizing and Non-ionizing Radiation Protection Research Center, Iran

7. Mohammad Amin Mosleh-Shirazi: Shiraz University of Medical Sciences, Shiraz, Iran

Abstract:

Objectives: To determine the effect of bone marrow-derived mesenchymal stem cells (BMSCs) on regeneration of bone marrow and intestinal tissue and survival rate in experimental mice with acute radiation syndrome (ARS). Methods: Forty mice were randomly divided into two equal groups of A receiving no BMSC transplantation and B receiving BMSCs. BMSCs were isolated from the bone marrow and cultured in DMEM media. Both groups were irradiated with 10 Gy (dose rate 0.28 Gy/ min) 60CO during 35 minutes with a field size of 35×35 for all the body area. Twenty-four hours after γ irradiation, 150×103 cells of passage 5 in 150 µl medium were injected intravenously into the tail. Animals were euthanized one and two weeks after cell transplantation. They were evaluated histologically for any changes in bone marrow and intestinal tissues. The survival rate in mice were also determined. Results: A significant increase for bone marrow cell count and survival rate were observed in group B in comparison to group A. Histological findings denoted to a healing in sample tissues. Conclusion: BMSCs could significantly reduce the side effects of ARS and increase the survival rate and healing in injured tissue. As such their transplantation may open a window in treatment of patients with ARS.

Page(s): 646-651

DOI: DOI not available

Published: Journal: Pakistan Journal of Medical Research, Volume: 55, Issue: 3, Year: 2016

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