Volume 22, Issue 4 (Sep-Oct 2014)                   JSSU 2014, 22(4): 1341-1349 | Back to browse issues page

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Hamounnavard S, Delirezh N, Afzal Ahangaran N. Survival of Peripheral Blood Neutrophil Following Treatment with Soluble Factors from Rat Mesenchymal Stem Cells. JSSU. 2014; 22 (4) :1341-1349
URL: http://jssu.ssu.ac.ir/article-1-2651-en.html
Abstract:   (6331 Views)
Introduction: Mesenchymal stem cells have immunomodulatory properties and own extensive potentials to proliferate and differentiate into different cell lineages. Thus, this study was conducted to investigate the effect of supernatant of rat MSCs on the neutrophils viability. Methods: MSCs was isolated from femoral and tibial bone marrow of rat (6-8 weeks) and was cultured in DMEM. After maturation of MSCs, its supernatant was incubated with neutrophils isolated from peripheral blood of rat at 37 ° C for 1 h. Neutrophil survival was measured at 6 and 24 h incubation with supernatant of MSCs by flow cytometric analysis using An/PI. Data were analyzed by one-way ANOVA followed by Tukey test (P˂0.05). Results: 6-hour incubation of neutrophils with supernatant of MSCs significantly increased the healthy cells percentage and significantly decreased the amount of necrosis (P˂0.05), but no significant decrease was observed in regard with apoptosis compared to the controls (P˃0.05). The 24-hour incubation of neutrophils with cell supernatant significantly increased the percentage of healthy cells and apoptosis was significantly reduced compared to the control group (P˂0.05). Moreover, a reduction in cell necrosis was not significant in the treated groups compared to the control (P˃0.05). Conclusions: In addition to the clinical importance of MSCs, their biological aspects are of great potential for cell therapy, such as self-renewal, proliferation and immune modulatory effects.
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Type of Study: Original article | Subject: Immunology
Received: 2013/12/18 | Accepted: 2014/10/7 | Published: 2014/10/7

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