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British Journal of Medicine and Medical Research, ISSN: 2231-0614,Vol.: 13, Issue.: 10

Original-research-article

Erythropoietin Improves Effects of Mesenchymal Stem Cells in Experimental Endotoxemia

 

Alexander V. Averyanov1, Anatoly G. Konoplyannikov2, Fedor G. Zabozlaev1, Anastasia V. Sorokina1, Mikhail A. Konoplyannikov1*, Vladimir P. Baklaushev1 and  Robert I. Khabazov1

1Federal Research Clinical Center of FMBA of Russia, 28 Orekhovy Blvd, 115682, Moscow, Russia.

2Tsyb Medical Radiological Research Center, 10 Zhukov Street, 249036, Obninsk, Kaluga Region, Russia.

Article Information

Editor(s):

(1) Tibor Fulop, Division of Nephrology, University of Mississippi Medical Center, Jackson, USA.

Reviewers:

(1) Mona Samir Hashem Mahmoud, National Research Centre, Egypt.

(2) Mingxin Li, Fudan University, Shanghai, China.

(3) Hazem Mohammed Ebraheem Shaheen, Damanhour University, Egypt.

Complete Peer review History: http://sciencedomain.org/review-history/13279

Abstracts

Aims: Sepsis is a leading cause of mortality in intensive care units. Development of new strategies such as the therapy with mesenchymal stem cells (MSC) appears beneficial for the treatment of sepsis. In this study we evaluated anti-septic effects of rat MSCs and recombinant erythropoietin (EPO) in a rat experimental model of endotoxemia.

Study Design: Controlled in vitro and in vivo studies.

Place and Duration of Study: Federal Research Clinical Center of FMBA of Russia, Moscow, Russia, between June 2014 and May 2015.

Methodology: Endotoxemia was induced by intraperitoneal administration of bacterial lipopolysacharide (LPS). The animals were then treated either with allogeneic MSCs alone, with recombinant EPO alone, or with a combination of EPO and MCS. After 3 days , the animals were euthanized, and a pathology study of their liver, spleen, thymus, lung, and kidney was performed. The serum levels of IL-1β, IL-6, and TNF-α were quantified. A histochemical analysis of splenic and thymic expression of CD3, CD57, p53, and Bcl-2 was performed.

Results: Essential positive effects of the combined MSC-EPO treatment were observed: 1) The animals treated with MSCs and EPO had the lowest serum concentrations of IL-1β in respect to that of the rats treated with LPS alone (58 ± 22 pg/mL vs. 155±90 pg/mL, P = .01); 2) The treatment of endotoxemic rats with a combination of MSCs and EPO also caused production of the anti-apoptotic factor Bcl-2, while its expression was markedly down-regulated in the other groups of animals; 3) In the MSC + EPO group, the degree of interstitial pulmonary edema was the lowest as compared to the other groups, and a minimal renal injury was detected .

Conclusion: These findings suggest that EPO generally improves anti-inflammatory and anti-apoptotic effects of MSCs injected in the acute phase of experimental endotoxemia.

Keywords :

Sepsis; erythropoietin; mesenchymal stem cells; stem cell therapy; rat experimental endotoxemia; systemic inflammation.

Full Article - PDF    Page 1-13

DOI : 10.9734/BJMMR/2016/23761

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