Repeated intravenous injection of adipose tissue derived mesenchymal stem cells enhances Th1 immune responses in Leishmania major-infected BALB/c mice.
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| Abstract |
Mesenchymal stem cell (MSCs) therapy are among new strategies that are used to combat infections through immunomodulation. Cell number, route and frequency of injection and the duration of exposure to the infectious agent are of the main factors to determine the effectiveness of cell therapy. The current study was aimed to assess the effect of multiple intravenous (i.v.) injection of adipose tissue derived (AD)-MSCs on immune response of Leishmania (L.) major-infected BALB/c mice. Therefore, infected mice received AD-MSCs four times during the early phase of infection through i.v. route. They were then monitored weekly for footpad swelling and lesion development. Parasite burden, nitric oxide (NO) and cytokine production were measured in the spleen and lymph node 90 days post-infection. Delayed lesion development, significant reduction in footpad swelling and lower parasite burden in the spleen of AD-MSCs-treated mice showed the relative effect of AD-MSCs therapy in the control of L. major dissemination. In addition, MSCs were able to manage direct cytokine responses toward T-helper 1 (Th1). Although the level of interleukin (IL)-10 was still higher than the associated level of tumor necrosis factor (TNF)-α, a shift towards higher level of TNF-α was also observed.
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| Authors | Elham Zanganeh, Sara Soudi, Ahmad Zavaran Hosseini, Arezou Khosrojerdi |
| Journal | Immunology letters (Immunol Lett) Vol. 216 Pg. 97-105 (12 2019) ISSN: 1879-0542 [Electronic] Netherlands |
| PMID | 31622634 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
| Copyright | Copyright © 2019 European Federation of Immunological Societies. Published by Elsevier B.V. All rights reserved. |
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