EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity

Immunosuppression is a characteristic feature of chronic leishmaniasis. The dynamicity and the functional cross talks of host immune responses during Leishmania infection are still not clearly understood. Here we explored the functional aspects of accumulation of immune suppressive cellular and cyto...

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Main Authors: Mohammad Asad, Abdus Sabur, Mohammad Shadab, Sonali Das, Mohd. Kamran, Nicky Didwania, Nahid Ali
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-04-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fimmu.2019.00616/full
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author Mohammad Asad
Abdus Sabur
Mohammad Shadab
Sonali Das
Mohd. Kamran
Nicky Didwania
Nahid Ali
author_facet Mohammad Asad
Abdus Sabur
Mohammad Shadab
Sonali Das
Mohd. Kamran
Nicky Didwania
Nahid Ali
author_sort Mohammad Asad
collection DOAJ
description Immunosuppression is a characteristic feature of chronic leishmaniasis. The dynamicity and the functional cross talks of host immune responses during Leishmania infection are still not clearly understood. Here we explored the functional aspects of accumulation of immune suppressive cellular and cytokine milieu during the progression of murine visceral leishmaniasis. In addition to IL-10 and TGF-β, investigation on the responses of different subunit chains of IL-12 family revealed a progressive elevation of EBI-3 and p35 chains of IL-35 with Leishmania donovani infection in BALB/c mice. The expansion of CD25 and FoxP3 positive T cells is associated with loss of IFN-γ and TNF-α response in advanced disease. Ex-vivo and in vivo neutralization of TGF-β and EBI-3 suggests a synergism in suppression of host anti-leishmanial immunity. The down-regulation of EBI-3 and TGF-β is crucial for re-activation of JAK-STAT pathway for induction as well as restoration of protective immunity against L. donovani infection.
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spelling doaj.art-afe80a629bd548e482802948cf0ff4a32022-12-21T19:11:10ZengFrontiers Media S.A.Frontiers in Immunology1664-32242019-04-011010.3389/fimmu.2019.00616415931EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial ImmunityMohammad AsadAbdus SaburMohammad ShadabSonali DasMohd. KamranNicky DidwaniaNahid AliImmunosuppression is a characteristic feature of chronic leishmaniasis. The dynamicity and the functional cross talks of host immune responses during Leishmania infection are still not clearly understood. Here we explored the functional aspects of accumulation of immune suppressive cellular and cytokine milieu during the progression of murine visceral leishmaniasis. In addition to IL-10 and TGF-β, investigation on the responses of different subunit chains of IL-12 family revealed a progressive elevation of EBI-3 and p35 chains of IL-35 with Leishmania donovani infection in BALB/c mice. The expansion of CD25 and FoxP3 positive T cells is associated with loss of IFN-γ and TNF-α response in advanced disease. Ex-vivo and in vivo neutralization of TGF-β and EBI-3 suggests a synergism in suppression of host anti-leishmanial immunity. The down-regulation of EBI-3 and TGF-β is crucial for re-activation of JAK-STAT pathway for induction as well as restoration of protective immunity against L. donovani infection.https://www.frontiersin.org/article/10.3389/fimmu.2019.00616/fullregulatory T cellsLeishmaniaimmune responseinterleukin-35transforming growth factor betaimmune suppression
spellingShingle Mohammad Asad
Abdus Sabur
Mohammad Shadab
Sonali Das
Mohd. Kamran
Nicky Didwania
Nahid Ali
EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity
Frontiers in Immunology
regulatory T cells
Leishmania
immune response
interleukin-35
transforming growth factor beta
immune suppression
title EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity
title_full EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity
title_fullStr EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity
title_full_unstemmed EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity
title_short EBI-3 Chain of IL-35 Along With TGF-β Synergistically Regulate Anti-leishmanial Immunity
title_sort ebi 3 chain of il 35 along with tgf β synergistically regulate anti leishmanial immunity
topic regulatory T cells
Leishmania
immune response
interleukin-35
transforming growth factor beta
immune suppression
url https://www.frontiersin.org/article/10.3389/fimmu.2019.00616/full
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