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Carbon nanospheres mediated delivery of nuclear matrix protein SMAR1 to direct experimental autoimmune encephalomyelitis in mice

Authors Chemmannur S, Bhagat P, Mirlekar B, Paknikar K, Chattopadhyay S

Received 1 August 2015

Accepted for publication 14 January 2016

Published 12 May 2016 Volume 2016:11 Pages 2039—2051

DOI https://doi.org/10.2147/IJN.S93571

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Thomas Webster


Sijo V Chemmannur,1,* Prasad Bhagat,2,* Bhalchandra Mirlekar,1 Kishore M Paknikar,2 Samit Chattopadhyay1,3

1Disease and Chromatin Biology Laboratory, National Center for Cell Science, Pune University Campus, Pune, Maharashtra, India; 2Center for Nanobioscience, Agharkar Research Institute, Pune, Maharashtra, India; 3Indian Institute of Chemical Biology, Kolkata, India

*These authors have contributed equally to this work

Abstract: Owing to the suppression of immune responses and associated side effects, steroid based treatments for inflammatory encephalitis disease can be detrimental. Here, we demonstrate a novel carbon nanosphere (CNP) based treatment regime for encephalomyelitis in mice by exploiting the functional property of the nuclear matrix binding protein SMAR1. A truncated part of SMAR1 ie, the DNA binding domain was conjugated with hydrothermally synthesized CNPs. When administered intravenously, the conjugate suppressed experimental animal encephalomyelitis in T cell specific conditional SMAR1 knockout mice (SMAR-/-). Further, CNP-SMAR1 conjugate delayed the onset of the disease and reduced the demyelination significantly. There was a significant decrease in the production of IL-17 after re-stimulation with MOG. Altogether, our findings suggest a potential carbon nanomaterial based therapeutic intervention to combat Th17 mediated autoimmune diseases including experimental autoimmune encephalomyelitis.

Keywords: carbon nanospheres, EAE, IL-17, SMAR1, Th17

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