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Triggering through NOD-2 Differentiates Bone Marrow Precursors to Dendritic Cells with Potent Bactericidal activity.

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Triggering through NOD-2 Differentiates Bone Marrow Precursors to Dendritic Cells with Potent Bactericidal activity.
 
Creator Khan, Nargis
Aqdas, Mohammad
Vidyarthi, Aurobind
Negi, Shikha
Pahari, Susanta
Agnihotri, Tapan
Agrewala, J N
 
Subject QR Microbiology
 
Description Dendritic cells (DCs) play a crucial role in bridging innate and adaptive immunity by activating naïve T cells. The role of pattern recognition receptors like Toll-Like Receptors and Nod-Like Receptors expressed on DCs is well-defined in the recognition of the pathogens. However, nothing is precisely studied regarding the impact of NOD-2 signaling during the differentiation of DCs. Consequently, we explored the role of NOD-2 signaling in the differentiation of DCs and therefore their capability to activate innate and adaptive immunity. Intriguingly, we observed that NOD-2 stimulated DCs (nDCs) acquired highly activated and matured phenotype and exhibited substantially greater bactericidal activity by robust production of nitric oxide. The mechanism involved in improving the functionality of nDCs was dependent on IFN-αβ signaling, leading to the activation of STAT pathways. Furthermore, we also observed that STAT-1 and STAT-4 dependent maturation and activation of DCs was under the feedback mechanism of SOCS-1 and SOCS-3 proteins. nDCs acquired enhanced potential to activate chiefly Th1 and Th17 immunity. Taken together, these results suggest that nDCs can be exploited as an immunotherapeutic agent in bolstering host immunity and imparting protection against the pathogens.
 
Publisher NPG
 
Date 2016
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://crdd.osdd.net/open/1881/1/41.pdf
Khan, Nargis and Aqdas, Mohammad and Vidyarthi, Aurobind and Negi, Shikha and Pahari, Susanta and Agnihotri, Tapan and Agrewala, J N (2016) Triggering through NOD-2 Differentiates Bone Marrow Precursors to Dendritic Cells with Potent Bactericidal activity. Scientific reports, 6. p. 27263. ISSN 2045-2322
 
Relation http://www.nature.com/articles/srep27263
http://crdd.osdd.net/open/1881/