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Cholesterol Corrects Altered Conformation of MHC-II Protein in Leishmania donovani Infected Macrophages: Implication in Therapy

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Title Cholesterol Corrects Altered Conformation of MHC-II Protein in Leishmania donovani Infected Macrophages: Implication in
Therapy
 
Creator Roy, Koushik
Mandloi, Sapan
Chakrabarti, Saikat
Roy, Syamal
 
Subject Infectious Diseases and Immunology
Structural Biology & Bioinformatics
 
Description Previously we reported that Kala-azar patients show progressive decrease in serum cholesterol as a function of splenic parasite burden. Splenic macrophages (MΦ) of Leishmania donovani (LD) infected mice show decrease in membrane cholesterol, while LD infected macrophages (I-MΦ) show defective T cell stimulating ability that could be corrected by liposomal delivery of cholesterol. T helper cells recognize peptide antigen in the context of
class II MHC molecule. It is known that the conformation of a large number of membrane proteins is dependent on membrane cholesterol. In this investigation we tried to understand the influence of decreased membrane cholesterol in I-MΦ on the conformation of MHC-II protein and peptide-MHC-II stability, and its bearing on the antigen specific T-cell activation
 
Date 2016-05-23
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://www.eprints.iicb.res.in/2534/1/PLOS_Neglected_Tropical_Diseases.pdf
Roy, Koushik and Mandloi, Sapan and Chakrabarti, Saikat and Roy, Syamal (2016) Cholesterol Corrects Altered Conformation of MHC-II Protein in Leishmania donovani Infected Macrophages: Implication in Therapy. PLOS Neglected Tropical Diseases, 10 (5).
 
Relation http://dx.doi.org/10.1371/journal.pntd.0004710
http://www.eprints.iicb.res.in/2534/