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Mannose-binding Lectin (MBL) as a susceptible host factor influencing Indian Visceral Leishmaniasis.

Authors: Mishra, A  Antony, JS  Gai, P  Sundaravadivel, P  Van, TH  Jha, AN  Singh, L  Velavan, TP  Thangaraj, K 
Citation: Mishra A, etal., Parasitol Int. 2015 Dec;64(6):591-6. doi: 10.1016/j.parint.2015.08.003. Epub 2015 Aug 19.
Pubmed: (View Article at PubMed) PMID:26297290
DOI: Full-text: DOI:10.1016/j.parint.2015.08.003

Visceral Leishmaniasis (VL), caused by Leishmania donovani is endemic in the Indian sub-continent. Mannose-binding Lectin (MBL) is a complement lectin protein that binds to the surface of Leishmania promastigotes and results in activation of the complement lectin cascade. We utilized samples of 218 VL patients and 215 healthy controls from an Indian population. MBL2 functional variants were genotyped and the circulating MBL serum levels were measured. MBL serum levels were elevated in patients compared to the healthy controls (adjusted P=0.007). The MBL2 promoter variants -78C/T and +4P/Q were significantly associated with relative protection to VL (-78C/T, OR=0.7, 95% CI=0.5-0.96, adjusted P=0.026 and +4P/Q, OR=0.66, 95% CI=0.48-0.9, adjusted P=0.012). MBL2*LYQA haplotypes occurred frequently among controls (OR=0.69, 95% CI=0.5-0.97, adjusted P=0.034). MBL recognizes Leishmania and plays a relative role in establishing L. donovani infection and subsequent disease progression. In conclusion, MBL2 functional variants were associated with VL.

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CRRD Object Information
CRRD ID: 11522692
Created: 2016-08-03
Species: All species
Last Modified: 2016-08-03
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.