ArticleParasitology research2018
Leishmania donovani molecules recognized by sera of filaria infected host facilitate filarial infection.
Article in Parasitology research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 citing papers in PubMed, 7 citations in OpenAlex.
- Wuchereria bancrofti infection is associated with progression to clinical visceral leishmaniasis in VL- endemic areas in Muzaffarpur, Bihar, India.PLoS neglected tropical diseases · 2023Article
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- Infection against infection: parasite antagonism against parasites, viruses and bacteria.Infectious diseases of poverty · 2019Review
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Authors and funding
11 authors at 2 institutions in 1 country.
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Abstract
We earlier found that F6 fraction of human filaria Brugia malayi cross-reacted with sera of Leishmania donovani infected hamsters and immunization with F6 inhibited both filarial and leishmanial infections. In the present study, we identified a 52.9-93.6 kDa fraction (Ld1) of L. donovani that cross-reacted with sera of B. malayi infected animals and investigated effect of Ld1 on filarial infection. Immunization of BALB/c mice with Ld1 facilitated B. malayi infection with remarkable increase in parasite burden. Facilitation of filarial infection was associated with downregulated cell proliferation, IL-5, IL-13, IFN-γ, TNF-α, and IL-2 levels and upregulated IL-4 and TGF-β. Ld1 exposure also suppressed MHC class-I, MHC class-II, and FcεR1 expression, and phagocytosis in naive mouse macrophages, and CD4+, CD8+, and CD19+ cell population in mouse spleen. Two-dimensional electrophoresis and matrix-assisted laser desorption ionization-time of flight-mass spectrometry revealed eight proteins in Ld1: putative heat shock protein (HSP) 70-related protein 1, HSP70 mitochondrial precursor, alanine aminotransferase, 2,3-bisphosphoglycerate-independent phosphoglycerate mutase, protein disulfide isomerase, putative ATPase beta subunit, trypanothione reductase, and a hypothetical protein. HSP70 protein mitochondrial precursor and trypanothione reductase showed homology with Trypanosoma cruzi and L. donovani, respectively, and the rest 6 proteins including hypothetical protein bear homology with L. infantum. In conclusion, the present study for the first time shows that immunization with filarial cross-reactive Ld1 fraction of L. donovani facilitates filarial infection by modulating Th1 and Th2 responses. Ld1 molecules may therefore facilitate filarial infection in filaria-leishmania co-infection.
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