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LmjMAPK10 offers protection against Leishmania donovani infection
Sunil Kumar1, Shubhranshu Zutshi1, Ashok Patidar1
1National Centre for Cell Science, Pune, India.
Aims:
This study aimed at evaluating the DNA vaccination efficacy of Leishmania major-derived MAPK10 against Leishmania donovani infection.
Methods And Results:
MAPK10 is one of the 15 mitogen-activated protein kinases (MAPKs) of Leishmania major. Herein, we expressed the gene through a mammalian vector and tested whether priming with this gene would offer protection against L donovani infection. We report that LmjMAPK10 DNA vaccination using a mammalian expression vector significantly reduces the parasite burden. The protection is accompanied by host-protective T-cell functions, TH 1-type cytokines and elevated leishmanial antigen-specific IgG2a isotype response. T-cell response to the L donovani/challenge infection is associated with increase in IL-12 and IFN-γ, but reduced IL-10 and IL-4 production.
Conclusions:
LmjMAPK10 is cross-protective against L donovani infection.
Insights
DNA vaccination using Leishmania major-derived MAPK10 (mitogen-activated protein kinase 10) shows cross-protection against Leishmania donovani infection, reducing parasite burden and enhancing host immunity.
Area of Science:
- Immunology
- Parasitology
- Molecular Biology
Background:
- Leishmania major and Leishmania donovani are parasitic protozoa causing different forms of leishmaniasis.
- Mitogen-activated protein kinases (MAPKs) are crucial in parasitic organisms.
- MAPK10 is a specific MAPK identified in Leishmania major.
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