Journal
PARASITOLOGY RESEARCH
Volume 110, Issue 4, Pages 1517-1524Publisher
SPRINGER
DOI: 10.1007/s00436-011-2656-1
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Funding
- Central Drug Research Institute (CSIR), Lucknow
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Cytokines play an important role in the defense against malaria and some have long been documented to influence the course of malaria infection in rodents and humans. The present study was conducted to determine the mRNA expression pattern of a few prominent cytokines at different time points during the course of infection with a nonlethal and lethal Plasmodium vinckei rodent malaria parasite, using highly sensitive real-time PCR. Analysis of mRNA expression of cytokines in spleen from infected mice revealed that the principal difference was an early depletion in pro-inflammatory cytokine's mRNA expression in mice infected with lethal P. vinckei (PvAS) parasites. In addition, an increase in anti-inflammatory cytokines particularly IL-10 mRNA expression levels was found in the same group of mice. In contrast, the significant rise in pro-inflammatory cytokine's mRNA expression levels was recorded at day 1 onwards after infection with nonlethal P. vinckei (PvAR). The maximum fold change was recorded for IFN-gamma and IL-10, when compared to baseline value. TGF-beta did not seem to play any major role in P. vinckei infection.
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