期刊
EXPERIMENTAL PARASITOLOGY
卷 122, 期 2, 页码 145-154出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.exppara.2009.02.001
关键词
Leishmania; Peroxovanadate (PV); Sodium Antimony Gluconate (SAG); Antileishmanial T cell
类别
资金
- Department of Science and Technology, New Delhi, India
We demonstrate that the combination of sub-optimal doses of Sodium Antimony Gluconate (SAG) and the diperoxovanadate compound K[VO(O-2)(2)(H2O)], also designated as PV6, is highly effective in combating experimental infection of BALB/c mice with antimony resistant (Sb-R) Leishmania donovani (LD) as evident from the significant reduction in organ parasite burden where SAG is essentially ineffective. Interestingly, such treatment also allowed clonal expansion of antileishmanial T-cells coupled with robust Surge of IFN-gamma and concomitant decrease in IL-10 production. The splenocytes from the treated animals generated significantly higher amounts of IFN-gamma inducible parasiticidal effector molecules like superoxide and nitric oxide as compared to the infected group. Our study indicates that the combination of sub-optimal doses of SAG and PV6 may be beneficial for the treatment of SAG resistant visceral leishmaniasis patients. (c) 2009 Published by Elsevier Inc.
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