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Modulation Of Host Immunity Against West Nile Virus Infection | 6679
ISSN: 2157-7633

Journal of Stem Cell Research & Therapy
Open Access

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Modulation of host immunity against West Nile virus infection

International Conference on Regenerative & Functional Medicine

Fengwei Bai

Accepted Abstracts: J Stem Cell Res Ther

DOI: 10.4172/2157-7633.S1.005

West Nile virus (WNV), a mosquito-transmitted RNA virus, causes severe human and animal infections in North America. There are currently no specific or proven treatments available for human WNV infections. The host immune response to viral infections is mediated by innate responses followed by adaptive immunity. A cytokine imbalance induced by infection can contribute to immunopathogenesis during viral infections. Interleukin-10 (IL-10) and macrophage migration inhibitory factor (MIF) are elevated both in vitro and in vivo following WNV infection. WNV infection is markedly diminished in IL-10 deficient ( IL-10 -/- ) and MIF deficient ( MIF -/- )mice. Pharmacologic blockade of IL-10 and MIF signaling by neutralizing antibodies increases survival of WNV-infected mice. Increased production of antiviral cytokines in IL-10 -/- mice is associated with more efficient control of WNV infection.MIF promotes WNV invasion of the brain by compromising the integrity of the blood-brain- barrier (BBB).Interestingly, IL-10 is over-expressed in MIF -/- mice upon WNV infection and blockade of IL-10 signaling increases MIF -/- mice resistance to WNV infection suggesting that simultaneously blocking MIF and IL-10 signaling will further increase resistance to WNV infection.
Dr. Fengwei Bai has completed his Ph.D from Fudan University in 2002 and conducted postdoctoral training at Yale University School of Medicine. He is an assistant professor at the University of Southern Mississippi. Dr. Bai has published more than 20 papers in reputed journals and serving as an editorial board member of Internal Medicine - Open Access.
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