期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 217, 期 1-2, 页码 85-89出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneuroim.2009.09.019
关键词
Central nervous system; Cytokines; Immunohistochemistry; Inflammation; Rabies virus
资金
- Departments of Medicine
Rabies encephalitis is a significant health hazard, particularly in Asia. To understand the role of immune mechanisms and cytokines in rabies encephalitis, we performed a retrospective and prospective study on the autopsy material. Representative histopathological sections were studied and subjected to immunostaining for rabies virus antigen, TNF-alpha and IL-1 beta. Immunohistochernistry for IL-1 beta and TNF-alpha revealed expression of these cytokines in 96% of cases in microglial cells, macrophages and lymphocytes with a strong positive correlation between IL-1 beta and TNF-alpha immunopositivity and degree of perivascular and parenchymal inflammation. In addition, expression of IL-1 beta and TNF-alpha also correlated positively with each other. However there was no direct correlation of viral antigen load with grading of cytokine expression. These findings indicate that IL-1 beta and TNF-alpha together may play an important role to coordinate the dramatic inflammatory response associated with the rabies-encephalopathy. They may serve as important targets for future therapy. (C) 2009 Elsevier B.V. All rights reserved.
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