Autophagy inhibitor treatment alleviates cerebral inflammatory responses in a mouse model of Japanese encephalitis

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Jinhua ZhangChangqin Gu

Abstract

Background Japanese Encephalitis (JE) is a zoonotic natural epidemic disease caused by Japanese Encephalitis Virus (JEV) infection. Currently, there is no specific medicine for Japanese encephalitis. Autophagy is a lysosomal degradation process that plays an important role in viral infection and cellular immunity. In vitro studies have shown that the Japanese encephalitis virus replication mechanism is related to the autophagy pathway. We hope that by studying the effects of autophagy-regulating drugs on JEV infection and host response in mice, will provide effective clinical trials for autophagy-regulating drugs in the treatment of Japanese encephalitis and other viral infectious diseases. Methods After establishing appropriate animal model. We observed the neurological symptoms of the mice and counted their survival rate. We observed histopathological changes in brain tissues of mice. We compared the extent of neuroinflammatory responses in the brain of mice and explored the signaling processes involved in neuroinflammation. Results We found autophagy inhibitors wortmannin (Wort) and chloroquine (CQ) slow down the occurrence of neurological symptoms and reduce the prevalence of JEV-infected mice. As expected, autophagy inhibi...Continue Reading

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