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- W4313268723 abstract "Dengue virus (DENV) exploits various cellular pathways including autophagy to assure enhanced virus propagation. The mechanisms of DENV mediated control of autophagy pathway are largely unknown. Our investigations have revealed a novel role for high-mobility group box1 protein (HMGB1) in regulation of cellular autophagy process in DENV-2 infected A549 cell line. While induction of autophagy by rapamycin treatment resulted in enhanced DENV-2 propagation, the blockade of autophagy flux with bafilomycin A1 suppressed viral replication. Furthermore, siRNA-mediated silencing of HMGB1 significantly abrogated dengue induced autophagy, while LPS induced HMGB1 expression counteracted these effects. Interestingly, silencing of HMGB1 showed reduction of BECN1 and stabilization of BCL-2 protein. On the contrary, LPS induction of HMGB1 resulted in enhanced BECN1 and reduction in BCL-2 levels. This study shows that the modulation of autophagy by DENV-2 is HMGB1/BECN1 dependent. In addition, glycyrrhizic acid (GA), a potent HMGB1 inhibitor suppressed autophagy as well as DENV-2 replication. Altogether, our data suggests that HMGB1 induces BECN1 dependent autophagy to promote DENV-2 replication." @default.
- W4313268723 created "2023-01-06" @default.
- W4313268723 creator A5016324413 @default.
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- W4313268723 creator A5073141637 @default.
- W4313268723 date "2023-02-01" @default.
- W4313268723 modified "2023-10-16" @default.
- W4313268723 title "Dengue virus induced autophagy is mediated by HMGB1 and promotes viral propagation" @default.
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- W4313268723 doi "https://doi.org/10.1016/j.ijbiomac.2022.12.299" @default.
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