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Inhibition of cGAS aggravated the host inflammatory response to < em > Aspergillus fumigatus < /em >
Conclusion: Based on our analysis, we conclude that activating cGAS might increase host resistance to A. fumigatus, protect against pulmonary illnesses brought on by A. fumigatus and that exploring the cGAS-STING signaling pathway is beneficial not only for the immunological investigation of IPA but also may be a potential therapeutic objective.PMID:37190937 | DOI:10.1080/01902148.2023.2211663
Source: Experimental Lung Research - May 16, 2023 Category: Respiratory Medicine Authors: Mei Peng Xiujun Li Xiaobing Zhang Li Peng Source Type: research

The cGAS-STING signaling pathway contributes to the inflammatory response and autophagy in Aspergillus fumigatus keratitis.
In this study, we showed that the cGAS-STING signaling pathway was activated in human corneal epithelial cells (HCECs) and in mouse corneas infected with A. fumigatus. Knockdown of cGAS reduced A. fumigatus-induced production of pro-inflammatory cytokines, including TNF-α, IL-1β, IL-6, and IFN-β. However, reconstruction of cGAS activity restored the inflammatory response in HCECs infected with A. fumigatus. A specific cGAS inhibitor, RU.521, could also significantly inhibit A. fumigatus-induced inflammatory cytokine expression. In addition, we found that cGAS was indispensable for the autophagy flux evoked by A. fumigat...
Source: Experimental Eye Research - November 20, 2020 Category: Opthalmology Authors: Han F, Guo H, Wang L, Zhang Y, Sun L, Dai C, Wu X Tags: Exp Eye Res Source Type: research