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Using systemic EC–pericyte crosstalk analysis, this study identifies the NO–sGC as a key signaling that mediates EC–pericyte communication in the lung vasculature and demonstrates that pharmacological activation of the NO–sGC signaling promotes vascular integrity and mitigates inflammation-induced lung injury.

Zhou et al. establish murine models of anti-CTLA-4–mediated intestinal irAEs. These reveal common immune signatures and the importance of fecal microbiome dysbiosis as irAE-driving mechanisms, which enable preclinical therapeutic interventions. Key immune features are validated in a cohort of melanoma patients with ICB-associated intestinal irAEs.

Brief Definitive Report

We report a new mechanism of immune evasion by SARS-CoV-2 based on direct disabling CTLs to form immune synapses through Spike protein binding to ACE2. This mechanism could contribute to the failure of the immune system to control SARS-CoV-2 infection.

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