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  • SARS-CoV-2 infection activa...
    Chau, Chiu Wang; To, Alex; Au-Yeung, Rex K H; Tang, Kaiming; Xiang, Yang; Ruan, Degong; Zhang, Lanlan; Wong, Hera; Zhang, Shihui; Au, Man Ting; Chung, Seok; Song, Euijeong; Choi, Dong-Hee; Liu, Pentao; Yuan, Shuofeng; Wen, Chunyi; Sugimura, Ryohichi

    Scientific reports, 04/2024, Letnik: 14, Številka: 1
    Journal Article

    SARS-CoV-2 provokes devastating tissue damage by cytokine release syndrome and leads to multi-organ failure. Modeling the process of immune cell activation and subsequent tissue damage is a significant task. Organoids from human tissues advanced our understanding of SARS-CoV-2 infection mechanisms though, they are missing crucial components: immune cells and endothelial cells. This study aims to generate organoids with these components. We established vascular immune organoids from human pluripotent stem cells and examined the effect of SARS-CoV-2 infection. We demonstrated that infections activated inflammatory macrophages. Notably, the upregulation of interferon signaling supports macrophages' role in cytokine release syndrome. We propose vascular immune organoids are a useful platform to model and discover factors that ameliorate SARS-CoV-2-mediated cytokine release syndrome.