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Taft, Justin; Markson, Michael; Legarda, Diana; Patel, Roosheel; Chan, Mark; Malle, Louise; Richardson, Ashley; Gruber, Conor; Martin-Fernandez, Marta; Mancini, Grazia M. S.; van Laar, Jan A. M.; van Pelt, Philomine; Buta, Sofija; Wokke, Beatrijs H. A.; Sabli, Ira K. D.; Sancho-Shimizu, Vanessa; Chavan, Pallavi Pimpale; Schnappauf, Oskar; Khubchandani, Raju; Cuceoglu, Muserref Kasap; Cuceoglu, Muserref Kasap
{ "DOI": "10.1016/j.cell.2021.07.026", "abstract": "TANK binding kinase 1 (TBK1) regulates IFN-I, NF-kappa B, and TNF-induced RIPK1-dependent cell death (RCD). In mice, biallelic loss of TBK1 is embryonically lethal. We discovered four humans, ages 32, 26, 7, and 8 from three unrelated consanguineous families with homozygous loss-of-function mutations in TBK1. All four patients suffer from chronic and systemic autoinflammation, but not severe viral infections. We demonstrate that TBK1 loss results in hypomorphic but sufficient IFN-I induction via RIG-I/MDA5, while the system retains near intact IL-6 induction through NF-kappa B. Autoinflammation is driven by TNF-induced RCD as patient-derived fibroblasts experienced higher rates of necroptosis in vitro, and CC3 was elevated in peripheral blood ex vivo. Treatment with anti-TNF dampened the baseline circulating inflammatory profile and ameliorated the clinical condition in vivo. These findings highlight the plasticity of the IFN-I response and underscore a cardinal role for TBK1 in the regulation of RCD.", "author": [ { "family": "Taft", "given": " Justin" }, { "family": "Markson", "given": " Michael" }, { "family": "Legarda", "given": " Diana" }, { "family": "Patel", "given": " Roosheel" }, { "family": "Chan", "given": " Mark" }, { "family": "Malle", "given": " Louise" }, { "family": "Richardson", "given": " Ashley" }, { "family": "Gruber", "given": " Conor" }, { "family": "Martin-Fernandez", "given": " Marta" }, { "family": "Mancini", "given": " Grazia M. S." }, { "family": "van Laar", "given": " Jan A. M." }, { "family": "van Pelt", "given": " Philomine" }, { "family": "Buta", "given": " Sofija" }, { "family": "Wokke", "given": " Beatrijs H. A." }, { "family": "Sabli", "given": " Ira K. D." }, { "family": "Sancho-Shimizu", "given": " Vanessa" }, { "family": "Chavan", "given": " Pallavi Pimpale" }, { "family": "Schnappauf", "given": " Oskar" }, { "family": "Khubchandani", "given": " Raju" }, { "family": "Cuceoglu", "given": " Muserref Kasap" }, { "family": "Cuceoglu", "given": " Muserref Kasap" } ], "container_title": "CELL", "id": "230168", "issue": "17", "issued": { "date-parts": [ [ 2021, 1, 1 ] ] }, "page": "4447-+", "title": "Human TBK1 deficiency leads to autoinflammation driven by TNF-induced cell death", "type": "article-journal", "volume": "184" }
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