Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell+Death+Differ 2022 ; 29 (2): 420-438 Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Fatal cytokine release syndrome by an aberrant FLIP/STAT3 axis #MMPMID34518653
Musiu C; Caligola S; Fiore A; Lamolinara A; Frusteri C; Del Pizzo FD; De Sanctis F; Cane S; Adamo A; Hofer F; Barouni RM; Grilli A; Zilio S; Serafini P; Tacconelli E; Donadello K; Gottin L; Polati E; Girelli D; Polidoro I; Iezzi PA; Angelucci D; Capece A; Chen Y; Shi ZL; Murray PJ; Chilosi M; Amit I; Bicciato S; Iezzi M; Bronte V; Ugel S
Cell Death Differ 2022[Feb]; 29 (2): 420-438 PMID34518653show ga
Inflammatory responses rapidly detect pathogen invasion and mount a regulated reaction. However, dysregulated anti-pathogen immune responses can provoke life-threatening inflammatory pathologies collectively known as cytokine release syndrome (CRS), exemplified by key clinical phenotypes unearthed during the SARS-CoV-2 pandemic. The underlying pathophysiology of CRS remains elusive. We found that FLIP, a protein that controls caspase-8 death pathways, was highly expressed in myeloid cells of COVID-19 lungs. FLIP controlled CRS by fueling a STAT3-dependent inflammatory program. Indeed, constitutive expression of a viral FLIP homolog in myeloid cells triggered a STAT3-linked, progressive, and fatal inflammatory syndrome in mice, characterized by elevated cytokine output, lymphopenia, lung injury, and multiple organ dysfunctions that mimicked human CRS. As STAT3-targeting approaches relieved inflammation, immune disorders, and organ failures in these mice, targeted intervention towards this pathway could suppress the lethal CRS inflammatory state.