{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T08:03:07Z","timestamp":1793347387894,"version":"4.5.0"},"reference-count":48,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"78","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sci. Immunol."],"published-print":{"date-parts":[[2022,12,16]]},"abstract":"<jats:p>\n                    TNF mediates a variety of biological processes including cellular proliferation, inflammatory responses, and cell death and is therefore associated with numerous pathologies including autoinflammatory diseases and septic shock. The inflammatory and cell death responses to TNF have been studied extensively downstream of TNF-R1 and are believed to rely on the formation of proinflammatory complex I and prodeath complex II, respectively. We recently identified a similar multimeric complex downstream of TLR4, termed the TRIFosome, that regulates inflammation and cell death in response to LPS or\n                    <jats:italic>Yersinia pseudotuberculosis<\/jats:italic>\n                    . We present evidence of a role for the TRIFosome downstream of TNF-R1, independent of TLR3 or TLR4 engagement. Specifically, TNF-induced cell death and inflammation in murine macrophages were driven by the TLR4 adaptor TRIF and the LPS co-receptor CD14, highlighting an important role for these proteins beyond TLR-mediated immune responses. Via immunoprecipitation and visualization of TRIF-specific puncta, we demonstrated TRIF- and CD14-dependent formation of prodeath and proinflammatory complexes in response to TNF. Extending these findings, in a murine TNF\u2013induced sepsis model, TRIF and CD14 deficiency decreased systemic inflammation, reduced organ pathology, and improved survival. The outcome of TRIF activation was cell specific, because TNF-induced lethality was mediated by neutrophils and macrophages responding to TNF in a TRIF-dependent manner. Our findings suggest that in addition to their crucial role in TNF production, myeloid cells are central to TNF toxicity and position TRIF and CD14 as universal components of receptor-mediated immune responses.\n                  <\/jats:p>","DOI":"10.1126\/sciimmunol.add0665","type":"journal-article","created":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T13:58:09Z","timestamp":1671803889000},"source":"Crossref","is-referenced-by-count":50,"title":["Neutrophils and macrophages drive TNF-induced lethality via TRIF\/CD14-mediated responses"],"prefix":"10.1126","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3006-5780","authenticated-orcid":true,"given":"Hayley I.","family":"Muendlein","sequence":"first","affiliation":[{"name":"Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wilson M.","family":"Connolly","sequence":"additional","affiliation":[{"name":"Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James","family":"Cameron","sequence":"additional","affiliation":[{"name":"Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1615-9986","authenticated-orcid":true,"given":"David","family":"Jetton","sequence":"additional","affiliation":[{"name":"Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9378-4278","authenticated-orcid":true,"given":"Zoie","family":"Magri","sequence":"additional","affiliation":[{"name":"Graduate Program in Immunology, Tufts Graduate School of Biomedical Sciences, Boston, MA 02111, 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