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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hermance, Nicole Van, Trieu-My Polykratis, Apostolos Kim, Chun Chan, Francis K. M. Pasparakis, Manolis Lee, Thomas H. Zelic, Matija Roderick, Justine Kelliher, Michelle A. |
| Description | Author Affiliation: Polykratis A ( Institute for Genetics, University of Cologne, 50674 Cologne, Germany); Hermance N ( Department of Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605); Zelic M ( Department of Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605); Roderick J ( Department of Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605); Kim C ( Institute for Genetics, University of Cologne, 50674 Cologne, Germany); Van TM ( Institute for Genetics, University of Cologne, 50674 Cologne, Germany); Lee TH ( Genentech, San Francisco, CA 94080); Chan FK ( Department of Pathology, University of Massachusetts Medical School, Worcester, MA 01605.); Pasparakis M ( Institute for Genetics, University of Cologne, 50674 Cologne, Germany); Kelliher MA ( Department of Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605) |
| Abstract | The serine/threonine kinase RIPK1 is recruited to TNFR1 to mediate proinflammatory signaling and to regulate TNF-induced cell death. A RIPK1 deficiency results in perinatal lethality, impaired NFκB and MAPK signaling, and sensitivity to TNF-induced apoptosis. Chemical inhibitor and in vitro-reconstitution studies suggested that RIPK1 displays distinct kinase activity-dependent and -independent functions. To determine the contribution of RIPK1 kinase to inflammation in vivo, we generated knock-in mice endogenously expressing catalytically inactive RIPK1 D138N. Unlike Ripk1(-/-) mice, which die shortly after birth, Ripk1(D138N/D138N) mice are viable. Cells expressing RIPK1 D138N are resistant to TNF- and polyinosinic-polycytidylic acid-induced necroptosis in vitro, and Ripk1(D138N/D138N) mice are protected from TNF-induced shock in vivo. Moreover, Ripk1(D138N/D138N) mice fail to control vaccinia virus replication in vivo. This study provides genetic evidence that the kinase activity of RIPK1 is not required for survival but is essential for TNF-, TRIF-, and viral-initiated necroptosis. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1400590 |
| Journal | The Journal of Immunology |
| Issue Number | 4 |
| Volume Number | 193 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2014-08-15 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Apoptosis Immunology Hypothermia Mortality Necrosis Receptor-interacting Protein Serine-threonine Kinases Genetics Tumor Necrosis Factor-alpha Pharmacology Adaptor Proteins, Vesicular Transport Animals Drug Effects Cells, Cultured Gene Knock-in Techniques Chemically Induced Inflammation Map Kinase Signaling System Macrophages Mice Mice, Inbred C57bl Nf-kappa B Poly I-c Receptors, Tumor Necrosis Factor, Type I Vaccinia Vaccinia Virus Growth & Development Virus Replication Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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