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Science 31 May 2002:
Vol. 296. no. 5573, pp. 1634 - 1635
DOI: 10.1126/science.1071924
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TNF-R1 Signaling: A Beautiful Pathway

Guoqing Chen, David V. Goeddel*

Tumor necrosis factor (TNF) is a major mediator of apoptosis as well as inflammation and immunity, and it has been implicated in the pathogenesis of a wide spectrum of human diseases, including sepsis, diabetes, cancer, osteoporosis, multiple sclerosis, rheumatoid arthritis, and inflammatory bowel diseases. The interaction of TNF with TNF receptor-1 (TNF-R1) activates several signal transduction pathways. A common feature of each pathway is the TNF-induced formation of a multiprotein signaling complex at the cell membrane. Over the past decade, many of the components and mechanisms of these signaling pathways have been elucidated. We provide an overview of current knowledge of TNF signaling and introduce an STKE Connections Map that depicts a canonical view of this process.

Tularik Inc., Two Corporate Drive, South San Francisco, CA 94080, USA.
*   To whom correspondence should be addressed. E-mail: goeddel{at}tularik.com

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Science. ISSN 0036-8075 (print), 1095-9203 (online)