期刊
TRENDS IN CELL BIOLOGY
卷 11, 期 9, 页码 372-377出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/S0962-8924(01)02064-5
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Tumor necrosis factor alpha (TNF alpha) is a potent proinflammatory cytokine that plays an important role in immunity and inflammation, and in the control of cell proliferation, differentiation and apoptosis. TNF alpha is also the founding member of a still growing family of cytokines with diverse bioregulatory functions. Considerable progress has been made in understanding the molecular mechanisms that mediate TNF alpha -induced cellular responses. Binding of TNF alpha to its two receptors, TNFR1 and TNFR2, results in recruitment of signal transducers that activate at least three distinct effectors. Through complex signaling cascades and networks, these effectors lead to the activation of caspases and two transcription factors, AP-1 and NF-kappaB. Similar signaling mechanisms are likely to be used by other members of the TNF family. This review focuses on proteins that transduce the signals generated at TNF receptors to nuclear targets such as AP-1 and NF-kappaB.
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