Circuitry of nuclear factor κB signaling

Immunological Reviews - Tập 210 Số 1 - Trang 171-186 - 2006
Alexander Hoffmann1, David Baltimore2
1Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
2Division of Biology, California Institute of Technology, Pasadena, CA, USA

Tóm tắt

Summary:  Over the past few years, the transcription factor nuclear factor (NF)‐κB and the proteins that regulate it have emerged as a signaling system of pre‐eminent importance in human physiology and in an increasing number of pathologies. While NF‐κB is present in all differentiated cell types, its discovery and early characterization were rooted in understanding B‐cell biology. Significant research efforts over two decades have yielded a large body of literature devoted to understanding NF‐κB's functioning in the immune system. NF‐κB has been found to play roles in many different compartments of the immune system during differentiation of immune cells and development of lymphoid organs and during immune activation. NF‐κB is the nuclear effector of signaling pathways emanating from many receptors, including those of the inflammatory tumor necrosis factor and Toll‐like receptor superfamilies. With this review, we hope to provide historical context and summarize the diverse physiological functions of NF‐κB in the immune system before focusing on recent advances in elucidating the molecular mechanisms that mediate cell type‐specific and stimulus‐specific functions of this pleiotropic signaling system. Understanding the genetic regulatory circuitry of NF‐κB functionalities involves system‐wide measurements, biophysical studies, and computational modeling.

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Immunological Reviews

Tập 210 Số 1

171-186

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