Journal article

Inhibitors of cytokine signal transduction

S Wormald, DJ Hilton

Journal of Biological Chemistry | AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC | Published : 2004

Abstract

Cytokines are secreted proteins that regulate diverse biological functions by binding to receptors at the cell surface to activate complex signal transduction pathways including the Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway. Stringent mechanisms of signal attenuation are essential for ensuring an appropriate, controlled cellular response. Three families of proteins, the SH2-containing phosphatases (SHP), the protein inhibitors of activated STATs (PIAS), and the suppressors of cytokine signaling (SOCS), inhibit specific and distinct aspects of cytokine signal transduction. The analysis of mice lacking genes for members of the SHP and SOCS families has sh..

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