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Sci STKE. 2003 Sep 23;2003(201):PE40.

The cytokine receptor gp130: faithfully promiscuous.

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  • 1Institut für Biochemie, Universitätsklinikum RWTH Aachen, Pauwelsstrasse 30, 52074 Aachen, Germany.


Diverse cytokines can signal through receptor complexes containing the gp130 subunit. These cytokines, which include interleukin (IL)-6, IL-11, leukemia inhibitory factor (LIF), oncostatin M (OSM), ciliary neurotrophic factor (CNTF), cardiotrophin-1 (CT-1), and CLC (cardiotrophin-like cytokine), are implicated in inflammatory and immune responses, heart development, and fertility. The gp130 receptor-ligand complexes are contrasted with the complex formed by erythropoietin (Epo) and its receptor, EpoR. Also discussed are insights provided by the structural analysis of IL-6, its alpha receptor (IL6Ralpha), and the signal transducer gp130 for understanding receptor-ligand assembly, for predicting the structures of ligand-receptor complexes of the other IL-6-type cytokines, and for rational drug design.

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