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Suppressors of cytokine signalling (SOCS) proteins regulate signal transduction, but their role in responses to chemokines remains poorly understood. We report that cells expressing SOCS1 and 3 exhibit enhanced adhesion and reduced migration towards the chemokine CCL11. Focal adhesion kinase (FAK) and the GTPase RhoA, control cell adhesion and migration and we show the presence of SOCS1 or 3 regulates expression and tyrosine phosphorylation of FAK, while also enhancing activation of RhoA. Our novel findings suggest that SOCS1 and 3 may control chemotaxis and adhesion by significantly enhancing both FAK and RhoA activity, thus localizing immune cells to the site of allergic inflammation.

Original publication




Journal article



Publication Date





4469 - 4474


Animals, Cell Adhesion, Cell Line, Cell Movement, Chemokine CCL11, Chemotaxis, Enzyme Activation, Focal Adhesion Kinase 1, Gene Expression Regulation, Enzymologic, Humans, Mice, Phosphorylation, Suppressor of Cytokine Signaling 1 Protein, Suppressor of Cytokine Signaling 3 Protein, Suppressor of Cytokine Signaling Proteins, Tyrosine, rhoA GTP-Binding Protein