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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Biochim Biophys Acta. 2013 Jul 24;1838(2):10.1016/j.bbamem.2013.07.017. doi: 10.1016/j.bbamem.2013.07.017

Fig1. Bidirectional signaling across integrins.

Fig1

Agonist stimulation, signaling via G protein coupled receptors (GPCRs) and/or growth factor receptors can lead to “inside-out” signaling of integrins. Extracellular domains of resting integrins open up to bind extracellular matrix ligands (L). This leads to “outside-in” signaling of integrins resulting in cytoskeletal remodeling and downstream signaling cascades.