Leukemia-associated RhoGEF (LARG) serves as a G alpha responsive RhoGEF for G alpha 12, 13 and possibly G alpha q. G alpha 12 activity appears to depend on LARG tyrosine phosphorylation by Tec-family kinases (Suzuki et al. 2003) or FAK (Chikumi et al. 2002). The involvement of LARG may be specific to particular receptor signalling pathways; RNAi-mediated knockdown of LARG specifically inhibited thrombin signaling via PAR1 but not LPA receptors (Wang et al 2004).
Kozasa, T, Suzuki, N, Mano, H, Nakamura, S
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