ADP-ribosylation of rho p21 inhibits lysophosphatidic acid-induced protein tyrosine phosphorylation and phosphatidylinositol 3-kinase activation in cultured Swiss 3T3 cells - Kumagai, N; Morii, N; Fujisawa, K; Nemoto, Y; Narumiya, S (J Biol Chem, 1993)