Title : The G12/13-RhoA signaling pathway contributes to efficient lysophosphatidic acid-stimulated cell migration.

Pub. Date : 2006 Apr 6

PMID : 16301993






18 Functional Relationships(s)
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1 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
2 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
3 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
4 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
5 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
6 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
7 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
8 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
9 We previously showed that Lysophosphatidic acid (LPA) induced FAK membrane redistribution and autophosphorylation in ovarian cancer SK-OV3 cells and the signaling pathway consisting of Gi-Ras-MEKK1 mediated LPA-induced FAK membrane redistribution but not FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
10 These findings raised the question of whether LPA-induced FAK autophosphorylation was required for LPA-stimulated cell migration and what signaling mechanism was involved in LPA-induced FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
11 These findings raised the question of whether LPA-induced FAK autophosphorylation was required for LPA-stimulated cell migration and what signaling mechanism was involved in LPA-induced FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
12 These findings raised the question of whether LPA-induced FAK autophosphorylation was required for LPA-stimulated cell migration and what signaling mechanism was involved in LPA-induced FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
13 However, Gi inhibitor pertussis toxin or dominant-negative H-Ras still significantly inhibited LPA-stimulated cell migration in cells expressing the membrane anchored FAK containing a mutation in the autophosphorylation site [CD2-FAK(Y397A)]. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
14 However, Gi inhibitor pertussis toxin or dominant-negative H-Ras still significantly inhibited LPA-stimulated cell migration in cells expressing the membrane anchored FAK containing a mutation in the autophosphorylation site [CD2-FAK(Y397A)]. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
15 These results suggest that FAK autophosphorylation plays a role in LPA-stimulated cell migration. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
16 With the aid of p115RhoGEF-RGS, G12 and G13 minigenes to inhibit G12/13, we found that the G12/13 pathway was required for LPA-induced FAK autophosphorylation and efficient cell migration. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
17 Moreover, LPA activated RhoA and Rho kinase (ROCK) in a G12/13-dependent manner and their activities were required for LPA-induced FAK autophosphorylation. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens
18 Our studies show that the G12/13-RhoA-ROCK signaling pathway mediates LPA-induced FAK autophosphorylation and contributes to LPA-stimulated cell migration. lysophosphatidic acid protein tyrosine kinase 2 Homo sapiens