Lysophosphatidic acid stimulates tyrosine phosphorylation of focal adhesion kinase, paxillin, and p130. Signaling pathways and cross-talk with platelet-derived growth factor.

Abstract

Addition of 1-oleoyl-lysophosphatidic acid (LPA) induces tyrosine phosphorylation of multiple substrates in Swiss 3T3 cells including bands of M(r) 110,000-130,000 and M(r) 70,000-80,000. An increase in tyrosine phosphorylation of the M(r) 110,000-130,000 cluster of bands was detected as soon as 30 s after LPA stimulation reaching a maximum within 1 min… (More)

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