Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and

@article{CarreteroOrtega2010Phosphatidylinositol3R,
  title={Phosphatidylinositol 3,4,5-triphosphate-dependent Rac exchanger 1 (P-Rex-1), a guanine nucleotide exchange factor for Rac, mediates angiogenic responses to stromal cell-derived factor-1/chemokine stromal cell derived factor-1 (SDF-1/CXCL-12) linked to Rac activation, endothelial cell migration, and },
  author={Jorge Carretero-Ortega and Colin T. Walsh and Ricardo Hern{\'a}ndez-Garc{\'i}a and Guadalupe Reyes-Cruz and Joan Heller Brown and Jos{\'e} V{\'a}zquez-Prado},
  journal={Molecular pharmacology},
  year={2010},
  volume={77 3},
  pages={435-42}
}
Stromal cell-derived factor-1 (SDF-1/CXCL-12) and vascular endothelial growth factor (VEGF), which can be secreted by hypoxic tumors, promote the generation of new blood vessels. These potent angiogenic factors stimulate endothelial cell migration via the activation of Rho GTPases and the phosphatidylinositol 3-kinase (PI3K)/AKT signaling pathway. Thus, characterization of guanine nucleotide exchange factors critical in the angiogenic signaling cascades offers the possibility of identifying… CONTINUE READING
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