Vascular Endothelial Growth Factor Receptor 1 (VEGF Receptor 1, VEGFR 1, VEGFR1, VEGFR-1, EC 2.7.10.1, FLT, Fms-like Tyrosine Kinase 1, Flt 1, Flt1, Flt-1, Fms Related Tyrosine Kinase 1, Fms-related Tyrosine Kinase 1 (Vascular Endothelial Growth Factor/Vascular Permeability Factor Receptor), FRT, Soluble VEGF Receptor 1-14, Soluble VEGFR1 Variant 2, Soluble VEGFR1 Variant 21, Tyrosine Protein Kinase FRT, Tyrosine Protein Kinase Receptor FLT, Vascular Endothelial Growth Factor/Vascular Permeability Factor Receptor, Vascular Permeability Factor Receptor 1, Vascular Permeability Factor Receptor)