the binding of three radiolabeled isoforms of platelet-derived growth factor ( pdgf ) , 125i-pdgf-aa , 125i-pdgf-ab , and 125i-pdgf-bb , is differentially affected by exposure of quiescent 3t3 cells to transforming growth factor-beta ( tgf-beta ) .
C0032200
pdgf
C0381163
pdgf-ab