human platelet-derived growth factor ( hpdgf ) is likely to be important in stimulating tissue repair , based upon its in vivo chemotactic and stimulatory activities for inflammatory cells and fibroblasts and upon the presence of pdgf and related proteins in platelets , macrophages , and activated fibroblasts , cell types that make up the milieu of the healing wound .
C0043240
tissue repair
C0032200
pdgf