"Platelet-derived growth factor BB (PDGF-BB) has been assigned a critical role in vascular growth and recruitment of perivascular mural cells. The purpose of the present study is to investigate the signalling events underlying the stimulation of vasculogenesis of mouse embryonic stem (ES) cells by PDGF-BB," scientists in Giessen, Germany report (see also Enzyme Research).
"PDGF-BB increased vascular sprouting and branching of capillary-like structures in embryoid bodies as evaluated by computer-assisted analysis of CD31-positive cell structures. It also activated extracellular-regulated kinase 1,2 (ERK1,2) and c-Jun N-terminal kinase but not p38 mitogen-activated …
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