Possible positive autocrine feedback in the prereplicative phase of human fibroblastsYlva Paulsson, Bengt Westermark, Annet Hammacher et al.|Nature|1987Cited by 228
Human melanoma cell lines of primary and metastatic origin express the genes encoding the chains of platelet-derived growth factor (PDGF) and produce a PDGF-like growth factor.Bengt Westermark, Hilary Koprowski, A. Johnsson et al.|Proceedings of the National Academy of Sciences|1986Cited by 187
Regulation of platelet-derived growth factor gene expression by transforming growth factor beta and phorbol ester in human leukemia cell lines.Tomi P. Mäkelä, Kari Alitalo, Riitta Alitalo et al.|Molecular and Cellular Biology|1987Cited by 85
Induction of cyclic AMP synthesis by forskolin is followed by a reduction in the expression of c‐<i>myc</i> messenger RNA and inhibition of <sup>3</sup>H‐thymidine incorporation in human fibroblastsNils‐Erik Heldin, Bengt Westermark, Ylva Paulsson et al.|Journal of Cellular Physiology|1989Cited by 72
Growth factors induce early pre‐replicative changes in senescent human fibroblasts.Ylva Paulsson, Christer Betsholtz, Margaret Bywater et al.|The EMBO Journal|1986Cited by 58