PMID- 8013761 OWN - NLM STAT- MEDLINE DCOM- 19940725 LR - 20190515 IS - 0012-1797 (Print) IS - 0012-1797 (Linking) VI - 43 IP - 7 DP - 1994 Jul TI - Hepatocyte growth factor/scatter factor has insulinotropic activity in human fetal pancreatic cells. PG - 947-53 AB - Fetal mesenchyme-derived factors are likely to play an important role in pancreatic islet development and growth. We have used primary cultures of human fetal pancreatic tissue to identify growth factors that have morphogenic, mitogenic, and insulinotropic activity. The formation of islet-like cell clusters (ICCs) during a 6-day culture was stimulated two- to threefold by hepatocyte growth factor/scatter factor (HGF/SF) basic fibroblast growth factor (FGF)-2, and to a lesser extent by keratinocyte growth factor (FGF-7) and insulin-like growth factor-II (IGF-II). In contrast, transforming growth factor-beta (TGF-beta) had a strong inhibitory effect. The ICCs formed during HGF/SF stimulation consisted mainly of epithelial cells, whereas FGF-2-induced ICCs were predominantly nonepithelial. Furthermore, although both FGF-2 and HGF/SF increased the total insulin content of the cultures, only HGF/SF increased the insulin content per DNA. Quantitatively, HGF/SF stimulated a 2.3-fold increase in the proportion of insulin-positive cells and a 3-fold higher number of replicating beta-cells. Blocking of the IGF-I receptor inhibited ICC formation but did not affect their insulin content. Immunoneutralizing TGF-beta resulted in increased cell growth and insulin content, indicating the presence of an endogenous inhibitory TGF-beta activity in the model system. Our results suggest that HGF/SF may be an important component of the fetal mesenchyme-derived factors responsible for pancreatic islet development. HGF/SF also may prove valuable for supporting the in vitro growth of islet cells. FAU - Otonkoski, T AU - Otonkoski T AD - Lucy Thorne Whittier Children's Center, La Jolla, California. FAU - Beattie, G M AU - Beattie GM FAU - Rubin, J S AU - Rubin JS FAU - Lopez, A D AU - Lopez AD FAU - Baird, A AU - Baird A FAU - Hayek, A AU - Hayek A LA - eng GR - DK-18811/DK/NIDDK NIH HHS/United States GR - R01-DK-39087/DK/NIDDK NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Diabetes JT - Diabetes JID - 0372763 RN - 0 (Antibodies) RN - 0 (Antibodies, Monoclonal) RN - 0 (Growth Substances) RN - 0 (Insulin) RN - 0 (Transforming Growth Factor beta) RN - 67256-21-7 (Hepatocyte Growth Factor) RN - 9007-49-2 (DNA) RN - EC 2.7.10.1 (Receptor, IGF Type 1) RN - VC2W18DGKR (Thymidine) SB - IM MH - Abortion, Legal MH - Analysis of Variance MH - Antibodies/pharmacology MH - Antibodies, Monoclonal/pharmacology MH - Cell Division/drug effects MH - Cells, Cultured MH - DNA/biosynthesis/metabolism MH - Female MH - Fetus MH - Gestational Age MH - Growth Substances/*pharmacology MH - Hepatocyte Growth Factor/*pharmacology MH - Humans MH - Insulin/*metabolism MH - Islets of Langerhans/drug effects/embryology/*physiology MH - Pancreas/cytology/drug effects/*embryology MH - Pregnancy MH - Receptor, IGF Type 1/immunology/physiology MH - Thymidine/metabolism MH - Transforming Growth Factor beta/immunology/physiology EDAT- 1994/07/01 00:00 MHDA- 1994/07/01 00:01 CRDT- 1994/07/01 00:00 PHST- 1994/07/01 00:00 [pubmed] PHST- 1994/07/01 00:01 [medline] PHST- 1994/07/01 00:00 [entrez] AID - 10.2337/diab.43.7.947 [doi] PST - ppublish SO - Diabetes. 1994 Jul;43(7):947-53. doi: 10.2337/diab.43.7.947.