PMID- 12539387 OWN - NLM STAT- MEDLINE DCOM- 20030418 LR - 20100429 IS - 1000-1182 (Print) IS - 1000-1182 (Linking) VI - 17 IP - 4 DP - 1999 Nov TI - [Effects of growth factors on DNA and collagen synthesis of human mandibular condylar cartilage cells]. PG - 358-60 AB - OBJECTIVE: To investigate the effects of transforming growth factor-beta 1 (TGF-beta 1), insulin-like growth factor-I (IGF-I) and basic fibroblast growth factor(bFGF) on DNA and collagen synthesis of mandibular condylar cartilage(MCC) of human fetus. METHODS: Cell culture, 3H-TdR and 3H-Proline incorporation methods were used. MCC cells were harvested from 4 to 5 months old human fetus. Cells were seeded at 2 x 10(4)/well on 96-well Plate. After synchronization, medium was replaced by DMEM containing 0.4% NCS with various growth factors and concentrations. RESULTS: bFGF stimulated the DNA synthesis significantly, and IGF-I had less effect, while the effect of TGF-beta 1 was insignificant. For collagen synthesis, bFGF caused a dose-dependent increase(60%). A greater effect(98%) was achieved when IGF-1 was added. In contrast, TGF-beta 1 could inhibit collagen synthesis (24%). CONCLUSION: Growth factors play an important part in the proliferation and matrix synthesis of MCC cells, which might be of potential application in treating cartilage destructive lesions. FAU - Jiao, Y AU - Jiao Y AD - College of Stomatology, West China University of Medical Sciences. FAU - Wang, D AU - Wang D FAU - Han, W AU - Han W FAU - Li, T AU - Li T LA - chi PT - English Abstract PT - Journal Article PL - China TA - Hua Xi Kou Qiang Yi Xue Za Zhi JT - Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology JID - 9422648 RN - 0 (Collagen Type II) RN - 0 (TGFB1 protein, human) RN - 0 (Transforming Growth Factor beta) RN - 0 (Transforming Growth Factor beta1) RN - 62031-54-3 (Fibroblast Growth Factors) RN - 67763-96-6 (Insulin-Like Growth Factor I) RN - 9007-49-2 (DNA) SB - IM MH - Cell Division/drug effects MH - Cells, Cultured MH - Chondrocytes/*drug effects/metabolism MH - Collagen Type II/*biosynthesis MH - DNA/*biosynthesis MH - Fibroblast Growth Factors/pharmacology MH - Humans MH - Insulin-Like Growth Factor I/pharmacology MH - Mandibular Condyle/*cytology MH - Transforming Growth Factor beta/pharmacology MH - Transforming Growth Factor beta1 EDAT- 2003/01/24 04:00 MHDA- 2003/04/19 05:00 CRDT- 2003/01/24 04:00 PHST- 2003/01/24 04:00 [pubmed] PHST- 2003/04/19 05:00 [medline] PHST- 2003/01/24 04:00 [entrez] PST - ppublish SO - Hua Xi Kou Qiang Yi Xue Za Zhi. 1999 Nov;17(4):358-60.