PMID- 32674666 OWN - NLM STAT- MEDLINE DCOM- 20210902 LR - 20210902 IS - 1557-8534 (Electronic) IS - 1547-3287 (Linking) VI - 29 IP - 18 DP - 2020 Sep 15 TI - Combined Use of Recombinant Human BMP-7 and Osteogenic Media May Have No Ideal Synergistic Effect on Leporine Bone Regeneration of Human Umbilical Cord Mesenchymal Stem Cells Seeded on Nanohydroxyapatite/Collagen/Poly (l-Lactide). PG - 1215-1228 LID - 10.1089/scd.2020.0066 [doi] AB - Human umbilical cord mesenchymal stem cells (hUC-MSCs) are a promising alternative source of mesenchymal stem cells (MSCs) that are enormously attractive for clinical use. This study was designed to investigate the effect of recombinant human bone morphogenetic protein-7 (rhBMP-7) and/or osteogenic media (OMD) on bone regeneration of hUC-MSCs seeded on nanohydroxyapatite/collagen/poly(l-lactide) (nHAC/PLA) in a rabbit model. The characteristics of stem cells were analyzed by plastic adherence, cell phenotype, and multilineage differentiation potential. Cell proliferation was examined using cell counting kit-8 assay. Osteogenic differentiation was evaluated by quantitative Ca(2+) concentration, PO(4)(3-) concentration, alkaline phosphatase (ALP) activity, osteocalcin (OCN) secretion, and mineralized matrix formation. Bone regeneration was investigated in jaw bone defect repair in rabbit by microcomputed tomography, fluorescent labeling, and hematoxylin and eosin staining. Except for initial stress response, OMD and OMD + rhBMP-7 inhibited the proliferation of hUC-MSCs seeded on nHAC/PLA; rhBMP-7 inhibited cell proliferation in the nonlogarithmic phase and attenuated the inhibitory effect of OMD on cell proliferation. The inhibitory effects of OMD, rhBMP-7, and OMD + rhBMP-7 on cell proliferation were ranked as OMD > OMD + rhBMP-7 > rhBMP-7. OMD, rhBMP-7, and OMD + rhBMP-7 promoted Ca(2+) concentration, PO(4)(3-) concentration, ALP activity, OCN secretion, and mineralized matrix formation of hUC-MSCs seeded on nHAC/PLA. The promoting effects of OMD, rhBMP-7, and OMD+rhBMP-7 on Ca(2+) concentration, PO(4)(3-) concentration, ALP activity, OCN secretion, and mineralized matrix formation were ranked as rhBMP-7 > OMD > OMD + rhBMP-7, OMD > OMD + rhBMP-7 > rhBMP-7, OMD > rhBMP-7 > OMD + rhBMP-7, rhBMP-7 > OMD + rhBMP-7 > OMD, and OMD > rhBMP-7 > OMD + rhBMP-7, respectively. In rabbit jaw bone defect repair, OMD, rhBMP-7, and OMD + rhBMP-7 enhanced bone regeneration of hUC-MSCs seeded on nHAC/PLA, but the largest bone mineral apposition rate and bone formation were presented in cultures with rhBMP-7. These findings suggested that the combined use of rhBMP-7 and OMD may have no ideal synergistic effect on bone regeneration of hUC-MSCs seeded on nHAC/PLA in rabbit jaw bone defect. FAU - E, Ling-Ling AU - E LL AD - Department of Chemistry, Jinan University, Guangzhou, China. AD - Institute of Stomatology, Chinese People's Liberation Army General Hospital, Beijing, China. FAU - Cheng, Tao AU - Cheng T AD - Institute of Stomatology, Chinese People's Liberation Army General Hospital, Beijing, China. FAU - Li, Chuan-Jie AU - Li CJ AD - Institute of Stomatology, Chinese People's Liberation Army General Hospital, Beijing, China. FAU - Zhang, Rong AU - Zhang R AD - Institute of Stomatology, Chinese People's Liberation Army General Hospital, Beijing, China. FAU - Zhang, Shuo AU - Zhang S AD - Institute of Stomatology, Chinese People's Liberation Army General Hospital, Beijing, China. FAU - Liu, Hong-Chen AU - Liu HC AD - Institute of Stomatology, Chinese People's Liberation Army General Hospital, Beijing, China. FAU - Zheng, Wen-Jie AU - Zheng WJ AD - Department of Chemistry, Jinan University, Guangzhou, China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20200813 PL - United States TA - Stem Cells Dev JT - Stem cells and development JID - 101197107 RN - 0 (BMP7 protein, human) RN - 0 (Bone Morphogenetic Protein 7) RN - 0 (Culture Media) RN - 0 (Phosphates) RN - 0 (Polyesters) RN - 0 (Recombinant Proteins) RN - 0 (nano-hydroxyapatite-collagen) RN - 104982-03-8 (Osteocalcin) RN - 459TN2L5F5 (poly(lactide)) RN - 9007-34-5 (Collagen) RN - 91D9GV0Z28 (Durapatite) RN - EC 3.1.3.1 (Alkaline Phosphatase) RN - SY7Q814VUP (Calcium) SB - IM MH - Alkaline Phosphatase/metabolism MH - Animals MH - Bone Morphogenetic Protein 7/*pharmacology MH - Bone Regeneration/*drug effects MH - Calcification, Physiologic/drug effects MH - Calcium/analysis MH - Cell Adhesion/drug effects MH - Cell Differentiation/drug effects MH - Cell Proliferation/drug effects MH - Cells, Cultured MH - Collagen/*pharmacology MH - Culture Media MH - Durapatite/*pharmacology MH - Female MH - Humans MH - Jaw/drug effects/pathology MH - Mesenchymal Stem Cells/*cytology/drug effects/ultrastructure MH - Osteocalcin/metabolism MH - *Osteogenesis MH - Phosphates/analysis MH - Polyesters/*pharmacology MH - Rabbits MH - Recombinant Proteins/*pharmacology MH - Umbilical Cord/*cytology OTO - NOTNLM OT - bone tissue engineering OT - human umbilical cord mesenchymal stem cells OT - nanohydroxyapatite/collagen/poly(l-lactide) OT - osteogenic media OT - recombinant human bone morphogenetic protein-7 EDAT- 2020/07/18 06:00 MHDA- 2021/09/03 06:00 CRDT- 2020/07/18 06:00 PHST- 2020/07/18 06:00 [pubmed] PHST- 2021/09/03 06:00 [medline] PHST- 2020/07/18 06:00 [entrez] AID - 10.1089/scd.2020.0066 [doi] PST - ppublish SO - Stem Cells Dev. 2020 Sep 15;29(18):1215-1228. doi: 10.1089/scd.2020.0066. Epub 2020 Aug 13.