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两种不同诱导液对人牙周膜干细胞膜片性能的影响 被引量:2

Effects of Two Different Inducing Liquids on PDLSCs Sheet
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摘要 目的:对比分析发育期根端复合体(Dental Apical Complex,DAC)诱导液和成骨诱导液对人牙周膜干细胞(Periodontal ligam-ent Stem Cells,PDLSCs)膜片形成和分化能力的影响。方法:收集临床十名12-16岁的青少年因正畸需要拔除的健康、无龋的新鲜牙(前磨牙),刮取根面残留牙周膜进行牙周膜干细胞的分离培养,制备成牙周膜干细胞膜片,分别采用DAC诱导液和成骨诱导液对膜片进行诱导,对比分析两种诱导液对牙周膜干细胞膜片的影响。结果:DAC诱导液处理过的PDLSCs细胞膜片,细胞形态接近牙源性间充质细胞,DAC诱导液提供了良好的成牙骨质-牙周样结构诱导环境,可促进PDLSCs膜片向功能性成牙骨质细胞谱系分化,而成骨诱导液提供了良好的成骨诱导环境,可促进PDLSCs膜片向功能性成骨细胞谱系分化。结论:DAC诱导液较之于成骨诱导液更利于PDLSCs细胞膜片的成牙周样分化,利于牙周缺损修复和局部再生。 Objective: To investigate the effects of dental apical complex (DAC) inducing liquid and osteogenesis inducing liquid on PDLSCs (Periodontal ligament Stem Cells)sheet. Methods: PDL tissues were separated from the surface of the mid-third of root and culture PDLSCs and PDLSCs sheet. PDLSCs sheet were induced with DAC inducing liquid and osteogenesis inducing liquid. Results: PDLSCs sheet induced by DAC inducing liquid which provides microenvironment for induction to cementum-PDL like tissue showed the morphous of dental mesenchyme-like tissue.Osteogenesis inducing liquid provides osteogenetic microenvironment which promotes osteogensis induction. Conclusion: Compared with osteogenesis inducing liquid, DAC inducing liquid is beneficial to PDLSCs sheet differentiation to PDL-like tissue to repair periodontal defeats and regeneration locally.
出处 《现代生物医学进展》 CAS 2012年第12期2220-2223,共4页 Progress in Modern Biomedicine
基金 国家重点基础发展规划项目(973项目)(2010CB944803)
关键词 牙周膜干细胞 牙周膜干细胞膜片 DAC诱导液 成骨诱导液 Periodontal ligament stem cells (PDLSCs) Periodontal ligament stem cells (PDLSCs) sheet DAC induction medium Osteogenic induction medium
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参考文献24

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同被引文献24

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