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J Endod:THSG增强牙髓干细胞可促进牙槽骨缺损的修复

2019-03-11 不详 网络

尽管已经研究了人牙髓干细胞(hDPSC)用于骨再生的治疗潜力,但其治疗效率仍需进一步的探究。因此,本研究旨在评估2,3,5,4'-四羟基二苯乙烯-2-O-β-D-葡萄糖苷(THSG)对hDPSCs成骨分化的影响,并检测THSG增强hDPSCs在大鼠牙槽骨缺损中的治疗效果。通过定量实时聚合酶链反应检查成骨mRNA(包括ALP,RUNX2,BGLAP和AMBN)的表达。进行茜素红S染色以分析THSG诱

尽管已经研究了人牙髓干细胞(hDPSC)用于骨再生的治疗潜力,但其治疗效率仍需进一步的探究。因此,本研究旨在评估2,3,5,4'-四羟基二苯乙烯-2-O-β-D-葡萄糖苷(THSG)对hDPSCs成骨分化的影响,并检测THSG增强hDPSCs在大鼠牙槽骨缺损中的治疗效果。

通过定量实时聚合酶链反应检查成骨mRNA(包括ALP,RUNX2,BGLAP和AMBN)的表达。进行茜素红S染色以分析THSG诱导的hDPSC矿化。为了研究THSG处理的hDPSC对牙槽骨的再生作用,在雄性Sprague-Dawley大鼠中产生了骨缺损。用Matrigel(Corning Inc,Corning,NY),hDPSCs或hDPSCs + THSG处理缺陷。2周后,通过微型计算机断层扫描和组织学分析评估缺损愈合。

结果显示,在细胞模型中,THSG诱导成骨相关基因(ALP,RUNX2和BGLAP)和釉质相关基因(AMBN),治疗2周后通过茜素红S染色检测到矿化。在动物模型中,THSG增加了大鼠肺泡骨缺损中骨形成的所有参数(相对骨量,小梁厚度,小梁数和小梁分离)。THSG不仅提高了新生骨质量,还提高了新骨量。

总之,这些结果显示了揭示THSG增强的hDPSCs成骨分化和THSG促进的骨再生的重要发现,这可能为基于细胞的再生疗法提供替代选择。

原始出处:

Lin CY, Kuo PJ, et al., Dental Pulp Stem Cell Transplantation with 2,3,5,4'-Tetrahydroxystilbene-2-O-β-D-glucoside Accelerates Alveolar Bone Regeneration in Rats. J Endod. 2019 Mar 6. pii: S0099-2399(19)30003-2. doi: 10.1016/j.joen.2018.12.019. 

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    2020-01-25 mei540
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    2019-12-22 jxrzshh
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    2019-03-13 lfcmxl
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