Am J Transl Res:人骨形态发生蛋白2对牙本质形成的影响

2018-10-17 MedSci MedSci原创

形成牙本质以保持牙髓活力是牙髓损伤的主要成牙本质细胞反应。人骨形态发生蛋白2(hBMP2)可促进成牙本质细胞的增殖和分化。本研究旨在评估hBMP2是否可以促进第三牙本质的再生并使用腺病毒载体治愈牙髓损伤以将hBMP2 cDNA递送到牙髓中。 进行脱落乳牙牙髓细胞(hDPCs)的原代培养。制备人血清型5腺病毒载体AdCMV-hBMP2。 使用AdCMV-hBMP2在体内转导体外hDPCs和动物

形成牙本质以保持牙髓活力是牙髓损伤的主要成牙本质细胞反应。人骨形态发生蛋白2(hBMP2)可促进成牙本质细胞的增殖和分化。本研究旨在评估hBMP2是否可以促进第三牙本质的再生并使用腺病毒载体治愈牙髓损伤以将hBMP2 cDNA递送到牙髓中。

进行脱落乳牙牙髓细胞(hDPCs)的原代培养。制备人血清型5腺病毒载体AdCMV-hBMP2。 使用AdCMV-hBMP2在体内转导体外hDPCs和动物模型中的牙髓细胞。结果表明hBMP2增加了ALP和矿化。逆转录-实时定量PCR(RT-QPCR)数据显示hBMP2明显增加Runx2(Runt相关转录因子2)、ALP、ColIα(胶原蛋白1a1)、SP7(Osterix)、DMP1(牙本质基质酸性)的基因表达磷蛋白1)、DSPP(牙本质涎磷蛋白)和BSP(骨骼蛋白),它们通常参与骨生成/牙齿发生。体内测定的数据表明hBMP2促进牙髓细胞增殖并增加牙髓中牙本质的形成。

综上所述,该研究结果表明,hBMP2基因可以通过腺病毒有效地传递到牙髓细胞中,并显示出治疗牙髓损伤的潜在临床应用。

原始出处:

Ni SL, Zhang J, et al., Effects of human bone morphogenetic protein 2 (hBMP2) on tertiary dentin formation. Am J Transl Res. 2018 Sep 15;10(9):2868-2876. eCollection 2018.

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    2018-12-31 bsmagic9140
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    2018-10-17 医者仁心5538

    学习了

    0