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J Biomed Res:溶血磷脂酸对人牙周膜干细胞的影响

2019-04-25 不详 网络

尽管牙周韧带干细胞(PDLSC)在未来的再生医学中具有潜在的应用,但其难以从患者中大量获得。因此,在扩大细胞数量的同时保持干性是将PDLSC从实验室转移到临床使用的关键。溶血磷脂酸(LPA)存在于人体和唾液中,是源自磷脂的信号分子。在这项研究中,我们检查了LPA对人类PDLSC中干细胞维持的影响。从PDLSC分离建立了几个纺锤形和成纤维细胞样牙周韧带干细胞系。在这些细胞系中,表征了形态学上最适合的

尽管牙周韧带干细胞(PDLSC)在未来的再生医学中具有潜在的应用,但其难以从患者中大量获得。因此,在扩大细胞数量的同时保持干性是将PDLSC从实验室转移到临床使用的关键。

溶血磷脂酸(LPA)存在于人体和唾液中,是源自磷脂的信号分子。在这项研究中,我们检查了LPA对人类PDLSC中干细胞维持的影响。从PDLSC分离建立了几个纺锤形和成纤维细胞样牙周韧带干细胞系。在这些细胞系中,表征了形态学上最适合的细胞系。

结果显示,OCT4,NANOG(干细胞标记物)和CD90(间充质干细胞标记物)的表达水平很高。然而,未观察到CD73(间充质干细胞的阴性标记)表达。值得注意的是,免疫荧光分析鉴定了蛋白质水平的STRO-1,CD146(间充质干细胞标记物)和性别决定区Y-box 2的表达。此外,在脂肪生成诱导21天后,脂滴被油红O染色,并且在诱导成骨14天后,矿化结节被茜素红S染色。碱性磷酸盐染色也证明了骨生成的发生。

总之,我们建立了人PDLSC系列,可用作牙科患者组织再生的细胞来源。然而,需要进一步研究以确定LPA对PDLSC的详细作用。

原始出处:

Byung Cheol K Jae-In S, et al., Effects of lysophosphatidic acid on human periodontal ligament stem cells from teeth extracted from dental patients. J Biomed Res. 2019 Apr 22;33(2):122-130. doi: 10.7555/JBR.32.20170123.

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    2019-08-18 sunylz
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    2019-12-27 xqptu
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