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椎间盘组织再生研究进展

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摘要 退变性椎间盘病是导致各种脊柱退行性疾患的主要原因。椎间盘组织内髓核细胞功能降低、细胞外基质减少、微环境异常可导致椎间盘生物学功能减弱。目前有多种生物学方法可为椎间盘组织再生提供条件。转化生长因子-β1、胰岛素样生长因子-I、骨形态发生蛋白-2等刺激髓核细胞活性,使其分泌细胞外基质的功能增强,进而改善髓核细胞微环境,维持椎间盘功能稳定。骨形态发生蛋白-2基因转染促进蛋白聚糖合成增加,稳定髓核细胞外基质;Sox9基因转染促进椎间盘细胞再生,并与多种细胞因子协同作用并促进椎间盘稳定。椎间盘源性细胞和非椎间盘源性细胞移植取代退变椎间盘细胞,可刺激退变细胞活性增加,产生大量蛋白聚糖、Ⅱ型胶原和其他基质蛋白。猪小肠粘膜下层支架、胶原支架、琼脂糖支架等均可为椎间盘组织再生提供生物学支架。生物学方法的不断发展,有望为退变性椎间盘病提供安全、可行的非手术疗法。
出处 《国际骨科学杂志》 2007年第6期380-383,共4页 International Journal of Orthopaedics
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