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Regenerative Therapeutic Applications of Mechanized Lipoaspirate Derivatives
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作者 Shaoheng XIONG Qirui WANG +2 位作者 Lihong QIU Jizhong YANG Chenggang YI 《Chinese Journal of Plastic and Reconstructive Surgery》 2020年第2期120-127,共8页
Autologous adipose tissue is one of the most commonly used fillers.Plastic surgeons are increasingly using it in aesthetic or reconstructive surgery owing to its abundant source,easy availability,and minimal invasiven... Autologous adipose tissue is one of the most commonly used fillers.Plastic surgeons are increasingly using it in aesthetic or reconstructive surgery owing to its abundant source,easy availability,and minimal invasiveness.Increasing amount of evidence has shown its reparative ability rather than just filling utility due to the presence of adipose-derived stem cells(ADSCs)that exhibit multipotential differentiation and paracrine characteristics.However,traditional enzymatic isolation of ADSCs is often difficult in clinical settings,limiting its application.Recently,with the development of mechanical techniques for preparation of lipoaspirates,bioactive adipose tissue can be successfully identified and isolated.Such components with therapeutic potential might also be helpful in tissue repair and regeneration.In this article,we introduced several types of mechanized lipoaspirates derivatives(such as emulsified fat,adipose extracellular matrix(ECM),and cell-free extraction)and their applications from bench to bedside. 展开更多
关键词 Adipose-derived stem cells emulsified fat extracellular matrix cell-free extraction
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负载无细胞脂肪提取物的rhCol Ⅲ水凝胶促进大鼠脊髓损伤修复
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作者 杨标 吴中桓 +2 位作者 李廷栋 姜福贵 伍骏锋 《神经解剖学杂志》 CAS 2024年第5期572-580,共9页
目的:探讨缓释无细胞脂肪提取物(CEFFE)的重组人Ⅲ型胶原蛋白(rhCol Ⅲ)水凝胶对脊髓损伤(SCI)的修复效果。方法:制备rhCol Ⅲ水凝胶并在其中添加CEFFE,形成可缓释CEFFE的rhCol Ⅲ水凝胶复合支架。选用大鼠制备SCI半切模型,随机分为3组:... 目的:探讨缓释无细胞脂肪提取物(CEFFE)的重组人Ⅲ型胶原蛋白(rhCol Ⅲ)水凝胶对脊髓损伤(SCI)的修复效果。方法:制备rhCol Ⅲ水凝胶并在其中添加CEFFE,形成可缓释CEFFE的rhCol Ⅲ水凝胶复合支架。选用大鼠制备SCI半切模型,随机分为3组:SCI组、rhCol Ⅲ组和rhCol Ⅲ/CEFFE组。结果:RhCol Ⅲ/CEFFE水凝胶具有三维多孔互连结构与合适的弹性模量,并且可以持续释放CEFFE。与其他组相比,rhCol Ⅲ/CEFFE组的运动功能得到显著改善;苏木精和伊红(HE)染色显示脊髓组织连续性更完整;酶联免疫吸附试验(ELISA)、牢固蓝(LFB)染色与免疫荧光结果显示RhCol Ⅲ/CEFFE水凝胶能够抑制炎症因子的表达,促进小胶质细胞向M2型转变,减少胶质疤痕的形成,并促进神经元分化,同时促进轴突再生与髓鞘形成。结论:rhCol Ⅲ/CEFFE水凝胶可重塑抑制性微环境,促进神经再生与神经网络形成,并最终有利于神经功能的恢复。 展开更多
关键词 脊髓损伤 无细胞脂肪提取物 重组人Ⅲ型胶原蛋白 神经再生 大鼠
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