人外周血单核细胞培养后的细胞群提高了人脂肪移植的存活率!

2021-04-19 MedSci原创 MedSci原创

质量-数量培养是为期1周的细胞培养,可增加外周血单核细胞(PBMNC)的血管生成潜力。

脂肪移植待解决的难题,该如何提高所移植脂肪存活率?如何改善移植物缺血情况?建立早期血管网的几种主流策略主要是细胞富集、于术前、术中或术后通过外部抽吸来调整受体组织和将移植物与无细胞脂肪基质结合。 质量-数量培养是为期1周的细胞培养,可增加外周血单核细胞(PBMNC)的血管生成潜力。MNC-QQ的生产简单,成本低廉,利于推广。 这种体内小鼠模型研究了高质量和高数量培养的人单核细胞(MNC-QQ)的富集是否能改善人脂肪移植物中的血管形成,以及这是否能减少组织损失。 这项研究首先通过内皮祖细胞集落形成和培养试验,体外比较外周血单核细胞、单核细胞-巨噬细胞和重量持久性的血管生成潜力。而后,在移植到BALB/c裸鼠之前,用1 × 106 PBMNC (n = 16)、1 × 106 MNC-QQ (n = 16)、1 × 106基质血管部分(n = 16)或磷酸盐缓冲盐水作为对照(n = 16)制备0.25g脂肪移植物。通过定量PCR分析、移植物的重量持久性、CD31免疫组织化学的血管形成和血管生成标志物来评估移植效果。 与外周血单核细胞和基质血管成分相比,外周血单核细胞能够形成更明确的内皮祖细

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    2021-04-20 ZJYYY7

    进步~

    0

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    2021-04-20 ZJYYY7

    emmmm

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