{"id":959,"slug":"医美机构说的-干细胞脂肪移植-用的到底是不是真正的脂肪干细胞","question":"医美机构说的\"干细胞脂肪移植\"，用的到底是不是真正的脂肪干细胞？","intent":"informational","language":"zh","url":"https://worldwiki.io/q/医美机构说的-干细胞脂肪移植-用的到底是不是真正的脂肪干细胞","entity":{"slug":"stem-cell-fat-grafting","name":"Stem Cell Fat Grafting","url":"https://worldwiki.io/entity/stem-cell-fat-grafting"},"answer":{"short_answer":"不一定。脂肪干细胞在共识定义里指经酶消化从脂肪组织中获得、并在体外贴壁培养、连续传代的细胞群；而抽脂后当场处理得到的SVF（基质血管成分）是未经培养的混合成分，脂肪干细胞只是其中的少数细胞群。判断的关键是细胞有没有经过体外培养扩增，以及有没有细胞鉴定报告。[3][4]","detailed_answer":"<p>2013年IFATS/ISCT联合声明把培养后的脂肪干细胞界定为贴壁生长、可连续传代的多能细胞群，表面标志为CD73、CD90、CD105、CD44阳性，CD45、CD31阴性，并提到CD36的表达有助于与骨髓间充质干细胞区分。[3]</p><p>与之相对，SVF是抽脂脂肪去除成熟脂肪细胞后剩下的混合细胞成分，脂肪干细胞在其中只占少数，通常需要培养扩增才能得到相对纯化的细胞产品。[3][4]</p><p>因此面诊时可以直接问三句话：细胞是当天处理后回输，还是送实验室培养若干天后再用？有没有细胞表面标志物的检测报告？所用制剂是已获批的细胞药品，还是机构内部的操作？[4][5]</p>","format":"paragraph","confidence":75,"verified_at":null,"updated_at":"2026-09-20 17:11:10"},"sources":[{"id":244,"title":"Adipose-derived mesenchymal stromal/stem cells: An update on their phenotype in vivo and in vitro","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4131268/","publisher":"World Journal of Stem Cells (via PubMed Central)","type":"journal","accessed_at":"2026-09-19 18:00:18"},{"id":245,"title":"Adipose Stem Cells: From Bench to Bedside","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4819109/","publisher":"Stem Cells International (Ferraro, Mizuno, Pallua; via PubMed Central)","type":"journal","accessed_at":"2026-09-19 18:00:19"},{"id":101,"title":"Mesenchymal Stem Cell Therapies Approved by Regulatory Agencies around the World (Fernández-Garza LE, et al., Pharmaceuticals 16(9):1334)","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10536665/","publisher":"Pharmaceuticals (MDPI)","type":"journal","accessed_at":"2026-09-19 18:01:27"}],"published_at":"2026-09-20 08:11:10"}