CD44是属于黏附因子家族的跨膜糖蛋白，它广泛表达于多种内皮细胞、间充质细胞、造血干细胞及中胚层来源的细胞和组织。
CD44 is a family of trans-membrane glycoprotein that is widely expressed in many tissues derived from epithelial, mesenchymal, hematopoietic and mesodermal origins.
结论：蚕丝蛋白生物支架具有良好的三维空间结构和生物降解性，人脐带间充质干细胞接种于蚕丝蛋白生物支架可用于组织工程化脂肪组织的研究；
Conclusions The silk fibroin scaffold is a new type of scaffold with 3D space structure and good biodegradation. hUCMSCs could be used in the research of tissue engineering adipose.
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