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近年来 ,人们对脐血的造血特性和免疫特性进行了深入而广泛的研究 ,脐血已被认为是造血干细胞移植的优质供源。但随着临床脐血移植应用的增多 ,最近有报道脐血移植后受者免疫重建延迟〔1〕。这可能与脐血血细胞生成和细胞免疫不成熟有关 ,而这些不成熟又可能与脐血产生某些细胞
In recent years, people have conducted extensive and extensive research on hematopoietic characteristics and immune characteristics of umbilical cord blood, and cord blood has been considered as a good source of donor for hematopoietic stem cell transplantation. However, with the clinical application of umbilical cord blood transplantation increased, recently reported that the recipients of cord blood transplantation delayed immune reconstruction 〔1〕. This may be associated with cord blood hematopoiesis and immature cellular immunity, and these immature and may produce certain cells with cord blood