脐血移植有核细胞重建时间与输入的有核细胞数以及疾病类型相关，同HLA相合程度不相关。
The time of nuclear cell reconstitution after cord blood transplantation was statistically related with nucleated cells and the type of disease, not related with HLA matching.
但同细胞核转基因一样，叶绿体转基因也存在抗生素标记的生物安全性和外源基因的过量表达对植物正常生长发育的影响的问题。
But the same as nuclear transformation, plastid transformation also has the problems of bio-safety of antibiotic markers and development obstacles due to the overexpression of foreign gene.
当HRP注入丘脑腹侧基底核时，在同侧扣带回前部观察到标记的细胞，标记细胞密度背侧区比腹侧区高。
Using HRP labeling techniques, we have demonstrated that there was a direct projection from anterior cingulate cortex to ventrobasal nucleus of the thalamus in the rat brain.
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