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回复 343790422 的帖子5 B% q7 M: A4 W( p8 G# I4 D
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. }9 I/ N; S( [5 g6 cHuman placenta and chorion: potential additional sources of hematopoietic stem cells for transplantation.
$ W1 h5 k- O2 H$ k8 e. tdoi: 10.1111/j.1537-2995.2011.03372.x.
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里面提到:6 T- M7 K% D, [% n: Q
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胎盘中获得的HSC更原始(The presence of primitive hematopoietic progenitors/HSCs in the chorionic membrane is a new finding and it might be due to the common developmental origin of this membrane and the placenta, thus permissive/supportive niches would develop in both extraembryonic tissues. )
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另外量还是多的:In one specimen of term placenta (sample D, Table 1), we were able to obtain UCB, chorion, and the blood that washes out of the placenta prior the tissue processing. The numbers of CD34+CD45+ cells in these tissues obtained by FACS were: 1.5×10^6 from 72 ml of UCB, 5.8×10^4 from 150 ml of placental blood, 12.2 ×10^6 from the placenta weighting 590 g and 1 ×10^6 from a portion of the chorionic membrane weighting 55 g.; r7 H1 t% s+ L4 T9 n# {$ c4 u( i7 O
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还有一点,两份脐带血应用范围比较窄,所以寻找高含量HSC的提取部位仍然是有巨大的应用意义的:Note the abundance of non-malignant hematological and non-hematological diseases that would not benefit from double UCB transplant, but could be treated with an increased pool of HSCs obtained by a single donor., h; f, L7 g- K3 F$ m
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