LONG-TERM GENERATION OF COLONY-FORMING CELLS (CFC) FROM CD34+ HUMAN UMBILICAL-CORD BLOOD-CELLS

被引：21

作者：

DURAND, B ^{[1
]}

EDDLEMAN, K ^{[1
]}

MIGLIACCIO, AR ^{[1
]}

MIGLIACCIO, G ^{[1
]}

ADAMSON, JW ^{[1
]}

机构：

[1] NEW YORK BLOOD CTR,LINDSLEY F KIMBALL RES INST,310 E 67TH ST,NEW YORK,NY 10021

来源：

LEUKEMIA & LYMPHOMA | 1993年 / 11卷 / 3-4期

关键词：

COLONY-FORMING CELLS; CD34+ CELLS; HUMAN UMBILICAL CORD BLOOD; STEM CELL FACTOR;

D O I：

10.3109/10428199309087003

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Human umbilical cord blood cells represent a potential alternative to bone marrow as a source of stem and progenitor cells for allogeneic transplantation. Therefore, many studies are underway to evaluate the number of cord blood stem cells and their amplification potential. We analyze here the amplification potential of CD34+ cord blood cells in liquid cultures stimulated with stem cell factor (SCF) in combination with interleukin-3 (IL-3), erythropoietin (Epo) or granulocyte colony-stimulating factor (G-CSF) under serum-deprived conditions. We report that under certain circumstances (stimulation with SCF and IL-3, replacing of the medium and growth factors every 3-4 days, no change of the initial culture flask, 37-degrees-C as incubation temperature), CD34+ cells give rise to differentiated cells and progenitor cells for more than two months. During this period, more than 10(10) differentiated cells and 10(6) progenitor cells are generated from 0.25 - 1 x 10(4) CD34+ cells in the absence of a stromal layer. These data highlight the high proliferative and differentiative potential of cord blood stem cells and, because the culture procedures are relatively simple and do not require a stromal layer, open the way to the clinical use of ex vivo stem cell expansion.

引用

页码：263 / &

共 34 条

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