Objective: to expand CD56 + cytotoxic lymphocytes from human umbilical cord blood mononuclear cells (CBMC).
目的：从人脐血单个核细胞(CBMC)中高效扩增CD 56 +细胞毒性淋巴细胞。
Human umbilical cord blood (UCB) has plenty of hematopoietic stem cells (HSCs) and can be used in the cure of leukaemia, malignancy and thalassemia major.
脐血中含有丰富的造血干细胞，可以治疗白血病、恶性肿瘤、重型地中海贫血等多种疾病。
Objective To explore whether mesenchymal stem cells could be isolated from human umbilical cord blood and would be able to differentiate into chondroblast in vitro.
目的：探讨人脐带血间充质干细胞存在及体外向成软骨细胞分化的可能性。
Methods Human umbilical cord blood hematopoietic cells were irradiated with copper vapour laser and cultured in vitro. The number of colony and cells was calculated.
方法用铜蒸气激光照射人脐带血造血细胞，体外培养扩增细胞并计数集落细胞数。
Conclusion Human umbilical cord blood stromal cells and bone marrow stromal cells possess the capability of secreting hematopoietic growth factor, but with varied concentrations.
结论人脐血基质细胞与骨髓基质细胞都具有分泌支持造血生长因子的能力，但是分泌量之间有差异。
Mesenchymal stem cell (MSC), originating from mesoblast, resides mainly in post-natal bone marrow as well as human umbilical cord blood, and coexists with hematopoietic stem cell (HSC).
间充质干细胞（MSC）起源于中胚层，主要位于成体骨髓和人胎儿脐血，与造血干细胞共存。
Proliferative effect of low energy laser and colony stimulating factor (CSF) on human umbilical cord blood hematopoietic cells was observed in vitro with copper vapour laser irradiation.
本研究用铜蒸气激光照射人脐带血造血细胞，观察低能量激光与集落刺激因子(CSF)对造血细胞的增殖作用。
OBJECTIVE:To investigate the feasibility and the mechanism of mesenchymal stem cells(MSCs) derived from human umbilical cord blood(HUCB) in the treatment of rats with Parkinson disease(PD).
目的：探讨应用人脐血间充质干细胞治疗大鼠帕金森病的可行性及其机制。
To investigate the effect of intravenous administration of human umbilical cord blood cells (HUCBCs) on behavioral improvement and cerebral special protein in serum of vascular dementia rats.
观察静脉输注人脐血细胞对血管性痴呆大鼠的行为学改善以及对血清脑特异性蛋白的影响。
AIM: To investigate the effect of intravenous administration of human umbilical cord blood cells (HUCBCs) on behavioral improvement and cerebral special protein in serum of vascular dementia rats.
目的：观察静脉输注人脐血细胞对血管性痴呆大鼠的行为学改善以及对血清脑特异性蛋白的影响。
AIM: To investigate the effect of intravenous administration of human umbilical cord blood cells (HUCBCs) on behavioral improvement and cerebral special protein in serum of vascular dementia rats.
目的：观察静脉输注人脐血细胞对血管性痴呆大鼠的行为学改善以及对血清脑特异性蛋白的影响。
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