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Effect of Microvascular Endothelial Cells on the Proliferation of Bone Marrow Hematopoietic Stem Cells under Different Culture Conditions / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 594-599, 2019.
Article Dans Chinois | WPRIM | ID: wpr-771914
ABSTRACT
OBJECTIVE@#To investigate the effect of microvascular endothelial cells (MEC) on the proliferation of hematopoictic stem cells (HSC) under different culture conditions in vitro.@*METHODS@#The MEC from lung tissue of C57BL/6 mice and the HSC from bone marrow of GFP mice were used for non-contact co-culture, 2 D contact co-culture, at same time the single MEC and single HSC culture were seted up and were used as control group. The cell counting and CCK-8 method were used to detect and compare the proliferation levels of suspension cells in different groups on day 1, 3, 5 and 7.@*RESULTS@#MEC presented adherent growth. In process of cell culture in vitro, the number of suspension cells in MEC and HSC co-culture group and single HSC culture group increased, the suspension cells in 2D contact and non-contact co-culture groups more early gated into logarithmic growth phase as compared with suspension cells in control group, the proliferation level of suspention cells in 2D contact culture group was higher than that in non-contact co-culture group and single HSC culture group (P<0.05), the proliferation level of suspension cells in non-contact co-culture group was higher than that in single HSC culture group (P<0.05).@*CONCLUSION@#The culture of HSC in vitro can proliferate HSC, MEC can promote the proliferation of HSC, MEC also can promote the HSC proliferation by non-contact co-culture in vitro, which relates with the effect of cytokines secreted from MEC; the effect of MEC and HSC contact co-culture on the proliferation of HSC is stronger than that of non-contact co-culture, which relates with the regulation of cell-cell contact.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Moelle osseuse / Cellules de la moelle osseuse / Cellules souches hématopoïétiques / Cellules endothéliales / Prolifération cellulaire / Souris de lignée C57BL Limites du sujet: Animaux langue: Chinois Texte intégral: Journal of Experimental Hematology Année: 2019 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Moelle osseuse / Cellules de la moelle osseuse / Cellules souches hématopoïétiques / Cellules endothéliales / Prolifération cellulaire / Souris de lignée C57BL Limites du sujet: Animaux langue: Chinois Texte intégral: Journal of Experimental Hematology Année: 2019 Type: Article