Influence of different oxygen partial pressures on cytokines secreted from human adipose-derived stem cells / 中国组织工程研究
Chinese Journal of Tissue Engineering Research
;
(53): 7861-7868, 2013.
Artigo
em Chinês
| WPRIM
| ID: wpr-441704
ABSTRACT
BACKGROUND:
Effects of different oxygen partial pressures on cytokine secretion of human adipose-derived stem cells have been differently reported. These differences may be caused by varying oxygen partial pressures.OBJECTIVE:
To investigate the influence of different oxygen partial pressures on cytokines secreted from human adipose-derived stem cells.METHODS:
Human adipose-derived stem cells were cultured in vitro and identified by its immunophenotype. Human adipose-derived stem cells were divided into five groups and cultured under different oxygen partial pressure conditions (1%, 3%, 5%, 10%, 21%) for 24 hours, respectively. With quantitative real-time PCR and enzyme linked immunosorbent assay, the secretion of cytokines, vascular endothelial growth factor, hepatocyte growth factor, nerve growth factor, keratinocyte growth factor, from human adipose-derived stem cells were analyzed on the gene and protein levels. RESULTS ANDCONCLUSION:
Human adipose-derived stem cells were positive for CD71, CD73, CD90, CD105 and negative for CD34, CD45, CD54, HLA-DR. From the aspect of gene level, hypoxia (1%, 3%O 2 ) promoted the expression of vascular endothelial growth factor and nerve growth factor from human adipose-derived stem cells (P0.05). Based on the protein level, protein secretion of hepatocyte growth factor and vascular endothelial growth factor from human adipose-derived stem cells was increased under hypoxia (P<0.01), but no changes occurred in nerve growth factor and keratinocyte growth factor. After cultured under hypoxic environment, human adipose-derived stem cells were promoted to express gene vascular endothelial growth factor, hepatocyte growth factor and nerve growth factor, as wel as to secrete protein keratinocyte growth factor and vascular endothelial growth factor.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Tipo de estudo:
Estudo prognóstico
Idioma:
Chinês
Revista:
Chinese Journal of Tissue Engineering Research
Ano de publicação:
2013
Tipo de documento:
Artigo
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