Primary Mechanisms of CD34CD38--KG1a Leukemia Stem Cells Apoptosis Induced by FA-2-b-β Extracted from Qinba Selenium- Mushroo / 中国实验血液学杂志
Journal of Experimental Hematology
;
(6): 1761-1766, 2019.
Artigo
em Chinês
| WPRIM
| ID: wpr-781400
ABSTRACT
OBJECTIVE@#To investigate the apoptosis of CD34CD38-KG1a leukemia stem cells induced by Qinba selenium-mushroom extract(FA-2-b-β), and its related mechanism.@*METHODS@#CD34CD38--KG1a cells were isolated from KG1a cell line by magnetic activated cell sorting. The proliferation ability of KG1a stem cells treatd by various concentration of FA-2-b-β(1.2-2.4 mg/ml) in vitro for 24 and 48 hours were tested by cell counting Kit-8(CCK8). Flow cytometry was used to detect the apoptosis rate of KG1a stem cells in each group after treated by FA-2-b-β in vitro. Expression of BAX,BCL-2,Casepase-3 and Cyclin D1 protein were detected by Western blot.@*RESULTS@#The proportion of CD34CD38--KG1a stem cells was (95.35±2.63)% after immunomagnetic isolation. The proliferation of KG1a stem cells was inhibited significantly by FA-2-b-β, which shows a time- and dose-dependent manner (24 h,r=0.943; 48 h,r=0.976). Flow cytometry shows that with the increasing of drug concentration, the apoptosis was also increased, when KG1a stem cells was treated by FA-2-b-β for 24 h. Western blot indicated that the expression of apoptosis-related protein BAX and Casepase-3 were up-regulated, the expression of BCL-2 and Cyclin D1 were down-regulated.@*CONCLUSION@#FA-2-b-β can regulate proliferation and apoptosis KG1a stem cells, the involved mechanism may be related with the activation of mitochondrial-mediated apoptotic pathway.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Selênio
/
Células-Tronco Neoplásicas
/
Glicoproteínas de Membrana
/
Apoptose
/
Antígenos CD34
/
Linhagem Celular Tumoral
/
Proliferação de Células
/
ADP-Ribosil Ciclase 1
Limite:
Humanos
Idioma:
Chinês
Revista:
Journal of Experimental Hematology
Ano de publicação:
2019
Tipo de documento:
Artigo
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