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EFFECTS OF INOSITOL HEXAPHOSPHATE (IP_6) ON CELL CYCLE OF HT-29 HUMAN COLON CARCINOMA CELL LINE / 营养学报
Acta Nutrimenta Sinica ; (6)1956.
Article in Chinese | WPRIM | ID: wpr-561598
ABSTRACT

Objective:

To investigate the effects and mechanisms of inositol hexaphosphate(IP6)on cell cycle of HT-29 human colon carcinoma cell line.

Method:

HT-29 cells were exposed to various concentrations of IP6 for certain time. The effect of IP6 on cells proliferation was evaluated by MTT assay. Flow cytometric analysis was performed for cell cycle progression. Immunocytochemical stain was used to detect the expression of p53 and p21 protein.

Results:

A significant dose-dependent as well as time-dependent growth inhibition was observed in IP6-treated HT-29 cells, and associated with an increase in G1 arrest; Different concentrations of IP6 decreased the abnormal expressions of p53 gene and strongly increased the expression of p21.

Conclusions:

IP6 had an inhibitory effect on proliferation of HT-29 cells .and its mechanisms might be related to many factors, such as inhibiting the abnormal expression of p53 gene, inducing the expression of cell cycle inhibitor p21 which block the cell cycle.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acta Nutrimenta Sinica Year: 1956 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acta Nutrimenta Sinica Year: 1956 Type: Article