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Immunogenic apoptosis of human Caski cervical cancer cells induced by Lidamy-cin / 中国免疫学杂志
Chinese Journal of Immunology ; (12): 1437-1440, 2016.
Article in Chinese | WPRIM | ID: wpr-504359
ABSTRACT

Objective:

To investigate effects of Lidamycin (LDM,C-1027) on the proliferation and immunogenic transform of human Caski cervical cancer cells and to provide the basic experiment data and theoretical supports for establishment of the new immu-notherapy method mediated by LDM.

Methods:

MTT was used for the analysis of cell proliferation;apoptosis rate was analyzed by flow cytometry;Western blot was used to analyze the effect of LDM on the expression of Bax and Bcl-2 in Caski cells;the Flow cytometry was used to detect the expression of Calreticulin ( CRT ) on the cell surface.

Results:

Lidamycin inhibited proliferation of Caski cells significantly in the time-and dose-dependent manners;The apoptotic cell ratio induced by 5 μg/L Lidamycin was 11. 5% ,Comparing with the control group, Lidamycin treatment increased Bax but decreased Bcl-2 contents significantly within Caski cells, it also significantly increased the expression of CRT on the cell surface of Caski cells from 2. 31% to 67. 2%.

Conclusion:

Lidamycin has pharmacological activity in inhibiting proliferation of the human cervical Caski cells and the underlying mechanism is related with inducing the intrinsic mitochondrial pathway of apoptosis. In the same time,Lidamycin can increase the expression of CRT on the cell surface,so it may have the ability to promote the immunogenic apoptosis of tumor cells.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Immunology Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Immunology Year: 2016 Type: Article