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Apoptosis-inducing effect of vp3 gene on human breast carcinoma / 中国普通外科杂志
Chinese Journal of General Surgery ; (12)2001.
Article in Chinese | WPRIM | ID: wpr-525885
ABSTRACT
Objective To construct recombinant plasmid pcDvp3 and observe the apoptosis-inducing effect of vp3 gene on human breast cancer cell line-435. Methods (1) vp3 gene was cloned into the plasmid pcDNA3.1 to form the recombinant plasmid pcDvp3. Then the nucleotides sequencing was processed. (2) 48h after transfection of pcDvp3 and pcDNA3.1 into breast cancer cell lines-435,optical microscopy, electric-microscopy, agarose electrophoresis and flow cytometry were used to verify apoptosis of tumor cells.(3)Nude mouse model of human breast cancer cells -435 was established to observe the tumor-inhibiting rate and TUNEL was adopted to identify apoptosis. Results (1) Sequence analysis justified the recombination of plasmid pcDvp3. (2) 48h after transfection into breast cancer cells-435, distinct morphological transformation and typical apoptosis bodies were observed, agarose electrophoresis of genomic DNA showed typical ladder-like pattern and flow cytometry analysis showed apoptosis peaks with the percentage of 14.42%. (3) Tumor-inhibiting rates in pcDvp3 groups were 65.52% and 68.23%, much higher than that in pcDNA3.1 group(t=4.06,P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of General Surgery Year: 2001 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of General Surgery Year: 2001 Type: Article