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Study of GE7-transferring system mediated ?-galactosidase gene transfer in a rat model of ovarian tumor by intraarterial route / 中华妇产科杂志
Chinese Journal of Obstetrics and Gynecology ; (12)2001.
Artigo em Chinês | WPRIM | ID: wpr-572186
ABSTRACT
Objective To investigate the efficiency and targeting of the GE7 system mediated gene transfer in the chemically induced ovarian tumor by intraarterial route. Methods Animal models were chemically induced by 7,12-dimethylbenz [ a] anthracene ( DMBA ) . GE7-polylysine/p-galactosidase ( ?-gal)/polylysine-HA20 complexes were constructed. Fifteen rats with induced ovarian tumor were divided into three groups, the complexes were injected through ovarian artery and tail vein, respectively. The tumor, heart, liver, spleen, lung and kidney were obtained at 72 h. X-gal staining was used to check expression of ?-gal. Results ?-gal was expressed strongly and well-distributed in tumor in the first group, and stained blue in the liver, spleen, lung and kidney, but much weaker than that of tumor. In the second group, ?-gal was expressed in the tumor,and weakly expressed in the liver, none was detected in the other organs. In the third group ?-gal was detected in the lung slightly, none was detected in the tumor and other organs. Conclusions When GE7 complexes were administrated through ovarian artery, the introduced gene expressed preferentially in ovary. This result was the basis of intraarterial administration of therapeutic gene to treat ovarian cancer.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Obstetrics and Gynecology Ano de publicação: 2001 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Obstetrics and Gynecology Ano de publicação: 2001 Tipo de documento: Artigo