Abstract:
:We examined the antitumor effect and safety of the adenovirus-mediated expression of antisense K-ras RNA in two peritoneal dissemination models of pancreatic cancer. First, we found that the infection of an adenovirus vector expressing antisense human K-ras RNA (AxCA-AS) induced significant apoptosis in vitro in human pancreatic cancer cells with K-ras mutation. Second, the intraperitoneal (ip) injection of AxCA-AS effectively suppressed the growth of human pancreatic cancer cells in the peritoneal cavity of nude mice. Third, in the hamster syngeneic peritoneal dissemination model, the ip injection of an adenovirus expressing antisense hamster K-ras RNA significantly suppressed the peritoneal growth of hamster pancreatic cancer cells, and no significant systemic toxicity was observed in the treated hamsters. This study suggests a feasibility of the development of a therapeutic strategy against pancreatic cancer based on the adenovirus-mediated transduction of an antisense K-ras construct.
journal_name
Cancer Lettjournal_title
Cancer lettersauthors
Miura Y,Ohnami S,Yoshida K,Ohashi M,Nakano M,Ohnami S,Fukuhara M,Yanagi K,Matsushita A,Uchida E,Asaka M,Yoshida T,Aoki Kdoi
10.1016/j.canlet.2004.08.015keywords:
subject
Has Abstractpub_date
2005-01-31 00:00:00pages
53-62issue
1eissn
0304-3835issn
1872-7980pii
S0304-3835(04)00637-8journal_volume
218pub_type
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