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Biotech / Medical : Ionis Pharmaceuticals (IONS) -- Ignore unavailable to you. Want to Upgrade?


To: Daniel Martineau who wrote (1897)4/6/1998 9:43:00 PM
From: Perry  Read Replies (2) | Respond to of 4676
 
Daniel thanks for your response. I agree that cancer promotion and progression involves numerous mutational events, however there is not doubt that certain key mutations in tumor suppressor genes (e.g. p53 mutations in lung cancer) and oncogenes (e.g. K-ras mutations in various organs) can be specifically targeted. These mutations are hypothesized to be the critical determinants for many cancers and if ISIS can block the over activity of oncogenes, which are responsible for unregulated tumor proliferation we may yet have a stock worth holding for years to come. In fact ISIS has performed numerous studies that have specifically targeted the mutational hot spots of ras gene/mRNA and have proved that antisense can not only bind specifically to this region but can also significantly reduce tumor cell growth. Only time will tell if antisense is a viable technology, but I'm putting my money where my mouth is, but I'm not holding my breath.

Good luck,
Perry