[algore]

not exactly, the idea is that you can make the body look for and destroy a certain protein that is unique to the cancer cells.

You do this by making the non-cancerous cells produce this protein.

In theory anyway. fortunately we will soon have a bunch of data on how this stuff works in real life.

[The Duke]

"... but it does give rise to an error in replication so that the newly formed DNA strand carries the mutation and you've got a virus again. But, uh, this-- all of this is academic."

-Blade Runner, 1982