What I got out of the article was that the approach here seems to be that you create a small number of improved t-cells and inject them. Then these improved t-c

What I got out of the article was that the approach here seems to be that you create a small number of improved t-cells and inject them. Then these improved t-cells will respond correctly upon contact with cancer cells. At that point they will multiply to meet the required demand. The initial injection would be more like a vaccine than a drug.