Cancer vaccine success

A cancer vaccine carried into the body on a carefully engineered, fingernail-sized implant is the first to successfully eliminate tumors in mammals, scientists report this week (Nov. 25) in the journal Science Translational Medicine.

The new approach, pioneered by bioengineers and immunologists at Harvard University, uses plastic disks impregnated with tumor-specific antigens and implanted under the skin to reprogram the mammalian immune system to attack tumors. The journal article describes the use of such implants to eradicate melanoma tumors in mice.

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Most cancer cells easily skirt the immune system, which operates by recognizing and attacking invaders from outside the body. The approach developed by Mooney’s group redirects the immune system to target tumors, and appears both more effective and less cumbersome than other cancer vaccines currently in clinical trials.

Conventional cancer vaccinations remove immune cells from the body, reprogram them to attack malignant tissues, and return them to the body. However, more than 90 percent of…………

Read More» Cancer vaccine success | Harvard Gazette.

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