DNA-coated nanotubes help kill tumors without harm to surrounding tissue

Carbon nanotubeWINSTON-SALEM, N.C. – Researchers at Wake Forest University School of Medicine have destroyed prostate cancer tumors in mice by injecting them with specially-coated, miniscule carbon tubes and then superheating the tubes with a brief zap of a laser.

The procedure, which used DNA-encased, multi-walled carbon nanotubes (MWCNTs) to treat human prostate cancer tumors in mice, left only a small burn on the skin that healed within days.

"That we could eradicate the tumor mass and not harm the tissue is truly amazing," said principal investigator William H. Gmeiner, Ph.D., a professor of cancer biology at the School of Medicine.

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