JAMES KING-HOLMES / ICRF / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / ICRF / SCIENCE PHOTO LIBRARY
Portrait of British molecular biologists Dr Ian Hart (left) and Dr Richard Vile, who have conducted pioneering research into cancer gene therapy. These scientists from the Imperial Cancer Research Fund in London, UK, have developed a method to "switch on" melanoma cancer cells with a marker gene. Healthy cells treated in the same way remain "switched off". This demonstrates that melanin-producing cancer cells can be specifically targeted and activated. The aim is to use this genetic switch to express an anti-cancer gene which will help the body to destroy melanoma cancer cells. Photographed in February 1993.
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