Gene therapy research. Dr Ian Hart (left) and Dr Richard Vile analyse human DNA sequences prepared by the technique of gel electrophoresis. A pattern of black bands (foreground) reveals the structure of gene sequences in DNA. 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". By specifically targeting cancer cells,these two scientists now aim to use the genetic switch to express an anti-cancer gene which will help the body to destroy the melanoma cancer cells | |
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