Cancer Research UK scientists have uncovered a new strategy that could be used by cancer cells to side step the body's normal safety checks and become immortal - a key step for a cancer cell - according to a study published in Nature.* The strategy involves cells topping up their biological clock by making copies of spare DNA found elsewhere in the genome to replace the protective caps - called telomeres - usually found at the ends of chromosomes. In most cells of the body, telomeres shorten each time the cell divides... 
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