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The Nobel Prize in Medicine in 2009 was awarded to Elizabeth Blackburn, Carol Greider and Jack Szostak for discovering the molecular structure of the far ends of chromosomes, called telomeres (Fig. 1), and how these protect chromosomes from degradation. Their discoveries shed light on a basic biological mechanism which stimulated research in a new exciting field aiming to explore the role of telomeres in normal ageing, cancer and age-related disease pathology.
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Salpea et al. (2009) studied this question.
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