Overexpression of repetitive DNA sequences discovered in common tumour cells

Massachusetts General Hospital (MGH) Cancer Centre researchers have discovered a previously unknown feature of common tumour cells - massive overexpression of certain DNA sequences that do not code for proteins. These DNA sequences - called satellite repeats - have been studied for their role in chromosomal structure but previously were not suspected of having a role in cancer. The report will appear in the journal Science and is receiving early online release...

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