Good fences make good neighbours

Our genome is a patchwork of neighbourhoods that couldn't be more different: Some areas are hustling and bustling with gene activity, while others are sparsely populated and in perpetual lock-down. Breaking down just a few of the molecular fences that separate them blurs the lines and leads to the inactivation of at least two tumour suppressor genes, according to researchers at the Salk Institute for Biological Studies...

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