A ring of proteins that holds our chromosomes together as they replicate also plays a vital role in stopping DNA damage from leading to cancer, according to new research.

Testicular cancer in families is usually caused by the accumulation of minor genetic changes that have only a small effect on their own, but together can add up to a significant risk.

Scientists have found a way to uncover the secrets behind the development of cancer hidden away amongst vast ‘gene deserts’ in our DNA.