Faulty gene linked to chronic leukaemia

Researchers have discovered that a faulty gene may be responsible for many cases of chronic lymphocytic leukaemia, the commonest form of leukaemia in older people.

It is already known that patients with the rare genetic disorder ataxia telangiectasia are more susceptible to lymphoid malignancies, probably because they have inherited two inactive versions of the ATM gene, and therefore damaged cells …