Scientists have reportedly discovered a rare variant of a protein found in human cells which could revolutionise breast cancer treatment.
Experts believe that by targeting the variant - known as RAC1B - the treatment effectiveness could "dramatically boost" Researchers from the University of Manchester believe RAC1B couple play a key role in making cancerous cells resistant to treatment.
They also discovered that when this protein variant is not present, tumours wouldn't form and not cause any harmful effects on organs.