Scientists have known for awhile that if a healthy cell, say from your eye, breaks off and tries to move around the body, it self destructs. So why can some cancer cells break off a tumor and move through the body and spread cancer in its wake?
Researchers in Spain have discovered the culprit, a molecule called CD36. Cancer cells that can travel through the body produce CD36 and it helps them use lipids or fat to fuel the trip. The result – breast cancer spreads to the brain.
Researchers are working on treatments that stop CD36. They are also researching the role diet can play.