sharks blood could fight breast cancer.the predators carry unique protein IgNAR which halts big c cell growth. 2 molecoles-HER2 and HER3- are found on cancer cells and when joined together they signal to those cells to grow and spread IgNAR antibodies are small enough to bind to the molecules and stop the signal.source-study leader dr.helen dooley-aberdeen university.fron the paper the sun dated friday 26th september 2013
