Dranoff and Mulligan tested 10 cytokines on several types of tumours in mice. (newscientist.com)
In future, levels of a modified protein present in many types of tumour may help predict whether it is likely to spread. (newscientist.com)
The Harvard researchers have also implicated two cancer - causing viruses: human papilloma virus, which can cause cervical cancer, and Epstein - Barr virus, which infects about 95 per cent of people and has been linked to several types of tumour. (newscientist.com)