http://www.medicalnewstoday.com/medicalnews.php?newsid=75870&nfid=al+
"Remarkably, the researchers found that the immune signatures of each of the human breast cancer cases nearly matched that of mice. In all cases, the researchers saw a suppression of CD83 and CD28, two genes that affect activation of immune cells, and over-production of B7-H4, a gene whose protein product inhibits immune activation."