Of DC-SCRIPT are associated with reduced tumor aggressiveness. The association is particularly strong for small tumors with high ESR1 or low ESR2 mRNA levels or both. Finally, although DC-SCRIPT negatively regulates ESR1 and PGR activity, DC-SCRIPT levels measured in theSieuwerts et al. Breast Cancer Research 2010, 12:R103 http://breast-cancer-research.com/content/12/6/RPage 9 ofprimary tumors are