IGF1 and invasive breast carcinoma: The Breast and Prostate Cohort Consortium (BPC3), a collaboration of large US and European Cohorts, genotyped a total of 1416 SNP’s for 24 genes involved in the IGF-1 pathway in 6,292 Caucasian postmenopausal women with diagnosed BrCa as compared to 8,135 controls and did not find any SNP associations with BrCa risk [39].