sentence: For example , the EUGENE gene-based P-value for GSTM2 was 6.6 × 10 , while the best individual eQTL showed more moderate association with breast cancer risk ( GCTA-COJO conditional association P = 4.1 × 10 ; five of the 14 sentinel eQTL tested for this gene were nominally associated with disease risk ( Supplementary Data 11 ) .