TRIM3 and glioblastoma: Indeed, tumors ASIII 098 and GBM 164 showed heterozygosity at SNP markers rs11605881 and rs11607224 located in the TRIM3 promoter and in exon1, respectively, whereas analysis of markers rs16913748 and rs11605141 of TRIM3 intron 6 revealed heterozygosity in GBM 157 (Fig. 2).