“…Twelve SNPs (variations in single base pairs in a DNA sequence) were selected based on previous reports and information from NCBI dbSNP and HapMap database [CHB database, HapMap phase version 3, release 27 (2009, February)], in an attempt to cover the majority of the SPP1 gene region by linkage disequilibrium (LD). Among the 12 SNPs, 1 tag SNP (rs2853749) was selected using the HapMap database with the software as previously described, and 11 SNPs (rs2728127, rs2853744, rs11730582, rs11439060, rs11728697, rs6840362, rs4754, rs1126616, rs4660, rs1126772, and rs9138) were previously reported ( 25 – 33 ). Ten of these have functional potential (rs2728127, rs2853744, rs11730582, rs11439060 in the 5′ near gene; rs11728697, rs4754, rs1126616, rs4660 in coding region; rs1126772, rs9138 in 3′-untranslated region).…”