Various genes (HLA-DR[7], [8], PARK2/PACRG[9], LTA[10], TLRs[11], [12], etc.)and genomic regions (10p13 [13], 6q25–26 [14], 6p21 [14], 17q11–q21 [15], 20p13 [16], etc.)of human genome have been associated with or linked to leprosy (or a particular clinical form of leprosy) by candidate gene association studies or genome-wide linkage analysis. This evidence concerns the gene LTA and leprosy.