Private haplotypes in individuals with diverticulosis included MMP3 −1715 5A/5A|MMP9 −1562 C/T|MMP12 −82 G/G (2%) and MMP3 −1715 6A/6A|MMP9 −1562 C/T|MMP12 −82 A/G (2%). This evidence concerns the gene MMP12 and diverticular disease.