AMZ1 and osteoporosis: An intronic deletion in AMZ1 (rank 15, dbsv119979, FST = 0.2, 7p22.3) disrupts an enhancer whose targets include AMZ1, which is associated with heel bone mineral density according to the GWAS Catalog, possibly contributing to the increase in tP1NP procollagen levels37 and lower prevalence of osteoporosis observed in Tibetans than in the Han population.