HTR5A and Alzheimer disease: We found 9 lncRNAs (BABAM2-AS1, LINC01101, HTR5A-AS1, PEG13, FAM27E3, H19, PCCA-DT, SNHG1, and GNAS-AS1) within or near differentially methylated AD-associated ICRs in NHBs and only one lncRNA (GNAS-AS1) in NHWs, all of which are linked to brain development.