CDK5R1 and Alzheimer disease: Recently, nuclear enriched abundant transcript 1 (NEAT1), metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), and HOX antisense intergenic RNA (HOTAIR) have been reported as lncRNAs that regulate cyclin-dependent kinase 5 regulatory subunit 1 (CDK5R1) gene via miR-15/107 family in AD brain tissue [98].