PMID- 25873928 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20150415 LR - 20200929 IS - 1664-5464 (Print) IS - 1664-5464 (Electronic) IS - 1664-5464 (Linking) VI - 5 IP - 1 DP - 2015 Jan-Apr TI - Association between DNA Methylation of the BDNF Promoter Region and Clinical Presentation in Alzheimer's Disease. PG - 64-73 LID - 10.1159/000375367 [doi] AB - BACKGROUND/AIMS: In the present study, we examined whether DNA methylation of the brain-derived neurotrophic factor (BDNF) promoter is associated with the manifestation and clinical presentation of Alzheimer's disease (AD). METHODS: Of 20 patients with AD and 20 age-matched normal controls (NCs), the DNA methylation of the BDNF promoter (measured using peripheral blood samples) was completely analyzed in 12 patients with AD and 6 NCs. The resulting methylation levels were compared statistically. Next, we investigated the correlation between the DNA methylation levels and the clinical presentation of AD. RESULTS: The total methylation ratio (in %) of the 20 CpG sites was significantly higher in the AD patients (5.08 +/- 5.52%) than in the NCs (2.09 +/- 0.81%; p < 0.05). Of the 20 CpG sites, the methylation level at the CpG4 site was significantly higher in the AD subjects than in the NCs (p < 0.05). Moreover, the methylation level was significantly and negatively correlated with some neuropsychological test subscores (registration, recall, and prehension behavior scores; p < 0.05). CONCLUSION: These results suggest that the DNA methylation of the BDNF promoter may significantly influence the manifestation of AD and might be associated with its neurocognitive presentation. FAU - Nagata, Tomoyuki AU - Nagata T AD - Department of Psychiatry, The Jikei University School of Medicine, Tokyo, Japan ; Division of Molecular Genetics, Institute of DNA Medicine, The Jikei University School of Medicine, Tokyo, Japan. FAU - Kobayashi, Nobuyuki AU - Kobayashi N AD - Department of Virology, The Jikei University School of Medicine, Tokyo, Japan. FAU - Ishii, Jumpei AU - Ishii J AD - Department of Psychiatry, The Jikei University School of Medicine, Tokyo, Japan. FAU - Shinagawa, Shunichiro AU - Shinagawa S AD - Department of Psychiatry, The Jikei University School of Medicine, Tokyo, Japan. FAU - Nakayama, Ritsuko AU - Nakayama R AD - Division of Molecular Genetics, Institute of DNA Medicine, The Jikei University School of Medicine, Tokyo, Japan. FAU - Shibata, Nobuto AU - Shibata N AD - Department of Psychiatry, Juntendo University School of Medicine, Tokyo, Japan. FAU - Kuerban, Bolati AU - Kuerban B AD - Department of Psychiatry, Juntendo University School of Medicine, Tokyo, Japan. FAU - Ohnuma, Tohru AU - Ohnuma T AD - Department of Psychiatry, Juntendo University School of Medicine, Tokyo, Japan. FAU - Kondo, Kazuhiro AU - Kondo K AD - Department of Virology, The Jikei University School of Medicine, Tokyo, Japan. FAU - Arai, Heii AU - Arai H AD - Department of Psychiatry, Juntendo University School of Medicine, Tokyo, Japan. FAU - Yamada, Hisashi AU - Yamada H AD - Division of Molecular Genetics, Institute of DNA Medicine, The Jikei University School of Medicine, Tokyo, Japan. FAU - Nakayama, Kazuhiko AU - Nakayama K AD - Department of Psychiatry, The Jikei University School of Medicine, Tokyo, Japan. LA - eng PT - Journal Article DEP - 20150304 PL - Switzerland TA - Dement Geriatr Cogn Dis Extra JT - Dementia and geriatric cognitive disorders extra JID - 101564825 PMC - PMC4376924 OTO - NOTNLM OT - Alzheimer's disease OT - BDNF OT - Brain-derived neurotrophic factor OT - DNA methylation OT - Epigenetics OT - Neurotrophic factors EDAT- 2015/04/16 06:00 MHDA- 2015/04/16 06:01 PMCR- 2015/03/04 CRDT- 2015/04/16 06:00 PHST- 2015/04/16 06:00 [entrez] PHST- 2015/04/16 06:00 [pubmed] PHST- 2015/04/16 06:01 [medline] PHST- 2015/03/04 00:00 [pmc-release] AID - dee-0005-0064 [pii] AID - 10.1159/000375367 [doi] PST - epublish SO - Dement Geriatr Cogn Dis Extra. 2015 Mar 4;5(1):64-73. doi: 10.1159/000375367. eCollection 2015 Jan-Apr.