Alzheimer's disease-associated (hydroxy)methylomic changes in the brain and blood.
5-Methylcytosine
/ analogs & derivatives
Age of Onset
Aged
Aged, 80 and over
Alzheimer Disease
/ genetics
Brain Chemistry
DNA Methylation
Disease Progression
Epigenesis, Genetic
Female
Humans
Intracellular Signaling Peptides and Proteins
/ genetics
Male
Oxytocin
/ genetics
Receptors, Nicotinic
/ genetics
Temporal Lobe
/ chemistry
Alzheimer’s disease
Blood
Brain
DNA hydroxymethylation
DNA methylation
Epigenetics
Middle temporal gyrus
Journal
Clinical epigenetics
ISSN: 1868-7083
Titre abrégé: Clin Epigenetics
Pays: Germany
ID NLM: 101516977
Informations de publication
Date de publication:
27 11 2019
27 11 2019
Historique:
received:
08
04
2019
accepted:
26
09
2019
entrez:
29
11
2019
pubmed:
30
11
2019
medline:
28
7
2020
Statut:
epublish
Résumé
Late-onset Alzheimer's disease (AD) is a complex multifactorial affliction, the pathogenesis of which is thought to involve gene-environment interactions that might be captured in the epigenome. The present study investigated epigenome-wide patterns of DNA methylation (5-methylcytosine, 5mC) and hydroxymethylation (5-hydroxymethylcytosine, 5hmC), as well as the abundance of unmodified cytosine (UC), in relation to AD. We identified epigenetic differences in AD patients (n = 45) as compared to age-matched controls (n = 35) in the middle temporal gyrus, pertaining to genomic regions close to or overlapping with genes such as OXT (- 3.76% 5mC, p The implication of genome-wide significant differential methylation of OXT, encoding oxytocin, in two independent cohorts indicates it is a promising target for future studies on early biomarkers and novel therapeutic strategies in AD.
Sections du résumé
BACKGROUND
Late-onset Alzheimer's disease (AD) is a complex multifactorial affliction, the pathogenesis of which is thought to involve gene-environment interactions that might be captured in the epigenome. The present study investigated epigenome-wide patterns of DNA methylation (5-methylcytosine, 5mC) and hydroxymethylation (5-hydroxymethylcytosine, 5hmC), as well as the abundance of unmodified cytosine (UC), in relation to AD.
RESULTS
We identified epigenetic differences in AD patients (n = 45) as compared to age-matched controls (n = 35) in the middle temporal gyrus, pertaining to genomic regions close to or overlapping with genes such as OXT (- 3.76% 5mC, p
CONCLUSIONS
The implication of genome-wide significant differential methylation of OXT, encoding oxytocin, in two independent cohorts indicates it is a promising target for future studies on early biomarkers and novel therapeutic strategies in AD.
Identifiants
pubmed: 31775875
doi: 10.1186/s13148-019-0755-5
pii: 10.1186/s13148-019-0755-5
pmc: PMC6880587
doi:
Substances chimiques
CHRNB1 protein, human
0
Intracellular Signaling Peptides and Proteins
0
RHBDF2 protein, human
0
Receptors, Nicotinic
0
5-hydroxymethylcytosine
1123-95-1
Oxytocin
50-56-6
5-Methylcytosine
6R795CQT4H
Types de publication
Comparative Study
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
164Subventions
Organisme : Medical Research Council
ID : MR/N027973/1
Pays : United Kingdom
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