Alzheimer's disease DNA methylome of pyramidal layers in frontal cortex: laser-assisted microdissection study.

Abstract:

OBJECTIVE:To study DNA methylation patterns of cortical pyramidal layers susceptible to late-onset Alzheimer's disease (LOAD) neurodegeneration. METHODS:Laser-assisted microdissection to select pyramidal layers' cells in frontal cortex of 32 human brains (18 LOAD) and Infinium DNA Methylation 450K analysis were performed to find differential methylated positions and regions, in addition to the corresponding gene set functional enrichment analyses. RESULTS:Differential hypermethylation in several genomic regions and genes mainly in HOXA3, GSTP1, CXXC1-3 and BIN1. The functional enrichment analysis revealed genes significantly related to oxidative-stress and synapsis. CONCLUSION:The present results indicate the differentially methylated genes related to neural projections, synapsis, oxidative stress and epigenetic regulator genes and represent the first epigenome of cortical pyramidal layers in LOAD.

journal_name

Epigenomics

journal_title

Epigenomics

authors

Hernández HG,Sandoval-Hernández AG,Garrido-Gil P,Labandeira-Garcia JL,Zelaya MV,Bayon GF,Fernández AF,Fraga MF,Arboleda G,Arboleda H

doi

10.2217/epi-2017-0160

subject

Has Abstract

pub_date

2018-11-01 00:00:00

pages

1365-1382

issue

11

eissn

1750-1911

issn

1750-192X

journal_volume

10

pub_type

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