Abstract:
:Previously our study has shown that the DNA methylation (DNAm) levels at CpG sites in the pro-inflammatory cytokine gene, TNF-alpha, decrease along with aging, suggesting the potential role of DNAm in aging and heightened inflammatory process leading to increased risk for delirium. However, DNAm differences between delirium cases and non-delirium controls have not been investigated directly. Therefore, we examined genome-wide DNAm differences in blood between patients with delirium and controls to identify useful epigenetic biomarkers for delirium. Data from a total of 87 subjects (43 delirium cases) were analyzed by a genome-wide DNAm case-control association study. A genome-wide significant CpG site near the gene of LDLRAD4 was identified (p = 5.07E-8). In addition, over-representation analysis showed several significant pathways with a false discovery rate adjusted p-value < 0.05. The top pathway with a Gene Ontology term was immune response, and the second top pathway with a Kyoto Encyclopedia of Genes and Genomes term was cholinergic synapse. Significant DNAm differences related to immune/inflammatory response were shown both at gene and pathway levels between patients with delirium and non-delirium controls. This finding indicates that DNAm status in blood has the potential to be used as epigenetic biomarkers for delirium.
journal_name
J Psychiatr Resjournal_title
Journal of psychiatric researchauthors
Saito T,Toda H,Duncan GN,Jellison SS,Yu T,Klisares MJ,Daniel S,Andreasen AJ,Leyden LR,Hellman MM,Shinozaki E,Lee S,Yoshino A,Cho HR,Shinozaki Gdoi
10.1016/j.jpsychires.2020.06.005subject
Has Abstractpub_date
2020-10-01 00:00:00pages
61-65eissn
0022-3956issn
1879-1379pii
S0022-3956(20)30569-0journal_volume
129pub_type
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