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Association of PPM1G methylation with risk-taking in alcohol use disorder

Authors
 Chun Il Park  ;  Hae Won Kim  ;  Syung Shick Hwang  ;  Jee In Kang  ;  Se Joo Kim 
Citation
 SCIENTIFIC REPORTS, Vol.10(1) : 5490, 2020-03 
Journal Title
 SCIENTIFIC REPORTS 
Issue Date
2020-03
Abstract
Alcohol use disorder (AUD) is a chronic and relapsing disease with a substantial genetic influence. Given the recent discovery of the association of PPM1G methylation with alcohol use disorder (AUD) from a genome-wide methylation study, we sought to verify and extend the previous work of AUD-related impulsivity in a Korean population with AUD. A total of 244 men with AUD were assessed for psychological characteristics and behavioral impulsivity using stop signal task (response inhibition) and Balloon Analog Risk Task (risk-taking). Leukocyte DNA methylation at PPM1G was quantified using pyrosequencing. The effects of PPM1G methylation on severity of problematic drinking measured by Alcohol Use Disorder Identification Test (AUDIT) and multidimensional impulsivity were tested using linear regression analyses. Hypermethylation of PPM1G was significantly associated with risk-taking propensity among men with AUD. No significant association of PPM1G methylation was found to be associated with AUDIT scores and response inhibition. Our findings indicate that altered methylation of PPM1G may influence the impulsive choice of risk-taking in AUD. Further research is required in order to determine the role of PPM1G in the pathophysiology of AUD and multidimensional impulsivity.
Files in This Item:
T202002000.pdf Download
DOI
10.1038/s41598-020-62504-y
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Education (의학교육학과) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Jee In(강지인) ORCID logo https://orcid.org/0000-0002-2818-7183
Kim, Se Joo(김세주) ORCID logo https://orcid.org/0000-0002-5438-8210
Kim, Hae Won(김혜원) ORCID logo https://orcid.org/0000-0002-9321-8361
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179027
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