Hypermethylation-associated downregulation of microRNA-4456 in hypersexual disorder with putative influence on oxytocin signalling: A DNA methylation analysis of miRNA genes

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Hypermethylation-associated downregulation of microRNA-4456 in hypersexual disorder with putative influence on oxytocin signalling : A DNA methylation analysis of miRNA genes

Boström, Adrian (författare): Uppsala universitet,Schiöth: Funktionell farmakologi

Chatzittofis, Andreas (författare): Umeå universitet,Psykiatri,Umeå Univ, Dept Clin Sci Psychiat, Umeå, Sweden

Ciuculete, Diana-Maria (författare): Uppsala universitet,Schiöth: Funktionell farmakologi

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Flanagan, John N. (författare): Karolinska Institutet

Krattinger, Regina (författare): Univ Zurich, Univ Hosp Zurich, Dept Clin Pharmacol & Toxicol, Zurich, Switzerland

Bandstein, Marcus, 1988- (författare): Uppsala universitet,Schiöth: Funktionell farmakologi

Mwinyi, Jessica (författare): Uppsala universitet,Schiöth: Funktionell farmakologi

Kullak-Ublick, Gerd A. (författare): Univ Zurich, Univ Hosp Zurich, Dept Clin Pharmacol & Toxicol, Zurich, Switzerland

Oberg, Katarina Gorts (författare): Karolinska Inst, Dept Med, Androl Sexual Med Grp ANOVA, Stockholm, Sweden

Arver, Stefan (författare): Karolinska Institutet

Schiöth, Helgi B. (författare): Uppsala universitet,Schiöth: Funktionell farmakologi,Sechenov First Moscow State Med Univ, Inst Translat Med & Biotechnol, Moscow, Russia

Jokinen, Jussi (författare): Karolinska Institutet,Umeå universitet,Psykiatri,Department of Clinical Neuroscience/Psychiatry, Karolinska Institutet, Stockholm, Sweden,Umeå Univ, Dept Clin Sci Psychiat, Umeå, Sweden;Karolinska Inst, Dept Clin Neurosci Psychiat, Stockholm, Sweden

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(creator_code:org_t)

2019-09-22
2020
Engelska.
Ingår i: Epigenetics. - : Taylor & Francis. - 1559-2294 .- 1559-2308. ; 15:1-2, s. 145-160

Relaterad länk:: https://doi.org/10.1...; visa fler...; https://umu.diva-por... (primary) (Raw object); https://www.tandfonl...; https://uu.diva-port... (primary) (Raw object); https://urn.kb.se/re...; https://doi.org/10.1...; https://urn.kb.se/re...; http://kipublication...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

Stäng

Hypersexual disorder (HD) was proposed as a diagnosis in the DSM-5 and the classification ‘Compulsive Sexual Behavior Disorder’ is now presented as an impulse-control disorder in ICD-11. HD incorporates several pathophysiological mechanisms; including impulsivity, compulsivity, sexual desire dysregulation and sexual addiction. No previous study investigated HD in a methylation analysis limited to microRNA (miRNA) associated CpG-sites. The genome wide methylation pattern was measured in whole blood from 60 subjects with HD and 33 healthy volunteers using the Illumina EPIC BeadChip. 8,852 miRNA associated CpG-sites were investigated in multiple linear regression analyses of methylation M-values to a binary independent variable of disease state (HD or healthy volunteer), adjusting for optimally determined covariates. Expression levels of candidate miRNAs were investigated in the same individuals for differential expression analysis. Candidate methylation loci were further studied for an association with alcohol dependence in an independent cohort of 107 subjects. Two CpG-sites were borderline significant in HD – cg18222192 (MIR708)(p < 10E-05,pFDR = 5.81E-02) and cg01299774 (MIR4456)(p < 10E-06, pFDR = 5.81E-02). MIR4456 was significantly lower expressed in HD in both univariate (p < 0.0001) and multivariate (p < 0.05) analyses. Cg01299774 methylation levels were inversely correlated with expression levels of MIR4456 (p < 0.01) and were also differentially methylated in alcohol dependence (p = 0.026). Gene target prediction and pathway analysis revealed that MIR4456 putatively targets genes preferentially expressed in brain and that are involved in major neuronal molecular mechanisms thought to be relevant for HD, e.g., the oxytocin signalling pathway. In summary, our study implicates a potential contribution of MIR4456 in the pathophysiology of HD by putatively influencing oxytocin signalling.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)

Nyckelord

Methylome-wide
DNA methylation
hypersexual disorder
MicroRNA
oxytocin signaling
oxytocin
psychiatry
hsa-miR-4456
microRNA-4456
MIR4456
epigenetic dysregulation
differential methylation
microRNA expression
gene target prediction
epigenetics

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Av författaren/redakt...: Boström, Adrian; Chatzittofis, An ...; Ciuculete, Diana ...; Flanagan, John N ...; Krattinger, Regi ...; Bandstein, Marcu ...; visa fler...; Mwinyi, Jessica; Kullak-Ublick, G ...; Oberg, Katarina ...; Arver, Stefan; Schiöth, Helgi B ...; Jokinen, Jussi; visa färre...

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Artiklar i publikationen: Epigenetics

Av lärosätet: Umeå universitet; Uppsala universitet; Karolinska Institutet

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