Epigenetics of generalized internet use disorder including data on overuse of social media: a closer look at the SLC6A4, NR3C1 and OXT genes - Scorecard - MDSpire
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Epigenetic Features of Generalized Internet Use Disorder and Social Media Overuse: Examining SLC6A4, NR3C1, and OXT

  • By

  • Christian Montag

  • Markus Kiefer

  • Bernhard J. Connemann

  • Thomas Kammer

  • Simon Sanwald

  • October 14, 2026

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Clinical Scorecard: Epigenetic Features of Generalized Internet Use Disorder and Social Media Overuse: Examining SLC6A4, NR3C1, and OXT

At a Glance

CategoryDetail
ConditionInternet Use Disorders (IUD), including excessive online activities such as gaming, gambling, and social media overuse; the study examines epigenetic features of SLC6A4 and exploratory findings concerning NR3C1 and OXT.
Key MechanismsThe study examines DNA methylation, an epigenetic mechanism through which environmental factors can affect gene regulation, in relation to IUD.
Target PopulationNot specified in the supplied excerpt.
Care SettingResearch context; the supplied excerpt describes an investigation of epigenetic patterns and does not specify a clinical care setting.

Key Highlights

  • IUD encompasses excessive online activities; the article notes that, apart from Gaming Disorder and Gambling Disorder, the WHO does not officially recognize other addictive behaviors as bona fide disorders.
  • The study examines methylation of SLC6A4 and reports exploratory epigenetic findings concerning NR3C1 and OXT.
  • Prior findings on SLC6A4 and IUD have been heterogeneous, and molecular genetic associations with IUD have shown limited replication, potentially reflecting small, underpowered studies.
  • The study examines epigenetic patterns in IUD; the supplied excerpt does not specify the study population or assessment interval.

Guideline-Based Recommendations

Diagnosis

    Management

      Monitoring & Follow-up

        Risks

          Patient & Prescribing Data

          Not specified in the supplied excerpt.

          The excerpt discusses preliminary evidence that SSRI treatment may improve IUD and cites a review reporting symptom reductions of 17.6%–24.0% in Internet Gaming Disorder. It does not provide the study's treatment regimen or results.

          Clinical Best Practices

          • The article reports heterogeneous findings for SLC6A4 and IUD and limited replication of molecular genetic associations in IUD research.
          • The authors state that the exploratory NR3C1 findings do not establish that NR3C1 is involved in IUD; the excerpt likewise presents OXT as an exploratory gene.

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          Original Source(s)

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