Peripheral blood CADM1 expression and multi-gene signatures in depressive disorders: a pilot case-control study from the United Arab Emirates - Report - MDSpire

Peripheral blood CADM1 expression and multi-gene signatures in depressive disorders: a pilot case-control study from the United Arab Emirates

  • By

  • Rukhsana Nawaz

  • Eman Al Awadhi

  • Fadwa Al Mughairbi

  • Asma Bashir

  • Gabriel Andrade

  • Syed Ali Bokhari

  • Syed Fahad Javaid

  • Abdalla A. R. M. Hamid

  • July 1, 2026

  • 0 min

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Clinical Report: Expression of CADM1 and Multi-Gene Profiles in Depression

Overview

This pilot study investigates the expression of CADM1 and other genes in peripheral blood among individuals with depressive disorders in the UAE.

Background

Depressive disorders are a leading cause of disability worldwide, yet research on gene expression in Middle Eastern populations is limited. This study examines gene expression profiles in a UAE cohort.

Data Highlights

No significant diagnostic utility was found for CADM1, with an area under the curve of 0.616.

Key Findings

  • CADM1 expression was modestly upregulated in individuals with depressive disorders (1.30-fold increase).
  • Principal component analysis indicated a significant difference driven by CADM1 and RAPH1.
  • CADM1 correlated negatively with depression severity (BDI-II ρ = −0.280, p = 0.005).
  • Age balancing eliminated the CADM1 effect, suggesting confounding factors.
  • Exploratory analyses indicated potential sex-specific patterns in gene expression.

Clinical Implications

The findings indicate the limitations of CADM1 as a potential biomarker for depression due to the small sample size and confounding factors present in this study.

Conclusion

This pilot study provides insights into gene expression in depression among a UAE population.

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  5. Nonpharmacologic and Pharmacologic Treatments of Adults in the Acute Phase of Major Depressive Disorder: A Living Clinical Guideline From the American College of Physicians, 2026
  6. Brain and Blood Biomarkers of Major Depressive Disorder: A Systematic Review, JAMA Psychiatry, 2026
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  8. Nonpharmacologic and Pharmacologic Treatments of Adults in the Acute Phase of Major Depressive Disorder: A Living Clinical Guideline From the American College of Physicians (Version 1, Update Alert 4) - PubMed
  9. Brain and Blood Biomarkers of Major Depressive Disorder: A Systematic Review | Genetics and Genomics | JAMA Psychiatry | JAMA Network
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