Blood transcriptomic biomarkers in adult primary care patients with major depressive disorder undergoing cognitive behavioral therapy

E. E. Redei, B. M. Andrus, M. J. Kwasny, Junhee Seok, X. Cai, J. Ho, D. C. Mohr

Research output: Contribution to journalArticle

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Abstract

An objective, laboratory-based diagnostic tool could increase the diagnostic accuracy of major depressive disorders (MDDs), identify factors that characterize patients and promote individualized therapy. The goal of this study was to assess a blood-based biomarker panel, which showed promise in adolescents with MDD, in adult primary care patients with MDD and age-, gender- and race-matched nondepressed (ND) controls. Patients with MDD received cognitive behavioral therapy (CBT) and clinical assessment using self-reported depression with the Patient Health Questionnaire-9 (PHQ-9). The measures, including blood RNA collection, were obtained before and after 18 weeks of CBT. Blood transcript levels of nine markers of ADCY3, DGKA, FAM46A, IGSF4A/CADM1, KIAA1539, MARCKS, PSME1, RAPH1 and TLR7, differed significantly between participants with MDD (N = 32) and ND controls (N = 32) at baseline (q> 0.05). Abundance of the DGKA, KIAA1539 and RAPH1 transcripts remained significantly different between subjects with MDD and ND controls even after post-CBT remission (defined as PHQ-9 >5). The ROC area under the curve for these transcripts demonstrated high discriminative ability between MDD and ND participants, regardless of their current clinical status. Before CBT, significant co-expression network of specific transcripts existed in MDD subjects who subsequently remitted in response to CBT, but not in those who remained depressed. Thus, blood levels of different transcript panels may identify the depressed from the nondepressed among primary care patients, during a depressive episode or in remission, or follow and predict response to CBT in depressed individuals.

Original languageEnglish
Article number4
JournalTranslational Psychiatry
Volume4
DOIs
Publication statusPublished - 2014 May 8

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Major Depressive Disorder
Cognitive Therapy
Primary Health Care
Biomarkers
Aptitude
Health
Area Under Curve
RNA
Depression

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Blood transcriptomic biomarkers in adult primary care patients with major depressive disorder undergoing cognitive behavioral therapy. / Redei, E. E.; Andrus, B. M.; Kwasny, M. J.; Seok, Junhee; Cai, X.; Ho, J.; Mohr, D. C.

In: Translational Psychiatry, Vol. 4, 4, 08.05.2014.

Research output: Contribution to journalArticle

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