Severity of current depression and remission status are associated with structural connectome alterations in major depressive disorder

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • J. Repple - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • Marco Mauritz - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • S. Meinert - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • S.C. de Lange - , Vrije Universiteit Amsterdam (VU), Amsterdam University Medical Centers (UMC) (Autor:in)
  • D. Grotegerd - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • N. Opel - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • R. Redlich - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • T. Hahn - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • K. Förster - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • E.J. Leehr - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • N. Winter - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • J. Goltermann - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • V. Enneking - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • S.M. Fingas - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • H. Lemke - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • L. Waltemate - , Westfälische Wilhelms-Universität Münster (Autor:in)
  • I. Nenadic - , Philipps-Universität Marburg (Autor:in)
  • A. Krug - , Philipps-Universität Marburg (Autor:in)
  • K. Brosch - , Philipps-Universität Marburg (Autor:in)
  • S. Schmitt - , Philipps-Universität Marburg (Autor:in)
  • F. Stein - , Philipps-Universität Marburg (Autor:in)
  • T. Meller - , Philipps-Universität Marburg (Autor:in)
  • A. Jansen - , Philipps-Universität Marburg (Autor:in)
  • O. Steinsträter - , Philipps-Universität Marburg (Autor:in)
  • B.T. Baune - , University of Melbourne (Autor:in)
  • T. Kircher - , Philipps-Universität Marburg (Autor:in)
  • U. Dannlowski - , Westfälische Wilhelms-Universität Münster (Gemeinsame:r Letztautor:in)
  • M.P. van den Heuvel - , Amsterdam University Medical Centers (UMC), Vrije Universiteit Amsterdam (VU) (Gemeinsame:r Letztautor:in)

Abstract

Major depressive disorder (MDD) is associated to affected brain wiring. Little is known whether these changes are stable over time and hence might represent a biological predisposition, or whether these are state markers of current disease severity and recovery after a depressive episode. Human white matter network (“connectome”) analysis via network science is a suitable tool to investigate the association between affected brain connectivity and MDD. This study examines structural connectome topology in 464 MDD patients (mean age: 36.6 years) and 432 healthy controls (35.6 years). MDD patients were stratified categorially by current disease status (acute vs. partial remission vs. full remission) based on DSM-IV criteria. Current symptom severity was assessed continuously via the Hamilton Depression Rating Scale (HAMD). Connectome matrices were created via a combination of T1-weighted magnetic resonance imaging (MRI) and tractography methods based on diffusion-weighted imaging. Global tract-based metrics were not found to show significant differences between disease status groups, suggesting conserved global brain connectivity in MDD. In contrast, reduced global fractional anisotropy (FA) was observed specifically in acute depressed patients compared to fully remitted patients and healthy controls. Within the MDD patients, FA in a subnetwork including frontal, temporal, insular, and parietal nodes was negatively associated with HAMD, an effect remaining when correcting for lifetime disease severity. Therefore, our findings provide new evidence of MDD to be associated with structural, yet dynamic, state-dependent connectome alterations, which covary with current disease severity and remission status after a depressive episode.

Details

OriginalspracheEnglisch
Seiten (von - bis)1550-1558
Seitenumfang9
FachzeitschriftMolecular psychiatry
Jahrgang25
Ausgabenummer7
PublikationsstatusVeröffentlicht - 22 Nov. 2019
Peer-Review-StatusJa
Extern publiziertJa

Externe IDs

Scopus 85076221057

Schlagworte

Ziele für nachhaltige Entwicklung

Bibliotheksschlagworte