HealthcareDepressive disorders can lead to changes in immune cells

Depressive disorders can lead to changes in immune cells


Depressive disorders can lead to changes in immune cells
Real-time deformability cytometry and subsequent AI-based classification of blood cells. Credit: Andreas Walther, CC BY-NC 4.0

Loss of interest, joylessness, lack of drive and increased fatigability—all these complaints are among the main symptoms of depression, a mental illness affecting an estimated 5% of the population in Germany. Pathophysiological features of depressive disorders often include low-grade inflammation and elevated glucocorticoid output. In a new study published in the journal Translational Psychiatry, researchers from the Technische Universität Dresden, the University of Zurich, and the Max Planck Institutes for the Science of Light and the Max-Planck-Zentrum für Physik und Medizin Erlangen establish for the first time a link between depressive disorders and mechanical changes in blood cells. To do so, the researchers performed a cross-sectional case-control study using image-based morpho- rheological characterization of unmanipulated blood samples facilitating real-time deformability cytometry (RT-DC).

Sixty-nine pre-screened individuals at high-risk for depressive disorders and 70 matched healthy controls were included and clinically evaluated by Composite International Diagnostic Interview, a globally recognized clinical interview for . Using the AI method of deep learning applied to over 16 million blood cell images, the main blood cell types were classified and morpho-rheological parameters such as and cell deformability of each cell were quantified.

Thus, the scientists found that peripheral blood cells were more deformable in patients with depressive disorders compared to control subjects, while cell size was not affected. Individuals who had suffered from persistent depressive disorder over the course of their lives showed increased cell deformability in monocytes and neutrophils, while erythrocytes were more deformable in current persistent depressive disorder. Also lymphocytes were more deformable in individuals with a current depressive disorder.

Subsequently, the study shows for the first time that depressive disorders, and in particular persistent depressive disorders that persist over a period of more than two years, are associated with increased deformability of blood cells. While all major tend to show increased deformability, lymphocytes, monocytes and neutrophils are most affected. This suggests that mechanical changes in immune cells occur in depressive disorders, which could be causative for a sustained immune response. The identification of this pathomechanism could be accompanied by new possibilities for therapy in the future, which could restore dysfunctional cell function by improving cell mechanical processes.

For first author Dr. Andreas Walther, who conducted the study at the Chair of Biopsychology at TU Dresden but is now working at the Institute of Clinical Psychology and Psychotherapy at the University of Zurich, it means a lot to advance both biological as well as psychological therapies, that treat depressive disorders more efficiently and sustainably in the long term: “We are working in parallel on research into pharmacological therapies to improve a dysfunctional biology as well as psychological therapies to improve dysfunctional cognitive and emotional processes. Indeed, in my opinion, only a can understand and efficiently treat this complex disorder and hopefully prevent much suffering in the future.”


Moderate associations identified for strabismus, mental health disorders


More information:
Andreas Walther et al, Depressive disorders are associated with increased peripheral blood cell deformability: a cross-sectional case-control study (Mood-Morph), Translational Psychiatry (2022). DOI: 10.1038/s41398-022-01911-3

Citation:
Depressive disorders can lead to changes in immune cells (2022, April 8)
retrieved 9 April 2022
from https://medicalxpress.com/news/2022-04-depressive-disorders-immune-cells.html

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no
part may be reproduced without the written permission. The content is provided for information purposes only.





Original Source Link

LEAVE A REPLY

Please enter your comment!
Please enter your name here

Latest News

Formula One racing legend buys Belleair waterfront home for $5.3M

He and his wife formerly lived down the street from this newly purchased home. Original...

Erie County district attorney says shooting suspect was intent on leaving market to kill more Black people

A 180-page manifesto attributed to Payton Gendron and posted online just before he allegedly shot 13 people at a Buffalo supermarket, killing 10, shows...

‘RHOM’ Star Lisa Hochstein & Husband Lenny Split After 12 Years – Hollywood Life

View gallery Lisa Hochstein, 39, and her husband, plastic surgeon Dr. Lenny Hochstein, 55, are getting divorced. The Real Housewives...

The 10 most expensive NFTs sold to date

Nonfungible tokens, or NFTs, are turning out to be a treasure store with prices striding into the millions...

US stocks open lower as weak China data compound growth concerns

Wall Street stocks opened lower on Monday as weak economic data from China darkened the global growth outlook.Following...

Must Read

- Advertisement -

You might also likeRELATED
Recommended to you