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  Increased levels of 5HT2A receptor mRNA expression in peripheral blood mononuclear cells of patients with major depression: correlations with severity and duration of illness

Amidfar, M., Kim, Y., Colic, L., Arbabi, M., Mobaraki, G., Hassanzadeh, G., et al. (2017). Increased levels of 5HT2A receptor mRNA expression in peripheral blood mononuclear cells of patients with major depression: correlations with severity and duration of illness. Nordic Journal of Psychiatry, 71(4), 282-288. doi:10.1080/08039488.2016.1276624.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-C307-C Version Permalink: http://hdl.handle.net/21.11116/0000-0000-C308-B
Genre: Journal Article

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Amidfar, M, Author
Kim, YK, Author
Colic, L, Author
Arbabi, M, Author
Mobaraki, G, Author
Hassanzadeh, G, Author
Walter, M1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: Background: Neuroimaging, immunologic, and pharmacologic studies have emphasized the role of 5-HT2A and 5-HT3A serotonin receptors in the pathophysiology of major depression. Aim: The aim of this study was to measure the relative expression of 5-HT2A and 5-HT3A receptor mRNA in peripheral blood mononuclear cells (PBMCs) of patients with major depressive disorder (MDD). Method: 5-HT2A and 5-HT3A receptor mRNA expressions were examined in PBMCs of 25 medication-naïve-patients with MDD, 25 medication-free MDD patients, and 25 healthy controls. 5-HT2A and 5-HT3A receptor mRNA expressions were measured using real-time quantitative PCR. This study evaluated patients’ clinical symptoms using the Hamilton Depression Rating Scale-17 items (HDRS) and the Beck Depression Inventory (BDI). Results: Relative 5-HTR2A mRNA expression was significantly higher in PBMCs of all MDD patients when compared with healthy controls (Z = −3.875, p < 0.05). However, there was no significant difference in the relative levels of 5-HTR3A mRNA expression in PBMCs of all MDD patients when compared with healthy controls (Z = −1.328, p > 0.05). MDD patients showed significant correlations between 5-HTR2A mRNA expression and HDRS scores (rs = 0.902, p < 0.001) and BDI scores (rs = 0.878, p < 0.001). Conclusion: This study showed that depressed patients, irrespective of treatment, have higher 5-HTR2A mRNA levels in PBMCs than healthy subjects. It also provided evidence that 5-HTR2A mRNA levels in PBMCs of MDD patients could be associated with the severity of depression and the duration of the illness.

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 Dates: 2017-05
 Publication Status: Published in print
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 Identifiers: DOI: 10.1080/08039488.2016.1276624
BibTex Citekey: AmidfarKCAMHW2017
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Title: Nordic Journal of Psychiatry
Source Genre: Journal
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Pages: - Volume / Issue: 71 (4) Sequence Number: - Start / End Page: 282 - 288 Identifier: -