Cited by 45Treatment of Major DepressionCancer-related molecular mechanisms researchStress Responses and Cortisol

Altered expression of long noncoding RNAs in patients with major depressive disorder

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Seki, Tomoe, Yamagata, Hirotaka, Uchida, Shusaku, Chen, Chong, Kobayashi, Ayumi, Kobayashi, Masaaki, Harada, Kenichiro, Matsuo, Koji +2 more·2019·Journal of Psychiatric Research

Abstract

Although major depressive disorder (MDD) is a leading cause of disability worldwide, its pathophysiology is poorly understood. Increasing evidence suggests that aberrant regulation of transcription plays a key role in the pathophysiology of MDD. Recently, long noncoding RNAs (lncRNAs) have been recognized for their important functions in chromatin structure, gene expression, and the subsequent manifestation of various biological processes in the central nervous system. However, it is unclear whether the aberrant expression and function of lncRNAs are associated with the pathophysiology of MDD. In this study, we sought to evaluate the expression of lncRNAs in peripheral blood leukocytes as potential biomarkers for MDD. We measured the expression levels of 83 lncRNAs in the peripheral blood leukocytes of 29 MDD patients and 29 age- and gender-matched healthy controls using quantitative reverse transcription PCR (RT-qPCR) analysis. We found that MDD patients exhibited distinct expression signatures. Specifically, the expression level of one lncRNA (RMRP) was lower while the levels of four (Y5, MER11C, PCAT1, and PCAT29) were higher in MDD patients compared to healthy controls. The expression level of RMRP was correlated with depression severity as measured by the Hamilton Depression Rating Scale (HAM-D). Moreover, RMRP expression was lower in a mouse model of depression, corroborating the observation from MDD patients. Taken together, our data suggest that lower RMRP levels may serve as a potential biomarker for MDD.

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Crossref · 10.1016/j.jpsychires.2019.07.004

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Authors
Seki, T., Yamagata, H., Uchida, S., Chen, C., Kobayashi, A., Kobayashi, M., Harada, K., Matsuo, K., Watanabe, Y., & Nakagawa, S.
Affiliations
Yamaguchi University (JP)
Corresponding author
Yamagata, Hirotaka
Venue
Journal of Psychiatric Research
Publisher
Elsevier BV
Published
2019-10
Volume
117
Pages
92-99
ISSN
0022-3956 (ISSN-L)
OpenAlex
W2963688878
Cited by
42
References
80
Citations by year
2026: 3 · 2025: 4 · 2024: 11 · 2023: 8 · 2022: 6 · 2021: 6 · 2020: 4
FWCI
2.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Psychiatric Research (acceptedVersion)
  • PubMed (publishedVersion)
Funders
  • Pfizer Japan
  • Eisai
  • MSD K.K.
  • Japan Agency for Medical Research and Development
  • Japan Society for the Promotion of Science
  • Japan Science and Technology Agency
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
major depressive disorder, long non-coding RNA, RMRP, peripheral blood leukocytes, biomarkers, depression severity, mouse model of depression, gene expression signatures, PCAT1
MeSH terms
Adult, Animals, Behavior, Animal, Major Depressive Disorder, Disease Models, Animal, Female, Humans, Leukocytes, Male, Mice, Inbred BALB C, Middle Aged, Severity of Illness Index, Reverse Transcriptase Polymerase Chain Reaction, Epigenesis, Genetic, Mice, RNA, Long Noncoding

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