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Gao R, Ali T, Liu Z, Li A, Hao L, He L, Yu X, Li S. Ceftriaxone averts neuroinflammation and relieves depressive-like behaviors via GLT-1/TrkB signaling. Biochem Biophys Res Commun 2024; 701:149550. [PMID: 38310688 DOI: 10.1016/j.bbrc.2024.149550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 02/06/2024]
Abstract
The beneficial effect of a beta-lactam antibiotic, Ceftriaxone (CEF), to improve depressive-like symptoms has been documented previously, attributed to its modulation of glutamate neurotransmission. Here, we aimed to determine whether CEF could improve LPS-altered glutamatergic signaling associated with neuroinflammation-allied depression. To assess our goals, we established a neuroinflammation-allied depression mice model by injecting lipopolysaccharides (LPS), followed by behavioral and biochemical analysis. LPS-treated mice displayed depressive symptoms, neuroinflammation, dysregulated glutamate and its transporter (GLT-1) expression, altered expression of astrocyte reactive markers (GFAP, cxcl10, steap4, GBP2, and SRGN), and dysregulated BDNF/TrkB signaling. However, these changes were rescued by CEF treatment, as we found decreased neuroinflammation, relief of depression symptoms, and improved GLT-1 and BDNF/TrkB signaling upon CEF treatment. Moreover, GLT-1 and BDNF/TrkB regulation role of CEF was validated by K252a and DHK treatment. In summary, the anti-depressive effects of glutamate modulators, like CEF, are closely related to their anti-inflammatory role.
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Affiliation(s)
- Ruyan Gao
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong, 518055, People's Republic of China.
| | - Tahir Ali
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong, 518055, People's Republic of China.
| | - Zizhen Liu
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong, 518055, People's Republic of China.
| | - Axiang Li
- Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi'an Jiaotong University, Xi'an, People's Republic of China.
| | - Liangliang Hao
- Hospital of Chengdu, University of Traditional Chinese Medicine, No.39 Shi-er-qiao Road, Chengdu, People's Republic of China.
| | - Liufang He
- Department of Pediatrics, Shenzhen University General Hospital, Shenzhen University, People's Republic of China.
| | - Xiaoming Yu
- Cancer Center, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, People's Republic of China.
| | - Shupeng Li
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong, 518055, People's Republic of China; Institute of Chemical Biology, Shenzhen Bay Laboratory, People's Republic of China.
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Cutler AJ, Mattingly GW, Maletic V. Understanding the mechanism of action and clinical effects of neuroactive steroids and GABAergic compounds in major depressive disorder. Transl Psychiatry 2023; 13:228. [PMID: 37365161 DOI: 10.1038/s41398-023-02514-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/12/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023] Open
Abstract
The pathophysiology of major depressive disorder (MDD) is thought to result from impaired connectivity between key brain networks. Gamma-aminobutyric acid (GABA) is the key inhibitory neurotransmitter in the brain, working primarily via GABAA receptors, with an important role in virtually all physiologic functions in the brain. Some neuroactive steroids (NASs) are positive allosteric modulators (PAMs) of GABAA receptors and potentiate phasic and tonic inhibitory responses via activation of synaptic and extrasynaptic GABAA receptors, respectively. This review first discusses preclinical and clinical data that support the association of depression with diverse defects in the GABAergic system of neurotransmission. Decreased levels of GABA and NASs have been observed in adults with depression compared with healthy controls, while treatment with antidepressants normalized the altered levels of GABA and NASs. Second, as there has been intense interest in treatment approaches for depression that target dysregulated GABAergic neurotransmission, we discuss NASs approved or currently in clinical development for the treatment of depression. Brexanolone, an intravenous NAS and a GABAA receptor PAM, is approved by the U.S. Food and Drug Administration for the treatment of postpartum depression (PPD) in patients 15 years and older. Other NASs include zuranolone, an investigational oral GABAA receptor PAM, and PH10, which acts on nasal chemosensory receptors; clinical data to date have shown improvement in depressive symptoms with these investigational NASs in adults with MDD or PPD. Finally, the review discusses how NAS GABAA receptor PAMs may potentially address the unmet need for novel and effective treatments with rapid and sustained antidepressant effects in patients with MDD.
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Chen X, Liu Y, Pu J, Gui S, Wang D, Zhong X, Chen W, Tao W, Chen Y, Chen X, Xie P. Proteomics reveals mitochondrial dysfunction and energy metabolism disturbance of intestine in a nonhuman primate model of depression. J Affect Disord 2023; 333:562-570. [PMID: 37080496 DOI: 10.1016/j.jad.2023.04.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/22/2023] [Accepted: 04/14/2023] [Indexed: 04/22/2023]
Abstract
BACKGROUND The gut-brain axis has been shown to play an important role in depression. However, few studies have examined proteomic changes in the intestine of the nonhuman primate model of depression. METHODS We investigated the intestinal proteome of macaques (Macaca fascicularis) with depression-like (DL) behaviors by data-independent acquisition techniques. We also performed integration analyses of proteomic changes, previous metabolomic and microbiotic data. Moreover, we confirmed the gene expressions of key proteins. RESULTS Sixty-five differentially expressed proteins (DEPs) were identified, of which fifty-four DEPs were down-regulated and the others were altered conversely in DL macaques compared with the control group. Pathway analysis indicated that mitochondrial function and energy metabolism were representative functions of DEPs. The key DEPs were significantly associated with glycerophospholipid metabolism and imbalances of gut microbe. We confirmed that key molecules (NDUFB4, UQCR10, PISD) were significantly inhibited, which may disturb the energy transformation of the electron respiratory chain and the homeostasis of the mitochondrial membrane. LIMITATIONS Further research is warranted to determine the effects of depression on other peripheral organs. CONCLUSIONS These findings suggest the functional disorder of intestinal mitochondria in DL macaques. The disturbances of glycerophospholipid metabolism and gut microbiota may exacerbate disruptions of energy metabolism. Taking together, our study provides new clues to the relationship between depression and intestinal proteome.
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Affiliation(s)
- Xiaopeng Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Yiyun Liu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Juncai Pu
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Siwen Gui
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Dongfang Wang
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Xiaogang Zhong
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Weiyi Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Wei Tao
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Yue Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Xiang Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Peng Xie
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Lu AKM, Lin JJ, Tseng HH, Wang XY, Jang FL, Chen PS, Huang CC, Hsieh S, Lin SH. DNA methylation signature aberration as potential biomarkers in treatment-resistant schizophrenia: Constructing a methylation risk score using a machine learning method. J Psychiatr Res 2023; 157:57-65. [PMID: 36442407 DOI: 10.1016/j.jpsychires.2022.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/08/2022] [Accepted: 11/12/2022] [Indexed: 11/18/2022]
Abstract
Treatment-resistant schizophrenia (TRS) is defined as a non-response to at least two trials of antipsychotic medication with an adequate dose and duration. We aimed to evaluate the discriminant abilities of DNA methylation probes and methylation risk score between treatment-resistant schizophrenia and non-treatment-resistant schizophrenia. This study recruited 96 schizophrenia patients (TRS and non-TRS) and 56 healthy controls (HC). Participants were divided into a discovery set and a validation set. In the discovery set, we conducted genome-wide methylation analysis (human MethylationEPIC 850K BeadChip) on the subject's blood DNA and discriminated significant methylation signatures, then verified these methylation signatures in the validation set. Based on genome-wide scans of TRS versus non-TRS, thirteen differentially methylated probes were identified at FDR <0.05 and >20% differences in DNA methylation β-values. Next, we selected six probes within gene coding regions (LOC404266, LOXL2, CERK, CHMP7, and SLC17A9) to conduct verification in the validation set using quantitative methylation-specific PCR (qMSP). These six methylation probes showed satisfactory discrimination between TRS patients and non-TRS patients, with an AUC ranging from 0.83 to 0.92, accuracy ranging from 77.8% to 87.3%, sensitivity ranging from 80% to 90%, and specificity ranging from 65.6% to 85%. This methylation risk score model showed satisfactory discrimination between TRS patients and non-TRS patients, with an accuracy of 88.3%. These findings support that methylation signatures may be used as an indicator of TRS vulnerability and provide a model for the clinical use of methylation to identify TRS.
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Affiliation(s)
- Andrew Ke-Ming Lu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jin-Jia Lin
- Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan
| | - Huai-Hsuan Tseng
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Xin-Yu Wang
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Fong-Lin Jang
- Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan
| | - Po-See Chen
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Chun Huang
- Department of Psychiatry, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan
| | - Shulan Hsieh
- Department of Psychology, College of Social Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Sheng-Hsiang Lin
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Biostatistics Consulting Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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Long non-coding RNA LINC00926 regulates WNT10B signaling pathway thereby altering inflammatory gene expression in PTSD. Transl Psychiatry 2022; 12:200. [PMID: 35551428 PMCID: PMC9098154 DOI: 10.1038/s41398-022-01971-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/17/2022] [Accepted: 02/21/2022] [Indexed: 11/29/2022] Open
Abstract
Post-traumatic stress disorder (PTSD), which frequently occurs in the aftermath of a psychologically traumatic event is characterized by heightened inflammation. People with PTSD also suffer from a number of comorbid clinical and behavioral disorders that are related to chronic inflammation. Thus, understanding the mechanisms of enhanced inflammation in PTSD can provide insights into the relationship between PTSD and associated comorbid disorders. In the current study, we investigated the role of large intervening non-coding RNAs (lincRNAs) in the regulation of inflammation in people diagnosed with PTSD. We observed that WNT ligand, WNT10B, was upregulated in the peripheral blood mononuclear cells (PBMCs) of PTSD patients. This observation was associated with higher H3K4me3 signals around WNT10B promotor in PTSD patients compared to those without PTSD. Increased H3K4me3 resulted from LINC00926, which we found to be upregulated in the PTSD sample, bringing in histone methyltransferase, MLL1, onto WNT10B promotor leading to the introduction of H3K4 trimethylation. The addition of recombinant human WNT10B to pre-activated peripheral blood mononuclear cells (PBMCs) led to increased expression of inflammatory genes such as IFNG and IL17A, suggesting that WNT10B is involved in their upregulation. Together, our data suggested that LINC00926 interacts physically with MLL1 and thereby controls the expression of IFNG and IL17A. This is the first time a long non-coding RNA is shown to regulate the expression of WNT10B and consequently inflammation. This observation has high relevance to our understanding of disease mechanisms of PTSD and comorbidities associated with PTSD.
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Zhang H, Zhou Z, Ding L, Wu C, Qiu M, Huang Y, Jin F, Shen T, Yang Y, Hsu LM, Wang J, Zhang H, Shen D, Peng D. Divergent and convergent imaging markers between bipolar and unipolar depression based on Machine Learning. IEEE J Biomed Health Inform 2022; 26:4100-4110. [PMID: 35412995 DOI: 10.1109/jbhi.2022.3166826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Distinguishing bipolar depression (BD) from unipolar depression (UD) based on symptoms only is challenging. Brain functional connectivity (FC), especially dynamic FC, has emerged as a promising approach to identify possible imaging markers for differentiating BD from UD. However, most of such studies utilized conventional FC and group-level statistical comparisons, which may not be sensitive enough to quantify subtle changes in the FC dynamics between BD and UD. In this paper, we present a more effective individualized differentiation model based on machine learning and the whole-brain high-order functional connectivity (HOFC) network. The HOFC, capturing temporal synchronization among the dynamic FC time series, a more complex chronnectome metric compared to the conventional FC, was used to classify 52 BD, 73 UD, and 76 healthy controls (HC). We achieved a satisfactory accuracy (70.40%) in BD vs. UD differentiation. The resultant contributing features revealed the involvement of the coordinated flexible interactions among sensory (e.g., olfaction, vision, and audition), motor, and cognitive systems. Despite sharing common chronnectome of cognitive and affective impairments, BD and UD also demonstrated unique dynamic FC synchronization patterns. UD is more associated with abnormal visual-somatomotor inter-network connections, while BD is more related to impaired ventral attention-frontoparietal inter-network connections. Moreover, we found that the illness duration modulated the BD vs. UD separation, with the differentiation performance hampered by the secondary disease effects. Our findings suggest that BD and UD may have divergent and convergent neural substrates, which further expand our knowledge of the two different mental disorders.
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7
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Ho AMC, Winham SJ, McCauley BM, Kundakovic M, Robertson KD, Sun Z, Ordog T, Webb LM, Frye MA, Veldic M. Plasma Cell-Free DNA Methylomics of Bipolar Disorder With and Without Rapid Cycling. Front Neurosci 2021; 15:774037. [PMID: 34916903 PMCID: PMC8669968 DOI: 10.3389/fnins.2021.774037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/01/2021] [Indexed: 11/21/2022] Open
Abstract
Rapid cycling (RC) burdens bipolar disorder (BD) patients further by causing more severe disability and increased suicidality. Because diagnosing RC can be challenging, RC patients are at risk of rapid decline due to delayed suitable treatment. Here, we aimed to identify the differences in the circulating cell-free DNA (cfDNA) methylome between BD patients with and without RC. The cfDNA methylome could potentially be developed as a diagnostic test for BD RC. We extracted cfDNA from plasma samples of BD1 patients (46 RC and 47 non-RC). cfDNA methylation levels were measured by 850K Infinium MethylationEPIC array. Principal component analysis (PCA) was conducted to assess global differences in methylome. cfDNA methylation levels were compared between RC groups using a linear model adjusted for age and sex. PCA suggested differences in methylation profiles between RC groups (p = 0.039) although no significant differentially methylated probes (DMPs; q > 0.15) were found. The top four CpG sites which differed between groups at p < 1E-05 were located in CGGPB1, PEX10, NR0B2, and TP53I11. Gene set enrichment analysis (GSEA) on top DMPs (p < 0.05) showed significant enrichment of gene sets related to nervous system tissues, such as neurons, synapse, and glutamate neurotransmission. Other top notable gene sets were related to parathyroid regulation and calcium signaling. To conclude, our study demonstrated the feasibility of utilizing a microarray method to identify circulating cfDNA methylation sites associated with BD RC and found the top differentially methylated CpG sites were mostly related to the nervous system and the parathyroid.
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Affiliation(s)
- Ada Man-Choi Ho
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
| | - Stacey J Winham
- Department of Health Science Research, Mayo Clinic, Rochester, MN, United States
| | - Bryan M McCauley
- Department of Health Science Research, Mayo Clinic, Rochester, MN, United States
| | - Marija Kundakovic
- Department of Biological Sciences, Fordham University, New York, NY, United States
| | - Keith D Robertson
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, United States
| | - Zhifu Sun
- Department of Health Science Research, Mayo Clinic, Rochester, MN, United States
| | - Tamas Ordog
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States
| | - Lauren M Webb
- Mayo Clinic Alix School of Medicine, Rochester, MN, United States
| | - Mark A Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
| | - Marin Veldic
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
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Liu Y, Wang H, Gui S, Zeng B, Pu J, Zheng P, Zeng L, Luo Y, Wu Y, Zhou C, Song J, Ji P, Wei H, Xie P. Proteomics analysis of the gut-brain axis in a gut microbiota-dysbiosis model of depression. Transl Psychiatry 2021; 11:568. [PMID: 34744165 PMCID: PMC8572885 DOI: 10.1038/s41398-021-01689-w] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/17/2021] [Accepted: 10/20/2021] [Indexed: 12/21/2022] Open
Abstract
Major depressive disorder (MDD) is a serious mental illness. Increasing evidence from both animal and human studies suggested that the gut microbiota might be involved in the onset of depression via the gut-brain axis. However, the mechanism in depression remains unclear. To explore the protein changes of the gut-brain axis modulated by gut microbiota, germ-free mice were transplanted with gut microbiota from MDD patients to induce depression-like behaviors. Behavioral tests were performed following fecal microbiota transplantation. A quantitative proteomics approach was used to examine changes in protein expression in the prefrontal cortex (PFC), liver, cecum, and serum. Then differential protein analysis and weighted gene coexpression network analysis were used to identify microbiota-related protein modules. Our results suggested that gut microbiota induced the alteration of protein expression levels in multiple tissues of the gut-brain axis in mice with depression-like phenotype, and these changes of the PFC and liver were model specific compared to chronic stress models. Gene ontology enrichment analysis revealed that the protein changes of the gut-brain axis were involved in a variety of biological functions, including metabolic process and inflammatory response, in which energy metabolism is the core change of the protein network. Our data provide clues for future studies in the gut-brain axis on protein level and deepen the understanding of how gut microbiota cause depression-like behaviors.
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Affiliation(s)
- Yiyun Liu
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Haiyang Wang
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Siwen Gui
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Benhua Zeng
- grid.410570.70000 0004 1760 6682Department of Laboratory Animal Science, College of Basic Medical Sciences, Third Military Medical University, Chongqing, China
| | - Juncai Pu
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Peng Zheng
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Zeng
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuanyuan Luo
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - You Wu
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chanjuan Zhou
- grid.452206.70000 0004 1758 417XNHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jinlin Song
- grid.203458.80000 0000 8653 0555College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Ping Ji
- grid.203458.80000 0000 8653 0555College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Hong Wei
- Department of Laboratory Animal Science, College of Basic Medical Sciences, Third Military Medical University, Chongqing, China.
| | - Peng Xie
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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9
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The miRNome of Depression. Int J Mol Sci 2021; 22:ijms222111312. [PMID: 34768740 PMCID: PMC8582693 DOI: 10.3390/ijms222111312] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/10/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023] Open
Abstract
Depression is an effect of complex interactions between genetic, epigenetic and environmental factors. It is well established that stress responses are associated with multiple modest and often dynamic molecular changes in the homeostatic balance, rather than with a single genetic factor that has a strong phenotypic penetration. As depression is a multifaceted phenotype, it is important to study biochemical pathways that can regulate the overall allostasis of the brain. One such biological system that has the potential to fine-tune a multitude of diverse molecular processes is RNA interference (RNAi). RNAi is an epigenetic process showing a very low level of evolutionary diversity, and relies on the posttranscriptional regulation of gene expression using, in the case of mammals, primarily short (17–23 nucleotides) noncoding RNA transcripts called microRNAs (miRNA). In this review, our objective was to examine, summarize and discuss recent advances in the field of biomedical and clinical research on the role of miRNA-mediated regulation of gene expression in the development of depression. We focused on studies investigating post-mortem brain tissue of individuals with depression, as well as research aiming to elucidate the biomarker potential of miRNAs in depression and antidepressant response.
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Shikimoto R, Noda Y, Kida H, Nakajima S, Tsugawa S, Mimura Y, Ochi R, Takayama M, Niimura H, Mimura M. Association between resilience and cortical thickness in the posterior cingulate cortex and the temporal pole in Japanese older people: A population-based cross-sectional study. J Psychiatr Res 2021; 142:89-100. [PMID: 34330025 DOI: 10.1016/j.jpsychires.2021.07.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 06/06/2021] [Accepted: 07/13/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Resilience is a crucial factor preventing the onset of mental illness and contributing to the well-being and healthy longevity, whose neural bases are not fully elucidated in older people. The present study aimed to identify the cortical thickness associating with resilience in older adults. METHODS This is a part of the cross-sectional Arakawa geriatric cohort study for people aged 65 years or older, consisting of 1001 individuals. A Self-Reported Resilience Scale (RS), neuropsychological batteries, face-to-face interviews for diagnosis, and a three-dimensional T1-weighted magnetic resonance imaging were conducted. Cortical thickness was computed by the FreeSurfer. The relationships among cortical thickness, total RS score, and clinico-demographic data were investigated using univariate and multivariable regression analyses. RESULTS The total RS score was correlated with age, education, and scores of the Mini-Mental State Examination (MMSE) and Geriatric Depression Scale (GDS) in univariate analyses. The total RS score was associated with cortical thicknesses in the left posterior cingulate (β [95 % CI of B] = 0.07 [0.16-14.84]) and the left temporal pole (β [95 % CI of B] = 0.08 [0.63-9.93]) after adjusting sex, age, imaging acquisition site, education, MMSE and GDS scores, hypertension, hyperlipidemia, diabetes mellitus, Barthel index, BMI, and living situation in multivariable regression analyses. CONCLUSION The present analyses suggest that the resilience capacity may be related to the cortical thickness in the posterior cingulate and temporal cortices in older adults. Our findings warrant further longitudinal studies to confirm the causal relationship between stress events, resilience, and brain structures.
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Affiliation(s)
- Ryo Shikimoto
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan; Sakuragaoka Memorial Hospital, Tokyo, Japan.
| | - Yoshihiro Noda
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Hisashi Kida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Shinichiro Nakajima
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Sakiko Tsugawa
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Yu Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Ryo Ochi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Midori Takayama
- Faculty of Science and Technology, Keio University, Yokohama, Kanagawa, Japan.
| | - Hidehito Niimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
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11
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Bundo M, Ueda J, Nakachi Y, Kasai K, Kato T, Iwamoto K. Decreased DNA methylation at promoters and gene-specific neuronal hypermethylation in the prefrontal cortex of patients with bipolar disorder. Mol Psychiatry 2021; 26:3407-3418. [PMID: 33875800 PMCID: PMC8505249 DOI: 10.1038/s41380-021-01079-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/06/2021] [Accepted: 03/24/2021] [Indexed: 12/18/2022]
Abstract
Bipolar disorder (BD) is a severe mental disorder characterized by repeated mood swings. Although genetic factors are collectively associated with the etiology of BD, the underlying molecular mechanisms, particularly how environmental factors affect the brain, remain largely unknown. We performed promoter-wide DNA methylation analysis of neuronal and nonneuronal nuclei in the prefrontal cortex of patients with BD (N = 34) and controls (N = 35). We found decreased DNA methylation at promoters in both cell types in the BD patients. Gene Ontology (GO) analysis of differentially methylated region (DMR)-associated genes revealed enrichment of molecular motor-related genes in neurons, chemokines in both cell types, and ion channel- and transporter-related genes in nonneurons. Detailed GO analysis further revealed that growth cone- and dendrite-related genes, including NTRK2 and GRIN1, were hypermethylated in neurons of BD patients. To assess the effect of medication, neuroblastoma cells were cultured under therapeutic concentrations of three mood stabilizers. We observed that up to 37.9% of DMRs detected in BD overlapped with mood stabilizer-induced DMRs. Interestingly, mood stabilizer-induced DMRs showed the opposite direction of changes in DMRs, suggesting the therapeutic effects of mood stabilizers. Among the DMRs, 12 overlapped with loci identified in a genome-wide association study (GWAS) of BD. We also found significant enrichment of neuronal DMRs in the loci reported in another GWAS of BD. Finally, we performed qPCR of DNA methylation-related genes and found that DNMT3B was overexpressed in BD. The cell-type-specific DMRs identified in this study will be useful for understanding the pathophysiology of BD.
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Affiliation(s)
- Miki Bundo
- Department of Molecular Brain Science, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Junko Ueda
- Department of Molecular Brain Science, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Laboratory for Molecular Dynamics of Mental Disorders, RIKEN Center for Brain Science, Saitama, Japan
| | - Yutaka Nakachi
- Department of Molecular Brain Science, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Kiyoto Kasai
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- The International Research Center for Neurointelligence (WPI-IRCN) at The University of Tokyo Institutes for Advanced Study (UTIAS), Tokyo, Japan
| | - Tadafumi Kato
- Laboratory for Molecular Dynamics of Mental Disorders, RIKEN Center for Brain Science, Saitama, Japan.
- Department of Psychiatry and Behavioral Science, Graduate School of Medicine, Juntendo University, Tokyo, Japan.
| | - Kazuya Iwamoto
- Department of Molecular Brain Science, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
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12
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Garcia-Ruiz B, de Moura MC, Muntané G, Martorell L, Bosch E, Esteller M, J Canales-Rodríguez E, Pomarol-Clotet E, Jiménez E, Vieta E, Vilella E. DDR1 methylation is associated with bipolar disorder and the isoform expression and methylation of myelin genes. Epigenomics 2021; 13:845-858. [PMID: 33942629 DOI: 10.2217/epi-2021-0006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To investigate DDR1 methylation in the brains of bipolar disorder (BD) patients and its association with DDR1 mRNA levels and comethylation with myelin genes. Materials & methods: Genome-wide profiling of DNA methylation (Infinium MethylationEPIC BeadChip) corrected for glial composition and DDR1 gene expression analysis in the occipital cortices of individuals with BD (n = 15) and healthy controls (n = 15) were conducted. Results: DDR1 5-methylcytosine levels were increased and directly associated with DDR1b mRNA expression in the brains of BD patients. We also observed that DDR1 was comethylated with a group of myelin genes. Conclusion: DDR1 is hypermethylated in BD brain tissue and is associated with isoform expression. Additionally, DDR1 comethylation with myelin genes supports the role of this receptor in myelination.
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Affiliation(s)
- Beatriz Garcia-Ruiz
- Hospital Universitari Institut Pere Mata, Ctra. de l'Institut Pere Mata, s/n. 43206, Reus, Catalonia, Spain.,Institut d'Investigació Sanitària Pere Visgili (IISPV), C/ Dr. Mallafrè Guasch, 4 Edifici modular Hospital Universitari de Tarragona Joan XXIII. 43007, Tarragona, Catalonia, Spain.,Universitat Rovira i Virgili (URV), Facultat de Medicina i Ciències de la Salut, Departament de Psiquiatria, C/Sant Llorenç, 21. 43201, Reus, Catalonia, Spain
| | - Manuel Castro de Moura
- Josep Carreras Leukaemia Research Institute (IJC), Josep Carreras Building, Ctra de Can Ruti, Camí de les Escoles, 08916, Badalona, Barcelona, Catalonia, Spain
| | - Gerard Muntané
- Hospital Universitari Institut Pere Mata, Ctra. de l'Institut Pere Mata, s/n. 43206, Reus, Catalonia, Spain.,Institut d'Investigació Sanitària Pere Visgili (IISPV), C/ Dr. Mallafrè Guasch, 4 Edifici modular Hospital Universitari de Tarragona Joan XXIII. 43007, Tarragona, Catalonia, Spain.,Universitat Rovira i Virgili (URV), Facultat de Medicina i Ciències de la Salut, Departament de Psiquiatria, C/Sant Llorenç, 21. 43201, Reus, Catalonia, Spain.,Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain.,Departament de Ciències Experimentals i de la Salut, Institut de Biologia Evolutiva (UPF-CSIC), Universitat Pompeu Fabra, Parc de Recerca Biomèdica de Barcelona (PRBB), C/Dr. Aiguader, 88, 08003, Barcelona, Catalonia, Spain
| | - Lourdes Martorell
- Hospital Universitari Institut Pere Mata, Ctra. de l'Institut Pere Mata, s/n. 43206, Reus, Catalonia, Spain.,Institut d'Investigació Sanitària Pere Visgili (IISPV), C/ Dr. Mallafrè Guasch, 4 Edifici modular Hospital Universitari de Tarragona Joan XXIII. 43007, Tarragona, Catalonia, Spain.,Universitat Rovira i Virgili (URV), Facultat de Medicina i Ciències de la Salut, Departament de Psiquiatria, C/Sant Llorenç, 21. 43201, Reus, Catalonia, Spain.,Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain
| | - Elena Bosch
- Departament de Ciències Experimentals i de la Salut, Institut de Biologia Evolutiva (UPF-CSIC), Universitat Pompeu Fabra, Parc de Recerca Biomèdica de Barcelona (PRBB), C/Dr. Aiguader, 88, 08003, Barcelona, Catalonia, Spain
| | - Manel Esteller
- Josep Carreras Leukaemia Research Institute (IJC), Josep Carreras Building, Ctra de Can Ruti, Camí de les Escoles, 08916, Badalona, Barcelona, Catalonia, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig de Lluís Companys, 23. 08010, Barcelona, Catalonia, Spain.,Physiological Sciences Department, School of Medicine & Health Sciences, University of Barcelona (UB), Feixa Llarga, 08907, l'Hospitalet de Llobregat, Barcelona, Catalonia, Spain
| | - Erick J Canales-Rodríguez
- Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain.,FIDMAG Research Foundation, Germanes Hospitalàries, Av. Jordà, 8. 08035, Barcelona, Catalonia, Spain.,Signal Processing Laboratory (LTS5), École Polytechnique Fédérale de Lausanne (EPFL), Station 11. CH-1015, Lausanne, Switzerland
| | - Edith Pomarol-Clotet
- Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain.,FIDMAG Research Foundation, Germanes Hospitalàries, Av. Jordà, 8. 08035, Barcelona, Catalonia, Spain
| | - Esther Jiménez
- Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain.,Bipolar & Depressive Disorders Unit, Hospital Clinic, Institute of Neuroscience, University of Barcelona, IDIBAPS, Villarroel, 170, 12-0. 08036, Barcelona, Catalonia, Spain
| | - Eduard Vieta
- Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain.,Bipolar & Depressive Disorders Unit, Hospital Clinic, Institute of Neuroscience, University of Barcelona, IDIBAPS, Villarroel, 170, 12-0. 08036, Barcelona, Catalonia, Spain
| | - Elisabet Vilella
- Hospital Universitari Institut Pere Mata, Ctra. de l'Institut Pere Mata, s/n. 43206, Reus, Catalonia, Spain.,Institut d'Investigació Sanitària Pere Visgili (IISPV), C/ Dr. Mallafrè Guasch, 4 Edifici modular Hospital Universitari de Tarragona Joan XXIII. 43007, Tarragona, Catalonia, Spain.,Universitat Rovira i Virgili (URV), Facultat de Medicina i Ciències de la Salut, Departament de Psiquiatria, C/Sant Llorenç, 21. 43201, Reus, Catalonia, Spain.,Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), C/Melchor Fernández Almagro, 3. 28029, Madrid, Spain
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13
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Denier N, Walther S, Schneider C, Federspiel A, Wiest R, Bracht T. Reduced tract length of the medial forebrain bundle and the anterior thalamic radiation in bipolar disorder with melancholic depression. J Affect Disord 2020; 274:8-14. [PMID: 32469836 DOI: 10.1016/j.jad.2020.05.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/29/2020] [Accepted: 05/06/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND The supero-lateral medial forebrain bundle (slMFB) and the anterior thalamic radiation (ATR) play a core role in reward anticipation and motivational processes. In this study, the slMFB and the ATR were investigated in a group of depressed bipolar disorder (BD) and in healthy controls (HC) using tract length as a measure of fibre geometry and fractional anisotropy (FA) as a measure of white matter microstructure. We hypothesized reduced tract length and FA of the slMFB and the ATR in BD. We expect alterations to be driven by the melancholic subtype. METHODS Nineteen depressed patients with BD and 19 HC matched for age and gender underwent diffusion-weighted magnetic resonance imaging (MRI) scans. Diffusion tensor imaging (DTI) based tractography was used to reconstruct bilateral slMFB and ATR. Mean tract length and FA were computed for the slMFB and the ATR. Mixed-model ANCOVAs and post-hoc ANCOVAs, controlling for age and intracranial volume, were used to compare tract length and FA of bilateral slMFB and ATR between HC and BD and between HC and subgroups with melancholic and non-melancholic symptoms. RESULTS In BD we found a significantly shortened tract length of the right slMFB and ATR in BD compared to HC. Subgroup analyses showed that these findings were driven by the melancholic subgroup. Mean-FA did not differ between HC and BD. LIMITATIONS Sample size CONCLUSIONS: Tract length of the right slMFB and the right ATR is reduced in BD. Those changes of fibre geometry are driven by the melancholic subtype.
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Affiliation(s)
- Niklaus Denier
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland; Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Sebastian Walther
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland; Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Christoph Schneider
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland; Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Andrea Federspiel
- Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Roland Wiest
- Institute of Diagnostic and Interventional Neuroradiology, University of Bern, Bern, Switzerland
| | - Tobias Bracht
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland; Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland.
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14
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Ho AMC, Cabello-Arreola A, Markota M, Heppelmann CJ, Charlesworth MC, Ozerdem A, Mahajan G, Rajkowska G, Stockmeier CA, Frye MA, Choi DS, Veldic M. Label-free proteomics differences in the dorsolateral prefrontal cortex between bipolar disorder patients with and without psychosis. J Affect Disord 2020; 270:165-173. [PMID: 32339108 PMCID: PMC7234814 DOI: 10.1016/j.jad.2020.03.105] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 02/01/2020] [Accepted: 03/28/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Psychosis is common in bipolar disorder (BD) and is related to more severe cognitive impairments. Since the molecular mechanism of BD psychosis is elusive, we conducted this study to explore the proteomic differences associated with BD psychosis in the dorsolateral prefrontal cortex (DLPFC; BA9). METHODS Postmortem DLPFC gray matter tissues from five pairs of age-matched male BD subjects with and without psychosis history were used. Tissue proteomes were identified and quantified by label-free liquid chromatography tandem mass spectrometry and then compared between groups. Statistical significance was set at q < 0.40 and Log2 fold change (Log2FC) ≥ |1|. Protein groups with differential expression between groups at p < 0.05 were subjected to pathway analysis. RESULTS Eleven protein groups differed significantly between groups, including the reduction of tenascin C (q = 0.005, Log2FC = -1.78), the elevations of synaptoporin (q = 0.235, Log2FC = 1.17) and brain-specific angiogenesis inhibitor 1-associated protein 3 (q = 0.241, Log2FC = 2.10) in BD with psychosis. The between-group differences of these proteins were confirmed by Western blots. The top enriched pathways (p < 0.05 with ≥ 3 hits) were the outgrowth of neurons, neuronal cell proliferation, growth of neurites, and outgrowth of neurites, which were all predicted to be upregulated in BD with psychosis. LIMITATIONS Small sample size and uncertain relationships of the observed proteomic differences with illness stage and acute psychosis. CONCLUSIONS These results suggested BD with psychosis history may be associated with abnormalities in neurodevelopment, neuroplasticity, neurotransmission, and neuromodulation in the DLPFC.
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Affiliation(s)
- Ada M.-C. Ho
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | | | - Matej Markota
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | | | | | - Aysegul Ozerdem
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | - Gouri Mahajan
- Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, USA
| | - Grazyna Rajkowska
- Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, USA
| | - Craig A. Stockmeier
- Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, USA,Psychiatry, Case Western Reserve University, Cleveland, OH, USA
| | - Mark A. Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | - Doo-Sup Choi
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA,Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Marin Veldic
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA.
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15
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Jia YF, Wininger K, Ho AMC, Peyton L, Baker M, Choi DS. Astrocytic Glutamate Transporter 1 (GLT1) Deficiency Reduces Anxiety- and Depression-Like Behaviors in Mice. Front Behav Neurosci 2020; 14:57. [PMID: 32390810 PMCID: PMC7189218 DOI: 10.3389/fnbeh.2020.00057] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 03/25/2020] [Indexed: 12/26/2022] Open
Abstract
Glutamatergic dysregulation is known to contribute to altered emotional regulation. Astrocytic glutamate transporter 1 (GLT1) is responsible for the majority of glutamate clearance from synapse. However, the role of astrocytic GLT1 in affective processes such as anxiety- and depression-like behavior is not fully understood. Here, we found that astrocytic GLT1 deficient mice entered more frequently, and spent more time in the open arms of elevated plus maze without difference in overall distance traveled in the open field, nor were there any metabolic changes observed in the metabolic chamber compared to wildtype mice. Moreover, mice lacking astrocytic GLT1 exhibited less immobile time and moved greater area in the tail suspension test. Similarly, in the forced swim test, they showed less immobile time and moved greater area. In addition, we found that astrocytic GLT1 deficiency reduced freezing responses in the fear contextual and cued tests. Taken together, our findings suggest that astrocytic GLT1 deficiency decreases anxiety and depression-like behaviors.
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Affiliation(s)
- Yun-Fang Jia
- Department of Molecular Pharmacology and Experimental Therapeutic, Mayo Clinic, Rochester, MN, United States
| | | | - Ada Man-Choi Ho
- Department of Psychiatry & Psychology, Mayo Clinic, Rochester, MN, United States
| | - Lee Peyton
- Department of Molecular Pharmacology and Experimental Therapeutic, Mayo Clinic, Rochester, MN, United States
| | - Matthew Baker
- Department of Molecular Pharmacology and Experimental Therapeutic, Mayo Clinic, Rochester, MN, United States
| | - Doo-Sup Choi
- Department of Molecular Pharmacology and Experimental Therapeutic, Mayo Clinic, Rochester, MN, United States
- Neuroscience Program, Mayo Clinic, Rochester, MN, United States
- Department of Psychiatry & Psychology, Mayo Clinic, Rochester, MN, United States
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16
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Cabello-Arreola A, Ho AMC, Ozerdem A, Cuellar-Barboza AB, Kucuker MU, Heppelmann CJ, Charlesworth MC, Ceylan D, Stockmeier CA, Rajkowska G, Frye MA, Choi DS, Veldic M. Differential Dorsolateral Prefrontal Cortex Proteomic Profiles of Suicide Victims with Mood Disorders. Genes (Basel) 2020; 11:E256. [PMID: 32120974 PMCID: PMC7140872 DOI: 10.3390/genes11030256] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 12/29/2022] Open
Abstract
Suicide is a major public health concern; nevertheless, its neurobiology remains unknown. An area of interest in suicide research is the dorsolateral prefrontal cortex (DLPFC). We aimed to identify altered proteins and potential biological pathways in the DLPFC of individuals who died by suicide employing mass spectrometry-based untargeted proteomics. Postmortem DLPFC from age-matched male suicide mood disorder cases (n = 5) and non-suicide mood disorder cases (n = 5) were compared. The proteins that differed between groups at false discovery rate (FDR) adjusted p-values (Benjamini-Hochberg-Yekutieli) <0.3 and Log2 fold change (FC) >|0.4| were considered statistically significant and were subjected to pathway analysis by Qiagen Ingenuity software. Thirty-three of the 5162 detected proteins showed significantly altered expression levels in the suicide cases and two of them after adjustment for body mass index. The top differentially expressed protein was potassium voltage-gated channel subfamily Q member 3 (KCNQ3) (Log2FC = -0.481, p = 2.10 × 10-09, FDR = 5.93 × 10-06), which also showed a trend to downregulation in Western blot (p = 0.045, Bonferroni adjusted p = 0.090). The most notably enriched pathway was the GABA receptor signaling pathway (p < 0.001). Here, we report a reduction trend of KCNQ3 levels in the DLPFC of male suicide victims with mood disorders. Further studies with a larger sample size and equal sex representation are needed.
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Affiliation(s)
| | - Ada Man-Choi Ho
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
| | - Aysegul Ozerdem
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
- Department of Neurosciences, Dokuz Eylul University, Health Sciences Institute, Izmir 35340, Turkey
- Department of Psychiatry, Dokuz Eylul University, School of Medicine, Izmir 35220, Turkey
| | - Alfredo B. Cuellar-Barboza
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
- Department of Psychiatry, Universidad Autonoma de Nuevo Leon, Monterrey 64460, Mexico
| | - Mehmet U. Kucuker
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
| | | | | | - Deniz Ceylan
- Izmir University of Economics, Faculty of Medicine, Department of Psychiatry, Izmir 35330, Turkey
| | - Craig A. Stockmeier
- Department of Psychiatry, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Grazyna Rajkowska
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Mark A. Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
| | - Doo-Sup Choi
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
- Neuroscience Program, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Marin Veldic
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN 55905, USA
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