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Xiong F, Lv X. Luteolin reversed anxiety and depressive-like behavior via modulation of the NF-κB/NLRP3 inflammasome axis in the hippocampus of rats subjected to sleep deprivation. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2024; 27:1050-1058. [PMID: 38911248 PMCID: PMC11193505 DOI: 10.22038/ijbms.2024.75068.16277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 02/26/2024] [Indexed: 06/25/2024]
Abstract
Objectives In this study, we assessed the impact of luteolin (LUT) on mood disorders (specifically anxiety and depression) induced by sleep deprivation (SD) by regulating pathways associated with neuroinflammation. Materials and Methods Rapid eye movement (REM) SD was employed to induce anxiety and depression in the animal subjects. The animals were treated with PAX (15 mg/kg, positive control) and LUT (10 and 20 mg/kg) for a duration of 21 days. The anxiety and depressive disorders were evaluated using behavioral tests. Following the sacrifice of the animals, hippocampal tissues were stored for molecular investigations. Results SD resulted in anxiety, as evidenced by the elevated plus maze test and open field test. Furthermore, the findings from the sucrose performance test, forced swimming test, and tail suspension test confirmed the presence of depressive-like behaviors in the animals. The nuclear factor kappa B (NF-κB) and NLR family pyrin domain containing 3 (NLRP3) inflammasome components, including apoptosis-associated speck-like protein containing a C-terminal caspase recruitment domain (ASC), NLRP3, and active Caspase-1, were up-regulated in the hippocampus (HC) of the animals subjected to REM SD. However, treatment with LUT demonstrated a significant reversal of the behavioral changes by modulating the NF-κB and NLRP3 inflammasome components in the HC. Conclusion It can be concluded that LUT demonstrated antidepressant effects via regulation of the NF-κB/NLRP3 inflammasome axis components in the HC.
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Affiliation(s)
- Fang Xiong
- Department of Sleep Disorders and Neuroses, Brain Hospital of Hunan Province (The Second People’s Hospital of Hunan Province), No. 427, Section 3, Furong Middle Road, Changsha, 410000, China
| | - Xuewen Lv
- Department of Critical Medicine, Brain Hospital of Hunan Province (The Second People’s Hospital of Hunan Province), No. 427, Section 3, Furong Middle Road, Changsha, 410000, China
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Falkai P, Rossner MJ, Raabe FJ, Wagner E, Keeser D, Maurus I, Roell L, Chang E, Seitz-Holland J, Schulze TG, Schmitt A. Disturbed Oligodendroglial Maturation Causes Cognitive Dysfunction in Schizophrenia: A New Hypothesis. Schizophr Bull 2023; 49:1614-1624. [PMID: 37163675 PMCID: PMC10686333 DOI: 10.1093/schbul/sbad065] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
BACKGROUND AND HYPOTHESIS Cognitive impairment is a hallmark of schizophrenia, but no effective treatment is available to date. The underlying pathophysiology includes disconnectivity between hippocampal and prefrontal brain regions. Supporting evidence comes from diffusion-weighted imaging studies that suggest abnormal organization of frontotemporal white matter pathways in schizophrenia. STUDY DESIGN Here, we hypothesize that in schizophrenia, deficient maturation of oligodendrocyte precursor cells (OPCs) into mature oligodendrocytes substantially contributes to abnormal frontotemporal macro- and micro-connectivity and subsequent cognitive deficits. STUDY RESULTS Our postmortem studies indicate a reduced oligodendrocyte number in the cornu ammonis 4 (CA4) subregion of the hippocampus, and others have reported the same histopathological finding in the dorsolateral prefrontal cortex. Our series of studies on aerobic exercise training showed a volume increase in the hippocampus, specifically in the CA4 region, and improved cognition in individuals with schizophrenia. The cognitive effects were subsequently confirmed by meta-analyses. Cell-specific schizophrenia polygenic risk scores showed that exercise-induced CA4 volume increase significantly correlates with OPCs. From animal models, it is evident that early life stress and oligodendrocyte-related gene variants lead to schizophrenia-related behavior, cognitive deficits, impaired oligodendrocyte maturation, and reduced myelin thickness. CONCLUSIONS Based on these findings, we propose that pro-myelinating drugs (e.g., the histamine blocker clemastine) combined with aerobic exercise training may foster the regeneration of myelin plasticity as a basis for restoring frontotemporal connectivity and cognition in schizophrenia.
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Affiliation(s)
- Peter Falkai
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
- Max-Planck-Institute of Psychiatry, Munich, Germany
| | - Moritz J Rossner
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Florian J Raabe
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Elias Wagner
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Daniel Keeser
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
- NeuroImaging Core Unit Munich (NICUM), University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Isabel Maurus
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Lukas Roell
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
- NeuroImaging Core Unit Munich (NICUM), University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Emily Chang
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
| | - Johanna Seitz-Holland
- Department of Psychiatry, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Thomas G Schulze
- Institute for Psychiatric Phenomic and Genomic (IPPG), Munich, Germany
| | - Andrea Schmitt
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilian University, Munich, Germany
- Laboratory of Neuroscience (LIM27), Institute of Psychiatry, University of São Paulo (USP), São Paulo-SP, Brazil
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Olry R. Hikikomori (きこもり): Ancient term, modern concept. JOURNAL OF THE HISTORY OF THE NEUROSCIENCES 2023; 32:499-505. [PMID: 37459241 DOI: 10.1080/0964704x.2023.2231794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Affiliation(s)
- Régis Olry
- Département d'Anatomie, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
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4
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White KM, Hess JL, Glatt SJ, Maisto SA, Zvolensky MJ, Ditre JW. Polygenic risk for alcohol consumption and multisite chronic pain: Associations with ad lib drinking behavior. Exp Clin Psychopharmacol 2023; 31:933-941. [PMID: 36480390 PMCID: PMC10247901 DOI: 10.1037/pha0000630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Interrelations between alcohol use disorder and chronic pain have received increasing empirical attention, and several lines of evidence support the possibility of shared genetic liability. However, research on the genetic contributions to the component processes of these complex and potentially overlapping phenotypes remains scarce. The goal of the present study was to test polygenic risk scores (PRSs) for alcohol consumption and multisite chronic pain as predictors of ad lib drinking behavior during an experimental taste test. PRSs were calculated for 209 pain-free, moderate-to-heavy drinkers (57.9% male; 63.6% White). Among White participants, the alcohol and chronic pain PRSs showed nominally significant (ps < .05) positive associations with the volume of alcohol consumed and peak blood alcohol concentration (BAC), respectively. However, associations did not survive correction for multiple comparisons. When stratifying results by experimental condition (between-subjects design: no-pain vs. pain), the alcohol PRS was significantly and negatively associated with the volume of alcohol poured, consumed, and peak BAC among Black participants randomized to the no-pain condition (all false discovery rate [FDR]p < .05). Conversely, the chronic pain PRS was significantly and positively associated with study outcomes among White participants in both the no-pain (alcohol consumed; FDRp = .037) and pain conditions (peak BAC; FDRp = .017). These findings lend partial support to the assertion that alcohol consumption in the laboratory is reflective of drinking behavior in naturalistic settings. This was also the first study to use a pain-related PRS to predict alcohol outcomes, which may be indicative of shared etiology between base and target traits. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Kyle M. White
- Department of Psychology, Syracuse University, Syracuse, NY 13244, United States
| | - Jonathan L. Hess
- Department of Psychiatry and Behavioral Sciences, The State University of New York (SUNY) Upstate Medical University, Syracuse, NY 13210, United States
| | - Stephen J. Glatt
- Department of Psychiatry and Behavioral Sciences, The State University of New York (SUNY) Upstate Medical University, Syracuse, NY 13210, United States
| | - Stephen A. Maisto
- Department of Psychology, Syracuse University, Syracuse, NY 13244, United States
| | - Michael J. Zvolensky
- Department of Psychology, University of Houston, Houston, TX 77004, United States
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, United States
- HEALTH Institute, University of Houston, Houston, TX 77204, United States
| | - Joseph W. Ditre
- Department of Psychology, Syracuse University, Syracuse, NY 13244, United States
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Mizrahi L, Choudhary A, Ofer P, Goldberg G, Milanesi E, Kelsoe JR, Gurwitz D, Alda M, Gage FH, Stern S. Immunoglobulin genes expressed in lymphoblastoid cell lines discern and predict lithium response in bipolar disorder patients. Mol Psychiatry 2023; 28:4280-4293. [PMID: 37488168 PMCID: PMC10827667 DOI: 10.1038/s41380-023-02183-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/26/2023]
Abstract
Bipolar disorder (BD) is a neuropsychiatric mood disorder manifested by recurrent episodes of mania and depression. More than half of BD patients are non-responsive to lithium, the first-line treatment drug, complicating BD clinical management. Given its unknown etiology, it is pertinent to understand the genetic signatures that lead to variability in lithium response. We discovered a set of differentially expressed genes (DEGs) from the lymphoblastoid cell lines (LCLs) of 10 controls and 19 BD patients belonging mainly to the immunoglobulin gene family that can be used as potential biomarkers to diagnose and treat BD. Importantly, we trained machine learning algorithms on our datasets that predicted the lithium response of BD subtypes with minimal errors, even when used on a different cohort of 24 BD patients acquired by a different laboratory. This proves the scalability of our methodology for predicting lithium response in BD and for a prompt and suitable decision on therapeutic interventions.
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Affiliation(s)
- Liron Mizrahi
- Sagol Department of Neurobiology, Faculty of Natural Sciences, University of Haifa, Haifa, 3498838, Israel
| | - Ashwani Choudhary
- Sagol Department of Neurobiology, Faculty of Natural Sciences, University of Haifa, Haifa, 3498838, Israel
| | - Polina Ofer
- Sagol Department of Neurobiology, Faculty of Natural Sciences, University of Haifa, Haifa, 3498838, Israel
| | - Gabriela Goldberg
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, 92037, USA
| | - Elena Milanesi
- Victor Babes National Institute of Pathology, Bucharest, 050096, Romania
| | - John R Kelsoe
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, 92093, USA
| | - David Gurwitz
- Department of Human Molecular Genetics and Biochemistry, Faculty of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Martin Alda
- Department of Psychiatry, Dalhousie University, Halifax, NS, B3H 2E2, Canada
| | - Fred H Gage
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, 92037, USA
| | - Shani Stern
- Sagol Department of Neurobiology, Faculty of Natural Sciences, University of Haifa, Haifa, 3498838, Israel.
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Ma L, Song J, Chen X, Dai D, Chen J, Zhang L. Fecal microbiota transplantation regulates TFH/TFR cell imbalance via TLR/MyD88 pathway in experimental autoimmune hepatitis. Heliyon 2023; 9:e20591. [PMID: 37860535 PMCID: PMC10582310 DOI: 10.1016/j.heliyon.2023.e20591] [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: 02/17/2023] [Revised: 09/04/2023] [Accepted: 09/29/2023] [Indexed: 10/21/2023] Open
Abstract
Objective Autoimmune hepatitis (AIH) is a chronic immune-mediated inflammatory liver disease. Intestinal flora disturbance in AIH is closely related to TFH/TFR cell imbalances. As a new method of microbial therapy, the role of fecal microbiota transplantation (FMT) in AIH remains elusive. Here, we attempted to verify the functional role and molecular mechanism of FMT in AIH. Methods An experimental autoimmune hepatitis (EAH) mouse model was established to mimic the characteristics of AIH. H&E staining was used to detect histological features in mouse liver tissues. Serological tests were employed to identify several liver function biomarkers. Flow cytometry was utilized to examine the status of TFH/TFR cell subsets. Western blotting was used to evaluate TLR pathway-associated protein abundance. RT‒qPCR was applied to evaluate Treg cell markers and inflammation marker levels in mouse liver tissues. Results There was significant liver inflammation and dysregulated TFR/TFH cells with elevated levels of liver inflammation-associated biomarkers in EAH mice. Interestingly, transferring therapeutic FMT into EAH mice dramatically reduced liver injury and improved the imbalance between splenic TFR and TFH cells. FMT treatment also reduced elevated contents of serum alanine transaminase (ALT), aspartate aminotransferase (AST), and total bilirubin (TBIL) in EAH mice. Furthermore, therapeutic FMT reversed the increased levels of IL-21 while promoting IL-10 and TGF-β cytokines. Mechanistically, FMT regulated TFH cell response in EAH mice in a TLR4/11/MyD88 pathway-dependent manner. Conclusion Our findings demonstrated that liver injury and dysregulation between TFR and TFH cells in EAH might be reversed by therapeutic FMT via the TLR4/11-MyD88 signaling pathway.
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Affiliation(s)
- Liang Ma
- Department of Gastroenterology, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Department of Gastroenterology, The People's Hospital of Wuqia, Xin Jiang, China
| | - Jianguo Song
- Department of Gastroenterology, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Department of Gastroenterology, The People's Hospital of Wuqia, Xin Jiang, China
- Department of Gastroenterology, The Fifth People's Hospital of Xinjiang Uygur Autonomous Region, Xin Jiang, China
| | - Xueping Chen
- Department of Gastroenterology, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Department of Gastroenterology, The People's Hospital of Wuqia, Xin Jiang, China
| | - Duan Dai
- Department of Gastroenterology, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Jianping Chen
- Department of Gastroenterology, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Liwen Zhang
- Department of Pediatrics, The Second People's Hospital of Changzhou, Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
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Chuang HK, Hsieh AR, Ang TY, Chen SW, Yang YP, Huang HJ, Chiou SH, Lin TC, Chen SJ, Hsu CC, Hwang DK. TMEM132D and VIPR2 Polymorphisms as Genetic Risk Loci for Retinal Detachment: A Genome-Wide Association Study and Polygenic Risk Score Analysis. Invest Ophthalmol Vis Sci 2023; 64:17. [PMID: 37695605 PMCID: PMC10501492 DOI: 10.1167/iovs.64.12.17] [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: 02/14/2023] [Accepted: 07/12/2023] [Indexed: 09/12/2023] Open
Abstract
Purpose Retinal detachment (RD) is a sight-threatening ocular disease caused by separation of the neurosensory retina from the underlying retinal pigment epithelium layer. Its genetic basis is unclear because of a limited amount of data. In this study, we aimed to identify genetic risk loci associated with RD in participants without diabetes mellitus and to construct a polygenic risk score (PRS) to predict the risk of RD. Methods A genome-wide association study was conducted using data from the Taiwan Biobank to identify RD risk loci. A total of 1533 RD cases and 106,270 controls were recruited, all of whom were Han Chinese. Replication studies were performed using data from the UK Biobank and Biobank Japan. To construct the PRS, a traditional clumping and thresholding method was performed and validated by fivefold cross-validation. Results Two novel loci with significant associations were identified. These two genes were TMEM132D (lead single nucleotide polymorphism [SNP]: rs264498, adjusted-P = 7.18 × 10-9) and VIPR2 (lead SNP: rs3812305, adjusted-P = 8.38 × 10-9). The developed PRS was effective in discriminating individuals at high risk of RD with a dose-response relationship. The quartile with the highest risk had an odds ratio of 1244.748 compared to the lowest risk group (95% confidence interval, 175.174-8844.892). Conclusions TMEM132D and VIPR2 polymorphisms are genetic candidates linked to RD in Han Chinese populations. Our proposed PRS was effective at discriminating high-risk from low-risk individuals.
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Affiliation(s)
- Hao-Kai Chuang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ai-Ru Hsieh
- Department of Statistics, Tamkang University, New Taipei City, Taiwan
| | - Tien-Yap Ang
- Department of Statistics, Tamkang University, New Taipei City, Taiwan
| | - Szu-Wen Chen
- Department of Statistics, Tamkang University, New Taipei City, Taiwan
| | - Yi-Ping Yang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hung-Juei Huang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of General Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Shih-Hwa Chiou
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Tai-Chi Lin
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shih-Jen Chen
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chih-Chien Hsu
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - De-Kuang Hwang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
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Yu K, Siang Ng TK. Investigating Biological Pathways Underpinning the Longitudinal Association Between Loneliness and Cognitive Impairment. J Gerontol A Biol Sci Med Sci 2023; 78:1417-1426. [PMID: 36200979 PMCID: PMC11015400 DOI: 10.1093/gerona/glac213] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Loneliness precedes the onset of cognitive impairment (CI) in older adults. Although the mechanisms through which loneliness "gets under the skin" to influence the risk of developing CI have been conceptually proposed, they are rarely empirically examined. The Evolutionary Theory of Loneliness posits that loneliness as a stressor could cause dysregulations in multiple physiological systems. The current study investigated whether inflammatory, cardiovascular, and kidney biomarkers mediate the longitudinal association between loneliness and CI. METHODS Cross-lagged panel models were used to examine the hypothesized relationships, using 2006, 2010, and 2014 waves of data from the Health and Retirement Study (N = 7,037). Loneliness was measured with the 3-item UCLA loneliness scale. CI was assessed with the modified telephone interview for cognitive status. Biomarkers included HbA1C, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, C-reactive protein, and Cystatin C. Using a stepwise model-building approach, first, the model included only loneliness, CI, and biomarker variables; then, sociodemographic covariates were added; lastly, health status were controlled for. RESULTS In unadjusted and partially adjusted models, loneliness was associated with higher odds of worse cognitive status in an 8-year follow-up. Only HbA1C mediated the longitudinal association between loneliness and CI. However, after further controlling for health status, all associations became nonsignificant. CONCLUSIONS Examining a large number of participants and linking a limited number of biological markers with cognition and loneliness longitudinally, our empirical data did not support theoretical propositions, highlighting the critical importance of controlling for confounders in future studies examining longitudinal mediational relationships underlying loneliness and CI.
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Affiliation(s)
- Kexin Yu
- Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, California, USA
- Edward R. Roybal Institute on Aging, University of Southern California, Los Angeles, California, USA
- NIA-Layton Aging and Alzheimer’s Disease Center, and Oregon Center for Aging and Technology, Department of Neurology, Oregon Health and Science University, Portland, Oregon, USA
| | - Ted Kheng Siang Ng
- Center for Innovation in Healthy and Resilient Aging (CIHRA), Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, Arizona, USA
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Center for Gait and Movement Analysis (CGMA), University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Amohashemi E, Reisi P, Alaei HA. Low Current Intensity Plus an Ineffective Dose of Morphine Affect Conditioning Place Preference Through Different Pathways in the Lateral Habenula. Adv Biomed Res 2023; 12:161. [PMID: 37564447 PMCID: PMC10410425 DOI: 10.4103/abr.abr_126_22] [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: 04/23/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 08/12/2023] Open
Abstract
Background The involvement of lateral habenula and the ineffective dose of morphine on reward-related learning and memory is less well-known. This study looked into the effects of electrical stimulation, GABAB receptor blockade, and a combination of both with morphine on conditioned place preference. Materials and Methods In this experiment, male rats were anesthetized with ketamine/xylazine (six rats in each group). A 5-day biased conditioned place preference paradigm was used for the behavioral test. The effects of electrical stimulation and phaclofen plus a low dose of morphine on the acquisition and expression phases were examined during conditioning sessions and before the test phase, respectively. Results The conditioning scores were reduced by antagonist injection during the acquisition phase. Interestingly, different intensities exhibited opposite effects on the acquisition phase. Conditioned place preference scores during the acquisition phase were significantly induced by 25 μA electrical stimulation, while conditioning scores were suppressed by electrical stimulation at 150 μA. Phaclofen (2 μg/rat) combined with high intensity induced aversion during the acquisition phase, while inhibiting expression. In contrast, high intensity with phaclofen (1 μg/rat) inhibited only the acquisition session. However, low intensity during the acquisition phase had an additive effect that was prevented by pretreatment with phaclofen (2 μg/rat), but this response was modified by the antagonist's low dose. Conclusions A behavioral technique called conditioned place preference is frequently used to evaluate learning that is related to rewards. Therefore, lateral habenula electrical stimulation and phaclofen plus morphine could affect place preference through the involvement of the reward system.
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Affiliation(s)
- Elahe Amohashemi
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parham Reisi
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hojjat Allah Alaei
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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10
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Koskinen MK, Hovatta I. Genetic insights into the neurobiology of anxiety. Trends Neurosci 2023; 46:318-331. [PMID: 36828693 DOI: 10.1016/j.tins.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 02/25/2023]
Abstract
Anxiety and fear are evolutionarily conserved emotions that increase the likelihood of an organism surviving threatening situations. Anxiety and vigilance states are regulated by neural networks involving multiple brain regions. In anxiety disorders, this intricate regulatory system is disturbed, leading to excessive or prolonged anxiety or fear. Anxiety disorders have both genetic and environmental risk factors. Genetic research has the potential to identify specific genetic variants causally associated with specific phenotypes. In recent decades, genome-wide association studies (GWASs) have revealed variants predisposing to neuropsychiatric disorders, suggesting novel neurobiological pathways in the etiology of these disorders. Here, we review recent human GWASs of anxiety disorders, and genetic studies of anxiety-like behavior in rodent models. These studies are paving the way for a better understanding of the neurobiological mechanisms underlying anxiety disorders.
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Affiliation(s)
- Maija-Kreetta Koskinen
- SleepWell Research Program and Department of Psychology and Logopedics, Faculty of Medicine, PO Box 21, 00014, University of Helsinki, Helsinki, Finland
| | - Iiris Hovatta
- SleepWell Research Program and Department of Psychology and Logopedics, Faculty of Medicine, PO Box 21, 00014, University of Helsinki, Helsinki, Finland.
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11
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Kim C, Teo C, Nielsen A, Chum A. Macro-level gender equality and women's depressive symptoms in South Korea: a longitudinal study. Soc Psychiatry Psychiatr Epidemiol 2023; 58:383-393. [PMID: 35931793 DOI: 10.1007/s00127-022-02335-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 06/20/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE In 2014, the Korean Government passed the Gender Equality Act, which was accompanied by policies to increase women's participation in the labour force and representation in positions of power in the public and private sectors. While Korea has witnessed modest progress in macro-level gender equality, little is known about the effects of these changes on mental health outcomes. Our study investigated the relationship between regional-level gender equality (as measured by women's economic and political power) and women's depressive symptoms from 2013-18, and whether the effects differed across women from different socioeconomic positions. METHODS To examine how change over time in political and economic power influences the severity of depressive symptoms, we applied a fixed-effect regression, using a nationally representative sample for women aged 19-64 (n = 9,589) from the Korean Longitudinal Survey of Women and Families (2013-2018, wave 4 to 6) residing across the 16 regions of South Korea. RESULTS Our study found that increases in women's political and economic power led to moderate reductions in depressive symptoms (-0.25 and -0.23 points in CESD respectively). Sensitivity analyses indicate that economic power is more consistently associated with subsequent reductions in CESD. The effect of economic and political power on depressive symptoms did not differ by women's socioeconomic positions. CONCLUSIONS Our findings suggest that even modest improvements in gender equality were associated with increases in women's mental health. Further progress to ensure gender equality, such as the anti-discrimination legislation, may lead to greater improvements in public mental health.
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Affiliation(s)
- Chungah Kim
- School of Kinesiology and Health Science, York University, Toronto, ON, Canada
| | - Celine Teo
- Department of Applied Health Sciences, Brock University, St Catharines, ON, Canada
| | - Andrew Nielsen
- Department of Applied Health Sciences, Brock University, St Catharines, ON, Canada
- MAP Centre for Urban Health Solutions, Unity Health Toronto, Toronto, ON, Canada
| | - Antony Chum
- School of Kinesiology and Health Science, York University, Toronto, ON, Canada.
- MAP Centre for Urban Health Solutions, Unity Health Toronto, Toronto, ON, Canada.
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
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12
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Rouleau N, Murugan NJ, Kaplan DL. Functional bioengineered models of the central nervous system. NATURE REVIEWS BIOENGINEERING 2023; 1:252-270. [PMID: 37064657 PMCID: PMC9903289 DOI: 10.1038/s44222-023-00027-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/16/2023] [Indexed: 02/10/2023]
Abstract
The functional complexity of the central nervous system (CNS) is unparalleled in living organisms. Its nested cells, circuits and networks encode memories, move bodies and generate experiences. Neural tissues can be engineered to assemble model systems that recapitulate essential features of the CNS and to investigate neurodevelopment, delineate pathophysiology, improve regeneration and accelerate drug discovery. In this Review, we discuss essential structure-function relationships of the CNS and examine materials and design considerations, including composition, scale, complexity and maturation, of cell biology-based and engineering-based CNS models. We highlight region-specific CNS models that can emulate functions of the cerebral cortex, hippocampus, spinal cord, neural-X interfaces and other regions, and investigate a range of applications for CNS models, including fundamental and clinical research. We conclude with an outlook to future possibilities of CNS models, highlighting the engineering challenges that remain to be overcome.
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Affiliation(s)
- Nicolas Rouleau
- Department of Health Sciences, Wilfrid Laurier University, Waterloo, Ontario Canada
- Department of Biomedical Engineering, Tufts University, Medford, MA USA
| | - Nirosha J. Murugan
- Department of Health Sciences, Wilfrid Laurier University, Waterloo, Ontario Canada
- Department of Biomedical Engineering, Tufts University, Medford, MA USA
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA USA
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13
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Kearns JC, Kittel JA, Schlagbaum P, Pigeon WR, Glenn CR. Worry-related sleep problems and suicidal thoughts and behaviors among adolescents in 88 low-, middle-, and high-income countries: an examination of individual- and country-level factors. Eur Child Adolesc Psychiatry 2022; 31:1995-2011. [PMID: 34213638 DOI: 10.1007/s00787-021-01838-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 06/25/2021] [Indexed: 01/26/2023]
Abstract
A strong association between sleep problems and suicidal thoughts and behaviors (STBs) has been demonstrated in high-income countries. The sleep-STB relationship, however, is minimally understood among youth in low and middle-incomes countries. There also is a limited understanding of how individual- (i.e., age, sex) and country-level (i.e., economic inequality, economic quality) factors may moderate the magnitude of the sleep-STB association among youth. Data were analyzed from the cross-national Global School-based Health Survey 2003-2017, which assessed a range of health behaviors among school-enrolled adolescents aged 11-18 years from 88 low-, lower-middle, upper-middle, and high-income countries. Multilevel models were used to examine the influence of individual- and country-level factors on the association between past-year worry-related sleep problems and past-year suicide ideation, suicide plans, and suicide attempts. Worry-related sleep problems were significantly associated with suicide ideation, plans, and attempts. Adolescent sex, country economic quality (income group designation), and country economic inequality moderated the sleep-STB association, but age did not. The sleep-STB relationship was stronger for males and across macroeconomic indices, the relationship was generally strongest among upper-middle income countries (economic quality) and countries with a big income gap (economic inequality). When examining how individual-level factors differentially affected the sleep-STB relationship within economic quality (income group designation), the effects were driven by older adolescents in high-income countries for suicide ideation and suicide plans. Study findings suggest an important role for global macroeconomic factors, for males, and older adolescents in high-income countries in the sleep-STB relationship. Future directions include expanding worldwide coverage of countries, assessing a wider range of sleep problems, and longitudinal work to understand potential mechanisms in the sleep-STB relationship.
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Affiliation(s)
- Jaclyn C Kearns
- Department of Psychology, University of Rochester, 180 Meliora Hall, Box 270266, Rochester, NY, 14627, USA.
| | - Julie A Kittel
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY, USA
| | - Paige Schlagbaum
- Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, USA
| | - Wilfred R Pigeon
- VA Center for Excellence for Suicide Prevention, Finger Lakes Healthcare System, Canandaigua, NY, USA.,Sleep and Neurophysiology Research Lab, University of Rochester Medical Center Rochester, Rochester, NY, USA
| | - Catherine R Glenn
- Department of Psychology, Old Dominion University, Norfolk, VA, USA.,Virginia Consortium Program in Clinical Psychology, Norfolk, VA, USA
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14
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Frost-Karlsson M, Capusan AJ, Perini I, Olausson H, Zetterqvist M, Gustafsson PA, Boehme R. Neural processing of self-touch and other-touch in anorexia nervosa and autism spectrum condition. Neuroimage Clin 2022; 36:103264. [PMID: 36451367 PMCID: PMC9668667 DOI: 10.1016/j.nicl.2022.103264] [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: 05/19/2022] [Revised: 11/07/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022]
Abstract
INTRODUCTION The tactile sense plays a crucial role in the development and maintenance of a functional bodily self. The ability to differentiate between self- and nonself-generated touch contributes to the perception of the bodies' boundaries and more generally to self-other-distinction, both of which are thought be altered in anorexia nervosa (AN) and autism spectrum condition (AS). While it has been suggested that AN and AS are characterized by overlapping symptomatology, they might differ regarding body perception and self-other-distinction. METHODS Participants with a diagnosis of AN (n = 25), AS (n = 29), and a comparison group without diagnoses (n = 57) performed a self-other-touch task during functional brain imaging. In the experimental conditions, they stroked their own arm or were stroked on the arm by an experimenter. RESULTS As shown previously, the CG group showed lower activation or deactivation in response to self-touch compared to social touch from someone else. A main group effect was found in areas including somatosensory cortex, frontal and temporal gyri, insula, and subcortical regions. This was driven by increased activations in participants with AN, while participants in the AS group showed mostly comparable activations to the comparison group. CONCLUSIONS AN diagnosis was associated with an increased neural activity in response to both self-touch and social touch. Failure to attenuate self-touch might relate to altered predictions regarding the own body and reduced perception of bodily boundaries. Participants with an AS diagnosis were mostly comparable to the comparison group, potentially indicating unaltered tactile self-other-distinction.
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Affiliation(s)
- Morgan Frost-Karlsson
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden
| | - Andrea Johansson Capusan
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden,Department of Psychiatry in Linköping and Department of Biomedical and Clinical Sciences, Linköping University, 58185 Linköping, Sweden
| | - Irene Perini
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden,Center for Medical Imaging and Visualization, Linköping University, 58185 Linköping, Sweden
| | - Håkan Olausson
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden,Department of Clinical Neurophysiology, Linköping University Hospital, 58185 Linköping, Sweden,Center for Medical Imaging and Visualization, Linköping University, 58185 Linköping, Sweden
| | - Maria Zetterqvist
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden,Department of Child and Adolescent Psychiatry in Linköping and Department of Biomedical and Clinical Sciences, Linköping University, 58185 Linköping, Sweden
| | - Per A. Gustafsson
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden,Department of Child and Adolescent Psychiatry in Linköping and Department of Biomedical and Clinical Sciences, Linköping University, 58185 Linköping, Sweden
| | - Rebecca Boehme
- Center for Social and Affective Neuroscience, Linköping University, Department of Biomedical and Clinical Sciences, 58185 Linköping, Sweden,Center for Medical Imaging and Visualization, Linköping University, 58185 Linköping, Sweden,Corresponding author at: Center for Social and Affective Neuroscience, The Department of Biomedical and Clinical Sciences, Linköping University, S-581 83 Linköping, Sweden.
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15
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Jalbrzikowski M, Lin A, Vajdi A, Grigoryan V, Kushan L, Ching CRK, Schleifer C, Hayes RA, Chu SA, Sugar CA, Forsyth JK, Bearden CE. Longitudinal trajectories of cortical development in 22q11.2 copy number variants and typically developing controls. Mol Psychiatry 2022; 27:4181-4190. [PMID: 35896619 PMCID: PMC9718681 DOI: 10.1038/s41380-022-01681-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 06/15/2022] [Accepted: 06/27/2022] [Indexed: 02/07/2023]
Abstract
Probing naturally-occurring, reciprocal genomic copy number variations (CNVs) may help us understand mechanisms that underlie deviations from typical brain development. Cross-sectional studies have identified prominent reductions in cortical surface area (SA) and increased cortical thickness (CT) in 22q11.2 deletion carriers (22qDel), with the opposite pattern in duplication carriers (22qDup), but the longitudinal trajectories of these anomalies-and their relationship to clinical symptomatology-are unknown. Here, we examined neuroanatomic changes within a longitudinal cohort of 261 22q11.2 CNV carriers and demographically-matched typically developing (TD) controls (84 22qDel, 34 22qDup, and 143 TD; mean age 18.35, ±10.67 years; 50.47% female). A total of 431 magnetic resonance imaging scans (164 22qDel, 59 22qDup, and 208 TD control scans; mean interscan interval = 20.27 months) were examined. Longitudinal FreeSurfer analysis pipelines were used to parcellate the cortex and calculate average CT and SA for each region. First, general additive mixed models (GAMMs) were used to identify regions with between-group differences in developmental trajectories. Secondly, we investigated whether these trajectories were associated with clinical outcomes. Developmental trajectories of CT were more protracted in 22qDel relative to TD and 22qDup. 22qDup failed to show normative age-related SA decreases. 22qDel individuals with psychosis spectrum symptoms showed two distinct periods of altered CT trajectories relative to 22qDel without psychotic symptoms. In contrast, 22q11.2 CNV carriers with autism spectrum diagnoses showed early alterations in SA trajectories. Collectively, these results provide new insights into altered neurodevelopment in 22q11.2 CNV carriers, which may shed light on neural mechanisms underlying distinct clinical outcomes.
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Affiliation(s)
- Maria Jalbrzikowski
- Department of Psychiatry and Behavioral Sciences, Boston Children's Hospital, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Amy Lin
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
- Neuroscience Interdepartmental Program, University of California, Los Angeles, CA, USA
| | - Ariana Vajdi
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
| | - Vardui Grigoryan
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
| | - Leila Kushan
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
| | - Christopher R K Ching
- Imaging Genetics Center, Mark and Mary Stevens Neuroimaging and Informatics Institute, Keck School of Medicine, University of Southern California, Marina del Rey, CA, USA
| | - Charles Schleifer
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
- Neuroscience Interdepartmental Program, University of California, Los Angeles, CA, USA
| | - Rebecca A Hayes
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Stephanie A Chu
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
- Neuroscience Interdepartmental Program, University of California, Los Angeles, CA, USA
| | - Catherine A Sugar
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
- Department of Biostatistics, University of California, Los Angeles, CA, USA
| | - Jennifer K Forsyth
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA
- Department of Psychology, University of Washington, Seattle, WA, USA
| | - Carrie E Bearden
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA, USA.
- Neuroscience Interdepartmental Program, University of California, Los Angeles, CA, USA.
- Department of Psychology, University of California, Los Angeles, CA, USA.
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16
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Farahani VJ, Altuwayjiri A, Pirhadi M, Verma V, Ruprecht AA, Diapouli E, Eleftheriadis K, Sioutas C. The oxidative potential of particulate matter (PM) in different regions around the world and its relation to air pollution sources. ENVIRONMENTAL SCIENCE: ATMOSPHERES 2022; 2:1076-1086. [PMID: 36277745 PMCID: PMC9476553 DOI: 10.1039/d2ea00043a] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 07/02/2022] [Indexed: 05/19/2023]
Abstract
In this study, we investigated the impact of urban emission sources on the chemical composition of ambient particulate matter (PM) as well as the associated oxidative potential. We collected six sets of PM samples in five urban location sites around the world over long time periods varying from weeks to months, intentionally selected for their PM to be dominated by unique emission sources: (1) PM2.5 produced mainly by traffic emissions in central Los Angeles, United States (US); (2) PM2.5 dominated by biomass burning in Milan, Italy; (3) PM2.5 formed by secondary photochemical reactions thus dominated by secondary aerosols in Athens, Greece; (4) PM10 emitted by refinery and dust resuspension in Riyadh, Saudi Arabia (SA); (5) PM10 generated by dust storms in Riyadh, SA, and (6) PM2.5 produced mainly by industrial and traffic emissions in Beirut, Lebanon. The PM samples were chemically analyzed and their oxidative potential were quantified by employing the dithiothreitol (DTT) assay. Our results revealed that the Milan samples were rich in water soluble organic carbon (WSOC) and PAHs, even exceeding the levels measured on Los Angeles (LA) freeways. The PM in Athens was characterized by high concentrations of inorganic ions, specifically sulfate which was the highest of all PM samples. The ambient PM in LA was impacted by the traffic-emitted primary organic and elemental carbon. Furthermore, the contribution of metals and elements per mass of PM in Riyadh and Beirut samples were more pronounced relative to other sampling areas. The highest intrinsic PM redox activity was observed for PM with the highest WSOC fraction, including Milan (biomass burning) and Athens (secondary organic aerosols, SOA). PM in areas characterized by high metal emissions including dust events, refinery and industry, such as Riyadh and Beirut, had the lowest oxidative potential as assessed by the DTT assay. The results of this study illustrate the impact of major emission sources in urban areas on the redox activity and oxidative potential of ambient PM, providing useful information for developing efficient air pollution control and mitigation policies in polluted areas around the globe.
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Affiliation(s)
- Vahid Jalali Farahani
- University of Southern California, Department of Civil and Environmental Engineering 3620 S. Vermont Ave, KAP210 Los Angeles California 90089 USA +1-213-744-1426 +1-213-740-6134
| | - Abdulmalik Altuwayjiri
- University of Southern California, Department of Civil and Environmental Engineering 3620 S. Vermont Ave, KAP210 Los Angeles California 90089 USA +1-213-744-1426 +1-213-740-6134
- Majmaah University, Department of Civil and Environmental Engineering Majmaah Riyadh Saudi Arabia
| | - Milad Pirhadi
- California Air Resources Board Sacramento California USA
| | - Vishal Verma
- University of Illinois at Urbana Champaign, Department of Civil and Environmental Engineering Urbana Illinois USA
| | | | - Evangelia Diapouli
- Environmental Radioactivity Laboratory, N.C.S.R. Demokritos 15341 Attiki Greece
| | | | - Constantinos Sioutas
- University of Southern California, Department of Civil and Environmental Engineering 3620 S. Vermont Ave, KAP210 Los Angeles California 90089 USA +1-213-744-1426 +1-213-740-6134
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17
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Wang DM, Du YX, Zhu RR, Tian Y, Chen JJ, Chen DC, Wang L, Zhang XY. The relationship between cognitive impairment and superoxide dismutase activity in untreated first-episode patients with schizophrenia. World J Biol Psychiatry 2022; 23:517-524. [PMID: 34918615 DOI: 10.1080/15622975.2021.2013093] [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] [Indexed: 01/25/2023]
Abstract
Objectives: Cognitive decline is an essential characteristic of schizophrenia and may be due to the disturbance between reactive oxygen species generation and antioxidant capacity. The study aimed to explore the association between cognitive deficits and antioxidant defence parameters in untreated first-episode patients with schizophrenia.Methods: We determined important antioxidant enzymes, total superoxide dismutase (SOD) and manganese SOD (MnSOD), and their relationship with cognitive impairment in 168 untreated patients with first-episode schizophrenia and 168 age- and sex-matched healthy controls. The evaluation of psychopathological symptoms of all patients was based on the Positive and Negative Syndrome Scale (PANSS). We measured cognitive function by the Repeated Battery for the Assessment of Neuropsychological Status (RBANS) and activities of total SOD and MnSOD in all participants.Results: The results showed that untreated patients with first-episode schizophrenia had deficient cognitive functioning in four RBANS indices and total scores, except for the visuospatial/constructional index, as well as higher plasma total SOD activity compared with the control subjects. In addition, significant negative correlations were identified between MnSOD activity and attention index or RBANS total score in patients.Conclusions: Our results suggest that oxidative stress may be partly responsible for cognitive dysfunction in the early course of schizophrenia.
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Affiliation(s)
- Dong Mei Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yu Xuan Du
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Rong Rong Zhu
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yang Tian
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Jia Jing Chen
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | | | - Li Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Xiang Yang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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18
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The CADM2 Gene and Behavior: A Phenome-Wide Scan in UK-Biobank. Behav Genet 2022; 52:306-314. [PMID: 35867259 PMCID: PMC9463269 DOI: 10.1007/s10519-022-10109-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 07/04/2022] [Indexed: 11/02/2022]
Abstract
The cell adhesion molecule 2 (CADM2) gene has appeared among the top associations in a wide range of genome-wide association studies (GWASs). This study aims to: (1) examine how widespread the role of CADM2 is in behavioural traits, and (2) investigate trait-specific effects on CADM2 expression levels across tissues. We conducted a phenome-wide association study in UK Biobank (N = 12,211-453,349) on 242 psycho-behavioral traits, both at the SNP and the gene-level. For comparison, we repeated the analyses for other large (and high LD) genes. We found significant associations between CADM2 and 50 traits (including cognitive, risk taking, and dietary traits), many more than for the comparison genes. We show that many trait associations are reduced when taking geographical stratification into account. S-Predixcan revealed that CADM2 expression in brain tissues was significantly associated with many traits; highly significant effects were also observed for lung, mammary, and adipose tissues. In conclusion, this study shows that the role of CADM2 extends to a wide range of psycho-behavioral traits, suggesting these traits may share a common biological denominator.
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19
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Wang Y, Herzig G, Molano C, Liu A. Differential expression of the Tmem132 family genes in the developing mouse nervous system. Gene Expr Patterns 2022; 45:119257. [PMID: 35690356 DOI: 10.1016/j.gep.2022.119257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/01/2022] [Accepted: 06/03/2022] [Indexed: 11/15/2022]
Abstract
The family of novel transmembrane proteins (TMEM) 132 have been associated with multiple neurological disorders and cancers in humans, but have hardly been studied in vivo. Here we report the expression patterns of the five Tmem132 genes (a, b, c, d and e) in developing mouse nervous system with RNA in situ hybridization in wholemount embryos and tissue sections. Our results reveal differential and partially overlapping expression of multiple Tmem132 family members in both the central and peripheral nervous system, suggesting potential partial redundancy among them.
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Affiliation(s)
- Yuan Wang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, PR China; Department of Biology, Eberly College of Science and Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Graham Herzig
- Department of Biology, Eberly College of Science and Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Cassandra Molano
- Department of Biology, Eberly College of Science and Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Aimin Liu
- Department of Biology, Eberly College of Science and Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA, USA.
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20
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Margolis AE, Liu R, Conceição VA, Ramphal B, Pagliaccio D, DeSerisy ML, Koe E, Selmanovic E, Raudales A, Emanet N, Quinn AE, Beebe B, Pearson BL, Herbstman JB, Rauh VA, Fifer WP, Fox NA, Champagne FA. Convergent neural correlates of prenatal exposure to air pollution and behavioral phenotypes of risk for internalizing and externalizing problems: Potential biological and cognitive pathways. Neurosci Biobehav Rev 2022; 137:104645. [PMID: 35367513 DOI: 10.1016/j.neubiorev.2022.104645] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/20/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023]
Abstract
Humans are ubiquitously exposed to neurotoxicants in air pollution, causing increased risk for psychiatric outcomes. Effects of prenatal exposure to air pollution on early emerging behavioral phenotypes that increase risk of psychopathology remain understudied. We review animal models that represent analogues of human behavioral phenotypes that are risk markers for internalizing and externalizing problems (behavioral inhibition, behavioral exuberance, irritability), and identify commonalities among the neural mechanisms underlying these behavioral phenotypes and the neural targets of three types of air pollutants (polycyclic aromatic hydrocarbons, traffic-related air pollutants, fine particulate matter < 2.5 µm). We conclude that prenatal exposure to air pollutants increases risk for behavioral inhibition and irritability through distinct mechanisms, including altered dopaminergic signaling and hippocampal morphology, neuroinflammation, and decreased brain-derived neurotrophic factor expression. Future studies should investigate these effects in human longitudinal studies incorporating complex exposure measurement methods, neuroimaging, and behavioral characterization of temperament phenotypes and neurocognitive processing to facilitate efforts aimed at improving long-lasting developmental benefits for children, particularly those living in areas with high levels of exposure.
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Affiliation(s)
- Amy E Margolis
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
| | - Ran Liu
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Vasco A Conceição
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Bruce Ramphal
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - David Pagliaccio
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Mariah L DeSerisy
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Emily Koe
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Ena Selmanovic
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Amarelis Raudales
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Nur Emanet
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Aurabelle E Quinn
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA
| | - Beatrice Beebe
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Brandon L Pearson
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Julie B Herbstman
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA; Columbia Center for Children's Environmental Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Virginia A Rauh
- Columbia Center for Children's Environmental Health, Mailman School of Public Health, Columbia University, New York, NY, USA; Heilbrunn Department of Population & Family Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - William P Fifer
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Pediatrics, Columbia University Medical Center, New York, NY, USA; Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
| | - Nathan A Fox
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD, USA; Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, USA
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21
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Townsend RF, Woodside JV, Prinelli F, O'Neill RF, McEvoy CT. Associations Between Dietary Patterns and Neuroimaging Markers: A Systematic Review. Front Nutr 2022; 9:806006. [PMID: 35571887 PMCID: PMC9097077 DOI: 10.3389/fnut.2022.806006] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 03/16/2022] [Indexed: 12/13/2022] Open
Abstract
Dementia is a complex, growing challenge for population health worldwide. Dietary patterns (DPs) may offer an opportunity to beneficially influence cognitive ageing and potentially reduce an individuals’ risk of dementia through diet-related mechanisms. However, previous studies within this area have shown mixed results, which may be partly explained by the lack of sensitivity and accuracy within cognitive testing methods. Novel neuroimaging techniques provide a sensitive method to analyse brain changes preceding cognitive impairment which may have previously remained undetected. The purpose of this systematic review was to elucidate the role of DPs in relation to brain ageing processes, by summarising current prospective and intervention studies. Nine prospective studies met the inclusion criteria for the review, seven evaluated the Mediterranean diet (MeDi), one evaluated the Alternative Healthy Eating Index-2010, and one evaluated a posteriori derived DPs. No intervention studies were eligible for inclusion in this review. There was some evidence of an association between healthy DPs and neuroimaging markers including changes within these markers over time. Consequently, it is plausible that better adherence to such DPs may positively influence brain ageing and neurodegeneration. Future studies may benefit from the use of multi-modal neuroimaging techniques, to further investigate how adherence to a DP influences brain health. The review also highlights the crucial need for further intervention studies within this research area.
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Affiliation(s)
- Rebecca F Townsend
- Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom
| | - Jayne V Woodside
- Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom.,Institute for Global Food Security, Queen's University Belfast, Belfast, United Kingdom
| | - Federica Prinelli
- Institute of Biomedical Technologies, National Research Council, Milan, Italy
| | - Roisin F O'Neill
- Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom
| | - Claire T McEvoy
- Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom.,Institute for Global Food Security, Queen's University Belfast, Belfast, United Kingdom
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22
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Czamara D, Neufang A, Dieterle R, Iurato S, Arloth J, Martins J, Ising M, Binder EE, Erhardt A. Effects of stressful life-events on DNA methylation in panic disorder and major depressive disorder. Clin Epigenetics 2022; 14:55. [PMID: 35477560 PMCID: PMC9047302 DOI: 10.1186/s13148-022-01274-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/07/2022] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Panic disorder (PD) is characterized by recurrent panic attacks and higher affection of women as compared to men. The lifetime prevalence of PD is about 2-3% in the general population leading to tremendous distress and disability. Etiologically, genetic and environmental factors, such as stress, contribute to the onset and relapse of PD. In the present study, we investigated epigenome-wide DNA methylation (DNAm) in respond to a cumulative, stress-weighted life events score (wLE) in patients with PD and its boundary to major depressive disorder (MDD), frequently co-occurring with symptoms of PD. METHODS DNAm was assessed by the Illumina HumanMethylation450 BeadChip. In a meta-analytic approach, epigenome-wide DNAm changes in association with wLE were first analyzed in two PD cohorts (with a total sample size of 183 PD patients and 85 healthy controls) and lastly in 102 patients with MDD to identify possible overlapping and opposing effects of wLE on DNAm. Additionally, analysis of differentially methylated regions (DMRs) was conducted to identify regional clusters of association. RESULTS Two CpG-sites presented with p-values below 1 × 10-05 in PD: cg09738429 (p = 6.40 × 10-06, located in an intergenic shore region in next proximity of PYROXD1) and cg03341655 (p = 8.14 × 10-06, located in the exonic region of GFOD2). The association of DNAm at cg03341655 and wLE could be replicated in the independent MDD case sample indicating a diagnosis independent effect. Genes mapping to the top hits were significantly upregulated in brain and top hits have been implicated in the metabolic system. Additionally, two significant DMRs were identified for PD only on chromosome 10 and 18, including CpG-sites which have been reported to be associated with anxiety and other psychiatric phenotypes. CONCLUSION This first DNAm analysis in PD reveals first evidence of small but significant DNAm changes in PD in association with cumulative stress-weighted life events. Most of the top associated CpG-sites are located in genes implicated in metabolic processes supporting the hypothesis that environmental stress contributes to health damaging changes by affecting a broad spectrum of systems in the body.
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Affiliation(s)
- Darina Czamara
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany.
| | - Alexa Neufang
- Institute of Statistics, Faculty of Mathematics, Informatics and Statistics, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Roman Dieterle
- Institute of Statistics, Faculty of Mathematics, Informatics and Statistics, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Stella Iurato
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany
| | - Janine Arloth
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany
| | - Jade Martins
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany
| | - Marcus Ising
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany
| | - Elisabeth E Binder
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany.,Department of Psychiatry and Behavioral Sciences, School of Medicine, Emory University, Atlanta, GA, USA
| | - Angelika Erhardt
- Translational Department, Max Planck Institute for Psychiatry, Kraepelinstrasse 2+10, 80804, Munich, Germany.,Department of Psychiatry, Psychosomatics and Psychotherapy, Centre of Mental Health, Julius-Maximilians-University, Wuerzburg, Germany
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23
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Molecular Alterations of the Endocannabinoid System in Psychiatric Disorders. Int J Mol Sci 2022; 23:ijms23094764. [PMID: 35563156 PMCID: PMC9104141 DOI: 10.3390/ijms23094764] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 02/07/2023] Open
Abstract
The therapeutic benefits of the current medications for patients with psychiatric disorders contrast with a great variety of adverse effects. The endocannabinoid system (ECS) components have gained high interest as potential new targets for treating psychiatry diseases because of their neuromodulator role, which is essential to understanding the regulation of many brain functions. This article reviewed the molecular alterations in ECS occurring in different psychiatric conditions. The methods used to identify alterations in the ECS were also described. We used a translational approach. The animal models reproducing some behavioral and/or neurochemical aspects of psychiatric disorders and the molecular alterations in clinical studies in post-mortem brain tissue or peripheral tissues were analyzed. This article reviewed the most relevant ECS changes in prevalent psychiatric diseases such as mood disorders, schizophrenia, autism, attentional deficit, eating disorders (ED), and addiction. The review concludes that clinical research studies are urgently needed for two different purposes: (1) To identify alterations of the ECS components potentially useful as new biomarkers relating to a specific disease or condition, and (2) to design new therapeutic targets based on the specific alterations found to improve the pharmacological treatment in psychiatry.
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24
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Hou K, Wu ZX, Chen XY, Wang JQ, Zhang D, Xiao C, Zhu D, Koya JB, Wei L, Li J, Chen ZS. Microbiota in health and diseases. Signal Transduct Target Ther 2022; 7:135. [PMID: 35461318 PMCID: PMC9034083 DOI: 10.1038/s41392-022-00974-4] [Citation(s) in RCA: 535] [Impact Index Per Article: 267.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/11/2022] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
The role of microbiota in health and diseases is being highlighted by numerous studies since its discovery. Depending on the localized regions, microbiota can be classified into gut, oral, respiratory, and skin microbiota. The microbial communities are in symbiosis with the host, contributing to homeostasis and regulating immune function. However, microbiota dysbiosis can lead to dysregulation of bodily functions and diseases including cardiovascular diseases (CVDs), cancers, respiratory diseases, etc. In this review, we discuss the current knowledge of how microbiota links to host health or pathogenesis. We first summarize the research of microbiota in healthy conditions, including the gut-brain axis, colonization resistance and immune modulation. Then, we highlight the pathogenesis of microbiota dysbiosis in disease development and progression, primarily associated with dysregulation of community composition, modulation of host immune response, and induction of chronic inflammation. Finally, we introduce the clinical approaches that utilize microbiota for disease treatment, such as microbiota modulation and fecal microbial transplantation.
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Affiliation(s)
- Kaijian Hou
- Department of Endocrine and Metabolic Diseases, Longhu Hospital, The First Affiliated Hospital of Medical College of Shantou University, Shantou, Guangdong, 515000, China
| | - Zhuo-Xun Wu
- Department of Pharmaceutical Sciences, Institute for Biotechnology, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Xuan-Yu Chen
- Department of Pharmaceutical Sciences, Institute for Biotechnology, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Jing-Quan Wang
- Department of Pharmaceutical Sciences, Institute for Biotechnology, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Dongya Zhang
- Microbiome Research Center, Moon (Guangzhou) Biotech Ltd, Guangzhou, 510535, China
| | - Chuanxing Xiao
- Department of Endocrine and Metabolic Diseases, Longhu Hospital, The First Affiliated Hospital of Medical College of Shantou University, Shantou, Guangdong, 515000, China
| | - Dan Zhu
- Department of Endocrine and Metabolic Diseases, Longhu Hospital, The First Affiliated Hospital of Medical College of Shantou University, Shantou, Guangdong, 515000, China
| | - Jagadish B Koya
- Department of Pharmaceutical Sciences, Institute for Biotechnology, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Liuya Wei
- School of Pharmacy, Weifang Medical University, Weifang, Shandong, 261053, China
| | - Jilin Li
- Department of Cardiovascular, The Second Affiliated Hospital of Medical College of Shantou University, Shantou, Guangdong, 515000, China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, Institute for Biotechnology, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
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25
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Ji Y, Chen R, Wang Q, Wei Q, Tao R, Li B. A Bayesian framework to integrate multi-level genome-scale data for Autism risk gene prioritization. BMC Bioinformatics 2022; 23:146. [PMID: 35459094 PMCID: PMC9034518 DOI: 10.1186/s12859-022-04616-y] [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: 05/23/2021] [Accepted: 02/15/2022] [Indexed: 12/03/2022] Open
Abstract
Background Autism spectrum disorder (ASD) is a group of complex neurodevelopment disorders with a strong genetic basis. Large scale sequencing studies have identified over one hundred ASD risk genes. Nevertheless, the vast majority of ASD risk genes remain to be discovered, as it is estimated that more than 1000 genes are likely to be involved in ASD risk. Prioritization of risk genes is an effective strategy to increase the power of identifying novel risk genes in genetics studies of ASD. As ASD risk genes are likely to exhibit distinct properties from multiple angles, we reason that integrating multiple levels of genomic data is a powerful approach to pinpoint genuine ASD risk genes. Results We present BNScore, a Bayesian model selection framework to probabilistically prioritize ASD risk genes through explicitly integrating evidence from sequencing-identified ASD genes, biological annotations, and gene functional network. We demonstrate the validity of our approach and its improved performance over existing methods by examining the resulting top candidate ASD risk genes against sets of high-confidence benchmark genes and large-scale ASD genome-wide association studies. We assess the tissue-, cell type- and development stage-specific expression properties of top prioritized genes, and find strong expression specificity in brain tissues, striatal medium spiny neurons, and fetal developmental stages. Conclusions In summary, we show that by integrating sequencing findings, functional annotation profiles, and gene-gene functional network, our proposed BNScore provides competitive performance compared to current state-of-the-art methods in prioritizing ASD genes. Our method offers a general and flexible strategy to risk gene prioritization that can potentially be applied to other complex traits as well. Supplementary Information The online version contains supplementary material available at 10.1186/s12859-022-04616-y.
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Affiliation(s)
- Ying Ji
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, 37212, USA.,Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Rui Chen
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, 37212, USA.,Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Quan Wang
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, 37212, USA.,Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Qiang Wei
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, 37212, USA.,Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Ran Tao
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, 37212, USA. .,Department of Biostatistics, Vanderbilt University, Nashville, TN, 37212, USA.
| | - Bingshan Li
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, 37212, USA. .,Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN, 37212, USA.
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26
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Santos RPM, Ribeiro R, Ferreira-Vieira TH, Aires RD, de Souza JM, Oliveira BS, Lima ALD, de Oliveira ACP, Reis HJ, de Miranda AS, Vieira EML, Ribeiro FM, Vieira LB. Metabotropic glutamate receptor 5 knockout rescues obesity phenotype in a mouse model of Huntington's disease. Sci Rep 2022; 12:5621. [PMID: 35379852 PMCID: PMC8980063 DOI: 10.1038/s41598-022-08924-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 02/17/2022] [Indexed: 12/12/2022] Open
Abstract
Obesity represents a global health problem and is characterized by metabolic dysfunctions and a low-grade chronic inflammatory state, which can increase the risk of comorbidities, such as atherosclerosis, diabetes and insulin resistance. Here we tested the hypothesis that the genetic deletion of metabotropic glutamate receptor 5 (mGluR5) may rescue metabolic and inflammatory features present in BACHD mice, a mouse model of Huntington's disease (HD) with an obese phenotype. For that, we crossed BACHD and mGluR5 knockout mice (mGluR5-/-) in order to obtain the following groups: Wild type (WT), mGluR5-/-, BACHD and BACHD/mGluR5-/- (double mutant mice). Our results showed that the double mutant mice present decreased body weight as compared to BACHD mice in all tested ages and reduced visceral adiposity as compared to BACHD at 6 months of age. Additionally, 12-month-old double mutant mice present increased adipose tissue levels of adiponectin, decreased leptin levels, and increased IL-10/TNF ratio as compared to BACHD mice. Taken together, our preliminary data propose that the absence of mGluR5 reduce weight gain and visceral adiposity in BACHD mice, along with a decrease in the inflammatory state in the visceral adipose tissue (VAT), which may indicate that mGluR5 may play a role in adiposity modulation.
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Affiliation(s)
- Rebeca P M Santos
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
| | - Roberta Ribeiro
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
| | - Talita H Ferreira-Vieira
- Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil
- Faculdade Sete Lagoas, Sete Lagoas, Brazil
| | - Rosaria D Aires
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
- Faculdade Sete Lagoas, Sete Lagoas, Brazil
| | - Jessica M de Souza
- Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil
| | - Bruna S Oliveira
- Departamento de Morfologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Anna Luiza D Lima
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
| | - Antônio Carlos P de Oliveira
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
| | - Helton J Reis
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
| | - Aline S de Miranda
- Departamento de Morfologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Erica M L Vieira
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil
| | - Fabiola M Ribeiro
- Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil.
| | - Luciene B Vieira
- Departamento de Farmacologia, ICB, Universidade Federal de Minas Gerais, Ave. Antonio Carlos 6627, Belo Horizonte, MG, CEP 31270-901, Brazil.
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27
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Vasileva SS, Tucker J, Siskind D, Eyles D. Does the gut microbiome mediate antipsychotic-induced metabolic side effects in schizophrenia? Expert Opin Drug Saf 2022; 21:625-639. [PMID: 35189774 DOI: 10.1080/14740338.2022.2042251] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Second-generation antipsychotics (SGAs) are the most effective treatment for people with schizophrenia. Despite their effectiveness in treating psychotic symptoms, they have been linked to metabolic, cardiovascular and gastrointestinal side-effects. The gut microbiome has been implicated in potentiating symptoms of schizophrenia, response to treatment and medication-induced side effects and thus presents a novel target mediating second-generation antipsychotic-induced side effects in patients. AREAS COVERED This narrative review presents evidence from clinical and pre-clinical studies exploring the relationship between the gut microbiome, schizophrenia, second-generation antipsychotics and antipsychotic-induced side-effects. It also covers evidence for psychobiotic treatment as a potential supplementary therapy for people with schizophrenia. EXPERT OPINION The gut microbiome has the potential to mediate antipsychotic-induced side-effects in people with schizophrenia. Microbiome-focused treatments should be considered in combination with standard therapy in order to ameliorate debilitating drug-induced side effects, increase quality of life and potentially improve psychotic symptoms. Future studies should aim to collect not only microbiome data, but also metabolomic measures, dietary information and behavioral data.
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Affiliation(s)
| | - Jack Tucker
- Metro South Addiction and Mental Health Service, Metro South Health, Brisbane, Australia.,University of Queensland School of Clinical Medicine, Brisbane, Australia
| | - Dan Siskind
- Queensland Brain Institute, University of Queensland, Brisbane, Australia.,Metro South Addiction and Mental Health Service, Metro South Health, Brisbane, Australia.,University of Queensland School of Clinical Medicine, Brisbane, Australia.,Queensland Centre for Mental Health Research, Brisbane, Australia
| | - Darryl Eyles
- Queensland Brain Institute, University of Queensland, Brisbane, Australia.,Queensland Centre for Mental Health Research, Brisbane, Australia
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28
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Ardakanian A, Ghasemzadeh Rahbardar M, Omidkhoda F, Razavi BM, Hosseinzadeh H. Effect of alpha-mangostin on olanzapine-induced metabolic disorders in rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2022; 25:198-207. [PMID: 35655598 PMCID: PMC9124543 DOI: 10.22038/ijbms.2022.58734.13047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 01/11/2022] [Indexed: 11/16/2022]
Abstract
Objectives As olanzapine has side effects such as weight gain and metabolic disorders, and alpha-mangostin has been shown to control metabolic disorders, the effects of alpha-mangostin on metabolic disorders induced by olanzapine were investigated in this study. Materials and Methods Obesity was induced in female Wistar rats by daily administration of olanzapine (5 mg/kg/day, IP, 14 days). Rats were divided into 6 groups:1) vehicle (control); 2) olanzapine (5 mg/kg/day); 3,4,5) olanzapine+ alpha-mangostin (10, 20, 40 mg/kg/day, IP); 6) alpha-mangostin (40 mg/kg/day). Weight changes were measured every 3 days and food intake was assessed every day. Systolic blood pressure, plasma levels of blood sugar, triglycerides, total cholesterol, HDL, LDL, leptin, oxidative stress markers (MDA, GSH), AMPK, and P-AMPK protein levels in liver tissue were assessed on the last day of the study. Results Administration of olanzapine significantly increased weight gain, food intake, blood pressure, triglycerides, LDL, blood sugar, leptin, and MDA in rat liver tissue and also decreased GSH, AMPK, and P-AMPK in liver tissue compared with the control group. Different doses of alpha-mangostin significantly reduced weight gain, food intake, systolic blood pressure, triglycerides, LDL, blood sugar, leptin, and MDA. Also, they significantly increased GSH, AMPK, and P-AMPK in liver tissue compared with the olanzapine group. Conclusion Olanzapine increases leptin levels, food intake, and weight, induces oxidative stress, decreases the levels of AMPK and P-AMPK proteins in liver tissue, and causes metabolic disorders. But, alpha-mangostin reduces the negative effects of olanzapine by activation of AMPK.
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Affiliation(s)
- Alireza Ardakanian
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Farzaneh Omidkhoda
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran, Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran,Corresponding authors: Hossein Hosseinzadeh. Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. Tel.: +98-51-31801193; Fax: +98-51-38823251; ; Bibi Marjan Razavi. Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. Tel: +98-51-31801194; Fax: +98-51-38823251;
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran, Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran,Corresponding authors: Hossein Hosseinzadeh. Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. Tel.: +98-51-31801193; Fax: +98-51-38823251; ; Bibi Marjan Razavi. Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. Tel: +98-51-31801194; Fax: +98-51-38823251;
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29
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A multimodal study of a first episode psychosis cohort: potential markers of antipsychotic treatment resistance. Mol Psychiatry 2022; 27:1184-1191. [PMID: 34642460 PMCID: PMC9001745 DOI: 10.1038/s41380-021-01331-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 09/17/2021] [Accepted: 09/29/2021] [Indexed: 11/13/2022]
Abstract
Treatment resistant (TR) psychosis is considered to be a significant cause of disability and functional impairment. Numerous efforts have been made to identify the clinical predictors of TR. However, the exploration of molecular and biological markers is still at an early stage. To understand the TR condition and identify potential molecular and biological markers, we analyzed demographic information, clinical data, structural brain imaging data, and molecular brain imaging data in 7 Tesla magnetic resonance spectroscopy from a first episode psychosis cohort that includes 136 patients. Age, gender, race, smoking status, duration of illness, and antipsychotic dosages were controlled in the analyses. We found that TR patients had a younger age at onset, more hospitalizations, more severe negative symptoms, a reduction in the volumes of the hippocampus (HP) and superior frontal gyrus (SFG), and a reduction in glutathione (GSH) levels in the anterior cingulate cortex (ACC), when compared to non-TR patients. The combination of multiple markers provided a better classification between TR and non-TR patients compared to any individual marker. Our study shows that ACC-GSH, HP and SFG volumes, and age at onset, could potentially be biomarkers for TR diagnosis, while hospitalization and negative symptoms could be used to evaluate the progression of the disease. Multimodal cohorts are essential in obtaining a comprehensive understanding of brain disorders.
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30
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Barandouzi ZA, Lee J, Del Carmen Rosas M, Chen J, Henderson WA, Starkweather AR, Cong XS. Associations of neurotransmitters and the gut microbiome with emotional distress in mixed type of irritable bowel syndrome. Sci Rep 2022; 12:1648. [PMID: 35102266 PMCID: PMC8803858 DOI: 10.1038/s41598-022-05756-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 01/12/2022] [Indexed: 02/08/2023] Open
Abstract
Evidence highlights the comorbidity between emotional distress and irritable bowel syndrome (IBS) through the gut-brain axis. However, the underlying mechanism is largely unknown. Thus, the present study aimed to evaluate the associations among neurotransmitter levels and the gut microbiome profiles in persons with IBS and emotional distress. In this nested case-controlled study, emotional symptoms, including anxiety and depressive symptoms, were evaluated in 40 persons with IBS and 20 healthy controls (HC). Plasma neurotransmitters levels (serotonin and norepinephrine) and the gut microbiome profile of the collected fecal samples were examined. Emotional distress and microbiome profile were significantly different between IBS and HC groups. Lower but not significant neurotransmitters' levels (serotonin and norepinephrine) were observed in the IBS group compared to the HC. A negative correlation was found between norepinephrine levels and alpha diversity (Shannon and Simpson indices) in the IBS group. Moreover, serotonin levels were positively associated with the abundance of Proteobacteria, and norepinephrine were positively correlated with Bacteroidetes, but negatively associated with Firmicutes phylum. The present study demonstrated alteration in the gut microbiome between persons with IBS and emotional distress compared to HC. The correlations between plasma neurotransmitters and the gut microbiome suggest that the gut microbiome may impact the regulation of neurotransmitters.
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Affiliation(s)
- Zahra A Barandouzi
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA
- School of Nursing, Emory University, 1520 Clifton Rd, Atlanta, GA, 30322, USA
| | - Joochul Lee
- Department of Statistics, University of Connecticut, 215 Glenbrook Road, U-4120, Storrs, CT, 06269-4120, USA
- Department of Biostatistics and Epidemiology, University of Pennsylvania, 423 Guardian Dr, Philadelphia, PA, 19104, USA
| | - Maria Del Carmen Rosas
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA
| | - Jie Chen
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA
- School of Nursing, University of Maryland, 655 W Lombard St, Baltimore, MD, 21201, USA
| | - Wendy A Henderson
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA
| | - Angela R Starkweather
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA
| | - Xiaomei S Cong
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA.
- Biobehavioral Research Laboratory, School of Nursing, University of Connecticut, 231 Glenbrook Road, Unit 4026, Storrs, CT, 06269-4026, USA.
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31
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Beeraka NM, Avila-Rodriguez MF, Aliev G. Recent Reports on Redox Stress-Induced Mitochondrial DNA Variations, Neuroglial Interactions, and NMDA Receptor System in Pathophysiology of Schizophrenia. Mol Neurobiol 2022; 59:2472-2496. [PMID: 35083660 DOI: 10.1007/s12035-021-02703-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/14/2021] [Indexed: 10/19/2022]
Abstract
Schizophrenia (SZ) is a chronic psychiatric disorder affecting several people worldwide. Mitochondrial DNA (mtDNA) variations could invoke changes in the OXPHOS system, calcium buffering, and ROS production, which have significant implications for glial cell survival during SZ. Oxidative stress has been implicated in glial cells-mediated pathogenesis of SZ; the brain comparatively more prone to oxidative damage through NMDAR. A confluence of scientific evidence points to mtDNA alterations, Nrf2 signaling, dynamic alterations in dorsolateral prefrontal cortex (DLPFC), and provocation of oxidative stress that enhance pathophysiology of SZ. Furthermore, the alterations in excitatory signaling related to NMDAR signaling were particularly reported for SZ pathophysiology. Current review reported the recent evidence for the role of mtDNA variations and oxidative stress in relation to pathophysiology of SZ, NMDAR hypofunction, and glutathione deficiency. NMDAR system is influenced by redox dysregulation in oxidative stress, inflammation, and antioxidant mediators. Several studies have demonstrated the relationship of these variables on severity of pathophysiology in SZ. An extensive literature search was conducted using Medline, PubMed, PsycINFO, CINAHL PLUS, BIOSIS Preview, Google scholar, and Cochrane databases. We summarize consistent evidence pointing out a plausible model that may elucidate the crosstalk between mtDNA alterations in glial cells and redox dysregulation during oxidative stress and the perturbation of NMDA neurotransmitter system during current therapeutic modalities for the SZ treatment. This review can be beneficial for the development of promising novel diagnostics, and therapeutic modalities by ascertaining the mtDNA variations, redox state, and efficacy of pharmacological agents to mitigate redox dysregulation and augment NMDAR function to treat cognitive and behavioral symptoms in SZ.
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Affiliation(s)
- Narasimha M Beeraka
- Department of Human Anatomy, I M Sechenov First Moscow State Medical University (Sechenov University), St. Trubetskaya, 8, bld. 2, Moscow, 119991, Russia.
| | - Marco F Avila-Rodriguez
- Faculty of Health Sciences, Department of Clinical Sciences, Barrio Santa Helena, University of Tolima, 730006, Ibagué, Colombia
| | - Gjumrakch Aliev
- Department of Human Anatomy, I M Sechenov First Moscow State Medical University (Sechenov University), St. Trubetskaya, 8, bld. 2, Moscow, 119991, Russia.,Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, Moscow Region, 142432, Russia.,Research Institute of Human Morphology, 3 Tsyurupy Street, Moscow, 117418, Russia.,GALLY International Research Institute, 7733 Louis Pasteur Drive, #330, San Antonio, TX, 78229, USA
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32
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Jadnanansing R, de Beurs E, Etwaroo K, Blankers M, Dwarkasing R, Peen J, Lumsden V, Bipat R, Dekker J. A survey of depression and anxiety disorders in urban and rural Suriname. BMC Public Health 2022; 22:51. [PMID: 34998381 PMCID: PMC8742324 DOI: 10.1186/s12889-021-12454-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 12/21/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Suriname is a Low-middle income country consisting of diverse population groups. Epidemiological studies concerning mental disorders like depression and anxiety had not been conducted until 2015. The treatment gap for mental disorders in Low and middle-income countries (LMICs) may reach 76-80% as treatment is not always readily available. In this study, we estimate and compare the prevalence of potential cases of depression and anxiety, as well as the size of the treatment gap in a rural (Nickerie) and urban (Paramaribo) region of Suriname, a lower middle-income country. METHODS Subjects were selected by a specific sampling method of the national census bureau. The Center for Epidemiological Studies-Depression (CES-D) was used to assess depression. Generalized anxiety disorder was assessed with the Generalized Anxiety Disorder 7 (GAD-7) and The Agoraphobic Cognitions Questionnaire (ACQ), the Body Sensations Questionnaire (BSQ) were used to assess Panic disorder. The treatment gap was calculated by estimating the percentage of subjects with depression or anxiety that did not seek out professional help. RESULTS About 18% of the respondents from Nickerie and 16% from Paramaribo were at risk of depression and the established cut-off values of the instruments used indicate that about 3-4% in both regions may suffer from Generalized Anxiety Disorder. Women in both samples were most at risk of high anxiety about body sensations and maladaptive thoughts about panic. The treatment gap varies between 78 and 100% for the two disorders. CONCLUSIONS A high depression rate has been found in both areas, especially among young females. In addition, a high treatment gap is noted which insinuates that more therapeutic strategies are required to tackle depression and anxiety in Suriname.
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Affiliation(s)
- Raj Jadnanansing
- Center for Psychiatry in Suriname and Faculty of Social Science, Anton de Kom University of Suriname, Letitia Vriesdelaan 1 - 3, Paramaribo, Suriname.
| | - Edwin de Beurs
- Research Department, Arkin Mental Health Institute, Amsterdam, The Netherlands.,Department of Clinical Psychology, Faculty of Social Sciences, Leiden University, Leiden, The Netherlands
| | - Kajal Etwaroo
- Center for Psychiatry in Suriname and Faculty of Social Science, Anton de Kom University of Suriname, Letitia Vriesdelaan 1 - 3, Paramaribo, Suriname
| | - Matthijs Blankers
- Research Department, Arkin Mental Health Institute, Amsterdam, The Netherlands
| | - Rudi Dwarkasing
- Center for Psychiatry in Suriname and Department of Psychiatry, Anton de Kom University of Suriname, Paramaribo, Suriname
| | - Jaap Peen
- Research Department, Arkin Mental Health Institute, Amsterdam, The Netherlands
| | - Vincent Lumsden
- Center for Psychiatry in Suriname and Department of Psychiatry, Anton de Kom University of Suriname, Paramaribo, Suriname
| | - Robbert Bipat
- Department of Physiology, Faculty of Medicine, Anton de Kom University of Suriname, Paramaribo, Suriname
| | - Jack Dekker
- Research Department, Arkin Mental Health Institute, Amsterdam, The Netherlands.,Department of Clinical Psychology, VU University Amsterdam, Amsterdam, The Netherlands
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33
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Singh R, Stogios N, Smith E, Lee J, Maksyutynsk K, Au E, Wright DC, De Palma G, Graff-Guerrero A, Gerretsen P, Müller DJ, Remington G, Hahn M, Agarwal SM. Gut microbiome in schizophrenia and antipsychotic-induced metabolic alterations: a scoping review. Ther Adv Psychopharmacol 2022; 12:20451253221096525. [PMID: 35600753 PMCID: PMC9118432 DOI: 10.1177/20451253221096525] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 04/07/2022] [Indexed: 12/11/2022] Open
Abstract
Schizophrenia (SCZ) is a severe mental disorder with high morbidity and lifetime disability rates. Patients with SCZ have a higher risk of developing metabolic comorbidities such as obesity and diabetes mellitus, leading to increased mortality. Antipsychotics (APs), which are the mainstay in the treatment of SCZ, increase the risk of these metabolic perturbations. Despite extensive research, the mechanism underlying SCZ pathophysiology and associated metabolic comorbidities remains unclear. In recent years, gut microbiota (GMB) has been regarded as a 'chamber of secrets', particularly in the context of severe mental illnesses such as SCZ, depression, and bipolar disorder. In this scoping review, we aimed to investigate the underlying role of GMB in the pathophysiology of SCZ and metabolic alterations associated with APs. Furthermore, we also explored the therapeutic benefits of prebiotic and probiotic formulations in managing SCZ and AP-induced metabolic alterations. A systematic literature search yielded 46 studies from both preclinical and clinical settings that met inclusion criteria for qualitative synthesis. Preliminary evidence from preclinical and clinical studies indicates that GMB composition changes are associated with SCZ pathogenesis and AP-induced metabolic perturbations. Fecal microbiota transplantation from SCZ patients to mice has been shown to induce SCZ-like behavioral phenotypes, further supporting the plausible role of GMB in SCZ pathogenesis. This scoping review recapitulates the preclinical and clinical evidence suggesting the role of GMB in SCZ symptomatology and metabolic adverse effects associated with APs. Moreover, this scoping review also discusses the therapeutic potentials of prebiotic/probiotic formulations in improving SCZ symptoms and attenuating metabolic alterations related to APs.
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Affiliation(s)
- Raghunath Singh
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Nicolette Stogios
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Emily Smith
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Jiwon Lee
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Kateryna Maksyutynsk
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Emily Au
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - David C Wright
- Human Health and Nutritional Sciences, University of Guelph, Guelph, ON, Canada
| | - Giada De Palma
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Ariel Graff-Guerrero
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Philip Gerretsen
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Daniel J Müller
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Gary Remington
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Margaret Hahn
- Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Sri Mahavir Agarwal
- Staff Psychiatrist and Clinician-Scientist, Medical Head, Clinical Research, Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), 1051 Queen Street W, Toronto, ON M6J 1H3, Canada
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Yu Q, Wang C, Xu H, Wu Y, Ding H, Liu N, Zhang N, Wang C. The mediating role of transmembrane protein 132D methylation in predicting the occurrence of panic disorder in physical abuse. Front Psychiatry 2022; 13:972522. [PMID: 36032246 PMCID: PMC9403743 DOI: 10.3389/fpsyt.2022.972522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 07/22/2022] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Genome Wide Association study (GWAS) has revealed that the transmembrane protein 132D (TMEM132D) is a gene of sensitive for panic disorder (PD). As the main type of childhood trauma experience, childhood abuse has become a public health issue attracting much attention at home and abroad, and has been proved to be a risk factor for the onset of PD. However, how it affects the occurrence and development of panic disorder has not yet been revealed. We examined the relationship between TMEM132D methylation, childhood abuse and symptoms based on this finding. MATERIALS AND METHODS Thirty-two patients with PD and 22 healthy controls (HCs) were recruited after age, gender, and the education level were matched. The DNA methylation levels of CpG sites across the genome were examined with genomic DNA samples (PD, N = 32, controls, N = 22) extracted from subjects' elbow venous blood. A mediation model was used to explore the relationship between the methylation degree of different CpG sites and childhood maltreatment and clinical symptoms. RESULTS We found that the PD group had significantly lower methylation at CpG1, CpG2, CpG3, CpG4, CpG5, CpG6, CpG7, CpG8, CpG11, CpG14, and CpG18 than did the HCs (p < 0.05). The CpG2 (r = 0.5953, p = 0.0117) site in the priming region of TEME132D gene were positively associated with PDSS score. The CpG2 (r = 0.4889, p = 0.046) site in the priming region of TEME132D gene were positively associated with physical abuse. Furthermore, path analyses showed that the methylation of CpG2 of TMEM132D played a fully mediating role in the relationship between physical abuse and PD symptom severity (95. CONCLUSION Childhood abuse experiences, especially physical abuse, are significantly related to PD. The methylation of CpG2 of TMEM132D was shown to have a fully mediating effect between panic disorder and physical abuse. The interaction between TMEM132D methylation and physical abuse can predict panic disorder.
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Affiliation(s)
- Qianmei Yu
- School of Psychology, Nanjing Normal University, Nanjing, China.,Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Chiyue Wang
- Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Huazheng Xu
- Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Yun Wu
- School of Psychology, Nanjing Normal University, Nanjing, China.,Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Huachen Ding
- Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Na Liu
- School of Psychology, Nanjing Normal University, Nanjing, China.,Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Ning Zhang
- School of Psychology, Nanjing Normal University, Nanjing, China.,Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
| | - Chun Wang
- School of Psychology, Nanjing Normal University, Nanjing, China.,Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, China
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35
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Barakat MKA, Elmeniawy GH, Abdelazeim FH. Sensory systems processing in children with spastic cerebral palsy: a pilot study. BULLETIN OF FACULTY OF PHYSICAL THERAPY 2021. [DOI: 10.1186/s43161-021-00044-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The study of the sensory aspect alongside the motor aspect in children with spastic cerebral palsy is critical. Knowledge may help improve intervention, children’s quality of life, activity, and participation.
The study aims to analyze the sensory systems processing in children with spastic cerebral palsy classified by Gross Motor Function Classification System (GMFCS) as levels I, II, and III using Child Sensory Profile 2 (CSP-2). Caregivers of children with spastic cerebral palsy aged 6–9 years (n = 20) completed the CSP-2. Children with severe comorbidities besides cerebral palsy (i.e., diabetes, myopathy, neuropathy, and uncontrolled epilepsy), autism, burn injuries, hearing or vision loss were excluded.
Results
All twenty participating children showed sensory processing difficulties in at least one of the sensory sections. With 14 out of 20 showing abnormalities in more than one section, the majority showed problems in the body position section, followed by the movement section. There was a significant difference between raw scores means of children with unilateral and bilateral SCP at the “body position” section, unlike the rest of the other sections.
Conclusions
Children with spastic cerebral palsy (GMFCS levels I, II, and III) show sensory systems processing difficulties compared to normative data, especially at vestibular and proprioceptive processing.
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36
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Chen Q, Fang J, Shen H, Chen L, Shi M, Huang X, Miao Z, Gong Y. Roles, molecular mechanisms, and signaling pathways of TMEMs in neurological diseases. Am J Transl Res 2021; 13:13273-13297. [PMID: 35035675 PMCID: PMC8748174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 11/10/2021] [Indexed: 06/14/2023]
Abstract
Transmembrane protein family members (TMEMs) span the entire lipid bilayer and act as channels that allow the transport of specific substances through biofilms. The functions of most TMEMs are unexplored. Numerous studies have shown that TMEMs are involved in the pathophysiological processes of various nervous system diseases, but the specific mechanisms of TMEMs in the pathogenesis of diseases remain unclear. In this review, we discuss the expression, physiological functions, and molecular mechanisms of TMEMs in brain tumors, psychiatric disorders, abnormal motor activity, cobblestone lissencephaly, neuropathic pain, traumatic brain injury, and other disorders of the nervous system. Additionally, we propose that TMEMs may be used as prognostic markers and potential therapeutic targets in patients with various neurological diseases.
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Affiliation(s)
- Qinghong Chen
- Affiliated Hospital of Jiangxi University of Traditional Chinese MedicineNanchang 330006, Jiangxi, China
| | - Junlin Fang
- Department of Acupuncture and Moxibustion, Banan Hospital of Traditional Chinese MedicineChongqing 401320, China
| | - Hui Shen
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese MedicineSuzhou 215600, Jiangsu, China
| | - Liping Chen
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese MedicineSuzhou 215600, Jiangsu, China
| | - Mengying Shi
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese MedicineSuzhou 215600, Jiangsu, China
| | - Xianbao Huang
- Affiliated Hospital of Jiangxi University of Traditional Chinese MedicineNanchang 330006, Jiangxi, China
| | - Zhiwei Miao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese MedicineSuzhou 215600, Jiangsu, China
| | - Yating Gong
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese MedicineSuzhou 215600, Jiangsu, China
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de Oliveira Pacheco C, de Gomes MG, da Silva Neto MR, Parisotto AJM, Dos Santos RB, Maciel TR, Ribeiro ACF, Giacomeli R, Haas SE. Surface-functionalized curcumin-loaded polymeric nanocapsules could block apomorphine-induced behavioral changes in rats. Pharmacol Rep 2021; 74:135-147. [PMID: 34739705 DOI: 10.1007/s43440-021-00331-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 10/01/2021] [Accepted: 10/04/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Surface functionalization enhances the properties and characteristics of polymeric nanocapsules (NCs) mainly due to the surface charge, surfactants, and polymer coating type. Curcumin (CUR) is a bioactive compound with several proven pharmacological properties and low bioavailability. This study aimed to develop anionic (poly-ɛ-caprolactone; PCL) and cationic (Eudragit® RS100 (EUD)) NCs prepared with sorbitan monostearate (Span 60®) or sorbitan monooleate (Span 80®), coated with d-α-tocopherol polyethylene glycol 1000 succinate (TPGS) and optimized using 23 factorial analysis. Subsequently, the biological activity was evaluated. METHODS A two-level, three-factor design (polymer, Span type, and TPGS concentration) was used. The biological effects of CUR-loaded TPGS-coated cationic and anionic NCs were assessed in apomorphine-induced stereotyped behavior in rats. RESULTS The type of polymer (anionic or cationic) and Span® had a factorial influence on the physical and chemical characteristics of NCs according to the changes in TPGS concentrations. Both cationic and anionic CUR-NCs could block apomorphine-induced behavioral changes. CONCLUSIONS The CUR-loaded TPGS-coated NCs proved to be a promising brain delivery system.
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Affiliation(s)
- Camila de Oliveira Pacheco
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Marcelo Gomes de Gomes
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Manoel Rodrigues da Silva Neto
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Alcides José Martins Parisotto
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Renata Bem Dos Santos
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Tamara Ramos Maciel
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Santa Maria, Av. Roraima no. 1000, Santa Maria, RS, 97105-900, Brazil
| | - Ana Cláudia Funguetto Ribeiro
- Postgraduate Program in Biochemistry, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Renata Giacomeli
- Postgraduate Program in Biochemistry, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Sandra Elisa Haas
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil.
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Santa Maria, Av. Roraima no. 1000, Santa Maria, RS, 97105-900, Brazil.
- Postgraduate Program in Biochemistry, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil.
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Notaras M, Lodhi A, Fang H, Greening D, Colak D. The proteomic architecture of schizophrenia iPSC-derived cerebral organoids reveals alterations in GWAS and neuronal development factors. Transl Psychiatry 2021; 11:541. [PMID: 34667143 PMCID: PMC8526592 DOI: 10.1038/s41398-021-01664-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/24/2021] [Accepted: 09/30/2021] [Indexed: 12/21/2022] Open
Abstract
Schizophrenia (Scz) is a brain disorder that has a typical onset in early adulthood but otherwise maintains unknown disease origins. Unfortunately, little progress has been made in understanding the molecular mechanisms underlying neurodevelopment of Scz due to ethical and technical limitations in accessing developing human brain tissue. To overcome this challenge, we have previously utilized patient-derived Induced Pluripotent Stem Cells (iPSCs) to generate self-developing, self-maturating, and self-organizing 3D brain-like tissue known as cerebral organoids. As a continuation of this prior work, here we provide an architectural map of the developing Scz organoid proteome. Utilizing iPSCs from n = 25 human donors (n = 8 healthy Ctrl donors, and n = 17 Scz patients), we generated 3D cerebral organoids, employed 16-plex isobaric sample-barcoding chemistry, and simultaneously subjected samples to comprehensive high-throughput liquid-chromatography/mass-spectrometry (LC/MS) quantitative proteomics. Of 3,705 proteins identified by high-throughput proteomic profiling, we identified that just ~2.62% of the organoid global proteomic landscape was differentially regulated in Scz organoids. In sum, just 43 proteins were up-regulated and 54 were down-regulated in Scz patient-derived organoids. Notably, a range of neuronal factors were depleted in Scz organoids (e.g., MAP2, TUBB3, SV2A, GAP43, CRABP1, NCAM1 etc.). Based on global enrichment analysis, alterations in key pathways that regulate nervous system development (e.g., axonogenesis, axon development, axon guidance, morphogenesis pathways regulating neuronal differentiation, as well as substantia nigra development) were perturbed in Scz patient-derived organoids. We also identified prominent alterations in two novel GWAS factors, Pleiotrophin (PTN) and Podocalyxin (PODXL), in Scz organoids. In sum, this work serves as both a report and a resource that researchers can leverage to compare, contrast, or orthogonally validate Scz factors and pathways identified in observational clinical studies and other model systems.
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Affiliation(s)
- Michael Notaras
- Center for Neurogenetics, Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York, NY, USA
| | - Aiman Lodhi
- Center for Neurogenetics, Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York, NY, USA
| | - Haoyun Fang
- Baker Institute for Heart and Diabetes, Melbourne, VIC, Australia
| | - David Greening
- Baker Institute for Heart and Diabetes, Melbourne, VIC, Australia.
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, Australia.
- Central Clinical School, Monash University, Melbourne, VIC, Australia.
- Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia.
| | - Dilek Colak
- Center for Neurogenetics, Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York, NY, USA.
- Gale and Ira Drukier Institute for Children's Health, Weill Cornell Medical College, Cornell University, New York, NY, USA.
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Hindley G, Bahrami S, Steen NE, O'Connell KS, Frei O, Shadrin A, Bettella F, Rødevand L, Fan CC, Dale AM, Djurovic S, Smeland OB, Andreassen OA. Characterising the shared genetic determinants of bipolar disorder, schizophrenia and risk-taking. Transl Psychiatry 2021; 11:466. [PMID: 34497263 PMCID: PMC8426401 DOI: 10.1038/s41398-021-01576-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 07/19/2021] [Accepted: 08/18/2021] [Indexed: 02/08/2023] Open
Abstract
Increased risk-taking is a central component of bipolar disorder (BIP) and is implicated in schizophrenia (SCZ). Risky behaviours, including smoking and alcohol use, are overrepresented in both disorders and associated with poor health outcomes. Positive genetic correlations are reported but an improved understanding of the shared genetic architecture between risk phenotypes and psychiatric disorders may provide insights into underlying neurobiological mechanisms. We aimed to characterise the genetic overlap between risk phenotypes and SCZ, and BIP by estimating the total number of shared variants using the bivariate causal mixture model and identifying shared genomic loci using the conjunctional false discovery rate method. Summary statistics from genome wide association studies of SCZ, BIP, risk-taking and risky behaviours were acquired (n = 82,315-466,751). Genomic loci were functionally annotated using FUMA. Of 8.6-8.7 K variants predicted to influence BIP, 6.6 K and 7.4 K were predicted to influence risk-taking and risky behaviours, respectively. Similarly, of 10.2-10.3 K variants influencing SCZ, 9.6 and 8.8 K were predicted to influence risk-taking and risky behaviours, respectively. We identified 192 loci jointly associated with SCZ and risk phenotypes and 206 associated with BIP and risk phenotypes, of which 68 were common to both risk-taking and risky behaviours and 124 were novel to SCZ or BIP. Functional annotation implicated differential expression in multiple cortical and sub-cortical regions. In conclusion, we report extensive polygenic overlap between risk phenotypes and BIP and SCZ, identify specific loci contributing to this shared risk and highlight biologically plausible mechanisms that may underlie risk-taking in severe psychiatric disorders.
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Affiliation(s)
- Guy Hindley
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway.
- Psychosis Studies, Institute of Psychiatry, Psychology and Neurosciences, King's College London, London, UK.
| | - Shahram Bahrami
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Nils Eiel Steen
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Kevin S O'Connell
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Oleksandr Frei
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
- Center for Bioinformatics, Department of Informatics, University of Oslo, Blindern, 0316, Oslo, Norway
| | - Alexey Shadrin
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Francesco Bettella
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Linn Rødevand
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Chun C Fan
- Department of Neurology, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
- Multimodal Imaging Laboratory, University of California San Diego, La Jolla, CA, 92093, USA
| | - Anders M Dale
- Department of Neurology, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
- Department of Radiology, University of California, San Diego, La Jolla, CA, 92093, USA
- Department of Cognitive Science, University of California, San Diego, La Jolla, CA, USA
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | - Srdjan Djurovic
- Department of Medical Genetics, Oslo University Hospital, Oslo, Norway
- NORMENT, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Olav B Smeland
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway
| | - Ole A Andreassen
- NORMENT, Institute of Clinical Medicine, University of Oslo and Division of Mental Health and Addiction, Oslo University Hospital, 0407, Oslo, Norway.
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Meyer-Rochow VB, Hakko T, Hakko H, Riipinen P, Timonen M. Synodic lunar phases and suicide: based on 2605 suicides over 23 years, a full moon peak is apparent in premenopausal women from northern Finland. Mol Psychiatry 2021; 26:5071-5078. [PMID: 32404944 PMCID: PMC8589673 DOI: 10.1038/s41380-020-0768-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/16/2020] [Accepted: 04/28/2020] [Indexed: 01/10/2023]
Abstract
Suicide data for this study were available for the period of March 1988 to June 2011, and involved 2111 male and 494 female victims from the Finnish province of Oulu. Data for lunar phases during that period were categorised into three groups: new moon (<25% visible), full moon (>75% visible) and other times with values in between. Seasonal effects were controlled with definitions for winter (Nov, Dec, Jan), spring (Feb, Mar, Apr), summer (May, June, July), and autumn (Aug, Sep, Oct). Suicide occurrences during different lunar phases were compared with their expected distribution using multinomial tests with all tests being two-tailed. Statistical significance was set at p < 0.05. No correlation between suicides and moon phase in any of the four seasons was apparent for male victims, but in winter for women it was (p = 0.001). Further analysis of the data revealed that the full moon association was statistically significant only for premenopausal women, defined as female victims younger than 45 years of age. To explain this unexpected finding a number of factors were considered, e.g., the darkness of a northern Finnish winter with increases of SAD and depression especially in premenopausal women, the influence of the lunar periodicity on the menstrual cycle, and cosmogeophysical effects on the humoral and autonomous nervous system.
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Affiliation(s)
- Victor Benno Meyer-Rochow
- Department of Plant Medicals, Agricultural Science and Technology Institute, Andong National University, Andong, 36729, Republic of Korea.
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland.
| | - Tapani Hakko
- Department of Psychiatry, Oulu University Hospital, Oulu, Finland
- Research Unit of Clinical 0Neuroscience, Psychiatry, Oulu, Finland
| | - Helinä Hakko
- Department of Psychiatry, Oulu University Hospital, Oulu, Finland
| | - Pirkko Riipinen
- Research Unit of Clinical 0Neuroscience, Psychiatry, Oulu, Finland
| | - Markku Timonen
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
- Unit of General Practice, Oulu University Hospital, Oulu, Finland
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41
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Marx W, McGuinness AJ, Rocks T, Ruusunen A, Cleminson J, Walker AJ, Gomes-da-Costa S, Lane M, Sanches M, Diaz AP, Tseng PT, Lin PY, Berk M, Clarke G, O'Neil A, Jacka F, Stubbs B, Carvalho AF, Quevedo J, Soares JC, Fernandes BS. The kynurenine pathway in major depressive disorder, bipolar disorder, and schizophrenia: a meta-analysis of 101 studies. Mol Psychiatry 2021; 26:4158-4178. [PMID: 33230205 DOI: 10.1038/s41380-020-00951-9] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/29/2020] [Accepted: 11/02/2020] [Indexed: 12/29/2022]
Abstract
The importance of tryptophan as a precursor for neuroactive compounds has long been acknowledged. The metabolism of tryptophan along the kynurenine pathway and its involvement in mental disorders is an emerging area in psychiatry. We performed a meta-analysis to examine the differences in kynurenine metabolites in major depressive disorder (MDD), bipolar disorder (BD), and schizophrenia (SZ). Electronic databases were searched for studies that assessed metabolites involved in the kynurenine pathway (tryptophan, kynurenine, kynurenic acid, quinolinic acid, 3-hydroxykynurenine, and their associate ratios) in people with MDD, SZ, or BD, compared to controls. We computed the difference in metabolite concentrations between people with MDD, BD, or SZ, and controls, presented as Hedges' g with 95% confidence intervals. A total of 101 studies with 10,912 participants were included. Tryptophan and kynurenine are decreased across MDD, BD, and SZ; kynurenic acid and the kynurenic acid to quinolinic acid ratio are decreased in mood disorders (i.e., MDD and BD), whereas kynurenic acid is not altered in SZ; kynurenic acid to 3-hydroxykynurenine ratio is decreased in MDD but not SZ. Kynurenic acid to kynurenine ratio is decreased in MDD and SZ, and the kynurenine to tryptophan ratio is increased in MDD and SZ. Our results suggest that there is a shift in the tryptophan metabolism from serotonin to the kynurenine pathway, across these psychiatric disorders. In addition, a differential pattern exists between mood disorders and SZ, with a preferential metabolism of kynurenine to the potentially neurotoxic quinolinic acid instead of the neuroprotective kynurenic acid in mood disorders but not in SZ.
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Affiliation(s)
- Wolfgang Marx
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia.
| | - Amelia J McGuinness
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Tetyana Rocks
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Anu Ruusunen
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia.,Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.,Department of Psychiatry, Kuopio University Hospital, Kuopio, Finland
| | - Jasmine Cleminson
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Adam J Walker
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Susana Gomes-da-Costa
- Bipolar and Depression Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
| | - Melissa Lane
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Marsal Sanches
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Alexandre P Diaz
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Ping-Tao Tseng
- Institute of Biomedical Sciences and Prospect Clinic for Otorhinolaryngology & Neurology, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Pao-Yen Lin
- Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Institute for Translational Research in Biomedical Sciences, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Michael Berk
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Gerard Clarke
- Department of Psychiatry and Neurobehavioural Science and APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Adrienne O'Neil
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Felice Jacka
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Brendon Stubbs
- Department of Psychological Medicine, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK.,South London and Maudsley NHS Foundation Trust, London, UK
| | - André F Carvalho
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada.,Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - João Quevedo
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Jair C Soares
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Brisa S Fernandes
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA. .,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.
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Zhang A, Fang J, Hu W, Calhoun VD, Wang YP. A Latent Gaussian Copula Model for Mixed Data Analysis in Brain Imaging Genetics. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2021; 18:1350-1360. [PMID: 31689199 PMCID: PMC7756188 DOI: 10.1109/tcbb.2019.2950904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Recent advances in imaging genetics make it possible to combine different types of data including medical images like functional magnetic resonance imaging (fMRI) and genetic data like single nucleotide polymorphisms (SNPs) for comprehensive diagnosis of mental disorders. Understanding complex interactions among these heterogeneous data may give rise to a new perspective, while at the same time demand statistical models for their integration. Various graphical models have been proposed for the study of interaction or association networks with continuous, binary, and count data as well as the mixture of them. However, limited efforts have been made for the multinomial case, for instance, SNP data. Our goal is therefore to fill the void by developing a graphical model for the integration of fMRI image and SNP data, which can provide deeper understanding of the unknown neurogenetic mechanism. In this article, we propose a latent Gaussian copula model for mixed data containing multinomial components. We assume that the discrete variable is obtained by discretizing a latent (unobserved) continuous variable and then create a semi-rank based estimator of the graph structure. The simulation results demonstrate that the proposed latent correlation has more steady and accurate performance than several existing methods in detecting graph structure. When applying to a real schizophrenia data consisting of SNP array and fMRI image collected by the Mind Clinical Imaging Consortium (MCIC), the proposed method reveals a set of distinct SNP-brain associations, which are verified to be biologically significant. The proposed model is statistically promising in handling mixed types of data including multinomial components, which can find widespread applications. To promote reproducible research, the R code is available at https://github.com/Aiying0512/LGCM.
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Bashiri H, Houwing DJ, Homberg JR, Salari AA. The combination of fluoxetine and environmental enrichment reduces postpartum stress-related behaviors through the oxytocinergic system and HPA axis in mice. Sci Rep 2021; 11:8518. [PMID: 33875712 PMCID: PMC8055994 DOI: 10.1038/s41598-021-87800-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/06/2021] [Indexed: 02/07/2023] Open
Abstract
Gestational stress can increase postpartum depression in women. To treat maternal depression, fluoxetine (FLX) is most commonly prescribed. While FLX may be effective for the mother, at high doses it may have adverse effects on the fetus. As environmental enrichment (EE) can reduce maternal stress effects, we hypothesized that a subthreshold dose of FLX increases the impact of EE to reduce anxiety and depression-like behavior in postpartum dams exposed to gestational stress. We evaluated this hypothesis in mice and to assess underlying mechanisms we additionally measured hypothalamic-pituitary-adrenal (HPA) axis function and brain levels of the hormone oxytocin, which are thought to be implicated in postpartum depression. Gestational stress increased anxiety- and depression-like behavior in postpartum dams. This was accompanied by an increase in HPA axis function and a decrease in whole-brain oxytocin levels in dams. A combination of FLX and EE remediated the behavioral, HPA axis and oxytocin changes induced by gestational stress. Central administration of an oxytocin receptor antagonist prevented the remediating effect of FLX + EE, indicating that brain oxytocin contributes to the effect of FLX + EE. These findings suggest that oxytocin is causally involved in FLX + EE mediated remediation of postpartum stress-related behaviors, and HPA axis function in postpartum dams.
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Affiliation(s)
- Hamideh Bashiri
- Neuroscience Research Center, Institute of Neuropharmacology, Department of Physiology and Pharmacology, Kerman University of Medical Sciences, Kerman, Iran
- Sirjan School of Medical Sciences, Sirjan, Iran
| | - Danielle J Houwing
- Department of Cognitive Neuroscience, Center for Medical Neuroscience, Donders Institute for Brain, Cognition, and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Judith R Homberg
- Department of Cognitive Neuroscience, Center for Medical Neuroscience, Donders Institute for Brain, Cognition, and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ali-Akbar Salari
- Salari Institute of Cognitive and Behavioral Disorders (SICBD), Karaj, Alborz, Iran.
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A metabolome-wide association study in the general population reveals decreased levels of serum laurylcarnitine in people with depression. Mol Psychiatry 2021; 26:7372-7383. [PMID: 34088979 PMCID: PMC8873015 DOI: 10.1038/s41380-021-01176-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 05/07/2021] [Accepted: 05/17/2021] [Indexed: 02/05/2023]
Abstract
Depression constitutes a leading cause of disability worldwide. Despite extensive research on its interaction with psychobiological factors, associated pathways are far from being elucidated. Metabolomics, assessing the final products of complex biochemical reactions, has emerged as a valuable tool for exploring molecular pathways. We conducted a metabolome-wide association analysis to investigate the link between the serum metabolome and depressed mood (DM) in 1411 participants of the KORA (Cooperative Health Research in the Augsburg Region) F4 study (discovery cohort). Serum metabolomics data comprised 353 unique metabolites measured by Metabolon. We identified 72 (5.1%) KORA participants with DM. Linear regression tests were conducted modeling each metabolite value by DM status, adjusted for age, sex, body-mass index, antihypertensive, cardiovascular, antidiabetic, and thyroid gland hormone drugs, corticoids and antidepressants. Sensitivity analyses were performed in subcohorts stratified for sex, suicidal ideation, and use of antidepressants. We replicated our results in an independent sample of 968 participants of the SHIP-Trend (Study of Health in Pomerania) study including 52 (5.4%) individuals with DM (replication cohort). We found significantly lower laurylcarnitine levels in KORA F4 participants with DM after multiple testing correction according to Benjamini/Hochberg. This finding was replicated in the independent SHIP-Trend study. Laurylcarnitine remained significantly associated (p value < 0.05) with depression in samples stratified for sex, suicidal ideation, and antidepressant medication. Decreased blood laurylcarnitine levels in depressed individuals may point to impaired fatty acid oxidation and/or mitochondrial function in depressive disorders, possibly representing a novel therapeutic target.
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45
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Heinz A, Mascarell Maricic L, Liu S, Walter H, Schumann G, Beck A. [The IMAGEN cohort: perspectives and problems of longitudinal research]. DER NERVENARZT 2020; 92:228-233. [PMID: 33245403 DOI: 10.1007/s00115-020-01034-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/30/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND Genetic risk factors for major mental disorders identified in psychiatric research show a substantial overlap. Therefore, it has been suggested that neurobiological research should focus on intermediate phenotypes that reflect shared aspects of different mental disorders due to overlapping genetic effects and environmental factors. Longitudinal studies are required to assess the interaction between genetic variability and modifying environmental factors and to investigate the effects on intermediate phenotypes and (mediated by them) on the expression of individual mental disorders. OBJECTIVE Discussion of the possibilities and limitations of longitudinal cohort studies using the IMAGEN study as an example. MATERIAL AND METHODS The results of the European IMAGEN study are presented with a focus on addiction. RESULTS The longitudinal assessments of the IMAGEN cohort revealed that neuroimaging data indicating a low activation of the dopaminergic reinforcement system detected at the age of 14 years are predictive for increased drug use. In addition to genetic factors, environmental influences such as maternal smoking during pregnancy were correlated with this low activation. CONCLUSION Longitudinal neurobiological basic research can validate the effects of candidate genes and reveal relevant environmental factors. Relevant modifiable factors indicated by the IMAGEN study and related datasets include drug use during pregnancy, trauma and other experiences of violence, social disadvantage and exclusion.
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Affiliation(s)
- A Heinz
- Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland. .,Psychiatrische Universitätsklinik der Charité im St. Hedwig Krankenhaus, Berlin, Deutschland.
| | - L Mascarell Maricic
- Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
| | - S Liu
- Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
| | - H Walter
- Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
| | - G Schumann
- Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
| | - A Beck
- Klinik für Psychiatrie und Psychotherapie, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
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Abdul Manap AS, Madhavan P, Vijayabalan S, Chia A, Fukui K. Explicating anti-amyloidogenic role of curcumin and piperine via amyloid beta (A β) explicit pathway: recovery and reversal paradigm effects. PeerJ 2020; 8:e10003. [PMID: 33062432 PMCID: PMC7532763 DOI: 10.7717/peerj.10003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 08/30/2020] [Indexed: 12/28/2022] Open
Abstract
Previously, we reported the synergistic effects of curcumin and piperine in cell cultures as potential anti-cholinesterase and anti-amyloidogenic agents. Due to limited findings on the enrolment of these compounds on epigenetic events in AD, we aimed at elucidating the expression profiles of Aβ42-induced SH-SY5Y cells using microarray profiling. In this study, an optimized concentration of 35 µM of curcumin and piperine in combination was used to treat Aβ42 fibril and high-throughput microarray profiling was performed on the extracted RNA. This was then compared to curcumin and piperine used singularly at 49.11 µM and 25 µM, respectively. Our results demonstrated that in the curcumin treated group, from the top 10 upregulated and top 10 downregulated significantly differentially expressed genes (p < 0.05; fold change ≥ 2 or ≤ -2), there were five upregulated and three downregulated genes involved in the amyloidogenic pathway. While from top 10 upregulated and top 10 downregulated significantly differentially expressed genes (p < 0.05; fold change ≥ 2 or ≤ - 2) in the piperine treated group, there were four upregulated and three downregulated genes involved in the same pathway, whereas there were five upregulated and two downregulated genes involved (p < 0.05; fold change ≥ 2 or ≤ - 2) in the curcumin-piperine combined group. Four genes namely GABARAPL1, CTSB, RAB5 and AK5 were expressed significantly in all groups. Other genes such as ITPR1, GSK3B, PPP3CC, ERN1, APH1A, CYCS and CALM2 were novel putative genes that are involved in the pathogenesis of AD. We revealed that curcumin and piperine have displayed their actions against Aβ via the modulation of various mechanistic pathways. Alterations in expression profiles of genes in the neuronal cell model may explain Aβ pathology post-treatment and provide new insights for remedial approaches of a combined treatment using curcumin and piperine.
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Affiliation(s)
- Aimi Syamima Abdul Manap
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
| | - Priya Madhavan
- School of Medicine, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
| | - Shantini Vijayabalan
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
| | - Adeline Chia
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
| | - Koji Fukui
- Department of Bioscience and Engineering, College of Systems Engineering and Science, Shibaura Institute of Technology, Saitama, Japan
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Liu W, Liu J, Huang Z, Cui Z, Li L, Liu W, Qi Z. Possible role of GLP-1 in antidepressant effects of metformin and exercise in CUMS mice. J Affect Disord 2019; 246:486-497. [PMID: 30599373 DOI: 10.1016/j.jad.2018.12.112] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 12/18/2018] [Accepted: 12/24/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Both depression itself and antidepressant medication have been reported to be significantly related to the risk of type 2 diabetes mellitus (T2DM). Glucagon-like peptide-1 (GLP-1), a treatment target for T2DM, has a neuroprotective effect. As an enhancer and sensitiser of GLP-1, metformin has been reported to be safe for the neurodevelopment. The present study aimed to determine whether and how GLP-1 mediates antidepressant effects of metformin and exercise in mice. METHODS Male C57BL/6 mice were exposed to chronic unpredictable mild stress (CUMS) for 8 weeks. From the 4th week, CUMS mice were subjected to oral metformin treatment and/or treadmill running. A videocomputerized tracking system was used to record behaviors of mice for a 5-min session. ELISA, western blotting and immunohistochemistry were used to examine serum protein concentrations, protein levels in whole hippocampus, protein distribution and expression in dorsal and ventral hippocampus, respectively. RESULTS Our results supported the validity of metformin as a useful antidepressant; moreover, treadmill running favored metformin effects on exploratory behaviors and serum corticosterone levels. CUMS reduced GLP-1 protein levels and phosphorylation levels of extracellular signal-regulated kinase 1/2 (ERK1/2), but increased protein levels of B-cell lymphoma 2-associated X-protein (BAX) in mice hippocampus. All these changes were restored by both single and combined treatment with metformin and exercise. LIMITATIONS We did not establish a causal relationship between GLP-1 expression and related signaling, using GLP-1 agonist and antagonist or knockout techniques. CONCLUSIONS Our findings have demonstrated that protein levels of pERK and BAX may be relevant to the role of GLP-1 in antidepressant effects of metformin and exercise, which may provide a novel topic for future clinical research.
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Affiliation(s)
- Weina Liu
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China.
| | - Jiatong Liu
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China
| | - Zhuochun Huang
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China
| | - Zhiming Cui
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China
| | - Lingxia Li
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China
| | - Wenbin Liu
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China
| | - Zhengtang Qi
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention of Ministry of Education, East China Normal University, Shanghai 200241, China; School of Physical Education & Health Care, East China Normal University, Shanghai 200241, China.
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Karlsson Linnér R, Biroli P, Kong E, Meddens SFW, Wedow R, Fontana MA, Lebreton M, Tino SP, Abdellaoui A, Hammerschlag AR, Nivard MG, Okbay A, Rietveld CA, Timshel PN, Trzaskowski M, Vlaming RD, Zünd CL, Bao Y, Buzdugan L, Caplin AH, Chen CY, Eibich P, Fontanillas P, Gonzalez JR, Joshi PK, Karhunen V, Kleinman A, Levin RZ, Lill CM, Meddens GA, Muntané G, Sanchez-Roige S, Rooij FJV, Taskesen E, Wu Y, Zhang F, Auton A, Boardman JD, Clark DW, Conlin A, Dolan CC, Fischbacher U, Groenen PJF, Harris KM, Hasler G, Hofman A, Ikram MA, Jain S, Karlsson R, Kessler RC, Kooyman M, MacKillop J, Männikkö M, Morcillo-Suarez C, McQueen MB, Schmidt KM, Smart MC, Sutter M, Thurik AR, Uitterlinden AG, White J, Wit HD, Yang J, Bertram L, Boomsma DI, Esko T, Fehr E, Hinds DA, Johannesson M, Kumari M, Laibson D, Magnusson PKE, Meyer MN, Navarro A, Palmer AA, Pers TH, Posthuma D, Schunk D, Stein MB, Svento R, Tiemeier H, Timmers PRHJ, Turley P, Ursano RJ, Wagner GG, Wilson JF, Gratten J, Lee JJ, Cesarini D, Benjamin DJ, Koellinger PD, Beauchamp JP. Genome-wide association analyses of risk tolerance and risky behaviors in over 1 million individuals identify hundreds of loci and shared genetic influences. Nat Genet 2019; 51:245-257. [PMID: 30643258 PMCID: PMC6713272 DOI: 10.1038/s41588-018-0309-3] [Citation(s) in RCA: 352] [Impact Index Per Article: 70.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 11/07/2018] [Indexed: 02/02/2023]
Abstract
Humans vary substantially in their willingness to take risks. In a combined sample of over 1 million individuals, we conducted genome-wide association studies (GWAS) of general risk tolerance, adventurousness, and risky behaviors in the driving, drinking, smoking, and sexual domains. Across all GWAS, we identified hundreds of associated loci, including 99 loci associated with general risk tolerance. We report evidence of substantial shared genetic influences across risk tolerance and the risky behaviors: 46 of the 99 general risk tolerance loci contain a lead SNP for at least one of our other GWAS, and general risk tolerance is genetically correlated ([Formula: see text] ~ 0.25 to 0.50) with a range of risky behaviors. Bioinformatics analyses imply that genes near SNPs associated with general risk tolerance are highly expressed in brain tissues and point to a role for glutamatergic and GABAergic neurotransmission. We found no evidence of enrichment for genes previously hypothesized to relate to risk tolerance.
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Affiliation(s)
- Richard Karlsson Linnér
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands.
- Erasmus University Rotterdam Institute for Behavior and Biology, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands.
- Department of Economics, VU University Amsterdam, Amsterdam, the Netherlands.
| | - Pietro Biroli
- Department of Economics, University of Zurich, Zurich, Switzerland
| | - Edward Kong
- Department of Economics, Harvard University, Cambridge, MA, USA
| | - S Fleur W Meddens
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
- Erasmus University Rotterdam Institute for Behavior and Biology, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands
- Department of Economics, VU University Amsterdam, Amsterdam, the Netherlands
| | - Robbee Wedow
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, USA
- Analytic Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Sociology, Harvard University, Cambridge, MA, USA
| | - Mark Alan Fontana
- Center for the Advancement of Value in Musculoskeletal Care, Hospital for Special Surgery, New York, NY, USA
- Department of Healthcare Policy and Research, Weill Cornell Medical College, Cornell University, New York, NY, USA
| | - Maël Lebreton
- Amsterdam School of Economics, University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Brain and Cognition, University of Amsterdam, Amsterdam, the Netherlands
| | - Stephen P Tino
- Department of Economics, University of Toronto, Toronto, Ontario, Canada
| | - Abdel Abdellaoui
- Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Anke R Hammerschlag
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
| | - Michel G Nivard
- Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Aysu Okbay
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
- Department of Economics, VU University Amsterdam, Amsterdam, the Netherlands
| | - Cornelius A Rietveld
- Erasmus University Rotterdam Institute for Behavior and Biology, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands
- Department of Applied Economics, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Pascal N Timshel
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Maciej Trzaskowski
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Ronald de Vlaming
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
- Erasmus University Rotterdam Institute for Behavior and Biology, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands
- Department of Economics, VU University Amsterdam, Amsterdam, the Netherlands
| | - Christian L Zünd
- Department of Economics, University of Zurich, Zurich, Switzerland
| | - Yanchun Bao
- Institute for Social and Economic Research, University of Essex, Colchester, UK
| | - Laura Buzdugan
- Seminar for Statistics, Department of Mathematics, ETH Zurich, Zurich, Switzerland
- Department of Economics, University of Zurich, Zurich, Switzerland
| | | | - Chia-Yen Chen
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Analytic Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Psychiatric & Neurodevelopmental Genetics Unit, Massachusetts General Hospital, Boston, MA, USA
| | - Peter Eibich
- Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Socio-Economic Panel Study, DIW Berlin, Berlin, Germany
- Max Planck Institute for Demographic Research, Rostock, Germany
| | | | - Juan R Gonzalez
- Barcelona Institute for Global Health (ISGlobal), Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Peter K Joshi
- Centre for Global Health Research, Usher Institute for Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland
| | - Ville Karhunen
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
| | | | - Remy Z Levin
- Department of Economics, University of California San Diego, La Jolla, CA, USA
| | - Christina M Lill
- Genetic and Molecular Epidemiology Group, Lübeck Interdisciplinary Platform for Genome Analytics, Institutes of Neurogenetics & Cardiogenetics, University of Lübeck, Lübeck, Germany
| | | | - Gerard Muntané
- Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
- Research Department, Hospital Universitari Institut Pere Mata, Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain
- Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), Reus, Spain
| | | | - Frank J van Rooij
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Erdogan Taskesen
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
| | - Yang Wu
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Futao Zhang
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Adam Auton
- Research, 23andMe, Inc., Mountain View, CA, USA
| | - Jason D Boardman
- Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, CO, USA
- Institute of Behavioral Science, University of Colorado Boulder, Boulder, CO, USA
- Department of Sociology, University of Colorado Boulder, Boulder, CO, USA
| | - David W Clark
- Centre for Global Health Research, Usher Institute for Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland
| | - Andrew Conlin
- Department of Economics and Finance, Oulu Business School, University of Oulu, Oulu, Finland
| | - Conor C Dolan
- Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Urs Fischbacher
- Department of Economics, University of Konstanz, Konstanz, Germany
- Thurgau Institute of Economics, Kreuzlingen, Switzerland
| | - Patrick J F Groenen
- Erasmus University Rotterdam Institute for Behavior and Biology, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands
- Department of Econometrics, Erasmus University Rotterdam, Rotterdam, Rotterdam, the Netherlands
| | - Kathleen Mullan Harris
- Department of Sociology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Gregor Hasler
- Unit of Psychiatry Research, University of Fribourg, Fribourg, Switzerland
| | - Albert Hofman
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Mohammad A Ikram
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Sonia Jain
- Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
| | - Robert Karlsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Ronald C Kessler
- Department of Health Care Policy, Harvard Medical School, Boston, MA, USA
| | | | - James MacKillop
- Peter Boris Centre for Addictions Research, McMaster University/St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
- Homewood Research Institute, Guelph, Ontario, Canada
| | - Minna Männikkö
- Center for Life Course Health Research, University of Oulu, Oulu, Finland
| | - Carlos Morcillo-Suarez
- Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
| | - Matthew B McQueen
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Klaus M Schmidt
- Department of Economics, University of Munich, Munich, Germany
| | - Melissa C Smart
- Institute for Social and Economic Research, University of Essex, Colchester, UK
| | - Matthias Sutter
- Department of Economics, University of Cologne, Cologne, Germany
- Experimental Economics Group, Max Planck Institute for Research into Collective Goods, Bonn, Germany
- Department of Public Finance, University of Innsbruck, Innsbruck, Austria
| | - A Roy Thurik
- Erasmus University Rotterdam Institute for Behavior and Biology, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, the Netherlands
- Montpellier Business School, Montpellier, France
| | - André G Uitterlinden
- Department of Internal Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - Jon White
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Harriet de Wit
- Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA
| | - Jian Yang
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia
| | - Lars Bertram
- Genetic and Molecular Epidemiology Group, Lübeck Interdisciplinary Platform for Genome Analytics, Institutes of Neurogenetics & Cardiogenetics, University of Lübeck, Lübeck, Germany
- Dept of Psychology, University of Olso, Oslo, Norway
- School of Public Health, Imperial College London, London, UK
| | - Dorret I Boomsma
- Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Tõnu Esko
- Estonian Genome Center, University of Tartu, Tartu, Estonia
| | - Ernst Fehr
- Department of Economics, University of Zurich, Zurich, Switzerland
| | | | - Magnus Johannesson
- Department of Economics, Stockholm School of Economics, Stockholm, Sweden
| | - Meena Kumari
- Institute for Social and Economic Research, University of Essex, Colchester, UK
| | - David Laibson
- Department of Economics, Harvard University, Cambridge, MA, USA
| | - Patrik K E Magnusson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Michelle N Meyer
- Center for Translational Bioethics and Health Care Policy, Geisinger Health System, Danville, PA, USA
| | - Arcadi Navarro
- Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain
| | - Abraham A Palmer
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA
| | - Tune H Pers
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Danielle Posthuma
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
- Department of Clinical Genetics, VU Medical Centre, Amsterdam, the Netherlands
| | - Daniel Schunk
- Department of Economics, Johannes Gutenberg University, Mainz, Germany
| | - Murray B Stein
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
- Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
| | - Rauli Svento
- Department of Economics and Finance, Oulu Business School, University of Oulu, Oulu, Finland
| | - Henning Tiemeier
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Paul R H J Timmers
- Centre for Global Health Research, Usher Institute for Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland
| | - Patrick Turley
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Analytic Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Behavioral and Health Genomics Center, Center for Economic and Social Research, University of Southern California, Los Angeles, CA, USA
| | - Robert J Ursano
- Department of Psychiatry, Center for the Study of Traumatic Stress, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Gert G Wagner
- Socio-Economic Panel Study, DIW Berlin, Berlin, Germany
- Max Planck Institute for Human Development, Berlin, Germany
| | - James F Wilson
- Centre for Global Health Research, Usher Institute for Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland
- MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, Scotland
| | - Jacob Gratten
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
- Mater Medical Research Institute, Translational Research Institute, Brisbane, Australia
| | - James J Lee
- Department of Psychology, University of Minnesota Twin Cities, Minneapolis, MN, USA
| | - David Cesarini
- Department of Economics, New York University, New York, NY, USA
| | - Daniel J Benjamin
- Behavioral and Health Genomics Center, Center for Economic and Social Research, University of Southern California, Los Angeles, CA, USA
- Department of Economics, University of Southern California, Los Angeles, CA, USA
- National Bureau of Economic Research, Cambridge, MA, USA
| | - Philipp D Koellinger
- Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, VU University Amsterdam, Amsterdam, the Netherlands
- Department of Economics, VU University Amsterdam, Amsterdam, the Netherlands
- German Institute for Economic Research, DIW Berlin, Berlin, Germany
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Sah A, Sotnikov S, Kharitonova M, Schmuckermair C, Diepold RP, Landgraf R, Whittle N, Singewald N. Epigenetic Mechanisms Within the Cingulate Cortex Regulate Innate Anxiety-Like Behavior. Int J Neuropsychopharmacol 2019; 22:317-328. [PMID: 30668714 PMCID: PMC6441131 DOI: 10.1093/ijnp/pyz004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/11/2019] [Accepted: 01/14/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Pathological anxiety originates from a complex interplay of genetic predisposition and environmental factors, acting via epigenetic mechanisms. Epigenetic processes that can counteract detrimental genetic risk towards innate high anxiety are not well characterized. METHODS We used female mouse lines of selectively bred high (HAB)- vs low (LAB)-innate anxiety-related behavior and performed select environmental and pharmacological manipulations to alter anxiety levels as well as brain-specific manipulations and immunohistochemistry to investigate neuronal mechanisms associated with alterations in anxiety-related behavior. RESULTS Inborn hyperanxiety of high anxiety-like phenotypes was effectively reduced by environmental enrichment exposure. c-Fos mapping revealed that hyperanxiety in high anxiety-like phenotypes was associated with blunted challenge-induced neuronal activation in the cingulate-cortex, which was normalized by environmental enrichment. Relating this finding with epigenetic modifications, we found that high anxiety-like phenotypes (compared with low-innate anxiety phenotypes) showed reduced acetylation in the hypoactivated cingulate-cortex neurons following a mild emotional challenge, which again was normalized by environmental enrichment. Paralleling the findings using environmental enrichment, systemic administration of histone-deacetylase-inhibitor MS-275 elicited an anxiolytic-like effect, which was correlated with increased acetylated-histone-3 levels within cingulate-cortex. Finally, as a proof-of-principle, local MS-275 injection into cingulate-cortex rescued enhanced innate anxiety and increased acetylated-histone-3 within the cingulate-cortex, suggesting this epigenetic mark as a biomarker for treatment success. CONCLUSIONS Taken together, the present findings provide the first causal evidence that the attenuation of high innate anxiety-like behavior via environmental/pharmacological manipulations is epigenetically mediated via acetylation changes within the cingulate-cortex. Finally, histone-3 specific histone-deacetylase-inhibitor could be of therapeutic importance in anxiety disorders.
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Affiliation(s)
- Anupam Sah
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innsbruck, Austria
| | | | - Maria Kharitonova
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innsbruck, Austria
| | - Claudia Schmuckermair
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innsbruck, Austria
| | | | | | - Nigel Whittle
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innsbruck, Austria
| | - Nicolas Singewald
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innsbruck, Austria,Correspondence: Nicolas Singewald, PhD, Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80–82/III, A-6020 Innsbruck, Austria ()
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