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Gowatch LC, Evanski JM, Ely SL, Zundel CG, Bhogal A, Carpenter C, Shampine MM, O'Mara E, Mazurka R, Barcelona J, Mayo LM, Marusak HA. Endocannabinoids and Stress-Related Neurospsychiatric Disorders: A Systematic Review and Meta-Analysis of Basal Concentrations and Response to Acute Psychosocial Stress. Cannabis Cannabinoid Res 2024. [PMID: 38683635 DOI: 10.1089/can.2023.0246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024] Open
Abstract
Background: Dysregulation of the endocannabinoid (eCB) system is implicated in various stress-related neuropsychiatric disorders (SRDs), including anxiety, depression, and post-traumatic stress disorder (PTSD). In this systematic review and meta-analysis, our objectives were to characterize circulating anandamide (AEA) and 2-arachidonoylglycerol (2-AG) concentrations at rest and in response to acute laboratory-based psychosocial stress in individuals with SRDs and without (controls). Our primary aims were to assess the effects of acute psychosocial stress on eCB concentrations in controls (Aim 1), compare baseline (prestress) eCB concentrations between individuals with SRDs and controls (Aim 2), and explore differential eCB responses to acute psychosocial stress in individuals with SRDs compared with controls (Aim 3). Methods: On June 8, 2023, a comprehensive review of the MEDLINE (PubMed) database was conducted to identify original articles meeting inclusion criteria. A total of 1072, 1341, and 400 articles were screened for inclusion in Aims 1, 2, and 3, respectively. Results: Aim 1, comprised of seven studies in controls, revealed that most studies reported stress-related increases in AEA (86%, with 43% reporting statistical significance) and 2-AG (83%, though none were statistically significant except for one study in saliva). However, meta-analyses did not support these patterns (p's>0.05). Aim 2, with 20 studies, revealed that most studies reported higher baseline concentrations of both AEA (63%, with 16% reporting statistical significance) and 2-AG (60%, with 10% reporting statistical significance) in individuals with SRDs compared with controls. Meta-analyses confirmed these findings (p's<0.05). Aim 3, which included three studies, had only one study that reported statistically different stress-related changes in 2-AG (but not AEA) between individuals with PTSD (decrease) and controls (increase), which was supported by the meta-analysis (p<0.001). Meta-analyses showed heterogeneity across studies and aims (I2=14-97%). Conclusion: Despite substantial heterogeneity in study characteristics, samples, and methodologies, consistent patterns emerged, including elevated baseline AEA and 2-AG in individuals with SRDs compared with controls, as well as smaller stress-related increases in 2-AG in individuals with SRDs compared with controls. To consider eCBs as reliable biomarkers and potential intervention targets for SRDs, standardized research approaches are needed to clarify the complex relationships between eCBs, SRDs, and psychosocial stress.
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Affiliation(s)
- Leah C Gowatch
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
| | - Julia M Evanski
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, Michigan, USA
| | - Samantha L Ely
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
- Translational Neuroscience PhD Program, Wayne State University, Detroit, Michigan, USA
| | - Clara G Zundel
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
| | - Amanpreet Bhogal
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
| | - Carmen Carpenter
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
| | - MacKenna M Shampine
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
| | - Emilie O'Mara
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
| | - Raegan Mazurka
- Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada
- Nova Scotia Health, Halifax, Nova Scotia, Canada
| | - Jeanne Barcelona
- Center for Health and Community Impact, College of Education, Wayne State University, Detroit, Michigan, USA
| | - Leah M Mayo
- Hotchkiss Brain Institute and Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada
| | - Hilary A Marusak
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, Michigan, USA
- Translational Neuroscience PhD Program, Wayne State University, Detroit, Michigan, USA
- Department of Pharmacology, Wayne State University, Detroit, Michigan, USA
- Merrill Palmer Skillman Institute for Child and Family Development, Wayne State University, Detroit, Michigan, USA
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Obermanns J, Meiser H, Hoberg S, Vesterager CS, Schulz F, Juckel G, Emons B. Genetic variation of the 5-HT1A rs6295, 5-HT2A rs6311, and CNR1 rs1049353 and an altered endocannabinoid system in depressed patients. Brain Behav 2023; 13:e3323. [PMID: 37984468 PMCID: PMC10726863 DOI: 10.1002/brb3.3323] [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: 03/20/2023] [Revised: 10/16/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023] Open
Abstract
BACKGROUND The reasons for developing depression are not fully understood. However, it is known that the serotonergic system plays a role in the etiology, but the endocannabinoid system receives attention. METHOD In this study, 161 patients with a depressive disorder and 161 healthy participants were examined for the distribution of the CNR1 rs4940353, 5-HT2A rs6311, and 5-HT1A rs6295 by high-resolution melting genotyping. The concentration of arachidonoyl ethanolamide (AEA) and 2-arachidonoylglycerol (2-AG) in the blood was measured by liquid chromatography-tandem mass spectrometry. Additionally, depression and anxiety symptoms were evaluated based on self-questionnaires. Fifty-nine patients participated in a second appointment to measure the concentration of AEA, 2-AG, and symptoms of depression and anxiety. RESULTS We observed higher AEA and decreased 2-AG concentrations in patients with depression compared to healthy participants. During the treatment, the concentrations of AEA and 2-AG did not change significantly. In patients higher symptoms of anxiety correlated with lower concentrations of 2-AG. Gender differences were found concerning increased 2-AG concentration in male patients and increased anxiety symptoms in female patients. Genotypic variations of 5-HT1A rs6295 and 5-HT2A rs6311 are associated with altered serotonergic activity and serotonin content in patients. CONCLUSION In conclusion, it seems that the endocannabinoid system, especially the endocannabinoids 2-AG and AEA, and genetic variations of the 5-HT1A and 5-HT2A could play a role in patients with depression and may be involved in a depressive disorder.
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Affiliation(s)
- Jasmin Obermanns
- LWL University HospitalDepartment of PsychiatryPsychotherapy and Preventive MedicineRuhr University BochumBochumGermany
| | - Hanna Meiser
- LWL University HospitalDepartment of PsychiatryPsychotherapy and Preventive MedicineRuhr University BochumBochumGermany
| | - Saskia Hoberg
- LWL University HospitalDepartment of PsychiatryPsychotherapy and Preventive MedicineRuhr University BochumBochumGermany
| | | | - Frank Schulz
- Chemistry and Biochemistry of Natural ProductsRuhr University BochumBochumGermany
| | - Georg Juckel
- LWL University HospitalDepartment of PsychiatryPsychotherapy and Preventive MedicineRuhr University BochumBochumGermany
| | - Barbara Emons
- LWL University HospitalDepartment of PsychiatryPsychotherapy and Preventive MedicineRuhr University BochumBochumGermany
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Woźniczka K, Konieczyński P, Plenis A, Bączek T, Roszkowska A. SPME as a green sample-preparation technique for the monitoring of phytocannabinoids and endocannabinoids in complex matrices. J Pharm Anal 2023; 13:1117-1134. [PMID: 38024858 PMCID: PMC10657972 DOI: 10.1016/j.jpha.2023.06.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/10/2023] [Accepted: 06/27/2023] [Indexed: 12/01/2023] Open
Abstract
The endocannabinoid system (ECS), particularly its signaling pathways and ligands, has garnered considerable interest in recent years. Along with clinical work investigating the ECS' functions, including its role in the development of neurological and inflammatory conditions, much research has focused on developing analytical protocols enabling the precise monitoring of the levels and metabolism of the most potent ECS ligands: exogenous phytocannabinoids (PCs) and endogenous cannabinoids (endocannabinoids, ECs). Solid-phase microextraction (SPME) is an advanced, non-exhaustive sample-preparation technique that facilitates the precise and efficient isolation of trace amounts of analytes, thus making it appealing for the analysis of PCs and ECs in complex matrices of plant and animal/human origin. In this paper, we review recent forensic medicine and toxicological studies wherein SPME has been applied to monitor levels of PCs and ECs in complex matrices, determine their effects on organism physiology, and assess their role in the development of several diseases.
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Affiliation(s)
- Katarzyna Woźniczka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Paweł Konieczyński
- Department of Analytical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
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Roszkowska A, Klejbor I, Bogusiewicz J, Plenis A, Bojko B, Kowalik K, Moryś J, Bączek T. Monitoring of age- and gender-related alterations of endocannabinoid levels in selected brain regions with the use of SPME probes. Metabolomics 2023; 19:40. [PMID: 37043024 PMCID: PMC10097736 DOI: 10.1007/s11306-023-02007-9] [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: 10/31/2022] [Accepted: 04/05/2023] [Indexed: 04/13/2023]
Abstract
INTRODUCTION The endocannabinoid system consists of different types of receptors, enzymes and endocannabinoids (ECs), which are involved in several physiological processes, but also play important role in the development and progression of central nervous system disorders. OBJECTIVES The purpose of this study was to apply precise and sensitive methodology for monitoring of four ECs, namely anandamide (AEA), 2-arachidonoyl glycerol (2-AG), N-arachidonoyl dopamine (NADA), 2-arachidonyl glyceryl ether (2-AGe) in selected brain regions of female and male rats at different stages of development (young, adult and old). METHODS Biocompatible solid-phase microextraction (SPME) probes were introduced into the intact (non-homogenized) brain structures for isolation of four ECs, and the extracts were subjected to LC-MS/MS analysis. Two chemometric approaches, namely hierarchical cluster analysis (HCA) and Principal Component Analysis (PCA) were applied to provide more information about the levels of 2-AG and AEA in different brain structures. RESULTS 2-AG and AEA were extracted and could be quantified in each brain region; the level of 2-AG was significantly higher in comparison to the level of AEA. Two highly unstable ECs, NADA and 2-AGe, were captured by SPME probes from intact brain samples for the first time. CONCLUSION SPME probes were able to isolate highly unstable endogenous compounds from intact tissue, and provided new tools for precise analysis of the level and distribution of ECs in different brain regions. Monitoring of ECs in brain samples is important not only in physiological conditions, but also may contribute to better understanding of the functioning of the endocannabinoid system in various disorders.
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Affiliation(s)
- Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland.
| | - Ilona Klejbor
- Department of Anatomy, Institute of Medical Sciences, Jan Kochanowski University, Kielce, Poland
| | - Joanna Bogusiewicz
- Department of Pharmacodynamics and Molecular Pharmacology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Barbara Bojko
- Department of Pharmacodynamics and Molecular Pharmacology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Katarzyna Kowalik
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Janusz Moryś
- Department of Normal Anatomy, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
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Iwasa M, Ando W, Uemura K, Hamada H, Takao M, Sugano N. Association between magnitude of femoral head collapse and quality of life in patients with osteonecrosis of the femoral head. Mod Rheumatol 2023; 33:416-421. [PMID: 35260881 DOI: 10.1093/mr/roac023] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/12/2022] [Accepted: 03/04/2022] [Indexed: 11/12/2022]
Abstract
OBJECTIVES The magnitude of femoral head collapse (MFHC) is one of the criteria for staging osteonecrosis of the femoral head (ONFH). The present study aimed to clarify the relationship between MFHC and hip pain or functional quality of life (QOL) scores in patients with ONFH. METHODS Seventy patients with ONFH who had femoral head collapse without osteoarthritic changes were divided into four groups based on MFHC by 1 mm. Pain was assessed using the visual analogue scale (VAS). QOL was evaluated using patient-reported outcome measures such as the Japanese Orthopaedic Association Hip-Disease Evaluation Questionnaire (JHEQ), Oxford Hip Score (OHS), and Short Form-12 Health Survey, version 2 (SF-12v2). We also explored the relationship between MFHC and QOL. RESULTS Pain score and satisfaction score in the VAS, JHEQ pain subscale, JHEQ movement subscale, and JHEQ total score were significantly associated with MFHC, and no significant differences were found between groups in any subscale or total score for OHS and SF-12v2. CONCLUSION In patients with ONFH, differences in MFHC by 1 mm were associated with deterioration of some pain VAS and QOL outcomes.
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Affiliation(s)
- Makoto Iwasa
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Wataru Ando
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Keisuke Uemura
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hidetoshi Hamada
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Masaki Takao
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Nobuhiko Sugano
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
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Behnke A, Gumpp AM, Rojas R, Sänger T, Lutz-Bonengel S, Moser D, Schelling G, Krumbholz A, Kolassa IT. Circulating inflammatory markers, cell-free mitochondrial DNA, cortisol, endocannabinoids, and N-acylethanolamines in female depressed outpatients. World J Biol Psychiatry 2023; 24:58-69. [PMID: 35532037 DOI: 10.1080/15622975.2022.2070666] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVES Major depressive disorder (MDD) involves peripheral low-grade pro-inflammatory activity. This multi-biomarker case-control study characterises the proinflammatory status in MDD beyond C-reactive protein (CRP) and Interleukin (IL)-6 levels through investigating concomitant alterations of immunoregulatory biomolecules. METHODS In 20 female MDD patients and 24 non-depressed women, circulating levels of CRP, IL-6, cortisol, selected endocannabinoids (ECs; anandamide [AEA], 2-arachidonylglycerol [2-AG]), and N-acylethanolamines (NAEs), as well as circulating cell-free mitochondrial DNA (ccf-mtDNA) were measured. RESULTS We found higher serum CRP and plasma AEA levels in MDD and a positive association of CRP and AEA levels with current depressive symptoms. Blood levels of cortisol, ccf-mtDNA, 2-AG, and NAEs did depend on MDD diagnosis nor correlated with the severity of current depressive symptoms. CRP correlated positively with AEA, and AEA showed positive associations with 2-AG and NAE levels. CONCLUSIONS In this study, female MDD outpatients with mild to moderate disorder severity did not substantially differ from non-depressed controls in the resting levels of multiple immunoregulatory markers in peripheral blood. Instead of investigating resting levels, future research on the role of inflammatory activity in MDD should focus on investigating the reactivity of pathways modulating the immune system upon exposure to physical and psychosocial stressors.
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Affiliation(s)
- Alexander Behnke
- Clinical & Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Anja Maria Gumpp
- Clinical & Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Roberto Rojas
- University Psychotherapeutic Outpatient Clinic, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Timo Sänger
- Forensic Molecular Biology, Institute of Forensic Medicine, Medical Centre-University of Freiburg, Freiburg, Germany.,Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sabine Lutz-Bonengel
- Forensic Molecular Biology, Institute of Forensic Medicine, Medical Centre-University of Freiburg, Freiburg, Germany.,Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Dirk Moser
- Molecular Genetics Lab, Department of Genetic Psychology, Ruhr-Universität Bochum, Bochum, Germany
| | - Gustav Schelling
- Department of Anaesthesiology, Ludwig Maximilians University, Munich, Germany
| | - Aniko Krumbholz
- Institute of Doping Analysis and Sports Biochemistry (IDAS) Dresden, Kreischa, Germany
| | - Iris-Tatjana Kolassa
- Clinical & Biological Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
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Chu L, Wang L, Wu Y, Yang H, Wang W, Lu Q, Deng H. REMOVED: Plasma Steroids and Endocannabinoids Used as Biomarkers to Assess the Pruritus Severity of Patients With Prurigo Nodularis. ACTAS DERMO-SIFILIOGRAFICAS 2022; 113:T244-T253. [PMID: 35331446 DOI: 10.1016/j.ad.2021.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 10/09/2021] [Accepted: 10/11/2021] [Indexed: 10/20/2022] Open
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the first author and the approval of all of the co-authors. After publication, the author contacted the journal regarding errors affecting the statistical analysis: the incorrect identification of patients in the part of clinical information and biomarker's levels led to incorrect conclusions of the study. The data is lacking experimental verification due to data loss and errors. The editor in chief accepted the retraction. The authors offer their apologies.
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Affiliation(s)
- L Chu
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - L Wang
- Department of Rehabilitation Medicine, the Third Medical Centre, Chinese PLA General Hospital, Pekín, China
| | - Y Wu
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - H Yang
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - W Wang
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - Q Lu
- Department of Prescription Science, School of Basic Medical Sciences, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China.
| | - H Deng
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China.
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Chu L, Wang LK, Wu Y, Yang H, Wang W, Lu Q, Deng H. REMOVED: Plasma Steroids and Endocannabinoids Used as Biomarkers to Assess the Pruritus Severity of Patients With Prurigo Nodularis. ACTAS DERMO-SIFILIOGRAFICAS 2022; 113:244-253. [PMID: 35282859 DOI: 10.1016/j.ad.2022.02.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 10/11/2021] [Indexed: 12/16/2022] Open
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the first author and the approval of all of the co-authors. After publication, the author contacted the journal regarding errors affecting the statistical analysis: the incorrect identification of patients in the part of clinical information and biomarker's levels led to incorrect conclusions of the study. The data is lacking experimental verification due to data loss and errors. The editor in chief accepted the retraction. The authors offer their apologies.
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Affiliation(s)
- L Chu
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - L-K Wang
- Department of Rehabilitation Medicine, the Third Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Y Wu
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - H Yang
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - W Wang
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China
| | - Q Lu
- Department of Prescription Science, School of Basic Medical Sciences, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, China.
| | - H Deng
- School of Biological Sciences & Medical Engineering, Southeast University, Nanjing, China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, China; Institute of Child Development and Education, Southeast University, Nanjing, China.
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Babaei P, Azari HB. Exercise Training Improves Memory Performance in Older Adults: A Narrative Review of Evidence and Possible Mechanisms. Front Hum Neurosci 2022; 15:771553. [PMID: 35153701 PMCID: PMC8829997 DOI: 10.3389/fnhum.2021.771553] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 12/16/2021] [Indexed: 12/15/2022] Open
Abstract
Graphical AbstractExercise, neurotransmitters, growth factors, myokines, and potential effects on the brain.
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Affiliation(s)
- Parvin Babaei
- Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
- Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
- *Correspondence: Parvin Babaei,
| | - Helya Bolouki Azari
- Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
- Department of Physiology, Tehran University of Medical Sciences, Tehran, Iran
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Peripheral endocannabinoid serum level in association with repetitive transcranial magnetic stimulation (rTMS) treatment in patients with major depressive disorder. Sci Rep 2021; 11:8867. [PMID: 33893327 PMCID: PMC8065048 DOI: 10.1038/s41598-021-87840-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 03/31/2021] [Indexed: 11/29/2022] Open
Abstract
Repetitive transcranial magnetic stimulation (rTMS) is an effective and well tolerable biological intervention in major depressive disorder (MDD) contributing to rapid symptom improvement. Molecular mechanisms underpinning the therapeutic effects of rTMS have still not been clarified. Recently published animal data implicated relevant associations with changes in endocannabinoid (eCB) brain levels during rTMS treatment, human studies, however, have not been published. In our study we assessed the detailed phenotypic spectrum of MDD and serum 2-arachidnoylglycerol (2-AG) and anandamide (AEA) levels in 18 patients with treatment-resistant depression before, immediately following, and two weeks after completion of a 10-day rTMS treatment. We found significant associations between serum 2-AG level changes from pretreatment to 2 weeks after treatment and symptom reduction. The greater the increase of 2-AG levels, the greater the improvement of depressive (p = 0.031), anxious (p = 0.007) and anhedonia symptoms (p = 0.047). Here we report for the first time a significant association of human circulating eCB and antidepressant effect of rTMS. Our data may indicate that direct stimulation of targeted brain areas can rapidly alleviate depressive complaints via activation of the eCB system.
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The endocannabinoid system in humans: significant associations between anandamide, brain function during reward feedback and a personality measure of reward dependence. Neuropsychopharmacology 2021; 46:1020-1027. [PMID: 33007775 PMCID: PMC8114914 DOI: 10.1038/s41386-020-00870-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 09/11/2020] [Accepted: 09/21/2020] [Indexed: 01/24/2023]
Abstract
Preclinical evidence indicates that the endocannabinoid system is involved in neural responses to reward. This study aimed to investigate associations between basal serum concentrations of the endocannabinoids anandamide (AEA) and 2-arachidonylglycerol (2-AG) with brain functional reward processing. Additionally, a personality measure of reward dependence was obtained. Brain functional data were obtained of 30 right-handed adults by conducting fMRI at 3 Tesla using a reward paradigm. Reward dependence was obtained using the subscale reward dependence of the Tridimensional Personality Questionnaire (TPQ). Basal concentrations of AEA and 2-AG were determined in serum. Analyzing the fMRI data, for AEA and 2-AG ANCOVAs were calculated using a full factorial model, with condition (reward > control, loss > control) and concentrations for AEA and 2-AG as factors. Regression analyses were conducted for AEA and 2-AG on TPQ-RD scores. A whole-brain analysis showed a significant interaction effect of AEA concentration by condition (positive vs. negative) within the putamen (x = 26, y = 16, z = -8, F13.51, TFCE(1, 54) = 771.68, k = 70, PFWE = 0.044) resulting from a positive association of basal AEA concentrations and putamen activity to rewarding stimuli, while this association was absent in the loss condition. AEA concentrations were significantly negatively correlated with TPQ reward dependence scores (rspearman = -0.56, P = 0.001). These results show that circulating AEA may modulate brain activation during reward feedback and that the personality measure reward dependence is correlated with AEA concentrations in healthy human volunteers. Future research is needed to further characterize the nature of the lipids' influence on reward processing, the impact on reward anticipation and outcome, and on vulnerability for psychiatric disorders.
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Endocannabinoid system in psychotic and mood disorders, a review of human studies. Prog Neuropsychopharmacol Biol Psychiatry 2021; 106:110096. [PMID: 32898588 PMCID: PMC8582009 DOI: 10.1016/j.pnpbp.2020.110096] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/13/2020] [Accepted: 09/01/2020] [Indexed: 12/21/2022]
Abstract
Despite widespread evidence of endocannabinoid system involvement in the pathophysiology of psychiatric disorders, our understanding remains rudimentary. Here we review studies of the endocannabinoid system in humans with psychotic and mood disorders. Postmortem, peripheral, cerebrospinal fluid and in vivo imaging studies provide evidence for the involvement of the endocannabinoid system in psychotic and mood disorders. Psychotic disorders and major depressive disorder exhibit alterations of brain cannabinoid CB1 receptors and peripheral blood endocannabinoids. Further, these changes may be sensitive to treatment status, disease state, and symptom severity. Evidence from psychotic disorder extend to endocannabinoid metabolizing enzymes in the brain and periphery, whereas these lines of evidence remain poorly developed in mood disorders. A paucity of studies examining this system in bipolar disorder represents a notable gap in the literature. Despite a growing body of productive work in this field of research, there is a clear need for investigation beyond the CB1 receptor in order to more fully elucidate the role of the endocannabinoid system in psychotic and mood disorders.
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von Wrede R, Helmstaedter C, Surges R. Cannabidiol in the Treatment of Epilepsy. Clin Drug Investig 2021; 41:211-220. [PMID: 33559102 PMCID: PMC7946683 DOI: 10.1007/s40261-021-01003-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/15/2021] [Indexed: 12/19/2022]
Abstract
Anecdotal reports addressing the successful seizure treatment of severe epilepsies with cannabidiol (CBD) have increased both public interest and academic research. Placebo-controlled, randomized, controlled trials proved the efficacy of pharmaceutical-grade CBD in epilepsy treatment, thus leading to pharmaceutical-grade CBD approval by the US Food and Drug Administration and the European Medicines Agency for the treatment of seizures in Dravet syndrome and Lennox–Gastaut syndrome as well as for tuberous complex syndrome by the Food and Drug Administration only. However, the CBD market is confusing because an array of products of different origins, purity, and concentration is available. Additionally, the results from the pivotal studies with plant-derived, pharmaceutical-grade CBD cannot simply be transferred to other epilepsy types or CBD of any origin. Because of the high demands and expectations that patients with epilepsy and their caregivers have regarding CBD, information outlining the proven facts and potential risks is essential. The aim of this article is to thoroughly review available research data and practical recommendations to provide the treating physician with the necessary information for counseling patients with epilepsy.
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Affiliation(s)
- Randi von Wrede
- Department of Epileptology, University Hospital Bonn (UKB), Venusberg Campus 1, 53127, Bonn, Germany.
| | - Christoph Helmstaedter
- Department of Epileptology, University Hospital Bonn (UKB), Venusberg Campus 1, 53127, Bonn, Germany
| | - Rainer Surges
- Department of Epileptology, University Hospital Bonn (UKB), Venusberg Campus 1, 53127, Bonn, Germany
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Charytoniuk T, Zywno H, Konstantynowicz-Nowicka K, Berk K, Bzdega W, Chabowski A. Can Physical Activity Support the Endocannabinoid System in the Preventive and Therapeutic Approach to Neurological Disorders? Int J Mol Sci 2020; 21:E4221. [PMID: 32545780 PMCID: PMC7352563 DOI: 10.3390/ijms21124221] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/07/2020] [Accepted: 06/09/2020] [Indexed: 12/14/2022] Open
Abstract
The worldwide prevalence of neurological and neurodegenerative disorders, such as depression or Alzheimer's disease, has spread extensively throughout the last decades, becoming an enormous health issue. Numerous data indicate a distinct correlation between the altered endocannabinoid signaling and different aspects of brain physiology, such as memory or neurogenesis. Moreover, the endocannabinoid system is widely regarded as a crucial factor in the development of neuropathologies. Thus, targeting those disorders via synthetic cannabinoids, as well as phytocannabinoids, becomes a widespread research issue. Over the last decade, the endocannabinoid system has been extensively studied for its correlation with physical activity. Recent data showed that physical activity correlates with elevated endocannabinoid serum concentrations and increased cannabinoid receptor type 1 (CB1R) expression in the brain, which results in positive neurological effects including antidepressant effect, ameliorated memory, neuroplasticity development, and reduced neuroinflammation. However, none of the prior reviews presented a comprehensive correlation between physical activity, the endocannabinoid system, and neuropathologies. Thus, our review provides a current state of knowledge of the endocannabinoid system, its action in physical activity, as well as neuropathologies and a possible correlation between all those fields. We believe that this might contribute to finding a new preventive and therapeutic approach to both neurological and neurodegenerative disorders.
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Affiliation(s)
- Tomasz Charytoniuk
- Department of Physiology, Medical University of Bialystok, 15-089 Białystok, Poland; (H.Z.); (K.K.-N.); (K.B.); (W.B.); (A.C.)
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15
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Sher L, Bierer LM, Flory J, Hill MN, Makotkine I, Yehuda R. Endogenous cannabinoid levels and suicidality in combat veterans. Psychiatry Res 2020; 287:112495. [PMID: 31375282 DOI: 10.1016/j.psychres.2019.112495] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 07/24/2019] [Accepted: 07/24/2019] [Indexed: 12/29/2022]
Abstract
Combat veterans are at elevated suicide risk. The goal of this study was to test the hypothesis that combat veterans who have made a suicide attempt post-deployment can be distinguished from combat veterans who have never made a suicide attempt based on differences in psychological and biological variables. For the latter, we focused on endogenous cannabinoids, neuroendocrine markers that are associated with stress. Demographic and clinical parameters of suicide attempters and non-attempters were assessed. Blood samples were assayed for anandamide (AEA), 2-arachidonoylglycerol (2-AG), and cortisol. Suicide attempters had higher Scale for Suicidal Ideation (SSI) scores in comparison to non-attempters. Controlling for gender, 2-AG levels were higher among suicide attempters in comparison to non-attempters. Cortisol levels positively correlated with 2-AG levels and negatively correlated with SSI scores among non-attempters but not among attempters. AEA levels negatively correlated with SSI scores among attempters but not among non-attempters. Our results indicate that there are psychological and biological differences between combat veterans with or without a history of suicidal attempt. Our findings also suggest that clinically observed differences between the groups may have a neurobiological basis.
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Affiliation(s)
- Leo Sher
- James J. Peters Veterans' Administration Medical Center, Bronx, NY, USA; Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Linda M Bierer
- James J. Peters Veterans' Administration Medical Center, Bronx, NY, USA; Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Janine Flory
- James J. Peters Veterans' Administration Medical Center, Bronx, NY, USA; Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Iouri Makotkine
- James J. Peters Veterans' Administration Medical Center, Bronx, NY, USA; Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rachel Yehuda
- James J. Peters Veterans' Administration Medical Center, Bronx, NY, USA; Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Abstract
Understanding the neurobiological basis of post-traumatic stress disorder (PTSD) is fundamental to accurately diagnose this neuropathology and offer appropriate treatment options to patients. The lack of pharmacological effects, too often observed with the most currently used drugs, the selective serotonin reuptake inhibitors (SSRIs), makes even more urgent the discovery of new pharmacological approaches. Reliable animal models of PTSD are difficult to establish because of the present limited understanding of the PTSD heterogeneity and of the influence of various environmental factors that trigger the disorder in humans. We summarize knowledge on the most frequently investigated animal models of PTSD, focusing on both their behavioral and neurobiological features. Most of them can reproduce not only behavioral endophenotypes, including anxiety-like behaviors or fear-related avoidance, but also neurobiological alterations, such as glucocorticoid receptor hypersensitivity or amygdala hyperactivity. Among the various models analyzed, we focus on the social isolation mouse model, which reproduces some deficits observed in humans with PTSD, such as abnormal neurosteroid biosynthesis, changes in GABAA receptor subunit expression and lack of pharmacological response to benzodiazepines. Neurosteroid biosynthesis and its interaction with the endocannabinoid system are altered in PTSD and are promising neuronal targets to discover novel PTSD agents. In this regard, we discuss pharmacological interventions and we highlight exciting new developments in the fields of research for novel reliable PTSD biomarkers that may enable precise diagnosis of the disorder and more successful pharmacological treatments for PTSD patients.
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17
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Xue SS, Xue F, Ma QR, Wang SQ, Wang Y, Tan QR, Wang HN, Zhou CH, Peng ZW. Repetitive high-frequency transcranial magnetic stimulation reverses depressive-like behaviors and protein expression at hippocampal synapses in chronic unpredictable stress-treated rats by enhancing endocannabinoid signaling. Pharmacol Biochem Behav 2019; 184:172738. [PMID: 31229467 DOI: 10.1016/j.pbb.2019.172738] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 06/19/2019] [Accepted: 06/19/2019] [Indexed: 12/15/2022]
Abstract
The anti-depressant effect of repetitive transcranial magnetic stimulation (rTMS), a clinically-useful treatment for depression, is associated with changes to the endocannabinoid system (ECS). However, it is currently unknown whether different frequencies of rTMS alter the ECS differently. To test this, rats exposed to chronic unpredictable stress (CUS) were treated with rTMS at two different frequencies (5 (high) or 1 Hz (low), 1.26 Tesla) for 7 consecutive days. Twenty-four hours after the final rTMS treatment, we evaluated depressive-like behaviors and the expression of several synaptic proteins and ECS-related proteins in the hippocampus. In addition, we knocked-down diacylglycerol lipase alpha (DAGLα) and cannabinoid type 1 receptor (CB1R), two important components of the ECS, and measured depressive-like behaviors and synaptic protein expression following rTMS. Furthermore, we measured the expression levels of several components of the ECS system in hippocampal-derived astrocytes and neurons exposed to repetitive magnetic stimulation (rMS) with different parameters (5 or 1 Hz, 0.84 or 1.26 Tesla). Interestingly, we found that only high-frequency rTMS ameliorated depressive-like behaviors and normalized the expression of hippocampal synaptic proteins in CUS-treated rats; this effect was eliminated by knockdown of DAGLα or CB1R. Moreover, we found that rMS at 5 Hz increased the expression of DAGLα and CB1R in hippocampal astrocytes and neurons. Collectively, our results suggest that high-frequency rTMS exerts its anti-depressant effect by up-regulating DAGLα and CB1R.
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Affiliation(s)
- Shan-Shan Xue
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Fen Xue
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Quan-Rui Ma
- Department of Human Anatomy and Histology and Embryology, Basic Medical College, Ningxia Medical University, 750004, China
| | - Shi-Quan Wang
- Department of Anesthesiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Ying Wang
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Qing-Rong Tan
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Hua-Ning Wang
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Cui-Hong Zhou
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
| | - Zheng-Wu Peng
- Department of Psychiatry, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
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Zou M, Li D, Li L, Wu L, Sun C. Role of the endocannabinoid system in neurological disorders. Int J Dev Neurosci 2019; 76:95-102. [PMID: 30858029 DOI: 10.1016/j.ijdevneu.2019.03.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 03/06/2019] [Accepted: 03/07/2019] [Indexed: 01/13/2023] Open
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder that begins in infancy. Although the etiology and pathogenesis are poorly understood, many studies have shown that ASD is closely related to structural and functional defects in the nervous system, especially synaptic transmission. The endocannabinoid (eCB) system is an important regulatory system of the central nervous system that regulates neurotransmission and synaptic plasticity and plays an important role in emotional and social responses and cognitive function. The relationship between eCB system and ASD has attracted increasing attention from scholars. In this review, we discuss the complex lipid signaling network of the eCB system, intracellular transport pathways, abnormal expression and association with various neurological diseases, and direct and indirect evidence for the link between eCB and ASD. Collectively, the findings to date indicate that the eCB system plays a key role in the pathophysiology of ASD and can provide new insights into potential interventions and rehabilitation strategies for ASD.
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Affiliation(s)
- Mingyang Zou
- Department of Children's and Adolescent Health, Public Health College, Harbin Medical University, Harbin, 150081, China
| | - Dexin Li
- Department of Children's and Adolescent Health, Public Health College, Harbin Medical University, Harbin, 150081, China
| | - Ling Li
- Department of Children's and Adolescent Health, Public Health College, Harbin Medical University, Harbin, 150081, China
| | - Lijie Wu
- Department of Children's and Adolescent Health, Public Health College, Harbin Medical University, Harbin, 150081, China
| | - Caihong Sun
- Department of Children's and Adolescent Health, Public Health College, Harbin Medical University, Harbin, 150081, China
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19
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Affiliation(s)
- Leo Sher
- 1 James J. Peters VA Medical Center, Bronx, NY, USA.,2 Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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20
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The endocannabinoid system in mental disorders: Evidence from human brain studies. Biochem Pharmacol 2018; 157:97-107. [DOI: 10.1016/j.bcp.2018.07.009] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 07/12/2018] [Indexed: 02/06/2023]
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