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Maciocha F, Suchanecka A, Chmielowiec K, Chmielowiec J, Ciechanowicz A, Boroń A. Correlations of the CNR1 Gene with Personality Traits in Women with Alcohol Use Disorder. Int J Mol Sci 2024; 25:5174. [PMID: 38791212 PMCID: PMC11121729 DOI: 10.3390/ijms25105174] [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: 04/08/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Alcohol use disorder (AUD) is a significant issue affecting women, with severe consequences for society, the economy, and most importantly, health. Both personality and alcohol use disorders are phenotypically very complex, and elucidating their shared heritability is a challenge for medical genetics. Therefore, our study investigated the correlations between the microsatellite polymorphism (AAT)n of the Cannabinoid Receptor 1 (CNR1) gene and personality traits in women with AUD. The study group included 187 female subjects. Of these, 93 were diagnosed with alcohol use disorder, and 94 were controls. Repeat length polymorphism of microsatellite regions (AAT)n in the CNR1 gene was identified with PCR. All participants were assessed with the Mini-International Neuropsychiatric Interview and completed the NEO Five-Factor and State-Trait Anxiety Inventories. In the group of AUD subjects, significantly fewer (AAT)n repeats were present when compared with controls (p = 0.0380). While comparing the alcohol use disorder subjects (AUD) and the controls, we observed significantly higher scores on the STAI trait (p < 0.00001) and state scales (p = 0.0001) and on the NEO Five-Factor Inventory Neuroticism (p < 0.00001) and Openness (p = 0.0237; insignificant after Bonferroni correction) scales. Significantly lower results were obtained on the NEO-FFI Extraversion (p = 0.00003), Agreeability (p < 0.00001) and Conscientiousness (p < 0.00001) scales by the AUD subjects when compared to controls. There was no statistically significant Pearson's linear correlation between the number of (AAT)n repeats in the CNR1 gene and the STAI and NEO Five-Factor Inventory scores in the group of AUD subjects. In contrast, Pearson's linear correlation analysis in controls showed a positive correlation between the number of the (AAT)n repeats and the STAI state scale (r = 0.184; p = 0.011; insignificant after Bonferroni correction) and a negative correlation with the NEO-FFI Openness scale (r = -0.241; p = 0.001). Interestingly, our study provided data on two separate complex issues, i.e., (1) the association of (AAT)n CNR1 repeats with the AUD in females; (2) the correlation of (AAT)n CNR1 repeats with anxiety as a state and Openness in non-alcohol dependent subjects. In conclusion, our study provided a plethora of valuable data for improving our understanding of alcohol use disorder and anxiety.
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Affiliation(s)
- Filip Maciocha
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (F.M.); (A.C.)
| | - Aleksandra Suchanecka
- Independent Laboratory of Behavioral Genetics and Epigenetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Andrzej Ciechanowicz
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (F.M.); (A.C.)
| | - Agnieszka Boroń
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (F.M.); (A.C.)
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Guan Q, Dong H, Zhang Z, Guo Z, Lin Z, Niu H, Wu Y, Hou H. The mediating effect of perceived stress on the relationship between big five personality traits and suboptimal health status in Chinese population: a nationwide survey in the framework of predictive, preventive, and personalized medicine. EPMA J 2024; 15:25-38. [PMID: 38463623 PMCID: PMC10923761 DOI: 10.1007/s13167-023-00349-x] [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] [Received: 09/02/2023] [Accepted: 11/22/2023] [Indexed: 03/12/2024]
Abstract
Background The effects of psychological factors on suboptimal health status (SHS) have been widely described; however, mechanisms behind the complex relationships among the Big Five personality traits and SHS are unclear. Identifying people with specific traits who are susceptible to SHS will help improve life quality and reduce the chronic disease burden under the framework of predictive, preventive, and personalized medicine (PPPM / 3PM). This study investigated the relationships among personality traits and SHS. It also explored whether perceived stress plays a mediating role in SHS development. Method A nationwide cross-sectional survey based on multistage random sampling was conducted in 148 cities in China between June 20 and August 31, 2022. Personality traits, perceived stress, and SHS were evaluated using the Big Five Inventory-10 (BFI-10), the 4-item Perceived Stress Scale (PSS-4), and the Short-Form Suboptimal Health Status Questionnaire (SHSQ-SF), respectively. Pearson's correlation analysis was employed to examine the associations between personality traits, perceived stress, and SHS. Structural equation modeling (SEM) was used to discern the mediating role of perceived stress in the relationships among personality traits and SHS. Result A total of 22,897 participants were enrolled in this study, among whom the prevalence of SHS was 52.9%. SHS was negatively correlated with three trait dimensions (i.e., extraversion, agreeableness, and conscientiousness) but positively correlated with neuroticism. Meanwhile, stress was negatively correlated with extraversion, agreeableness, conscientiousness, and openness, whereas it was positively correlated with neuroticism. The SEM results showed that, when adjusting for covariates (i.e., gender, age, BMI, educational level, current residence, marital status, and occupational status), higher agreeableness (β = - 0.049, P < 0.001) and conscientiousness (β = - 0.103, P < 0.001) led to lower SHS prevalence, higher neuroticism (β = 0.130, P < 0.001), and openness (β = 0.026, P < 0.001) caused SHS to be more prevalent. Perceived stress played a partial mediating role in the relationships among personality traits and SHS, respectively, contributing 41.3%, 35.9%, and 32.5% to the total effects of agreeableness, conscientiousness, and neuroticism on SHS. Additionally, the mediating impact of stress was significant even though extraversion had no direct effect on SHS. Conclusion This study revealed a high prevalence of SHS in Chinese residents. Personality traits significantly influenced SHS rates, which perceived stress tended to mediate. From a PPPM perspective, early screening and targeted intervention for people with neuroticism (as well as stress alleviation) might contribute to health enhancement and chronic disease prevention. Supplementary Information The online version contains supplementary material available at 10.1007/s13167-023-00349-x.
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Affiliation(s)
- Qihua Guan
- School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Hualei Dong
- Department of Sanatorium, Shandong Provincial Taishan Hospital, Taian, China
| | - Zhihui Zhang
- Department of Thoracic Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian, China
| | - Zheng Guo
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN USA
- School of Public Health, Edith Cowan University, Perth, Australia
| | - Zi Lin
- Department of Pediatrics, Taian Maternity and Child Health Hospital, Taian, China
| | - Hui Niu
- Department of Pediatrics, Taian Maternity and Child Health Hospital, Taian, China
| | - Yibo Wu
- School of Public Health, Peking University, 38 Xueyuan Road, Haidian District, Beijing, 100191 China
| | - Haifeng Hou
- School of Public Health and The Second Affiliated Hospital of Shandong First Medical University, 6699 Qingdao Road, Jinan, 250117 Taian China
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Xiao Y, Zhao L, Zang X, Xue S. Compressed primary-to-transmodal gradient is accompanied with subcortical alterations and linked to neurotransmitters and cellular signatures in major depressive disorder. Hum Brain Mapp 2023; 44:5919-5935. [PMID: 37688552 PMCID: PMC10619397 DOI: 10.1002/hbm.26485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 08/18/2023] [Accepted: 08/30/2023] [Indexed: 09/11/2023] Open
Abstract
Major depressive disorder (MDD) has been shown to involve widespread changes in low-level sensorimotor and higher-level cognitive functions. Recent research found that a primary-to-transmodal gradient could capture a cortical hierarchical organization ranging from perception and action to cognition in healthy subjects, but a prominent gradient dysfunction in MDD patients. However, whether and how this cortical gradient is linked to subcortical impairments and whether it is reflected in the microscale neurotransmitter systems and cell type-specific transcriptional signatures remain largely unknown. Data were acquired from 323 MDD patients and 328 sex- and age-matched healthy controls derived from the REST-meta-MDD project, and the human brain neurotransmitter systems density maps and gene expression data were drawn from two publicly available datasets. We investigated alterations of the primary-to-transmodal gradient in MDD patients and their correlations with clinical symptoms of depression and anxiety, as well as their paralleled subcortical impairments. The correlations between MDD-related gradient alterations and densities of the neurotransmitter systems and gene expression information were assessed, respectively. The results demonstrated that MDD patients had a compressed primary-to-transmodal gradient accompanied by paralleled alterations in subcortical regions including the caudate, amygdala, and thalamus. The case-control gradient differences were spatially correlated with the densities of the neurotransmitter systems including the serotonin and dopamine receptors, and meanwhile with gene expression enriched in astrocytes, excitatory and inhibitory neuronal cells. These findings mapped the paralleled subcortical impairments in cortical hierarchical organization and also helped us understand the possible molecular and cellular substrates of the co-occurrence of high-level cognitive impairments with low-level sensorimotor abnormalities in MDD.
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Affiliation(s)
- Yang Xiao
- Center for Cognition and Brain DisordersThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Institute of Psychological ScienceHangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Zhejiang Key Laboratory for Research in Assessment of Cognitive ImpairmentsHangzhouZhejiang ProvincePR China
| | - Lei Zhao
- Center for Cognition and Brain DisordersThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Institute of Psychological ScienceHangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Zhejiang Key Laboratory for Research in Assessment of Cognitive ImpairmentsHangzhouZhejiang ProvincePR China
| | - Xuelian Zang
- Center for Cognition and Brain DisordersThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Institute of Psychological ScienceHangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Zhejiang Key Laboratory for Research in Assessment of Cognitive ImpairmentsHangzhouZhejiang ProvincePR China
| | - Shao‐Wei Xue
- Center for Cognition and Brain DisordersThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Institute of Psychological ScienceHangzhou Normal UniversityHangzhouZhejiang ProvincePR China
- Zhejiang Key Laboratory for Research in Assessment of Cognitive ImpairmentsHangzhouZhejiang ProvincePR China
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Cai L, He J, Wu Y, Jia X. The relationship between big five personality and quality of life of people with disabilities: The mediating effect of social support. Front Psychol 2023; 13:1061455. [PMID: 36687949 PMCID: PMC9849565 DOI: 10.3389/fpsyg.2022.1061455] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 12/14/2022] [Indexed: 01/07/2023] Open
Abstract
Objective The quality of life of people with disabilities is of great significance to social stability and development. Increasing the quality of life among the disabled has become a worldwide topic. This study aims to examine the relationship between the big five personality and quality of life and the mediating effects of social support indicators in people with disabilities. Methods This was a cross-sectional study with 358 people with disabilities (193 women and 165 men). A questionnaire was utilized to measure big five personality, social support, and quality of life variables. Pearson's correlation analysis and structural equation modeling were used to examine the relation among big five personality, social support, and quality of life. Results QOL was positively correlated with social support (r = 0.402, p < 0.001), extraversion (r = 0.324, p < 0.001), agreeableness (r = 0.474, p < 0.001), conscientiousness (r = 0.482, p < 0.001), and openness (r = 0.498, p < 0.001). QOL was negatively correlated with neuroticism (r = -0.186, p < 0.001). The mediating effect of social support on the relationship between neuroticism and the quality of life of people with disabilities was not significant. Social support significantly mediated the relationship between extraversion, agreeableness, conscientiousness, openness, and quality of life. Overall, positive personality traits (extraversion, agreeableness, conscientiousness, and openness) in the Big Five Personality of people with disabilities could increase their quality of life by Perceiving social support. But social support could not significantly mediate the relationship between neuroticism and the quality of life of people with disabilities. Conclusion These new findings suggest that combining individual factors (personality) and environmental factors (social support) can better improve the quality of life of people with disabilities.
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Affiliation(s)
- Lin Cai
- School of Marxism, Sichuan Institute of Industrial Technology, Deyang, China
| | - Jiaxin He
- School of Marxism, Sichuan Institute of Industrial Technology, Deyang, China
| | - Yibo Wu
- School of Public Health, Peking University, Beijing, China
| | - Xuji Jia
- Faculty of Psychology, Tianjin Normal University, Tianjin, China
- Academy of Psychology and Behavior, Tianjin Normal University, Tianjin, China
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Bright U, Akirav I. Modulation of Endocannabinoid System Components in Depression: Pre-Clinical and Clinical Evidence. Int J Mol Sci 2022; 23:5526. [PMID: 35628337 PMCID: PMC9146799 DOI: 10.3390/ijms23105526] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 02/05/2023] Open
Abstract
Depression is characterized by continuous low mood and loss of interest or pleasure in enjoyable activities. First-line medications for mood disorders mostly target the monoaminergic system; however, many patients do not find relief with these medications, and those who do suffer from negative side effects and a discouragingly low rate of remission. Studies suggest that the endocannabinoid system (ECS) may be involved in the etiology of depression and that targeting the ECS has the potential to alleviate depression. ECS components (such as receptors, endocannabinoid ligands, and degrading enzymes) are key neuromodulators in motivation and cognition as well as in the regulation of stress and emotions. Studies in depressed patients and in animal models for depression have reported deficits in ECS components, which is motivating researchers to identify potential diagnostic and therapeutic biomarkers within the ECS. By understanding the effects of cannabinoids on ECS components in depression, we enhance our understanding of which brain targets they hit, what biological processes they alter, and eventually how to use this information to design better therapeutic options. In this article, we discuss the literature on the effects of cannabinoids on ECS components of specific depression-like behaviors and phenotypes in rodents and then describe the findings in depressed patients. A better understanding of the effects of cannabinoids on ECS components in depression may direct future research efforts to enhance diagnosis and treatment.
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Affiliation(s)
- Uri Bright
- Department of Psychology, School of Psychological Sciences, University of Haifa, Haifa 3498838, Israel;
- The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa 3498838, Israel
| | - Irit Akirav
- Department of Psychology, School of Psychological Sciences, University of Haifa, Haifa 3498838, Israel;
- The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa 3498838, Israel
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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: 14] [Impact Index Per Article: 7.0] [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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Bornscheuer L, Lundin A, Forsell Y, Lavebratt C, Melas PA. The cannabinoid receptor-1 gene interacts with stressful life events to increase the risk for problematic alcohol use. Sci Rep 2022; 12:4963. [PMID: 35322131 PMCID: PMC8941304 DOI: 10.1038/s41598-022-08980-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
Problematic alcohol use is a major contributor to the global burden of death and disabilities, and it represents a public health concern that has grown substantially following the COVID-19 pandemic. The available treatment options remain limited and to develop better pharmacotherapies for alcohol misuse we need to identify suitable biological targets. Previous research has implicated the brain’s endocannabinoid system (ECS) in psychiatric and stress-related outcomes, including substance use and habituation to repeated stress. Moreover, genetic variants in the cannabinoid-1 receptor gene (CNR1; CB1R) have been associated with personality traits, which are in turn predictors of substance use disorders. To date, however, no human genome-wide association study has provided evidence for an involvement of the ECS in substance use outcomes. One reason for this ECS-related “missing heritability” may be unexamined gene-environment interactions. To explore this possibility, we conducted cross-sectional analyses using DNA samples and stress-exposure data from a longitudinal Swedish population-based study (N = 2,915). Specifically, we genotyped rs2023239, a functional C/T single nucleotide polymorphism in CNR1, previously reported to be associated with CNR1 binding in the brain, subjective reward following alcohol intake, and alcohol cue-elicited brain activation. Our two outcomes of interest were (i) problematic alcohol use based on the Alcohol Use Disorders Identification Test (AUDIT), and (ii) personality trait scores based on the Five Factor Model. We found no baseline association between rs2023239 and problematic alcohol use or personality traits. However, there was a clear trend for interaction between rs2023239’s risk allele (C) and stressful life events (SLEs) in both childhood and adulthood, which predicted problematic alcohol use. Although not significant, there was also some indication that the risk allele interacted with child SLEs to increase scores on neuroticism. Our study supports the notion that the ECS can affect alcohol intake behaviors by interacting with life adversities and is—to the best of our knowledge—the first to focus on the interaction between CNR1 and stressors in both childhood and adulthood in humans. Further studies are warranted to confirm these findings.
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Affiliation(s)
- Lisa Bornscheuer
- Department of Public Health Sciences, Stockholm University, 10691, Stockholm, Sweden.,Center for Molecular Medicine, L8:00, Karolinska University Hospital, 17176, Stockholm, Sweden
| | - Andreas Lundin
- Department of Global Public Health, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Yvonne Forsell
- Department of Global Public Health, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Catharina Lavebratt
- Center for Molecular Medicine, L8:00, Karolinska University Hospital, 17176, Stockholm, Sweden.,Department of Molecular Medicine and Surgery, Karolinska Institutet, 17176, Stockholm, Sweden
| | - Philippe A Melas
- Center for Molecular Medicine, L8:00, Karolinska University Hospital, 17176, Stockholm, Sweden. .,Center for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet and Stockholm Health Care Services, 11364, Stockholm, Sweden.
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Zmorzyński S, Styk W, Klinkosz W, Iskra J, Filip AA. Personality traits and polymorphisms of genes coding neurotransmitter receptors or transporters: review of single gene and genome-wide association studies. Ann Gen Psychiatry 2021; 20:7. [PMID: 33482861 PMCID: PMC7825153 DOI: 10.1186/s12991-021-00328-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 01/10/2021] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND The most popular tool used for measuring personality traits is the Five-Factor Model (FFM). It includes neuroticism, extraversion, openness, agreeableness and conscientiousness. Many studies indicated the association of genes encoding neurotransmitter receptors/transporters with personality traits. The relationship connecting polymorphic DNA sequences and FFM features has been described in the case of genes encoding receptors of cannabinoid and dopaminergic systems. Moreover, dopaminergic system receives inputs from other neurotransmitters, like GABAergic or serotoninergic systems. METHODS We searched PubMed Central (PMC), Science Direct, Scopus, Cochrane Library, Web of Science and EBSCO databases from their inception to November 19, 2020, to identify original studies, as well as peer-reviewed studies examining the FFM and its association with gene polymorphisms affecting the neurotransmitter functions in central nervous system. RESULTS Serotonin neurons modulate dopamine function. In gene encoding serotonin transporter protein, SLC6A4, was found polymorphism, which was correlated with openness to experience (in Sweden population), and high scores of neuroticism and low levels of agreeableness (in Caucasian population). The genome-wide association studies (GWASs) found an association of 5q34-q35, 3p24, 3q13 regions with higher scores of neuroticism, extraversion and agreeableness. However, the results for chromosome 3 regions are inconsistent, which was shown in our review paper. CONCLUSIONS GWASs on polymorphisms are being continued in order to determine and further understand the relationship between the changes in DNA and personality traits.
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Affiliation(s)
- Szymon Zmorzyński
- Department of Cancer Genetics With Cytogenetic Laboratory, Medical University of Lublin, Lublin, Poland
| | - Wojciech Styk
- Institute of Psychology, The John Paul II Catholic University of Lublin, Lublin, Poland.
| | - Waldemar Klinkosz
- Institute of Psychology, Cardinal Stefan Wyszynski University, Warsaw, Poland
| | - Justyna Iskra
- Institute of Psychology, The John Paul II Catholic University of Lublin, Lublin, Poland
| | - Agata Anna Filip
- Department of Cancer Genetics With Cytogenetic Laboratory, Medical University of Lublin, Lublin, Poland
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Szejko N, Fichna JP, Safranow K, Dziuba T, Żekanowski C, Janik P. Association of a Variant of CNR1 Gene Encoding Cannabinoid Receptor 1 With Gilles de la Tourette Syndrome. Front Genet 2020; 11:125. [PMID: 32194619 PMCID: PMC7065033 DOI: 10.3389/fgene.2020.00125] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 02/03/2020] [Indexed: 12/17/2022] Open
Abstract
Background Gilles de la Tourette syndrome (GTS) is a neuropsychiatric disorder of unknown etiology, although a major role of genetic factors has been established. Cannabis-based medicines may alleviate GTS-associated tics and variants of CNR1 gene encoding central cannabinoid receptor (CB1) are believed to be a risk factor for the development of some neurodevelopmental diseases. Our aim was to test the association of selected CNR1 gene variants with GTS. Material and Methods The cohort of GTS cases comprised 262 unrelated patients aged 3–53 years (mean age: 18.3 ± 9.1 years; 204 males (77.9%), 126 (48.1%) adults defined as ≥18 years). As a control group we enrolled 279 unrelated, ethnically and gender matched individuals with no diagnosed mental, neurological or general disorder, aged 13–54 years (mean age: 22.5 ± 3.0 years; 200 males, (74.1%). Both study and control groups were selected from Polish population, which is ethnically homogenous subgroup of Caucasian population. Four single nucleotide polymorphisms (SNPs) in CNR1 were selected: rs2023239, rs2180619, rs806379, and rs1049353 based on minor allele frequency in general population >15%. These variants were genotyped using a real-time quantitative polymerase chain reaction system (TaqMan SNP genotyping assay). Results We found significant association of GTS clinical phenotype with rs2023239 variant. Minor allele C and CT+CC genotypes were found significantly more often in GTS patients compared to controls (17.4 vs 11.1%, p=0.003 and 32.8 vs 20.4%, p=0.001, respectively), and the difference remained significant after correction for multiple testing. C allele of rs2023239 polymorphism of the CNR1 gene was associated with the occurrence of tics. There were no statistically significant associations for rs806379, rs1049353 or rs2180619 variants. Conclusion Our findings suggest that C allele of rs2023239 polymorphism of the CNR1 gene is a risk factor of GTS in Polish population. The variant can be potentially associated with abnormal endocannabinoid transmission, which is suspected to be one of the causes of GTS.
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Affiliation(s)
- Natalia Szejko
- Department of Neurology, Medical University of Warsaw, Warsaw, Poland.,Department of Bioethics, Medical University of Warsaw, Warsaw, Poland
| | - Jakub Piotr Fichna
- Laboratory of Neurogenetics, Department of Neurodegenerative Disorders, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - Krzysztof Safranow
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Dziuba
- Department of Neurology, Medical University of Warsaw, Warsaw, Poland
| | - Cezary Żekanowski
- Laboratory of Neurogenetics, Department of Neurodegenerative Disorders, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - Piotr Janik
- Department of Neurology, Medical University of Warsaw, Warsaw, Poland
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Peiró AM, García-Gutiérrez MS, Planelles B, Femenía T, Mingote C, Jiménez-Treviño L, Martínez-Barrondo S, García-Portilla MP, Saiz PA, Bobes J, Manzanares J. Association of cannabinoid receptor genes ( CNR1 and CNR2) polymorphisms and panic disorder. ANXIETY STRESS AND COPING 2020; 33:256-265. [PMID: 32114795 DOI: 10.1080/10615806.2020.1732358] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background and objectives: Panic disorder (PD) is an anxiety disorder characterized by recurrent and unexpected panic attacks along with sudden onset of apprehension, fear or terror. The endocannabinoid system (ECS) has a role in stress recovery, regulating anxiety. The aim of this study was to analyze potential genetic alterations in key ECS targets in patients suffering from panic disorders.Design and methods: We analyzed single nucleotide polymorphisms (SNPs) of the cannabinoid receptors (CNR1; CNR2) and the endocannabinoid hydrolytic enzyme fatty acid amide hydrolase (FAAH) genes in 164 Spanish PD patients and 320 matched controls.Results: No significant differences were observed in the SNPs of the CNR2 and FAAH genes tested. However, when analyzing genotype-by-sex interaction at A592G (rs2501431) and C315T (rs2501432) in the CNR2 gene, the presence of the G-allele in males was associated with a protective haplotype. Genotyping analysis revealed that variants in CNR1 confer vulnerability to PD, with a significantly increased risk associated with the G-allele (rs12720071) and C-allele (rs806368). This finding was consistent when analyzing genotype-by-sex interaction, where females presented a greater PD risk.Conclusions: Polymorphisms at the CNR1 gene may be a risk factor for PD contributing to sex-specific dysfunction in females.
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Affiliation(s)
- Ana M Peiró
- Clinical Pharmacology Unit and Neuropharmacology on Pain and Functional Diversity (NED), Department of Health of Alicante - General Hospital, ISABIAL, Alicante, Spain
| | - María S García-Gutiérrez
- Neuroscience Institute, Alicante, Miguel Hernández University, San Juan de Alicante, Spain.,Cooperative Networking in Health Research (RETICS-addictive disorders), Health Institute Carlos III, MICINN and FEDER, Madrid, Spain
| | | | - Teresa Femenía
- Neuroscience Institute, Alicante, Miguel Hernández University, San Juan de Alicante, Spain
| | | | - Luis Jiménez-Treviño
- Psychiatry Department, Medicine Faculty, University of Oviedo; Biomedical Research Centre in Mental Health Network (CIBERSAM); University Institute of Neuroscience of Asturias, INEUROPA; Health Service of Asturias, SESPA, Asturias, Spain
| | - Sara Martínez-Barrondo
- Psychiatry Department, Medicine Faculty, University of Oviedo; Biomedical Research Centre in Mental Health Network (CIBERSAM); University Institute of Neuroscience of Asturias, INEUROPA; Health Service of Asturias, SESPA, Asturias, Spain
| | - M Paz García-Portilla
- Psychiatry Department, Medicine Faculty, University of Oviedo; Biomedical Research Centre in Mental Health Network (CIBERSAM); University Institute of Neuroscience of Asturias, INEUROPA; Health Service of Asturias, SESPA, Asturias, Spain
| | - Pilar A Saiz
- Psychiatry Department, Medicine Faculty, University of Oviedo; Biomedical Research Centre in Mental Health Network (CIBERSAM); University Institute of Neuroscience of Asturias, INEUROPA; Health Service of Asturias, SESPA, Asturias, Spain
| | - Julio Bobes
- Psychiatry Department, Medicine Faculty, University of Oviedo; Biomedical Research Centre in Mental Health Network (CIBERSAM); University Institute of Neuroscience of Asturias, INEUROPA; Health Service of Asturias, SESPA, Asturias, Spain
| | - Jorge Manzanares
- Neuroscience Institute, Alicante, Miguel Hernández University, San Juan de Alicante, Spain.,Cooperative Networking in Health Research (RETICS-addictive disorders), Health Institute Carlos III, MICINN and FEDER, Madrid, Spain
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Kong X, Miao Q, Lu X, Zhang Z, Chen M, Zhang J, Zhai J. The association of endocannabinoid receptor genes (CNR1 and CNR2) polymorphisms with depression: A meta-analysis. Medicine (Baltimore) 2019; 98:e17403. [PMID: 31725603 PMCID: PMC6867758 DOI: 10.1097/md.0000000000017403] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Studies investigating the association between gene variants and depression susceptibility found inconsistent data. The present study aimed to clarify whether CNR1rs1049353, CNR1 AAT triplet repeat, and CNR2rs2501432 polymorphisms confer higher risk for depressive disorder.Literature from PubMed, Medline, Embase, Scopus, Cochrance Library, and Wanfang databases was searched (up to August 20, 2018). Seven case-control studies with various comorbidities were eligible. We targeted CNR single-nucleotide polymorphisms (SNPs) that have been reported by 2 or more studies to be involved in the current meta-analysis, resulting in a final list of 3 SNPs: CNR1rs1049353, CNR1 AAT triplet repeat polymorphism, and CNR2rs2501432. Odds ratios (ORs) and 95% confidence intervals (CIs) for allele and homozygote comparisons, dominant and recessive models, and triplet repeat polymorphism ((AAT)n≥5, ≥5 vs (AAT)n<5, <5 or <5, ≥5) were assessed using a random effect model as measures of association. Heterogeneity among included studies was analyzed using sensitivity test. Publication bias was also explored by Egger and rank correlation test.overall, no significant association was found between depression and CNR1rs1049353 (G vs A: OR [95% CI] = 1.09 [0.61-1.95]; GG vs AA: 1.29 [0.73-2.26]; GG vs GA+AA: 1.10 [0.57-2.10]; GG+GA vs AA: 1.25 [0.72-2.18]; and AAT triplet repeat polymorphism ((AAT)n≥5, ≥5 vs (AAT)n<5, <5 or <5, ≥5): 1.92 [0.59-6.27]. In contrast, a significant association between CNR2rs2501432 and depression was detected, and the ORs and 95% CIs are as follows: allele contrast (OR = 1.39, 95% CI = [1.12-1.72], P = .003); homozygous (OR = 2.19, 95% CI = [1.34-3.59], P = .002); dominant (OR = 1.93,95% CI = [1.23-3.04], P = .005); and recessive (OR = 1.41, 95% CI = [1.04-1.92], P = .03).This meta-analysis revealed that CNR1rs1049353 or AAT triplet repeat polymorphism had no association with susceptibility to depression, while CNR2rs2501432 polymorphism was a remarkable mark for depression patients.
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Affiliation(s)
- Xiangjuan Kong
- Department of Clinical Psychology, Jining Psychiatric Hospital
| | - Qingshan Miao
- Department of Clinical Psychology, Jining Psychiatric Hospital
| | - Xiaozi Lu
- Department of Clinical Psychology, Qindao Mental Health Center
| | - Zeng Zhang
- Department of Clinical Psychology, Jining Psychiatric Hospital
| | - Min Chen
- School of Mental Health, Jining Medical University, Shandong, China
| | - Jinxiang Zhang
- Department of Clinical Psychology, Jining Psychiatric Hospital
| | - Jinguo Zhai
- School of Mental Health, Jining Medical University, Shandong, China
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Syed Haneef SA, Ranganathan S. Structural bioinformatics analysis of variants on GPCR function. Curr Opin Struct Biol 2019; 55:161-177. [PMID: 31174013 DOI: 10.1016/j.sbi.2019.04.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/20/2019] [Accepted: 04/22/2019] [Indexed: 10/26/2022]
Abstract
G protein-coupled receptors (GPCRs) are key membrane-embedded receptor proteins, with critical roles in cellular signal transduction. In the era of precision medicine, understanding the role of natural variants on GPCR function is critical, especially from a pharmacogenomics viewpoint. Studies involved in mapping variants to GPCR structures are briefly reviewed here. The endocannabinoid system involving the central nervous system (CNS), the human cannabinoid receptor 1 (CB1), is an important drug target and its variability has implications for disease susceptibility and altered drug and pain response. We have carried out a computational study to map deleterious non-synonymous single nucleotide polymorphisms (nsSNPs) to CB1. CB1 mutations were computationally evaluated from neutral to deleterious, and the top twelve deleterious mutations, with structural information, were found to be either close to the ligand binding region or the G-protein binding site. We have mapped these to the active and inactive CB1 X-ray crystallographic structures to correlate variants with available phenotypic information. We have also carried out molecular dynamics simulations to functionally characterize four selected mutants.
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Affiliation(s)
- Syed Askar Syed Haneef
- Department of Molecular Sciences, Faculty of Science and Engineering, Macquarie University, NSW 2109, Australia
| | - Shoba Ranganathan
- Department of Molecular Sciences, Faculty of Science and Engineering, Macquarie University, NSW 2109, Australia.
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