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Toader C, Eva L, Bratu BG, Covache-Busuioc RA, Costin HP, Dumitrascu DI, Glavan LA, Corlatescu AD, Ciurea AV. Intracranial Aneurysms and Genetics: An Extensive Overview of Genomic Variations, Underlying Molecular Dynamics, Inflammatory Indicators, and Forward-Looking Insights. Brain Sci 2023; 13:1454. [PMID: 37891822 PMCID: PMC10605587 DOI: 10.3390/brainsci13101454] [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: 08/15/2023] [Revised: 09/22/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
This review initiates by outlining the clinical relevance of IA, underlining the pressing need to comprehend its foundational elements. We delve into the assorted risk factors tied to IA, spotlighting both environmental and genetic influences. Additionally, we illuminate distinct genetic syndromes linked to a pronounced prevalence of intracranial aneurysms, underscoring the pivotal nature of genetics in this ailment's susceptibility. A detailed scrutiny of genome-wide association studies allows us to identify key genomic changes and locations associated with IA risk. We further detail the molecular and physiopathological dynamics instrumental in IA's evolution and escalation, with a focus on inflammation's role in affecting the vascular landscape. Wrapping up, we offer a glimpse into upcoming research directions and the promising horizons of personalized therapeutic strategies in IA intervention, emphasizing the central role of genetic insights. This thorough review solidifies genetics' cardinal role in IA, positioning it as a cornerstone resource for professionals in the realms of neurology and genomics.
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Affiliation(s)
- Corneliu Toader
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
- Department of Vascular Neurosurgery, National Institute of Neurology and Neurovascular Diseases, 077160 Bucharest, Romania
| | - Lucian Eva
- Department of Neurosurgery, Dunarea de Jos University, 800010 Galati, Romania
- Department of Neurosurgery, Clinical Emergency Hospital “Prof. Dr. Nicolae Oblu”, 700309 Iasi, Romania
| | - Bogdan-Gabriel Bratu
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
| | - Razvan-Adrian Covache-Busuioc
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
| | - Horia Petre Costin
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
| | - David-Ioan Dumitrascu
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
| | - Luca-Andrei Glavan
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
| | - Antonio Daniel Corlatescu
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
| | - Alexandru Vlad Ciurea
- Department of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (C.T.); (R.-A.C.-B.); (H.P.C.); (D.-I.D.); (L.-A.G.); (A.D.C.); (A.V.C.)
- Neurosurgery Department, Sanador Clinical Hospital, 010991 Bucharest, Romania
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Strekalova T, Moskvin O, Jain AY, Gorbunov N, Gorlova A, Sadovnik D, Umriukhin A, Cespuglio R, Yu WS, Tse ACK, Kalueff AV, Lesch KP, Lim LW. Molecular signature of excessive female aggression: study of stressed mice with genetic inactivation of neuronal serotonin synthesis. J Neural Transm (Vienna) 2023; 130:1113-1132. [PMID: 37542675 PMCID: PMC10460733 DOI: 10.1007/s00702-023-02677-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/21/2023] [Indexed: 08/07/2023]
Abstract
Aggression is a complex social behavior, critically involving brain serotonin (5-HT) function. The neurobiology of female aggression remains elusive, while the incidence of its manifestations has been increasing. Yet, animal models of female aggression are scarce. We previously proposed a paradigm of female aggression in the context of gene x environment interaction where mice with partial genetic inactivation of tryptophan hydroxylase-2 (Tph2+/- mice), a key enzyme of neuronal 5-HT synthesis, are subjected to predation stress resulting in pathological aggression. Using deep sequencing and the EBSeq method, we studied the transcriptomic signature of excessive aggression in the prefrontal cortex of female Tph2+/- mice subjected to rat exposure stress and food deprivation. Challenged mutants, but not other groups, displayed marked aggressive behaviors. We found 26 genes with altered expression in the opposite direction between stressed groups of both Tph2 genotypes. We identified several molecular markers, including Dgkh, Arfgef3, Kcnh7, Grin2a, Tenm1 and Epha6, implicated in neurodevelopmental deficits and psychiatric conditions featuring impaired cognition and emotional dysregulation. Moreover, while 17 regulons, including several relevant to neural plasticity and function, were significantly altered in stressed mutants, no alteration in regulons was detected in stressed wildtype mice. An interplay of the uncovered pathways likely mediates partial Tph2 inactivation in interaction with severe stress experience, thus resulting in excessive female aggression.
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Affiliation(s)
- Tatyana Strekalova
- Division of Molecular Psychiatry, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Oleg Moskvin
- Primate Research Center, University of Wisconsin-Madison, Madison, WI, USA
- Singapore Medical School, BluMaiden Biosciences, Singapore, Singapore
| | - Aayushi Y Jain
- Department of Biomolecular Chemistry, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Nikita Gorbunov
- Division of Molecular Psychiatry, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Anna Gorlova
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Daria Sadovnik
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Aleksei Umriukhin
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Raymond Cespuglio
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
- Neuroscience Research Center of Lyon, Beliv Plateau, Claude-Bernard Lyon-1 University, Bron, France
| | - Wing Shan Yu
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China
| | - Anna Chung Kwan Tse
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China
| | - Allan V Kalueff
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - Klaus-Peter Lesch
- Division of Molecular Psychiatry, Center of Mental Health, University Hospital of Würzburg, Würzburg, Germany.
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands.
| | - Lee Wei Lim
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China.
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3
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Focardi M, Gualco B, Pinchi V, Gian-Aristide N, Rensi R, Pelo E, Carboni I, Ricci U. Genetic analysis of suicide: a sample study in Tuscany (Central Italy). Forensic Sci Res 2022; 7:790-797. [PMID: 36817247 PMCID: PMC9930793 DOI: 10.1080/20961790.2020.1835156] [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: 01/11/2022] [Accepted: 02/14/2022] [Indexed: 10/18/2022] Open
Abstract
Many studies have examined the genetic contribution to suicide. However, data on suicide in the Italian population are scarce. We therefore aimed to address this gap by investigating a cohort of 111 Italians for whom a verdict of suicide had been declared in court in Florence, Italy between 2007 and 2017. This cohort included 86 men and 25 women. DNA samples were obtained from tissues or blood, and 22 genes from multiple neurobiological pathways previously shown to be associated with the pathogenesis of suicide were analysed. Next-generation sequencing was used to compare these gene sequences with those from a large, normal population. In this study, we identified 19 gene variants that were present at significantly lower frequencies in our Italian cohort than in the general population. In addition, four missense mutations were identified in four different genes: Monoamine Oxidase A (MAOA), 5-Hydroxytryptamine Receptor 2 A (HTR2A), Sodium Voltage-Gated Channel Alpha Subunit 8 (SCN8A), and Nitric Oxide Synthase 3 (NOS3). Our study identified several potential genetic links with suicide in a cohort of Italians and supports a relationship between specific genetic variants and suicidal behaviour in this population.
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Affiliation(s)
- Martina Focardi
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Barbara Gualco
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Vilma Pinchi
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | | | - Regina Rensi
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Elisabetta Pelo
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Ilaria Carboni
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Ugo Ricci
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
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4
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Sparrow-Downes VM, Trincao-Batra S, Cloutier P, Helleman AR, Salamatmanesh M, Gardner W, Baksh A, Kapur R, Sheridan N, Suntharalingam S, Currie L, Carrie LD, Hamilton A, Pajer K. Peripheral and neural correlates of self-harm in children and adolescents: a scoping review. BMC Psychiatry 2022; 22:318. [PMID: 35509053 PMCID: PMC9066835 DOI: 10.1186/s12888-022-03724-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/17/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Self-harm in children and adolescents is difficult to treat. Peripheral and neural correlates of self-harm could lead to biomarkers to guide precision care. We therefore conducted a scoping review of research on peripheral and neural correlates of self-harm in this age group. METHODS PubMed and Embase databases were searched from January 1980-May 2020, seeking English language peer-reviewed studies about peripheral and neural correlates of self-harm, defined as completed suicide, suicide attempts, suicidal ideation, or non-suicidal self-injury (NSSI) in subjects, birth to 19 years of age. Studies were excluded if only investigating self-harm in persons with intellectual or developmental disability syndromes. A blinded multi-stage assessment process by pairs of co-authors selected final studies for review. Risk of bias estimates were done on final studies. RESULTS We screened 5537 unduplicated abstracts, leading to the identification of 79 eligible studies in 76 papers. Of these, 48 investigated peripheral correlates and 31 examined neural correlates. Suicidality was the focus in 2/3 of the studies, with NSSI and any type of self-harm (subjects recruited with suicidality, NSSI, or both) investigated in the remaining studies. All studies used observational designs (primarily case-control), most used convenience samples of adolescent patients which were predominately female and half of which were recruited based on a disorder. Over a quarter of the specific correlates were investigated with only one study. Inter-study agreement on findings from specific correlates with more than one study was often low. Estimates of Good for risk of bias were assigned to 37% of the studies and the majority were rated as Fair. CONCLUSIONS Research on peripheral and neural correlates of self-harm is not sufficiently mature to identify potential biomarkers. Conflicting findings were reported for many of the correlates studied. Methodological problems may have produced biased findings and results are mainly generalizable to patients and girls. We provide recommendations to improve future peripheral and neural correlate research in children and adolescents, ages 3-19 years, with self-harm.
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Affiliation(s)
- Victoria M. Sparrow-Downes
- grid.25055.370000 0000 9130 6822Department of Family Medicine Residency Program, Memorial University of Newfoundland, NL St. John’s, Canada
| | - Sara Trincao-Batra
- grid.25055.370000 0000 9130 6822Department of Pediatrics Residency Program, Memorial University of Newfoundland, NL St. John’s, Canada
| | - Paula Cloutier
- grid.414148.c0000 0000 9402 6172CHEO Research Institute, Ottawa, ON Canada
| | - Amanda R. Helleman
- grid.414148.c0000 0000 9402 6172CHEO Research Institute, Ottawa, ON Canada
| | - Mina Salamatmanesh
- grid.414148.c0000 0000 9402 6172CHEO Research Institute, Ottawa, ON Canada
| | - William Gardner
- grid.414148.c0000 0000 9402 6172CHEO Research Institute, Ottawa, ON Canada ,grid.28046.380000 0001 2182 2255Department of Psychiatry, University of Ottawa, ON Ottawa, Canada ,grid.28046.380000 0001 2182 2255School of Epidemiology and Public Health, University of Ottawa, ON Ottawa, Canada
| | - Anton Baksh
- grid.28046.380000 0001 2182 2255Department of Psychiatry, University of Ottawa, ON Ottawa, Canada
| | - Rishi Kapur
- grid.28046.380000 0001 2182 2255Department of Psychiatry, University of Ottawa, ON Ottawa, Canada
| | - Nicole Sheridan
- grid.414148.c0000 0000 9402 6172CHEO Research Institute, Ottawa, ON Canada
| | - Sinthuja Suntharalingam
- grid.28046.380000 0001 2182 2255Department of Psychiatry, University of Ottawa, ON Ottawa, Canada
| | - Lisa Currie
- grid.28046.380000 0001 2182 2255School of Epidemiology and Public Health, University of Ottawa, ON Ottawa, Canada
| | - Liam D. Carrie
- Research Fellow, Harbourfront Health Group, Grand Falls, NB Canada
| | - Arthur Hamilton
- grid.34428.390000 0004 1936 893XPhD Program, Department of Cognitive Science, Carleton University, Ottawa, ON Canada
| | - Kathleen Pajer
- CHEO Research Institute, Ottawa, ON, Canada. .,Department of Psychiatry, University of Ottawa, ON, Ottawa, Canada.
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5
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Guo Y, Zhao J, Xu Q, Gao S, Liu M, Zhang C, Schinckel AP, Zhou B. Identification of Functional Single Nucleotide Polymorphisms in the Porcine SLC6A4 Gene Associated with Aggressive Behavior in Weaned Pigs after Mixing. J Anim Sci 2022; 100:6568350. [PMID: 35419600 PMCID: PMC9115910 DOI: 10.1093/jas/skac131] [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: 12/23/2021] [Accepted: 04/08/2022] [Indexed: 11/12/2022] Open
Abstract
Variation in genes of the serotonergic system influence aggressive behavior by affecting serotonin levels in the central and cortical nervous system. SLC6A4 (serotonin transporter) is a master regulator of 5-HT signaling and involved in the regulation of aggressive behavior in humans and rodents. To identify potential functional single nucleotide polymorphisms (SNPs) for the porcine SLC6A4 gene associated with aggressive behavior, a total of 500 pigs (268 barrows and 232 gilts) were selected and mixed in 51 pens. Their behavior was recorded and observed for 72 h after mixing. Based on a composite aggressive score (CAS), the most aggressive and the least aggressive pigs within each pen were selected separately (a total of 204 pigs). Ear tissue was sampled to extract genomic DNA. Eight SNPs in the 5'-flanking region, coding region, and 3'-untranslated region (3'-UTR) of SLC6A4 were genotyped, of which 6 SNPs had significant differences (P < 0.05) in allele frequency between the most aggressive and least aggressive pigs. Luciferase activity was greater in plasmids of genotype GG than plasmids of genotype CC of rs345058216 (P < 0.01). Computational analysis nominated MAZ as putative transcription factor (TF) with higher probability to bind the SLC6A4 promoter at the SNP (rs345058216) site. Also, we demonstrated that MAZ overexpression modulates SLC6A4 promoter activity in allele-specific manner with an in vitro assay. In addition, we demonstrated that SLC6A4 was a direct target of miR-671-5p. The dual luciferase reporter gene assay and cell transfection were performed to examine the role of miR-671-5p in regulating SLC6A4 expression. The luciferase assays revealed that the SNP rs332335871 affects regulation of miR-671-5p in SLC6A4 expression. After overexpression of miR-671-5p in porcine primary neural cells, the SLC6A4 mRNA levels can be significantly reduced. In conclusion, we here found that miR-671-5p and MAZ mediated porcine SLC6A4 expression level, which provides the possible molecular mechanism of aggressive behavior.
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Affiliation(s)
- Yanli Guo
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Jing Zhao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Qinglei Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Siyuan Gao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Mingzheng Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Chunlei Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Allan P Schinckel
- Department of Animal Sciences, Purdue University, West Lafayette, USA
| | - Bo Zhou
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
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Silva EDO, de Carvalho AHB, Paiva GM, Jorge CA, Koltermann G, de Salles JF, Haase VG, Carvalho MRS. Do boys with MAOA_LPR*2R allele present cognitive and learning impairments? Dement Neuropsychol 2022; 16:162-170. [PMID: 35720651 PMCID: PMC9173787 DOI: 10.1590/1980-5764-dn-2021-0071] [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: 07/14/2021] [Revised: 10/04/2021] [Accepted: 10/09/2021] [Indexed: 12/02/2022] Open
Abstract
Monoamine oxidase A (MAOA) polymorphisms have been associated with antisocial disorders. Less attention has been paid to the cognitive functioning of individuals with different MAOA alleles. No study has described the cognitive phenotype associated with the less frequent, low enzyme activity allele, MAOA_LPR*2R.
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Affiliation(s)
- Emanuelle de Oliveira Silva
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-graduação em Neurociências, Belo Horizonte MG, Brazil
| | - André Henrique Barbosa de Carvalho
- Universidade Federal de Minas Gerais, Ecologia e Evolução, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Genética, Departamento de Genética, Belo Horizonte MG, Brazil
| | - Giulia Moreira Paiva
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-graduação em Neurociências, Belo Horizonte MG, Brazil
| | - Carolina Andrade Jorge
- Universidade Federal de Minas Gerais, Ecologia e Evolução, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Genética, Departamento de Genética, Belo Horizonte MG, Brazil
| | - Gabriella Koltermann
- Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Psicologia, Porto Alegre RS, Brazil
| | - Jerusa Fumagalli de Salles
- Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Psicologia, Porto Alegre RS, Brazil
| | - Vitor Geraldi Haase
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-graduação em Neurociências, Belo Horizonte MG, Brazil.,Universidade Federal de Minas Gerais, Departamento de Psicologia, Faculdade de Filosofia e Ciências Humanas, Belo Horizonte MG, Brazil.,Universidade Federal de Minas Gerais, Faculdade de Filosofia e Ciências Humanas,Programa de Pós-Graduação em Psicologia: Cognição e Comportamento, Departamento de Psicologia, Belo Horizonte MG, Brazil.,Instituto Nacional de Ciência e Tecnologia sobre Cognição, Comportamento e Ensino, São Carlos SP, Brazil
| | - Maria Raquel Santos Carvalho
- Universidade Federal de Minas Gerais, Ecologia e Evolução, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Genética, Departamento de Genética, Belo Horizonte MG, Brazil.,Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Genética, Ecologia e Evolução, Belo Horizonte MG, Brazil
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Svirin E, Veniaminova E, Costa-Nunes JP, Gorlova A, Umriukhin A, Kalueff AV, Proshin A, Anthony DC, Nedorubov A, Tse ACK, Walitza S, Lim LW, Lesch KP, Strekalova T. Predation Stress Causes Excessive Aggression in Female Mice with Partial Genetic Inactivation of Tryptophan Hydroxylase-2: Evidence for Altered Myelination-Related Processes. Cells 2022; 11:1036. [PMID: 35326487 PMCID: PMC8947002 DOI: 10.3390/cells11061036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/11/2022] [Accepted: 03/15/2022] [Indexed: 01/27/2023] Open
Abstract
The interaction between brain serotonin (5-HT) deficiency and environmental adversity may predispose females to excessive aggression. Specifically, complete inactivation of the gene encoding tryptophan hydroxylase-2 (Tph2) results in the absence of neuronal 5-HT synthesis and excessive aggressiveness in both male and female null mutant (Tph2-/-) mice. In heterozygous male mice (Tph2+/-), there is a moderate reduction in brain 5-HT levels, and when they are exposed to stress, they exhibit increased aggression. Here, we exposed female Tph2+/- mice to a five-day rat predation stress paradigm and assessed their emotionality and social interaction/aggression-like behaviors. Tph2+/- females exhibited excessive aggression and increased dominant behavior. Stressed mutants displayed altered gene expression of the 5-HT receptors Htr1a and Htr2a, glycogen synthase kinase-3 β (GSK-3β), and c-fos as well as myelination-related transcripts in the prefrontal cortex: myelin basic protein (Mbp), proteolipid protein 1 (Plp1), myelin-associated glycoprotein (Mag), and myelin oligodendrocyte glycoprotein (Mog). The expression of the plasticity markers synaptophysin (Syp) and cAMP response element binding protein (Creb), but not AMPA receptor subunit A2 (GluA2), were affected by genotype. Moreover, in a separate experiment, naïve female Tph2+/- mice showed signs of enhanced stress resilience in the modified swim test with repeated swimming sessions. Taken together, the combination of a moderate reduction in brain 5-HT with environmental challenges results in behavioral changes in female mice that resemble the aggression-related behavior and resilience seen in stressed male mutants; additionally, the combination is comparable to the phenotype of null mutants lacking neuronal 5-HT. Changes in myelination-associated processes are suspected to underpin the molecular mechanisms leading to aggressive behavior.
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Affiliation(s)
- Evgeniy Svirin
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands; (E.S.); (K.-P.L.)
- Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, 97080 Würzburg, Germany
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315 Moscow, Russia
| | - Ekaterina Veniaminova
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
| | - João Pedro Costa-Nunes
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
- Institute of Molecular Medicine, New University of Lisbon, 1649-028 Lisbon, Portugal
| | - Anna Gorlova
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
| | - Aleksei Umriukhin
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
| | - Allan V. Kalueff
- Neuroscience Program, Sirius University, 354340 Sochi, Russia;
- Moscow Institute of Physics and Technology, School of Biological and Medical Physics, 141701 Dolgoprudny, Russia
- Institute of Natural Sciences, Ural Federal University, 620002 Yekaterinburg, Russia
| | - Andrey Proshin
- P.K. Anokhin Research Institute of Normal Physiology, 125315 Moscow, Russia;
| | - Daniel C. Anthony
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
- Department of Pharmacology, Oxford University, Oxford OX1 3QT, UK
| | - Andrey Nedorubov
- Institute of Translational Medicine and Biotechnology, Sechenov University, 119991 Moscow, Russia;
| | - Anna Chung Kwan Tse
- Li Ka Shing Faculty of Medicine, School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China;
| | - Susanne Walitza
- Department for Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, 8032 Zurich, Switzerland;
| | - Lee Wei Lim
- Li Ka Shing Faculty of Medicine, School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China;
| | - Klaus-Peter Lesch
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands; (E.S.); (K.-P.L.)
- Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, 97080 Würzburg, Germany
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
| | - Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands; (E.S.); (K.-P.L.)
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315 Moscow, Russia
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov University, 119991 Moscow, Russia; (E.V.); (J.P.C.-N.); (A.G.); (A.U.); (D.C.A.)
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Soslau G. Cardiovascular serotonergic system: Evolution, receptors, transporter, and function. JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2021; 337:115-127. [PMID: 34662506 DOI: 10.1002/jez.2554] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/01/2021] [Accepted: 10/07/2021] [Indexed: 01/22/2023]
Abstract
The serotonergic system, serotonin (5HT), serotonin transporter (SERT), and serotonin receptors (5HT-x), is an evolutionarily ancient system that has clear physiological advantages to all life forms from bacteria to humans. This review focuses on the role of platelet/plasma serotonin and the cardiovascular system with minor references to its significant neurotransmitter function. Platelets transport and store virtually all plasma serotonin in dense granules. Stored serotonin is released from activated platelets and can bind to serotonin receptors on platelets and cellular components of the vascular wall to augment aggregation and induce vasoconstriction or vasodilation. The vascular endothelium is critical to the maintenance of cardiovascular homeostasis. While there are numerous ligands, neurological components, and baroreceptors that effect vascular tone it is proposed that serotonin and nitric oxide (an endothelium relaxing factor) are major players in the regulation of systemic blood pressure. Signals not fully defined, to date, that direct serotonin binding to one of the 15 identified 5HT receptors versus the transporter, and the role platelet/plasma serotonin plays in regulating hypertension within the cardiovascular system remain important issues to better understand many diseases and to develop new drugs. Also, expanded research of these pathways in lower life-forms may serve as important model systems to further our understanding of the evolution and mechanisms of action of serotonin.
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Affiliation(s)
- Gerald Soslau
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
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The Modulatory Role of Serotonin on Human Impulsive Aggression. Biol Psychiatry 2021; 90:447-457. [PMID: 34266672 DOI: 10.1016/j.biopsych.2021.05.016] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/29/2021] [Accepted: 05/16/2021] [Indexed: 12/15/2022]
Abstract
The hypothesis of chronically low brain serotonin levels as pathophysiologically linked to impulsive aggression has been around for several decades. Whereas the theory was initially based on indirect methods to probe serotonin function, our understanding of the neural mechanisms involved in impulsive aggression has progressed with recent advances in neuroimaging. The review integrates evidence based on data from several neuroimaging domains in humans. In vivo molecular neuroimaging findings demonstrate associations between impulsive aggression and high serotonin 1B and serotonin 4 receptor binding, high serotonin transporter levels, and low monoamine oxidase A levels, suggesting that low interstitial serotonin levels are a neurobiological risk factor for impulsive aggressive behavior. Imaging genetics suggests that serotonergic-related genetic polymorphisms associate with antisocial behavior, and some evidence indicates that the low-expressing monoamine oxidase A genotype specifically predisposes to impulsive aggression, which may be mediated by effects on corticolimbic function. Interventions that (presumably) alter serotonin levels have effects on brain activity within brain regions involved in impulsive aggression, notably the amygdala, dorsal striatum, anterior cingulate, insula, and prefrontal cortex. Based on these findings, we propose a model for the modulatory role of serotonin in impulsive aggression. Future studies should ensure that clinical features unique for impulsive aggression are appropriately assessed, and we propose investigations of knowledge gaps that can help confirm, refute, or modify our proposed model of impulsive aggression.
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Marshall JN, Lopez AI, Pfaff AL, Koks S, Quinn JP, Bubb VJ. Variable number tandem repeats - Their emerging role in sickness and health. Exp Biol Med (Maywood) 2021; 246:1368-1376. [PMID: 33794697 PMCID: PMC8239992 DOI: 10.1177/15353702211003511] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Understanding the mechanisms regulating tissue specific and stimulus inducible
regulation is at the heart of understanding human biology and how this
translates to wellbeing, the ageing process, and disease progression.
Polymorphic DNA variation is superimposed as an extra layer of complexity in
such processes which underpin our individuality and are the focus of
personalized medicine. This review focuses on the role and action of repetitive
DNA, specifically variable number tandem repeats and
SINE-VNTR-Alu domains, highlighting their role in
modification of gene structure and gene expression in addition to their
polymorphic nature being a genetic modifier of disease risk and progression.
Although the literature focuses on their role in disease, it illustrates their
potential to be major contributors to normal physiological function. To date,
these elements have been under-reported in genomic analysis due to the
difficulties in their characterization with short read DNA sequencing methods.
However, recent advances in long read sequencing methods should resolve these
problems allowing for a greater understanding of their contribution to a host of
genomic and functional mechanisms underlying physiology and disease.
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Affiliation(s)
- Jack Ng Marshall
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 3BX, UK
| | - Ana Illera Lopez
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 3BX, UK
| | - Abigail L Pfaff
- Perron Institute for Neurological and Translational Science, Perth, WA 6009, Australia.,Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA 6150, Australia
| | - Sulev Koks
- Perron Institute for Neurological and Translational Science, Perth, WA 6009, Australia.,Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA 6150, Australia
| | - John P Quinn
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 3BX, UK
| | - Vivien J Bubb
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 3BX, UK
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Yang P, Yang M, Li P, Cao D, Gong D, Lv J, Pu L, Huang S, Liang Y. A Meta-Analysis of 5-Hydroxytryptamine Receptor 1B Polymorphisms With Risk of Major Depressive Disorder and Suicidal Behavior. Front Psychiatry 2021; 12:696655. [PMID: 34322042 PMCID: PMC8311000 DOI: 10.3389/fpsyt.2021.696655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 06/17/2021] [Indexed: 11/17/2022] Open
Abstract
Purpose: Previous association studies have investigated whether genetic polymorphisms in HTR1B influenced individuals' susceptibility to major depressive disorder (MDD), anti-depressant response (ADR) and suicidal behavior. However, equivocal evidence was obtained. In this meta-analysis, we aimed to examine the association of HTR1B polymorphisms with risk of MDD, ADR and suicidal behavior. Materials and Methods: Studies evaluating the association between HTR1B polymorphisms and risk of MDD, ADR and suicidal behavior were searched in Pubmed, Ovid Medline, web of science and China National Knowledge Infrastructure databases. Summary odds ratios (ORs), 95 % confidence intervals (CIs) and p-values were calculated using a fixed or random effects model. Results: Meta-analysis findings revealed a significantly increased risk of MDD with rs6296 GC and GC/CC genotypes (GC vs. GG: OR = 1.26, 95% CI, 1.07-1.48; GC/CC vs. GG: OR = 1.22, 95% CI, 1.04-1.43, respectively). Moreover, rs6298 CT genotype was significantly associated with an increased risk of suicidal behavior (CT vs. CC: OR = 1.48, 95% CI, 1.16-1.88). However, both rs6296 and rs130058 were not significant risk factors for lethal suicidal behavior. Conclusion: This meta-analysis identified that rs6296 and rs6298 in HTR1B may be significantly related to the risk of MDD and lethality of suicide attempts, respectively. Further studies are required to assess the markers in larger cohorts.
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Affiliation(s)
- Pingliang Yang
- Department of Anesthesiology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Mengchang Yang
- Department of Anesthesiology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, China
| | - Peng Li
- Department of Anesthesiology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, China
| | - Dejun Cao
- Department of Anesthesia, Chengdu Second People's Hospital, Chengdu, China
| | - Daoyin Gong
- Department of Pathology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiahua Lv
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
| | - Linmei Pu
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
| | - Sizhou Huang
- Development and Regeneration Key Laboratory of Sichuan Province, Department of Anatomy and Histology and Embryology, Chengdu Medical College, Chengdu, China
| | - Yundan Liang
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
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Latorre E, Mesonero JE, Harries LW. Alternative splicing in serotonergic system: Implications in neuropsychiatric disorders. J Psychopharmacol 2019; 33:1352-1363. [PMID: 31210090 DOI: 10.1177/0269881119856546] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND The serotonergic system is a key component of physiological brain function and is essential for proper neurological activity. Numerous neuropsychiatric disorders are associated with deregulation of the serotonergic system. Accordingly, many pharmacological treatments are focused on modulation of this system. While providing a promising line of therapeutic moderation, these approaches may be complicated due to the presence of alternative splicing events for key genes in this pathway. Alternative splicing is a co-transcriptional process by which different mRNA transcripts can be produced from the same gene. These different isoforms may have diverse activities and functions, and their relative balance is often critical for the maintenance of homeostasis. Alternative splicing greatly increases the production of proteins, augmenting cell plasticity, and provides an important control point for regulation of gene expression. AIM The objective of this narrative review is to discuss the potential impact of alternative splicing of different components of the serotonergic system and speculate on their involvement in several neuropsychiatric disorders. CONCLUSIONS The specific role of each isoform in disease and their relative activities in the signalling pathways involved are yet to be determined. We need to gain a better understanding of the basis of alternative isoforms of the serotonergic system in order to fully understand their impact and be able to develop new effective pharmacological isoform-specific targets.
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Affiliation(s)
- Eva Latorre
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
- Instituto Agroalimentario de Aragón - IA2 (Universidad de Zaragoza - CITA), Zaragoza, Spain
| | - Jose Emilio Mesonero
- Instituto Agroalimentario de Aragón - IA2 (Universidad de Zaragoza - CITA), Zaragoza, Spain
- Departamento Farmacología y Fisiología, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Universidad de Zaragoza, Zaragoza, Spain
| | - Lorna W Harries
- Institute of Biomedical and Clinical Sciences, University of Exeter Medical School, Exeter, UK
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