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Hirakawa H, Terao T. The genetic association between bipolar disorder and dementia: a qualitative review. Front Psychiatry 2024; 15:1414776. [PMID: 39228919 PMCID: PMC11368786 DOI: 10.3389/fpsyt.2024.1414776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 08/05/2024] [Indexed: 09/05/2024] Open
Abstract
Bipolar disorder is a chronic disorder characterized by fluctuations in mood state and energy and recurrent episodes of mania/hypomania and depression. Bipolar disorder may be regarded as a neuro-progressive disorder in which repeated mood episodes may lead to cognitive decline and dementia development. In the current review, we employed genome-wide association studies to comprehensively investigate the genetic variants associated with bipolar disorder and dementia. Thirty-nine published manuscripts were identified: 20 on bipolar disorder and 19 on dementia. The results showed that the genes CACNA1C, GABBR2, SCN2A, CTSH, MSRA, and SH3PXD2A were overlapping between patients with bipolar disorder and dementia. In conclusion, the genes CACNA1C, GABBR2, SCN2A, CTSH, MSRA, and SH3PXD2A may be associated with the neuro-progression of bipolar disorder to dementia. Further genetic studies are needed to comprehensively clarify the role of genes in cognitive decline and the development of dementia in patients with bipolar disorder.
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Affiliation(s)
- Hirofumi Hirakawa
- Department of Neuropsychiatry, Oita University Faculty of Medicine, Yufu, Oita, Japan
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2
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Kong L, Chen Y, Shen Y, Zhang D, Wei C, Lai J, Hu S. Progress and Implications from Genetic Studies of Bipolar Disorder. Neurosci Bull 2024; 40:1160-1172. [PMID: 38206551 PMCID: PMC11306703 DOI: 10.1007/s12264-023-01169-9] [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: 09/09/2023] [Accepted: 10/05/2023] [Indexed: 01/12/2024] Open
Abstract
With the advancements in gene sequencing technologies, including genome-wide association studies, polygenetic risk scores, and high-throughput sequencing, there has been a tremendous advantage in mapping a detailed blueprint for the genetic model of bipolar disorder (BD). To date, intriguing genetic clues have been identified to explain the development of BD, as well as the genetic association that might be applied for the development of susceptibility prediction and pharmacogenetic intervention. Risk genes of BD, such as CACNA1C, ANK3, TRANK1, and CLOCK, have been found to be involved in various pathophysiological processes correlated with BD. Although the specific roles of these genes have yet to be determined, genetic research on BD will help improve the prevention, therapeutics, and prognosis in clinical practice. The latest preclinical and clinical studies, and reviews of the genetics of BD, are analyzed in this review, aiming to summarize the progress in this intriguing field and to provide perspectives for individualized, precise, and effective clinical practice.
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Affiliation(s)
- Lingzhuo Kong
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yiqing Chen
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yuting Shen
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Danhua Zhang
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Chen Wei
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Jianbo Lai
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
- The Key Laboratory of Mental Disorder Management in Zhejiang Province, Hangzhou, 310003, China.
- Brain Research Institute of Zhejiang University, Hangzhou, 310003, China.
- Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, 310003, China.
- Department of Neurobiology, NHC and CAMS Key Laboratory of Medical Neurobiology, School of Brain Science and Brian Medicine, and MOE Frontier Science Center for Brain Science and Brain-machine Integration, Zhejiang University School of Medicine, Hangzhou, 310003, China.
| | - Shaohua Hu
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
- The Key Laboratory of Mental Disorder Management in Zhejiang Province, Hangzhou, 310003, China.
- Brain Research Institute of Zhejiang University, Hangzhou, 310003, China.
- Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou, 310003, China.
- Department of Neurobiology, NHC and CAMS Key Laboratory of Medical Neurobiology, School of Brain Science and Brian Medicine, and MOE Frontier Science Center for Brain Science and Brain-machine Integration, Zhejiang University School of Medicine, Hangzhou, 310003, China.
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3
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Machado-Vieira R, Courtes AC, Zarate CA, Henter ID, Manji HK. Non-canonical pathways in the pathophysiology and therapeutics of bipolar disorder. Front Neurosci 2023; 17:1228455. [PMID: 37592949 PMCID: PMC10427509 DOI: 10.3389/fnins.2023.1228455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/17/2023] [Indexed: 08/19/2023] Open
Abstract
Bipolar disorder (BD) is characterized by extreme mood swings ranging from manic/hypomanic to depressive episodes. The severity, duration, and frequency of these episodes can vary widely between individuals, significantly impacting quality of life. Individuals with BD spend almost half their lives experiencing mood symptoms, especially depression, as well as associated clinical dimensions such as anhedonia, fatigue, suicidality, anxiety, and neurovegetative symptoms. Persistent mood symptoms have been associated with premature mortality, accelerated aging, and elevated prevalence of treatment-resistant depression. Recent efforts have expanded our understanding of the neurobiology of BD and the downstream targets that may help track clinical outcomes and drug development. However, as a polygenic disorder, the neurobiology of BD is complex and involves biological changes in several organelles and downstream targets (pre-, post-, and extra-synaptic), including mitochondrial dysfunction, oxidative stress, altered monoaminergic and glutamatergic systems, lower neurotrophic factor levels, and changes in immune-inflammatory systems. The field has thus moved toward identifying more precise neurobiological targets that, in turn, may help develop personalized approaches and more reliable biomarkers for treatment prediction. Diverse pharmacological and non-pharmacological approaches targeting neurobiological pathways other than neurotransmission have also been tested in mood disorders. This article reviews different neurobiological targets and pathophysiological findings in non-canonical pathways in BD that may offer opportunities to support drug development and identify new, clinically relevant biological mechanisms. These include: neuroinflammation; mitochondrial function; calcium channels; oxidative stress; the glycogen synthase kinase-3 (GSK3) pathway; protein kinase C (PKC); brain-derived neurotrophic factor (BDNF); histone deacetylase (HDAC); and the purinergic signaling pathway.
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Affiliation(s)
- Rodrigo Machado-Vieira
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX, United States
| | - Alan C. Courtes
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX, United States
| | - Carlos A. Zarate
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, United States
| | - Ioline D. Henter
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, United States
| | - Husseini K. Manji
- Deparment of Psychiatry, University of Oxford, Oxford, United Kingdom
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4
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Bastos CR, Bock BB, Xavier J, Camerini L, Dewes SS, Grellert M, de Carvalho HW, Jansen K, da Silva RA, Pinheiro RT, de Mattos Souza L, Oses JP, Portela LV, Lara DR, Tovo-Rodrigues L, Ghisleni G. Temperament traits mediate the relationship between CACNA1C polymorphisms and bipolar disorder in cisgender women. Eur Arch Psychiatry Clin Neurosci 2023; 273:41-50. [PMID: 36181558 DOI: 10.1007/s00406-022-01493-7] [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: 04/23/2022] [Accepted: 09/13/2022] [Indexed: 11/03/2022]
Abstract
The influence of temperament traits on bipolar disorder (BD) has been investigated. Both temperament traits and BD are partially genetically determined and seem to be influenced by variations in the CACNA1C gene. These variations presented a significant interactive effect with biological sex, although studies that evaluate this relationship are scarce. Here, we assessed the mediation effect of temperament traits on the relationship between two polymorphisms in the CACNA1C gene (rs1006737 and rs4765913) and BD according to sex. This is a cross-sectional study consisting of 878 Caucasian individuals (508 women and 370 men), aged 18-35, enrolled in a population-based study in the city of Pelotas, Southern Brazil. BD diagnosis was evaluated using the clinical interview MINI 5.0, and temperament traits were assessed via the application of the Affective and Emotional Composite Temperament Scale (AFECTS). Mediation models were tested using the modeling tool PROCESS (version 3.3) for SPSS. Bootstrapping-enhanced mediation analyses in women indicated that traits anger (39%) and caution (27%) mediated the association between the rs4765913 SNP and BD, while traits volition (29%), anger (35%), and caution (29%) mediated the association between the AA haplotype (rs1006737-rs4765913) and the BD. No effect was encountered for cisgender men. Our model revealed that paths from CACNA1C SNPs to BD are mediated by specific temperament traits in women, reinforcing the definition of temperament traits as endophenotypes.
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Affiliation(s)
- Clarissa Ribeiro Bastos
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
- Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Bertha Bueno Bock
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Janaina Xavier
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Laísa Camerini
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Samantha Seibt Dewes
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Mateus Grellert
- Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | | | - Karen Jansen
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Ricardo Azevedo da Silva
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Ricardo Tavares Pinheiro
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Luciano de Mattos Souza
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil
| | - Jean Pierre Oses
- Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - Luis Valmor Portela
- Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Diogo Rizzato Lara
- Department of Cellular and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luciana Tovo-Rodrigues
- Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Gabriele Ghisleni
- Post-Graduation Program in Health and Behavior, Center of Health Science, Catholic University of Pelotas, 373, 324C Gonçalves Chaves Street, Pelotas, Rio Grande do Sul, CEP 96015-560, Brazil.
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Mola-Ali-Nejad R, Fakharianzadeh S, Maloum Z, Taheri M, Shirvani-Farsani Z. A gene expression analysis of long non-coding RNAs NKILA and PACER as well as their target genes, NF-κB and cox-2 in bipolar disorder patients. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2023; 42:527-537. [PMID: 36628999 DOI: 10.1080/15257770.2023.2166063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Bipolar disorder (BD) is a severe condition characterized by periods of mania and depression. Despite advances in the neurobiology of bipolar disorder, the exact etiology of the disease remains unclear. There is evidence that Inflammation is associated with bipolar disorder. COX-2 and NF-κB are two critical mediators in the inflammatory pathways. Long non-coding RNAs (lncRNAs) are a new class of non-coding RNAs that play a wide range of roles, especially in developing and maintaining normal brain functions. Two lncRNAs called PACER and NKILA control the expression of COX-2 and NF-κB genes, respectively. In this study, Expression levels of PACER and NKILA lncRNAs, as well as, COX-2 and NF-κB genes were measured in fifty patients with bipolar disorder and 50 healthy individuals by real-time PCR. Expression levels of NKILA and COX2 were considerably reduced in BD patients compared with healthy controls. Such significant downregulation in the expression of NKILA and PACER was only observed in male patients with BD compared with male healthy subjects. Also, according to the results of the ROC curve, the area under curve values for NKILA and COX2 were 0.68 and 0.52 respectively. Consequently, the NKILA gene could be considered a biomarker. By examining the degree of pairwise correlation between genes, all genes had a significant positive correlation with each other. Taken together, these results revealed a function for NKILA and PACER lncRNAs in the pathogenesis of BD.
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Affiliation(s)
- Reza Mola-Ali-Nejad
- Department of Medical Genetics, School of Medicine, Jiroft University of Medical Sciences, Jiroft, Iran
| | - Saba Fakharianzadeh
- Department of Cell and Molecular Biology, Faculty of Life Sciences and Technology, Shahid Beheshti University, Tehran, Iran
| | - Zahra Maloum
- Department of Cell and Molecular Biology, Faculty of Life Sciences and Technology, Shahid Beheshti University, Tehran, Iran
| | - Mohammad Taheri
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zeinab Shirvani-Farsani
- Department of Cell and Molecular Biology, Faculty of Life Sciences and Technology, Shahid Beheshti University, Tehran, Iran
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Birla M, Choudhary C, Singh G, Gupta S, Bhawana, Vavilala P. The Advent of Nutrigenomics: A Narrative Review with an Emphasis on Psychological Disorders. Prev Nutr Food Sci 2022; 27:150-164. [PMID: 35919568 PMCID: PMC9309077 DOI: 10.3746/pnf.2022.27.2.150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/06/2022] [Accepted: 05/26/2022] [Indexed: 11/06/2022] Open
Abstract
A new research field is emerging that combines nutrition and genetics at the molecular level, namely nutrigenomics. Several aspects of nutrigenomics are examined in this review, with a particular focus on psychological disorders. The origin of this field in the 20th century and its modern developments have been investigated. Various studies have reported the impact of genetic factors and diet on various chronic disorders, elucidating how the deficiency of several macronutrients results in significant ailments, including diabetes, cancer, cardiovascular disorders, and others. Furthermore, the application of nutrigenomics to diet and its impact on the global disease rate and quality of life have been discussed. The relationship between diet and gene expression can facilitate the classification of diet-gene interactions and the diagnosis of polymorphisms and anomalies. Numerous databases and research tools for the study of nutrigenomics are essential to the medical application of this field. The nutrition-gene interrelationships can be utilized to study brain development, impairment, and diseases, which could be a significant medical breakthrough. It has also been observed that psychological conditions are exacerbated by the interaction between gut microbes and the prevalence of malnutrition. This article focuses on the impact of nutrition on genes involved in various psychological disorders and the potential application of nutrigenomics as a revolutionary treatment method.
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Affiliation(s)
- Meghna Birla
- Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
| | - Chanchal Choudhary
- Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
| | - Garima Singh
- Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
| | - Salvi Gupta
- Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
| | - Bhawana
- Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
| | - Pratyusha Vavilala
- Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
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7
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Janiri D, Kotzalidis GD, di Luzio M, Giuseppin G, Simonetti A, Janiri L, Sani G. Genetic neuroimaging of bipolar disorder: a systematic 2017-2020 update. Psychiatr Genet 2021; 31:50-64. [PMID: 33492063 DOI: 10.1097/ypg.0000000000000274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
There is evidence of genetic polymorphism influences on brain structure and function, genetic risk in bipolar disorder (BD), and neuroimaging correlates of BD. How genetic influences related to BD could be reflected on brain changes in BD has been efficiently reviewed in a 2017 systematic review. We aimed to confirm and extend these findings through a Preferred Reporting Items for Systematic reviews and Meta-Analyses-based systematic review. Our study allowed us to conclude that there is no replicated finding in the timeframe considered. We were also unable to further confirm prior results of the BDNF gene polymorphisms to affect brain structure and function in BD. The most consistent finding is an influence of the CACNA1C rs1006737 polymorphism in brain connectivity and grey matter structure and function. There was a tendency of undersized studies to obtain positive results and large, genome-wide polygenic risk studies to find negative results in BD. The neuroimaging genetics in BD field is rapidly expanding.
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Affiliation(s)
- Delfina Janiri
- Department of Neurology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
- Department of Psychiatry and Neurology, Sapienza University of Rome
| | - Georgios D Kotzalidis
- NESMOS Department, Sant'Andrea University Hospital, School of Medicine and Psychology, Sapienza University
| | - Michelangelo di Luzio
- Department of Neuroscience, Section of Psychiatry, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giulia Giuseppin
- Department of Neuroscience, Section of Psychiatry, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alessio Simonetti
- Department of Psychiatry and Neurology, Sapienza University of Rome
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA
| | - Luigi Janiri
- Department of Neuroscience, Section of Psychiatry, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Psychiatry, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Gabriele Sani
- Department of Neuroscience, Section of Psychiatry, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Psychiatry, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
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Mayén-Lobo YG, Martínez-Magaña JJ, Pérez-Aldana BE, Ortega-Vázquez A, Genis-Mendoza AD, Dávila-Ortiz de Montellano DJ, Soto-Reyes E, Nicolini H, López-López M, Monroy-Jaramillo N. Integrative Genomic-Epigenomic Analysis of Clozapine-Treated Patients with Refractory Psychosis. Pharmaceuticals (Basel) 2021; 14:118. [PMID: 33557049 PMCID: PMC7913835 DOI: 10.3390/ph14020118] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/19/2021] [Accepted: 01/26/2021] [Indexed: 02/07/2023] Open
Abstract
Clozapine (CLZ) is the only antipsychotic drug that has been proven to be effective in patients with refractory psychosis, but it has also been proposed as an effective mood stabilizer; however, the complex mechanisms of action of CLZ are not yet fully known. To find predictors of CLZ-associated phenotypes (i.e., the metabolic ratio, dosage, and response), we explore the genomic and epigenomic characteristics of 44 patients with refractory psychosis who receive CLZ treatment based on the integration of polygenic risk score (PRS) analyses in simultaneous methylome profiles. Surprisingly, the PRS for bipolar disorder (BD-PRS) was associated with the CLZ metabolic ratio (pseudo-R2 = 0.2080, adjusted p-value = 0.0189). To better explain our findings in a biological context, we assess the protein-protein interactions between gene products with high impact variants in the top enriched pathways and those exhibiting differentially methylated sites. The GABAergic synapse pathway was found to be enriched in BD-PRS and was associated with the CLZ metabolic ratio. Such interplay supports the use of CLZ as a mood stabilizer and not just as an antipsychotic. Future studies with larger sample sizes should be pursued to confirm the findings of this study.
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Affiliation(s)
- Yerye Gibrán Mayén-Lobo
- Department of Biological Systems, Metropolitan Autonomous University-Xochimilco, Mexico City 04960, Mexico; (Y.G.M.-L.); (B.E.P.-A.); (A.O.-V.); (M.L.-L.)
- Department of Genetics, National Institute of Neurology and Neurosurgery, “Manuel Velasco Suárez”, Mexico City 14269, Mexico;
| | - José Jaime Martínez-Magaña
- Genomics of Psychiatric and Neurodegenerative Diseases Laboratory, Instituto Nacional de Medicina Genómica, SSA, Mexico City 14610, Mexico; (J.J.M.-M.); (A.D.G.-M.); (H.N.)
| | - Blanca Estela Pérez-Aldana
- Department of Biological Systems, Metropolitan Autonomous University-Xochimilco, Mexico City 04960, Mexico; (Y.G.M.-L.); (B.E.P.-A.); (A.O.-V.); (M.L.-L.)
| | - Alberto Ortega-Vázquez
- Department of Biological Systems, Metropolitan Autonomous University-Xochimilco, Mexico City 04960, Mexico; (Y.G.M.-L.); (B.E.P.-A.); (A.O.-V.); (M.L.-L.)
| | - Alma Delia Genis-Mendoza
- Genomics of Psychiatric and Neurodegenerative Diseases Laboratory, Instituto Nacional de Medicina Genómica, SSA, Mexico City 14610, Mexico; (J.J.M.-M.); (A.D.G.-M.); (H.N.)
| | | | - Ernesto Soto-Reyes
- Natural Sciences Department, Universidad Autónoma Metropolitana-Cuajimalpa, Mexico City 05348, Mexico;
| | - Humberto Nicolini
- Genomics of Psychiatric and Neurodegenerative Diseases Laboratory, Instituto Nacional de Medicina Genómica, SSA, Mexico City 14610, Mexico; (J.J.M.-M.); (A.D.G.-M.); (H.N.)
- Grupo de Estudios Médicos y Familiares Carracci, Mexico City 03740, Mexico
| | - Marisol López-López
- Department of Biological Systems, Metropolitan Autonomous University-Xochimilco, Mexico City 04960, Mexico; (Y.G.M.-L.); (B.E.P.-A.); (A.O.-V.); (M.L.-L.)
| | - Nancy Monroy-Jaramillo
- Department of Genetics, National Institute of Neurology and Neurosurgery, “Manuel Velasco Suárez”, Mexico City 14269, Mexico;
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9
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Emami-Khoyi A, Parbhu SP, Ross JG, Murphy EC, Bothwell J, Monsanto DM, Vuuren BJV, Teske PR, Paterson AM. De Novo Transcriptome Assembly and Annotation of Liver and Brain Tissues of Common Brushtail Possums ( Trichosurus vulpecula) in New Zealand: Transcriptome Diversity after Decades of Population Control. Genes (Basel) 2020; 11:genes11040436. [PMID: 32316496 PMCID: PMC7230921 DOI: 10.3390/genes11040436] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 12/12/2022] Open
Abstract
The common brushtail possum (Trichosurus vulpecula), introduced from Australia in the mid-nineteenth century, is an invasive species in New Zealand where it is widespread and forms the largest self-sustained reservoir of bovine tuberculosis (Mycobacterium bovis) among wild populations. Conservation and agricultural authorities regularly apply a series of population control measures to suppress brushtail possum populations. The evolutionary consequence of more than half a century of intensive population control operations on the species’ genomic diversity and population structure is hindered by a paucity of available genomic resources. This study is the first to characterise the functional content and diversity of brushtail possum liver and brain cerebral cortex transcriptomes. Raw sequences from hepatic cells and cerebral cortex were assembled into 58,001 and 64,735 transcripts respectively. Functional annotation and polymorphism assignment of the assembled transcripts demonstrated a considerable level of variation in the core metabolic pathways that represent potential targets for selection pressure exerted by chemical toxicants. This study suggests that the brushtail possum population in New Zealand harbours considerable variation in metabolic pathways that could potentially promote the development of tolerance against chemical toxicants.
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Affiliation(s)
- Arsalan Emami-Khoyi
- Center for Ecological Genomics and Wildlife Conservation, University of Johannesburg, Auckland Park 2006, South Africa
- Department of Pest-management and Conservation, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Shilpa Pradeep Parbhu
- Center for Ecological Genomics and Wildlife Conservation, University of Johannesburg, Auckland Park 2006, South Africa
| | - James G Ross
- Department of Pest-management and Conservation, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Elaine C Murphy
- Department of Pest-management and Conservation, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Jennifer Bothwell
- Department of Pest-management and Conservation, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Daniela M Monsanto
- Center for Ecological Genomics and Wildlife Conservation, University of Johannesburg, Auckland Park 2006, South Africa
| | - Bettine Jansen van Vuuren
- Center for Ecological Genomics and Wildlife Conservation, University of Johannesburg, Auckland Park 2006, South Africa
| | - Peter R Teske
- Center for Ecological Genomics and Wildlife Conservation, University of Johannesburg, Auckland Park 2006, South Africa
| | - Adrian M Paterson
- Department of Pest-management and Conservation, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
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