1
|
Braz CU, Passamonti MM, Khatib H. Characterization of genomic regions escaping epigenetic reprogramming in sheep. ENVIRONMENTAL EPIGENETICS 2023; 10:dvad010. [PMID: 38496251 PMCID: PMC10944287 DOI: 10.1093/eep/dvad010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 12/04/2023] [Accepted: 12/15/2023] [Indexed: 03/19/2024]
Abstract
The mammalian genome undergoes two global epigenetic reprogramming events during the establishment of primordial germ cells and in the pre-implantation embryo after fertilization. These events involve the erasure and re-establishment of DNA methylation marks. However, imprinted genes and transposable elements (TEs) maintain their DNA methylation signatures to ensure normal embryonic development and genome stability. Despite extensive research in mice and humans, there is limited knowledge regarding environmentally induced epigenetic marks that escape epigenetic reprogramming in other species. Therefore, the objective of this study was to examine the characteristics and locations of genomic regions that evade epigenetic reprogramming in sheep, as well as to explore the biological functions of the genes within these regions. In a previous study, we identified 107 transgenerationally inherited differentially methylated cytosines (DMCs) in the F1 and F2 generations in response to a paternal methionine-supplemented diet. These DMCs were found in TEs, non-repetitive regions, and imprinted and non-imprinted genes. Our findings suggest that genomic regions, rather than TEs and imprinted genes, have the propensity to escape reprogramming and serve as potential candidates for transgenerational epigenetic inheritance. Notably, 34 transgenerational methylated genes influenced by paternal nutrition escaped reprogramming, impacting growth, development, male fertility, cardiac disorders, and neurodevelopment. Intriguingly, among these genes, 21 have been associated with neural development and brain disorders, such as autism, schizophrenia, bipolar disease, and intellectual disability. This suggests a potential genetic overlap between brain and infertility disorders. Overall, our study supports the concept of transgenerational epigenetic inheritance of environmentally induced marks in mammals.
Collapse
Affiliation(s)
- Camila U Braz
- Department of Animal Sciences, University of Illinois Urbana–Champaign, Urbana, IL 61801, USA
| | - Matilde Maria Passamonti
- Department of Animal Science, Food and Nutrition, Universit’a Cattolica del Sacro Cuore, Piacenza, 29122, Italy
| | - Hasan Khatib
- Department of Animal and Dairy Sciences, University of Wisconsin–Madison, Madison, WI 53706, USA
| |
Collapse
|
2
|
Aparicio A, Sun Z, Gold DR, Litonjua AA, Weiss ST, Lee-Sarwar K, Liu YY. Genotype-microbiome-metabolome associations in early childhood, and their link to BMI and childhood obesity. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.11.13.23298467. [PMID: 38014043 PMCID: PMC10680902 DOI: 10.1101/2023.11.13.23298467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
The influence of genotype on defining the human gut microbiome has been extensively studied, but definite conclusions have not yet been found. To fill this knowledge gap, we leverage data from children enrolled in the Vitamin D Antenatal Asthma Reduction Trial (VDAART) from 6 months to 8 years old. We focus on a pool of 12 genes previously found to be associated with the gut microbiome in independent studies, establishing a Bonferroni corrected significance level of p-value < 2.29 × 10 -6 . We identified significant associations between SNPs in the FHIT gene (known to be associated with obesity and type 2 diabetes) and obesity-related microbiome features, and the children's BMI through their childhood. Based on these associations, we defined a set of SNPs of interest and a set of taxa of interest. Taking a multi-omics approach, we integrated plasma metabolome data into our analysis and found simultaneous associations among children's BMI, the SNPs of interest, and the taxa of interest, involving amino acids, lipids, nucleotides, and xenobiotics. Using our association results, we constructed a quadripartite graph where each disjoint node set represents SNPs in the FHIT gene, microbial taxa, plasma metabolites, or BMI measurements. Network analysis led to the discovery of patterns that identify several genetic variants, microbial taxa and metabolites as new potential markers for obesity, type 2 diabetes, or insulin resistance risk.
Collapse
|
3
|
Huang S, Zhang C, Xie X, Zhu Y, Song Q, Ye L, Hu Y. GRID2 aberration leads to disturbance in neuroactive ligand-receptor interactions via changes to the species richness and composition of gut microbes. Biochem Biophys Res Commun 2022; 631:9-17. [PMID: 36162328 DOI: 10.1016/j.bbrc.2022.09.006] [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: 08/26/2022] [Revised: 08/29/2022] [Accepted: 09/01/2022] [Indexed: 01/14/2023]
Abstract
OBJECTIVE To explore the association between phenotype and the gut microbiome following damage to the GRID2 gene. METHODS Ten wild-type (WT) mice and 11 GRID2 knockout heterozygous mice (GRID2(±)) of a similar age and weight were randomly selected. Fresh feces were collected from both groups of mice under specified pathogen-free (SPF) conditions. The bacterial genomes were extracted from the feces, the 16S rRNA genes were sequenced, and the data were analyzed to determine clustering, diversity, abundance, LEfSe, and functional differences. Differential expression and enrichment analyses of the RNA-seq and protein levels of the GRID2 gene were also performed using data in the GENE database and the new version of the Human Protein Atlas portal (www.proteinatlas.org). RESULTS The diversity analysis showed differences in species composition between the two groups at different levels. At phylum level, compared with the WT group, the distribution was more bacteriophages but showed a lower content of Tenericutes in the GRID2(±) group. At the order level, compared with the WT group, a higher content of Actinomycetales and Bacteriophages were found in the GRID2(±) group. The species difference analysis showed that 17 species, including E. faecalis and Paracoccus spp., showed differences in content between the two groups. LEfSe analysis showed that the abundance of Clostridiaceae, Allobaculum, and other groups decreased in the GRID2(±) group compared with the WT group, while Mycoplasma, Sphingomonas, and Alphaproteobacteria increased in abundance. Functional analysis revealed eight differential functions between the WT and GRID2(±) group (P < 0.05). The most significantly disrupted were neuroactive ligand-receptor interactions (P < 9.99e-4). In addition, the differential expression and enrichment analyses performed at RNA-seq and protein levels revealed that the GRID2 gene showed organ-specific expression and was mainly enriched in the brain tissue. CONCLUSIONS Compared with the WT group, the defective GRID2 gene affected the species richness and composition of gut microbes in the GRID2(±) mice, which in turn affected the function of gut microbes, leading to the disruption of neuroactive ligand-receptor interactions. Our findings indicate that the host gene, GRID2, can influence the abundance of a subset of gut microbes but the exact mechanisms still need further investigation.
Collapse
Affiliation(s)
- Shengzhu Huang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, 530021, Guangxi, China; Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, 530021, China; School of Public Health of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Chenqi Zhang
- Life Sciences Institute, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Xing Xie
- Clinical Laboratory Center of the First Affiliate Hospital of Guanxi Medical University, Nanning, 530021, Guangxi, China
| | - Yuanyuan Zhu
- Life Sciences Institute, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Qiong Song
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Li Ye
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, 530021, China; School of Public Health of Guangxi Medical University, Nanning, 530021, Guangxi, China.
| | - Yanling Hu
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, 530021, Guangxi, China; Life Sciences Institute, Guangxi Medical University, Nanning, 530021, Guangxi, China.
| |
Collapse
|
4
|
Lanza HI. Weighing the Risk: Developmental Pathways and Processes Underlying Obesity to Substance Use in Adolescence. JOURNAL OF RESEARCH ON ADOLESCENCE : THE OFFICIAL JOURNAL OF THE SOCIETY FOR RESEARCH ON ADOLESCENCE 2022; 32:337-354. [PMID: 34490962 PMCID: PMC8897223 DOI: 10.1111/jora.12610] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Research on co-occurring obesity and substance use in adolescence has grown substantially in the past decade, but questions on the pathways and processes underlying co-occurrence remain. This review first synthesizes empirical findings on the relationship between obesity and substance use (e.g., alcohol, cannabis, tobacco use). Multidisciplinary theoretical frameworks referencing behavioral medicine, neuroscience, psychology, and public health are then used to inform an interdisciplinary, conceptual model focused on pathways and processes by which obesity increases risk of substance use. Recommendations for future research underscore the importance of prospective studies that encompass multiple domains of development. Recommendations for practice include family-based interventions that promote adaptive self-regulation, targeted antibullying or victimization interventions, and increased attention by health professionals on risky behavior associated with adolescent obesity.
Collapse
|
5
|
Liu M, Lu L, Geng Q, Wang M, Bai C, Cheng G, Cui Y, Dong B, Fang J, Gao F, Huang R, Huang S, Li Y, Liu G, Liu Y, Lu Y, Ren Y, Mao J, Shi D, Su H, Sun X, Sun X, Tang X, Tian F, Tu H, Wang H, Wang Q, Wang X, Wang J, Wang L, Wang Y, Wang Y, Wang Z, Wen S, Wu H, Wu Y, Xiong P, Yu G, Yang N, Zhao X, Zhan H. Expert consensus on diagnosis and treatment of adult mental stress induced hypertension in China (2022 revision): Part A. HEART AND MIND 2022. [DOI: 10.4103/hm.hm_4_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
|
6
|
Hamet P, Pausova Z, Attaoua R, Hishmih C, Haloui M, Shin J, Paus T, Abrahamowicz M, Gaudet D, Santucci L, Kotchen TA, Cowley AW, Hussin J, Tremblay J. SARS-CoV-2 Receptor ACE2 Gene Is Associated with Hypertension and Severity of COVID 19: Interaction with Sex, Obesity, and Smoking. Am J Hypertens 2021; 34:367-376. [PMID: 33386398 PMCID: PMC7799248 DOI: 10.1093/ajh/hpaa223] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/09/2020] [Accepted: 12/31/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Angiotensin-converting enzyme 2 (ACE2) has been identified as the entry receptor for coronaviruses into human cells, including severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that causes coronavirus disease 2019 (COVID-19). Since hypertension (HT) is a leading comorbidity in non-survivors of COVID-19, we tested for association between ACE2 gene and HT in interaction with specific pre-existing conditions known to be associated with COVID-19 severity. METHODS Genetic analysis of ACE2 gene was conducted in French-Canadian (FC) and British populations. RESULTS In FC individuals, the T allele of the single nucleotide polymorphism rs2074192 of ACE2 gene was a risk factor for HT in adult obese males [odds ratio (OR) = 1.39, 95% confidence interval (CI) 1.06-1.83)] and even more so in obese males who smoked (OR = 1.67, CI: 1.24-2.55), but not in lean males, non-smoker males or females. The T allele was significantly associated with severity of HT and with earlier penetrance of HT in obese smoking males. Significant interaction between the T allele and obesity was present in both sexes. The association of ACE2 (rs233575) genotype with blood pressure was also seen in adolescents but the interaction with obesity was present only in females. Several variants in ACE2 gene were found to be associated with HT in obese, smoking males in British individuals of the UK Biobank. In addition, we observed more severe outcomes to COVID-19 in association with ACE2 risk alleles in obese, smoking males. CONCLUSIONS This is the first report that ACE2 variants are associated with earlier penetrance and more severe HT and with more severe outcomes of COVID-19 in obese smoking males.
Collapse
Affiliation(s)
- Pavel Hamet
- Centre de recherche du Centre Hospitalier de l’Université
de Montréal (CRCHUM), Montréal,
Quebec, Canada
| | - Zdenka Pausova
- The Hospital for Sick Children, University of Toronto,
Toronto, Ontario, Canada
- Department of Physiology, University of Toronto,
Toronto, Ontario, Canada
- Department of Nutritional Sciences, University of
Toronto, Toronto, Ontario, Canada
| | - Redha Attaoua
- Centre de recherche du Centre Hospitalier de l’Université
de Montréal (CRCHUM), Montréal,
Quebec, Canada
| | - Camil Hishmih
- Centre de recherche du Centre Hospitalier de l’Université
de Montréal (CRCHUM), Montréal,
Quebec, Canada
| | - Mounsif Haloui
- Centre de recherche du Centre Hospitalier de l’Université
de Montréal (CRCHUM), Montréal,
Quebec, Canada
| | - Jean Shin
- The Hospital for Sick Children, University of Toronto,
Toronto, Ontario, Canada
- Department of Physiology, University of Toronto,
Toronto, Ontario, Canada
- Department of Nutritional Sciences, University of
Toronto, Toronto, Ontario, Canada
| | - Tomas Paus
- Clinical Lipidology and Rare Lipid Disorders Unit, Department of
Medicine, Université de Montréal Community Gene Medicine Center,
Lipid Clinic Chicoutimi Hospital and ECOGENE-21 Clinical and Translational
Research Center, Chicoutimi, Quebec,
Canada
- Department of Psychology, University of Toronto,
Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto,
Toronto, Ontario, Canada
| | - Michal Abrahamowicz
- Clinical Lipidology and Rare Lipid Disorders Unit, Department of
Medicine, Université de Montréal Community Gene Medicine Center,
Lipid Clinic Chicoutimi Hospital and ECOGENE-21 Clinical and Translational
Research Center, Chicoutimi, Quebec,
Canada
| | - Daniel Gaudet
- Department of Nutritional Sciences, University of
Toronto, Toronto, Ontario, Canada
- Chicoutimi Hospital Research Unit,
Quebec, Canada
| | - Lara Santucci
- Centre de recherche du Centre Hospitalier de l’Université
de Montréal (CRCHUM), Montréal,
Quebec, Canada
| | - Theodore A Kotchen
- Department of Medicine, Medical College of Wisconsin,
Milwaukee, Wisconsin, USA
| | - Allen W Cowley
- Department of Physiology, Medical College of Wisconsin,
Milwaukee, Wisconsin, USA
| | | | - Johanne Tremblay
- Centre de recherche du Centre Hospitalier de l’Université
de Montréal (CRCHUM), Montréal,
Quebec, Canada
| |
Collapse
|
7
|
Nikpay M, McPherson R. Convergence of biomarkers and risk factor trait loci of coronary artery disease at 3p21.31 and HLA region. NPJ Genom Med 2021; 6:12. [PMID: 33574266 PMCID: PMC7878768 DOI: 10.1038/s41525-021-00174-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 01/06/2021] [Indexed: 12/13/2022] Open
Abstract
Here we seek to identify molecular biomarkers that mediate the effect of risk factors on coronary artery disease (CAD). We perform a SNP-based multiomics data analysis to find biomarkers (probes) causally associated with the risk of CAD within known genomic loci for its risk factors. We identify 78 biomarkers, the majority (64%) of which are methylation probes. We detect the convergence of several CNS and lifestyle trait loci and their biomarkers at the 3p21.31 and human leukocyte antigen (HLA) regions. The 3p21.31 locus was the most populated region in the convergence of biomarkers and risk factors. In this region, we noted as the BSN gene becomes methylated the level of stomatin (STOM) in blood increases and this contributes to higher risk of CAD. In the HLA locus, we identify several methylation biomarkers associated with various CAD risk factors. SNPs in the CFB gene display a trans-regulatory impact on the GRIA4 protein level. A methylation site upstream of the APOE gene is associated with a higher protein level of S100A13 which in turn leads to higher LDL-C and greater CAD risk. We find UHRF1BP1 and ILRUN mediate the effect of obesity on CAD whereas methylation sites within NOS3 and CKM mediate the effect of their associated-risk factors on CAD. This study provides further insight into the biology of CAD and identifies a list of biomarkers that mediate the impact of risk factors on CAD. A SNP-based initiative can unite data from various fields of omics into a single network of knowledge.
Collapse
Affiliation(s)
- Majid Nikpay
- Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa Heart Institute, Ottawa, ON, Canada.
| | - Ruth McPherson
- Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa Heart Institute, Ottawa, ON, Canada.
- Atherogenomics Laboratory, University of Ottawa Heart Institute, Ottawa, ON, Canada.
| |
Collapse
|
8
|
Nikpay M, Soubeyrand S, Tahmasbi R, McPherson R. Multiomics Screening Identifies Molecular Biomarkers Causally Associated With the Risk of Coronary Artery Disease. CIRCULATION-GENOMIC AND PRECISION MEDICINE 2020; 13:e002876. [PMID: 32969717 DOI: 10.1161/circgen.119.002876] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND In this study, we aimed to investigate functional mechanisms underlying coronary artery disease (CAD) loci and find molecular biomarkers for CAD. METHODS We devised a multiomics data analysis approach based on Mendelian randomization and utilized it to search for molecular biomarkers causally associated with the risk of CAD within genomic regions known to be associated with CAD. RESULTS Through our CAD-centered multiomics data analysis approach, we identified 33 molecular biomarkers (probes) that were causally associated with the risk of CAD. The majority of these (N=19) were methylation probes; moreover, methylation was often behind the causal effect of expression/protein probes. We identified a number of novel loci that have a causal impact on CAD including C5orf38, SF3A3, DHX36, and MRPL33. Furthermore, by integrating the risk factors of CAD in our analysis, we were able to investigate the clinical pathways whereby several of our probes exert their effect. We found that the SELE protein level in the blood is under the trans-regulatory impact of methylation sites within the ABO gene and that SELE exerts its effect on CAD through immune, glycemic, and lipid metabolism, making it a candidate of interest for therapeutic interventions. We found the methylation site, cg05126514 within the BSN gene exert its effect on CAD through central nervous system-lifestyle risk factors. Finally, genes with a transcriptional regulatory role (SF3A3, ILF3, and N4BP2L2) exert their effect on CAD through height. CONCLUSIONS We demonstrate that multiomics data analysis is a powerful approach to unravel the functional mechanisms underlying CAD loci and to identify novel molecular biomarkers. Our results indicate epigenetic modifications are important in the pathogenesis of CAD and identifying and targeting these sites is of potential therapeutic interest to address the detrimental effects of both environmental and genetic factors.
Collapse
Affiliation(s)
- Majid Nikpay
- Ruddy Canadian Cardiovascular Genetics Centre (M.N., R.M.), University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Sebastien Soubeyrand
- Atherogenomics Laboratory (S.S., R.M.), University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Rasool Tahmasbi
- Institute for Behavioral Genetics, University of Colorado, Boulder, Colorado (R.T.)
| | - Ruth McPherson
- Ruddy Canadian Cardiovascular Genetics Centre (M.N., R.M.), University of Ottawa Heart Institute, Ottawa, Ontario, Canada.,Atherogenomics Laboratory (S.S., R.M.), University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| |
Collapse
|
9
|
Peters T, Nüllig L, Antel J, Naaresh R, Laabs BH, Tegeler L, Amhaouach C, Libuda L, Hinney A, Hebebrand J. The Role of Genetic Variation of BMI, Body Composition, and Fat Distribution for Mental Traits and Disorders: A Look-Up and Mendelian Randomization Study. Front Genet 2020; 11:373. [PMID: 32373164 PMCID: PMC7186862 DOI: 10.3389/fgene.2020.00373] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 03/26/2020] [Indexed: 12/22/2022] Open
Abstract
Anthropometric traits and mental disorders or traits are known to be associated clinically and to show genetic overlap. We aimed to identify genetic variants with relevance for mental disorders/traits and either (i) body mass index (or obesity), (ii) body composition, (and/or) (iii) body fat distribution. We performed a look-up analysis of 1,005 genome-wide significant SNPs for BMI, body composition, and body fat distribution in 15 mental disorders/traits. We identified 40 independent loci with one or more SNPs fulfilling our threshold significance criterion (P < 4.98 × 10-5) for the mental phenotypes. The majority of loci was associated with schizophrenia, educational attainment, and/or intelligence. Fewer associations were found for bipolar disorder, neuroticism, attention deficit/hyperactivity disorder, major depressive disorder, depressive symptoms, and well-being. Unique associations with measures of body fat distribution adjusted for BMI were identified at five loci only. To investigate the potential causality between body fat distribution and schizophrenia, we performed two-sample Mendelian randomization analyses. We found no causal effect of body fat distribution on schizophrenia and vice versa. In conclusion, we identified 40 loci which may contribute to genetic overlaps between mental disorders/traits and BMI and/or shape related phenotypes. The majority of loci identified for body composition overlapped with BMI loci, thus suggesting pleiotropic effects.
Collapse
Affiliation(s)
- Triinu Peters
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Lena Nüllig
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Jochen Antel
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Roaa Naaresh
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Björn-Hergen Laabs
- Institute of Medical Biometry and Statistics, University of Lübeck, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Lisa Tegeler
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Chaima Amhaouach
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Lars Libuda
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Anke Hinney
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Johannes Hebebrand
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| |
Collapse
|
10
|
Nikpay M, Mohammadzadeh S. Phenome-wide screening for traits causally associated with the risk of coronary artery disease. J Hum Genet 2020; 65:371-380. [PMID: 31907388 DOI: 10.1038/s10038-019-0716-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 11/29/2019] [Accepted: 12/17/2019] [Indexed: 12/17/2022]
Abstract
Using two independent approaches, Mendelian randomization and Polygenic risk score in a sample of 6194 CAD cases and 4287 controls of European ancestry, we did a comprehensive phenome-wide search (PheWAS) for traits that causally associated with the risk of CAD. We found 46 risk factors that represented diverse categories including cardiovascular, CNS (central nervous system), diabetes, lipids, immune, anthropometry, and life style features; moreover, we noted numerous evidences of genetic correlations and causal associations between risk factors from different categories. Among the identified risk factors, CAD showed highest genetic relatedness with thrombotic conditions. The most represented category was life style features (29%) with evidence of strong genetic overlap with CNS traits. Genetic variants associated with higher cognition were associated with life style characteristics and cardiometabolic features that lower the risk of CAD. Conditional analysis indicated this trend is in part attributed to higher age of first sexual intercourse (AFS) in those with higher cognition. Lower AFS was concordantly associated with higher risk of CAD in males, females, and the combined sample; furthermore, lower AFS was causally associated with several CAD-risk factors including, higher fasting insulin, fasting glucose, LDL, immature reticulocyte fraction, HbA1c levels, as well as, higher risk of T2D and pulmonary embolism but lower levels of HDL. These results indicate CAD is the outcome of several phenotypically distinct but genetically interrelated sources; moreover, we identified lower AFS as an independent causal risk factor of CAD and revealed its role in mediating the effect of other risk factors.
Collapse
Affiliation(s)
- Majid Nikpay
- Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa Heart Institute, Ottawa, ON, K1Y 4W7, Canada.
| | - Sara Mohammadzadeh
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, 6714967346, Iran
| |
Collapse
|
11
|
Nikpay M, Turner AW, McPherson R. Partitioning the Pleiotropy Between Coronary Artery Disease and Body Mass Index Reveals the Importance of Low Frequency Variants and Central Nervous System-Specific Functional Elements. CIRCULATION-GENOMIC AND PRECISION MEDICINE 2019; 11:e002050. [PMID: 29444804 DOI: 10.1161/circgen.117.002050] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 01/16/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND The objective of this study is to investigate the extent and nature of pleiotropy between coronary artery disease (CAD) and body mass index (BMI). METHODS We examined the contribution of genome-wide single-nucleotide polymorphisms (minor allele frequency ≥0.01) to co-occurrence of CAD and BMI in a sample of genetically unrelated 8041 subjects (genetic resemblance ≤0.025) of European ancestry using mixed-linear-models. We further partitioned the estimated pleiotropy according to biological features to gain insight into the nature of pleiotropy between CAD and BMI. RESULTS We found significant (P<0.0001) positive genetic correlation between CAD and BMI (rg =0.60). The estimated pleiotropy explained 68% of phenotypic correlation, and it was not proportionally distributed across the chromosomes; notably, chromosome 10 contributed more; whereas, chromosomes 11 and 14 contributed less to pleiotropy than expected given their chromosomal length. We noted that a large proportion (63%; P=0.002) of the pleiotropy is attributed to single-nucleotide polymorphisms with low allele frequency (minor allele frequency <0.05). Of note, pleiotropy was enriched among central nervous system genes and genes of metabolic pathways. Further analyses revealed that these effects are more pronounced in the proopiomelanocortin pathway and genes involved in carbohydrate metabolism. After genome-wide association study meta-analysis, only single-nucleotide polymorphisms downstream of the MC4R gene were found concordantly associated with (P<5×10-8) BMI and CAD with lead single-nucleotide polymorphism being rs663129 (combined P=2.7×10-65). Finally, partitioning the pleiotropy according to functional elements pointed to the importance of superenhancers and notably brain-specific superenhancers. CONCLUSIONS Genome-wide pleiotropy substantially contributes to co-occurrence of CAD and obesity, and it is highly enriched among low frequency variants and central nervous system-specific functional elements.
Collapse
Affiliation(s)
- Majid Nikpay
- From the Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa, Heart Institute.
| | - Adam W Turner
- From the Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa, Heart Institute
| | - Ruth McPherson
- From the Ruddy Canadian Cardiovascular Genetics Centre, University of Ottawa, Heart Institute.
| |
Collapse
|
12
|
Ong ML, Tuan TA, Poh J, Teh AL, Chen L, Pan H, MacIsaac JL, Kobor MS, Chong YS, Kwek K, Saw SM, Godfrey KM, Gluckman PD, Fortier MV, Karnani N, Meaney MJ, Qiu A, Holbrook JD. Neonatal amygdalae and hippocampi are influenced by genotype and prenatal environment, and reflected in the neonatal DNA methylome. GENES BRAIN AND BEHAVIOR 2019; 18:e12576. [PMID: 31020763 DOI: 10.1111/gbb.12576] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/01/2019] [Accepted: 04/13/2019] [Indexed: 12/28/2022]
Abstract
The amygdala and hippocampus undergo rapid development in early life. The relative contribution of genetic and environmental factors to the establishment of their developmental trajectories has yet to be examined. We performed imaging on neonates and examined how the observed variation in volume and microstructure of the amygdala and hippocampus varied by genotype, and compared with prenatal maternal mental health and socioeconomic status. Gene × Environment models outcompeted models containing genotype or environment only to best explain the majority of measures but some, especially of the amygdaloid microstructure, were best explained by genotype only. Models including DNA methylation measured in the neonate umbilical cords outcompeted the Gene and Gene × Environment models for the majority of amygdaloid measures and minority of hippocampal measures. This study identified brain region-specific gene networks associated with individual differences in fetal brain development. In particular, genetic and epigenetic variation within CUX1 was highlighted.
Collapse
Affiliation(s)
- Mei-Lyn Ong
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore
| | - Ta A Tuan
- Department of Biomedical Engineering, Clinical Imaging research Centre, National University of Singapore, Singapore
| | - Joann Poh
- Department of Biomedical Engineering, Clinical Imaging research Centre, National University of Singapore, Singapore
| | - Ai L Teh
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore
| | - Li Chen
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore
| | - Hong Pan
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore.,School of Computer Engineering, Nanyang Technological University (NTU), Singapore
| | - Julia L MacIsaac
- Centre for Molecular Medicine and Therapeutics, Child and Family Research Institute, Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Michael S Kobor
- Centre for Molecular Medicine and Therapeutics, Child and Family Research Institute, Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Yap S Chong
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore.,Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Kenneth Kwek
- KK Women's and Children's Hospital, Duke National University of Singapore, Singapore
| | - Seang M Saw
- Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Keith M Godfrey
- MRC Lifecourse Epidemiology Unit and NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Peter D Gluckman
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore.,Centre for Human Evolution, Adaptation and disease, Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Marielle V Fortier
- KK Women's and Children's Hospital, Duke National University of Singapore, Singapore
| | - Neerja Karnani
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore
| | - Michael J Meaney
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore.,Ludmer Centre for Neuroinformatics and Mental Health, Sackler Program for Epigenetics & Psychobiology at McGill University, Douglas University Mental Health Institute, McGill University, Montreal, Canada
| | - Anqi Qiu
- Department of Biomedical Engineering, Clinical Imaging research Centre, National University of Singapore, Singapore.,Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore
| | - Joanna D Holbrook
- Singapore Institute of Clinical sciences (SICS), A*STAR, Brenner Centre for Molecular Medicine, Singapore
| |
Collapse
|
13
|
Meda SA, Narayanan B, Chorlian D, Meyers JL, Gelernter J, Hesselbrock V, Bauer L, Calhoun VD, Porjesz B, Pearlson GD. Multivariate Analyses Reveal Biological Components Related to Neuronal Signaling and Immunity Mediating Electroencephalograms Abnormalities in Alcohol-Dependent Individuals from the Collaborative Study on the Genetics of Alcoholism Cohort. Alcohol Clin Exp Res 2019; 43:1462-1477. [PMID: 31009096 DOI: 10.1111/acer.14063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 04/08/2019] [Accepted: 04/11/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND The underlying molecular mechanisms associated with alcohol use disorder (AUD) risk have only been partially revealed using traditional approaches such as univariate genomewide association and linkage-based analyses. We therefore aimed to identify gene clusters related to Electroencephalograms (EEG) neurobiological phenotypes distinctive to individuals with AUD using a multivariate approach. METHODS The current project adopted a bimultivariate data-driven approach, parallel independent component analysis (para-ICA), to derive and explore significant genotype-phenotype associations in a case-control subset of the Collaborative Study on the Genetics of Alcoholism (COGA) dataset. Para-ICA subjects comprised N = 799 self-reported European Americans (367 controls and 432 AUD cases), recruited from COGA, who had undergone resting EEG and genotyping. Both EEG and genomewide single nucleotide polymorphism (SNP) data were preprocessed prior to being subjected to para-ICA in order to derive genotype-phenotype relationships. RESULTS From the data, 4 EEG frequency and 4 SNP components were estimated, with 2 significantly correlated EEG-genetic relationship pairs. The first such pair primarily represented theta activity, negatively correlated with a genetic cluster enriched for (but not limited to) ontologies/disease processes representing cell signaling, neurogenesis, transmembrane drug transportation, alcoholism, and lipid/cholesterol metabolism. The second component pair represented mainly alpha activity, positively correlated with a genetic cluster with ontologies similarly enriched as the first component. Disease-related enrichments for this component revealed heart and autoimmune disorders as top hits. Loading coefficients for both the alpha and theta components were significantly reduced in cases compared to controls. CONCLUSIONS Our data suggest plausible multifactorial genetic components, primarily enriched for neuronal/synaptic signaling/transmission, immunity, and neurogenesis, mediating low-frequency alpha and theta abnormalities in alcohol addiction.
Collapse
Affiliation(s)
- Shashwath A Meda
- Olin Neuropsychiatry Research Center, Hartford Hospital/IOL, Hartford, Connecticut
| | - Balaji Narayanan
- Olin Neuropsychiatry Research Center, Hartford Hospital/IOL, Hartford, Connecticut
| | - David Chorlian
- Department of Psychiatry, SUNY Downstate Medical Center, Brooklyn, New York
| | - Jacquelyn L Meyers
- Department of Psychiatry, SUNY Downstate Medical Center, Brooklyn, New York
| | - Joel Gelernter
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | | | - Lance Bauer
- Department of Psychiatry, UConn Health, Farmington, Connecticut
| | | | - Bernice Porjesz
- Department of Psychiatry, SUNY Downstate Medical Center, Brooklyn, New York
| | - Godfrey D Pearlson
- Olin Neuropsychiatry Research Center, Hartford Hospital/IOL, Hartford, Connecticut.,Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| |
Collapse
|
14
|
Starke RM, McCarthy DJ, Komotar RJ, Connolly ES. New Risk Allele for Intracranial Aneurysm in French-Canadians. Neurosurgery 2018; 83:E101-E102. [PMID: 30125025 DOI: 10.1093/neuros/nyy294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Robert M Starke
- Department of Neurosurgery University of Miami School of Medicine Miami, Florida
| | - David J McCarthy
- Department of Neurosurgery University of Miami School of Medicine Miami, Florida
| | - Ricardo J Komotar
- Department of Neurosurgery University of Miami School of Medicine Miami, Florida
| | - E Sander Connolly
- Department of Neurological Surgery Columbia University College of Physicians and Surgeons New York, New York
| |
Collapse
|
15
|
Genome-wide association analysis identifies new candidate risk loci for familial intracranial aneurysm in the French-Canadian population. Sci Rep 2018. [PMID: 29531279 PMCID: PMC5847615 DOI: 10.1038/s41598-018-21603-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Intracranial Aneurysm (IA) is a common disease with a worldwide prevalence of 1–3%. In the French-Canadian (FC) population, where there is an important founder effect, the incidence of IA is higher and is frequently seen in families. In this study, we genotyped a cohort of 257 mostly familial FC IA patients and 1,992 FC controls using the Illumina NeuroX SNP-chip. The most strongly associated loci were tested in 34 Inuit IA families and in 32 FC IA patients and 106 FC controls that had been exome sequenced (WES). After imputation, one locus at 3p14.2 (FHIT, rs1554600, p = 4.66 × 10–9) reached a genome-wide significant level of association and a subsequent validation in Nunavik Inuit cohort further confirmed the significance of the FHIT variant association (rs780365, FBAT-O, p = 0.002839). Additionally, among the other promising loci (p < 5 × 10−6), the one at 3q13.2 (rs78125721, p = 4.77 × 10−7), which encompasses CCDC80, also showed an increased mutation burden in the WES data (CCDC80, SKAT-O, p = 0.0005). In this study, we identified two new potential IA loci in the FC population: FHIT, which is significantly associated with hypertensive IA, and CCDC80, which has potential genetic and functional relevance to IA pathogenesis, providing evidence on the additional risk loci for familial IA. We also replicated the previous IA GWAS risk locus 18q11.2, and suggested a potential locus at 8p23.1 that warrants further study.
Collapse
|
16
|
Keele GR, Prokop JW, He H, Holl K, Littrell J, Deal A, Francic S, Cui L, Gatti DM, Broman KW, Tschannen M, Tsaih SW, Zagloul M, Kim Y, Baur B, Fox J, Robinson M, Levy S, Flister MJ, Mott R, Valdar W, Solberg Woods LC. Genetic Fine-Mapping and Identification of Candidate Genes and Variants for Adiposity Traits in Outbred Rats. Obesity (Silver Spring) 2018; 26:213-222. [PMID: 29193816 PMCID: PMC5740008 DOI: 10.1002/oby.22075] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 10/20/2017] [Accepted: 10/21/2017] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Obesity is a major risk factor for multiple diseases and is in part heritable, yet the majority of causative genetic variants that drive excessive adiposity remain unknown. Here, outbred heterogeneous stock (HS) rats were used in controlled environmental conditions to fine-map novel genetic modifiers of adiposity. METHODS Body weight and visceral fat pad weights were measured in male HS rats that were also genotyped genome-wide. Quantitative trait loci (QTL) were identified by genome-wide association of imputed single-nucleotide polymorphism (SNP) genotypes using a linear mixed effect model that accounts for unequal relatedness between the HS rats. Candidate genes were assessed by protein modeling and mediation analysis of expression for coding and noncoding variants, respectively. RESULTS HS rats exhibited large variation in adiposity traits, which were highly heritable and correlated with metabolic health. Fine-mapping of fat pad weight and body weight revealed three QTL and prioritized five candidate genes. Fat pad weight was associated with missense SNPs in Adcy3 and Prlhr and altered expression of Krtcap3 and Slc30a3, whereas Grid2 was identified as a candidate within the body weight locus. CONCLUSIONS These data demonstrate the power of HS rats for identification of known and novel heritable mediators of obesity traits.
Collapse
Affiliation(s)
- Gregory R. Keele
- Department of Genetics, University of North Carolina at Chapel Hill, NC
| | | | - Hong He
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - Katie Holl
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - John Littrell
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - Aaron Deal
- Wake Forest School of Medicine, Department of Internal Medicine, Winston Salem, NC
| | - Sanja Francic
- University College London Genetics Institute, London, UK
| | - Leilei Cui
- University College London Genetics Institute, London, UK
| | | | - Karl W. Broman
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, WI
| | - Michael Tschannen
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - Shirng-Wern Tsaih
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - Maie Zagloul
- Department of Genetics, University of North Carolina at Chapel Hill, NC
| | - Yunjung Kim
- Department of Genetics, University of North Carolina at Chapel Hill, NC
| | - Brittany Baur
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - Joseph Fox
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | | | | | - Michael J. Flister
- Medical College of Wisconsin, Departments of Pediatrics and Physiology, Milwaukee, WI
| | - Richard Mott
- University College London Genetics Institute, London, UK
| | - William Valdar
- Department of Genetics, University of North Carolina at Chapel Hill, NC
| | - Leah C Solberg Woods
- Wake Forest School of Medicine, Department of Internal Medicine, Winston Salem, NC
| |
Collapse
|
17
|
Smirnov AV, Kontsevaya GV, Feofanova NA, Anisimova MV, Serova IA, Gerlinskaya LA, Battulin NR, Moshkin MP, Serov OL. Unexpected phenotypic effects of a transgene integration causing a knockout of the endogenous Contactin-5 gene in mice. Transgenic Res 2017; 27:1-13. [PMID: 29264679 DOI: 10.1007/s11248-017-0053-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 12/01/2017] [Indexed: 01/06/2023]
Abstract
Contactins (Cntn1-6) are a family of neuronal membrane proteins expressed in the brain. They are required for establishing cell-to-cell contacts between neurons and for the growth and maturation of the axons. In humans, structural genomic variations in the Contactin genes are implicated in neurodevelopmental disorders. In addition, population genetic studies associate Contactins loci with obesity and hypertension. Cntn5 knockout mice were first described in 2003, but showed no gross physiological or behavioral abnormalities (just minor auditory defects). We report a novel Cntn5 knockout mouse line generated by a random transgene integration as an outcome of pronuclear microinjection. Investigation of the transgene integration site revealed that the 6Kbp transgene construct coding for the human granulocyte-macrophage colony-stimulating factor (hGMCSF) replaced 170 Kbp of the Cntn5 gene, including four exons. Reverse transcription PCR analysis of the Cntn5 transcripts in the wild-type and transgenic mouse lines showed that splicing of the transgene leads to a set of chimeric hGMCSF-Cntn5 transcript variants, none of which encode functional Cntn5 protein due to introduction of stop codons. Although Cntn5 knockout animals displayed no abnormalities in behavior, we noted that they were leaner, with less body mass and fat percentage than wild-type animals. Their cardiovascular parameters (heart rate, blood pressure and blood flow speed) were elevated compared to controls. These findings link Cntn5 deficiency to obesity and hypertension.
Collapse
Affiliation(s)
- Alexander V Smirnov
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia.
| | - Galina V Kontsevaya
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Natalia A Feofanova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Margarita V Anisimova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Irina A Serova
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Lyudmila A Gerlinskaya
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Nariman R Battulin
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - Mikhail P Moshkin
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Oleg L Serov
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia. .,Novosibirsk State University, Novosibirsk, Russia.
| |
Collapse
|
18
|
Direk N, Williams S, Smith JA, Ripke S, Air T, Amare AT, Amin N, Baune BT, Bennett DA, Blackwood DH, Boomsma D, Breen G, Buttenschøn HN, Byrne EM, Børglum AD, Castelao E, Cichon S, Clarke TK, Cornelis MC, Dannlowski U, De Jager PL, Demirkan A, Domenici E, van Duijn CM, Dunn EC, Eriksson JG, Esko T, Faul JD, Ferrucci L, Fornage M, de Geus E, Gill M, Gordon SD, Jörgen Grabe H, van Grootheest G, Hamilton SP, Hartman CA, Heath AC, Hek K, Hofman A, Homuth G, Horn C, Hottenga JJ, Kardia SL, Kloiber S, Koenen K, Kutalik Z, Ladwig KH, Lahti J, Levinson DF, Lewis CM, Lewis G, Li QS, Llewellyn DJ, Lucae S, Lunetta KL, MacIntyre DJ, Madden P, Martin NG, McIntosh AM, Metspalu A, Milaneschi Y, Montgomery GW, Mors O, Mosley TH, Murabito JM, Müller-Myhsok B, Nöthen MM, Nyholt DR, O’Donovan MC, Penninx BW, Pergadia ML, Perlis R, Potash JB, Preisig M, Purcell SM, Quiroz JA, Räikkönen K, Rice JP, Rietschel M, Rivera M, Schulze TG, Shi J, Shyn S, Sinnamon GC, Smit JH, Smoller JW, Snieder H, Tanaka T, Tansey KE, Teumer A, Uher R, Umbricht D, Van der Auwera S, Ware EB, Weir DR, Weissman MM, Willemsen G, Yang J, Zhao W, Tiemeier H, Sullivan PF. An Analysis of Two Genome-wide Association Meta-analyses Identifies a New Locus for Broad Depression Phenotype. Biol Psychiatry 2017; 82:322-329. [PMID: 28049566 PMCID: PMC5462867 DOI: 10.1016/j.biopsych.2016.11.013] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 11/11/2016] [Accepted: 11/22/2016] [Indexed: 10/20/2022]
Abstract
BACKGROUND The genetics of depression has been explored in genome-wide association studies that focused on either major depressive disorder or depressive symptoms with mostly negative findings. A broad depression phenotype including both phenotypes has not been tested previously using a genome-wide association approach. We aimed to identify genetic polymorphisms significantly associated with a broad phenotype from depressive symptoms to major depressive disorder. METHODS We analyzed two prior studies of 70,017 participants of European ancestry from general and clinical populations in the discovery stage. We performed a replication meta-analysis of 28,328 participants. Single nucleotide polymorphism (SNP)-based heritability and genetic correlations were calculated using linkage disequilibrium score regression. Discovery and replication analyses were performed using a p-value-based meta-analysis. Lifetime major depressive disorder and depressive symptom scores were used as the outcome measures. RESULTS The SNP-based heritability of major depressive disorder was 0.21 (SE = 0.02), the SNP-based heritability of depressive symptoms was 0.04 (SE = 0.01), and their genetic correlation was 1.001 (SE = 0.2). We found one genome-wide significant locus related to the broad depression phenotype (rs9825823, chromosome 3: 61,082,153, p = 8.2 × 10-9) located in an intron of the FHIT gene. We replicated this SNP in independent samples (p = .02) and the overall meta-analysis of the discovery and replication cohorts (1.0 × 10-9). CONCLUSIONS This large study identified a new locus for depression. Our results support a continuum between depressive symptoms and major depressive disorder. A phenotypically more inclusive approach may help to achieve the large sample sizes needed to detect susceptibility loci for depression.
Collapse
Affiliation(s)
- Nese Direk
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands,Department of Psychiatry, Dokuz Eylul University, Izmir, Turkey
| | - Stephanie Williams
- Department of Genetics, University of North Carolina at Chapel Hill, NC, USA
| | - Jennifer A. Smith
- Department of Epidemiology, University of Michigan, Ann Arbor, MI, USA
| | - Stephan Ripke
- Stanley Center for Psychiatric Research, The Broad Institute of Harvard and MIT, Cambridge, MA, USA,Analytic and Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA,Department of Psychiatry and Psychotherapy, Charité, Campus Mitte, Berlin, Germany
| | - Tracy Air
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, SA, Australia
| | - Azmeraw T. Amare
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, SA, Australia,Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Najaf Amin
- Genetic Epidemiology Unit, Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Bernhard T. Baune
- Discipline of Psychiatry, School of Medicine, University of Adelaide, Adelaide, SA, Australia
| | - David A. Bennett
- Rush Alzheimer's Disease Center & Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | | | - Dorret Boomsma
- Department of Biological Psychology, VU University, Amsterdam, The Netherlands
| | - Gerome Breen
- MRC SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Henriette N. Buttenschøn
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Denmark,The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark
| | - Enda M. Byrne
- The University of Queensland, Queensland Brain Institute, St. Lucia, Queensland, Australia
| | - Anders D. Børglum
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark,Department of Biomedicine and Centre for Integrative Sequencing, iSEQ, Aarhus University, Denmark
| | - Enrique Castelao
- Departement of Psychiatry, Lausanne University Hospital, Switzerland
| | - Sven Cichon
- Institute of Human Genetics, University of Bonn, Bonn, Germany,Department of Genomics, Life & Brain Center, Bonn, Germany,Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany,Division of Medical Genetics, Department of Biomedicine, University of Basel, Basel, Switzerland
| | | | - Marilyn C. Cornelis
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago IL, USA
| | - Udo Dannlowski
- Department of Psychiatry and Psychotherapy, University of Münster, Münster, Germany
| | - Philip L. De Jager
- Department of Neurology, Program in Translational NeuroPsychiatric Genomics, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA,Harvard Medical School, Boston, Massachusetts, USA,Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Ayse Demirkan
- Genetic Epidemiology Unit, Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Enrico Domenici
- Centre for Integrative Biology, University of Trento, Trento, Italy,Roche Pharmaceutical Research and Early Development, Neuroscience, Ophthalmology and Rare Diseases Discovery & Translational Medicine Area, Roche Innovation Center Basel, F Hoffman-La Roche Ltd., Switzerland
| | - Cornelia M. van Duijn
- Genetic Epidemiology Unit, Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Erin C. Dunn
- Stanley Center for Psychiatric Research, The Broad Institute of Harvard and MIT, Cambridge, MA, USA,Psychiatric and Neurodevelopmental Genetics Unit, Center for Human Genetic Research, Massachusetts General Hospital, Boston, MA, USA,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Johan G. Eriksson
- National Institute for Health and Welfare, Department of Chronic Disease Prevention, Helsinki, Finland,Department of General Practice and Primary Health Care, University of Helsinki, Finland,Unit of General Practice, Helsinki University Central Hospital, Finland,Folkhalsan Research Centre, Helsinki, Finland,Vasa Central Hospital, Vasa, Finland
| | - Tonu Esko
- Estonian Genome Center, University of Tartu, Tartu, Estonia,Division of Endocrinology, Boston Children's Hospital, Cambridge, MA, USA,Program in Medical and Populational Genetics, Broad Institute, Cambridge, MA, USA,Department of Genetics, Harvard Medical School, Boston, MA, USA
| | - Jessica D. Faul
- Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - Luigi Ferrucci
- Translational Gerontology Branch, National Institute on Aging, Baltimore, MD, USA
| | - Myriam Fornage
- Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Eco de Geus
- Department of Biological Psychology, VU University, Amsterdam, The Netherlands
| | - Michael Gill
- Department of Psychiatry, Trinity Centre for Health Science, Dublin, Ireland
| | - Scott D. Gordon
- QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Hans Jörgen Grabe
- Department of Psychiatry and Psychotherapy, Helios Hospital Stralsund, Germany,Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Germany,German Center for Neurodegenerative Diseases (DZNE), Site Rostock/Greifswald, Germany
| | - Gerard van Grootheest
- Department of Psychiatry, Neuroscience Campus Amsterdam and EMGO Institute of Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Steven P. Hamilton
- Department of Psychiatry, Kaiser Permanente San Francisco Medical Center, CA, USA
| | - Catharina A. Hartman
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Andrew C. Heath
- Department of Psychiatry, Washington University St. Louis, Missouri, USA
| | - Karin Hek
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands,Department of Psychiatry, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Albert Hofman
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Georg Homuth
- Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, Germany
| | - Carsten Horn
- Roche Pharmaceutical Research and Early Development, Neuroscience, Ophthalmology and Rare Diseases Discovery & Translational Medicine Area, Roche Innovation Center Basel, F Hoffman-La Roche Ltd., Switzerland
| | - Jouke Jan Hottenga
- Department of Biological Psychology, VU University, Amsterdam, The Netherlands
| | | | | | - Karestan Koenen
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA
| | - Zoltán Kutalik
- Institute of Social and Preventive Medicine (IUMSP), Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Karl-Heinz Ladwig
- Institute of Epidemiology II, Mental Health Research Unit, Helmholtz Zentrum München, German Research Center for Environmental Health, Germany,Department of Psychosomatic Medicine and Psychotherapy, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Jari Lahti
- Folkhalsan Research Centre, Helsinki, Finland,Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland
| | - Douglas F. Levinson
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Cathryn M. Lewis
- MRC SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Glyn Lewis
- Division of Psychiatry, University College London, London, UK
| | | | | | | | - Kathryn L. Lunetta
- Boston University School of Public Health, Department of Biostatistics, Boston, MA, USA,Boston University and NHLBI's Framingham Heart Study, Framingham, MA, USA
| | | | - Pamela Madden
- Department of Psychiatry, Washington University St. Louis, Missouri, USA
| | | | | | - Andres Metspalu
- Estonian Genome Center, University of Tartu, Tartu, Estonia,Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Yuri Milaneschi
- Department of Psychiatry, Neuroscience Campus Amsterdam and EMGO Institute of Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | | | - Ole Mors
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, Denmark,Research Department P, Aarhus University Hospital, Risskov, Denmark
| | - Thomas H. Mosley
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Joanne M. Murabito
- Boston University and NHLBI's Framingham Heart Study, Framingham, MA, USA,Boston University School of Medicine, Department of Medicine, Section of General Internal Medicine, Boston, MA, USA
| | - Bertram Müller-Myhsok
- Max Planck Institute of Psychiatry, Munich, Germany,University of Liverpool, Institute of Translational Medicine, Liverpool, L69 3BX, UK,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Markus M. Nöthen
- Institute of Human Genetics, University of Bonn, Bonn, Germany,Department of Genomics, Life & Brain Center, Bonn, Germany
| | - Dale R. Nyholt
- QIMR Berghofer Medical Research Institute, Brisbane, Australia,Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Michael C. O’Donovan
- MRC Centre for Neuropsychiatric Genetics and Genomics, Institute of Psychological Medicine and Clinical Neurosciences, School of Medicine, Cardiff University, Cardiff, UK
| | - Brenda W. Penninx
- Department of Psychiatry, Neuroscience Campus Amsterdam and EMGO Institute of Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Michele L. Pergadia
- Department of Psychiatry, Washington University St. Louis, Missouri, USA,Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, USA
| | - Roy Perlis
- Center for Experimental Drugs and Diagnostics, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - James B. Potash
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Martin Preisig
- Departement of Psychiatry, Lausanne University Hospital, Switzerland
| | - Shaun M. Purcell
- Division of Psychiatric Genomics, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jorge A. Quiroz
- Roche Pharmaceutical Research and Early Development, Neuroscience, Ophthalmology and Rare Diseases Discovery & Translational Medicine Area, Roche Innovation Center Basel, F Hoffman-La Roche Ltd., Switzerland,Solid GT, Boston, MA, USA
| | - Katri Räikkönen
- Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland
| | - John P. Rice
- Department of Psychiatry, Washington University St. Louis, Missouri, USA
| | - Marcella Rietschel
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Margarita Rivera
- MRC SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK,CIBERSAM-Universidad de Granada, Granada, Spain,Instituto de Investigación Biosanitaria ibs.GRANADA. Hospitales Universitarios de Granada/Universidad de Granada, Granada, Spain
| | - Thomas G. Schulze
- Department of Psychiatry and Psychotherapy, University of Göttingen, Göttingen, Germany,Institute of Psychiatric Phenomics and Genomics, Ludwig-Maximilians-University, Munich, 80336 Munich, Germany
| | - Jianxin Shi
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | | | - Grant C. Sinnamon
- Department of Psychiatry and Psychiatric Neuroscience, School of Medicine and Dentistry, James Cook University, Townsville, QLD, Australia
| | - Johannes H. Smit
- Department of Psychiatry, Neuroscience Campus Amsterdam and EMGO Institute of Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Jordan W. Smoller
- Stanley Center for Psychiatric Research, The Broad Institute of Harvard and MIT, Cambridge, MA, USA,Psychiatric and Neurodevelopmental Genetics Unit, Center for Human Genetic Research, Massachusetts General Hospital, Boston, MA, USA,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Harold Snieder
- Unit of Genetic Epidemiology & Bioinformatics, Department of Epidemiology, University Medical Center Groningen, Groningen, the Netherlands
| | - Toshiko Tanaka
- Translational Gerontology Branch, National Institute on Aging, Baltimore, MD, USA
| | - Katherine E. Tansey
- MRC Centre for Neuropsychiatric Genetics and Genomics, Institute of Psychological Medicine and Clinical Neurosciences, School of Medicine, Cardiff University, Cardiff, UK
| | - Alexander Teumer
- Institute for Community Medicine, University Medicine Greifswald, Germany
| | - Rudolf Uher
- MRC SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK,Dalhousie University, 6299 South St, Halifax, Nova Scotia B3H 4R2, Canada
| | - Daniel Umbricht
- Roche Pharmaceutical Research and Early Development, Neuroscience, Ophthalmology and Rare Diseases Discovery & Translational Medicine Area, Roche Innovation Center Basel, F Hoffman-La Roche Ltd., Switzerland
| | - Sandra Van der Auwera
- Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Germany,German Center for Neurodegenerative Diseases (DZNE), Site Rostock/Greifswald, Germany
| | - Erin B. Ware
- Department of Epidemiology, University of Michigan, Ann Arbor, MI, USA,Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - David R. Weir
- Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - Myrna M. Weissman
- College of Physicians and Surgeons and the Mailman School of Public Health, Columbia University and New York State Psychiatric Institute, New York, NY, USA
| | - Gonneke Willemsen
- Department of Biological Psychology, VU University, Amsterdam, The Netherlands
| | - Jingyun Yang
- Rush Alzheimer's Disease Center & Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Wei Zhao
- Department of Epidemiology, University of Michigan, Ann Arbor, MI, USA
| | - Henning Tiemeier
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam; Department of Psychiatry, Erasmus University Medical Center, Rotterdam.
| | - Patrick F. Sullivan
- Center for Psychiatric Genomics, Department of Genetics, Genomic Medicine, University of North Carolina, Chapel Hill, NC, USA,Department of Psychiatry, University of North Carolina, Chapel Hill, NC, USA,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
| |
Collapse
|
19
|
Kleijer KTE, van Nieuwenhuize D, Spierenburg HA, Gregorio-Jordan S, Kas MJH, Burbach JPH. Structural abnormalities in the primary somatosensory cortex and a normal behavioral profile in Contactin-5 deficient mice. Cell Adh Migr 2017; 12:5-18. [PMID: 28346043 PMCID: PMC5810773 DOI: 10.1080/19336918.2017.1288788] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Contactin-5 (Cntn5) is an immunoglobulin cell adhesion molecule that is exclusively expressed in the central nervous system. In view of its association with neurodevelopmental disorders, particularly autism spectrum disorder (ASD), this study focused on Cntn5-positive areas in the forebrain and aimed to explore the morphological and behavioral phenotypes of the Cntn5 null mutant (Cntn5−/−) mouse in relation to these areas and ASD symptomatology. A newly generated antibody enabled us to elaborately describe the spatial expression pattern of Cntn5 in P7 wild type (Cntn5+/+) mice. The Cntn5 expression pattern included strong expression in the cerebral cortex, hippocampus and mammillary bodies in addition to described previously brain nuclei of the auditory pathway and the dorsal thalamus. Thinning of the primary somatosensory (S1) cortex was found in Cntn5−/− mice and ascribed to a misplacement of Cntn5-ablated cells. This phenotype was accompanied by a reduction in the barrel/septa ratio of the S1 barrel field. The structure and morphology of the hippocampus was intact in Cntn5−/− mice. A set of behavioral experiments including social, exploratory and repetitive behaviors showed that these were unaffected in Cntn5−/− mice. Taken together, these data demonstrate a selective role of Cntn5 in development of the cerebral cortex without overt behavioral phenotypes.
Collapse
Affiliation(s)
- Kristel T E Kleijer
- a Department of Translational Neuroscience , Brain Centre Rudolf Magnus, University Medical Centre Utrecht , Utrecht , the Netherlands
| | - Denise van Nieuwenhuize
- a Department of Translational Neuroscience , Brain Centre Rudolf Magnus, University Medical Centre Utrecht , Utrecht , the Netherlands
| | - Henk A Spierenburg
- a Department of Translational Neuroscience , Brain Centre Rudolf Magnus, University Medical Centre Utrecht , Utrecht , the Netherlands
| | - Sara Gregorio-Jordan
- a Department of Translational Neuroscience , Brain Centre Rudolf Magnus, University Medical Centre Utrecht , Utrecht , the Netherlands
| | - Martien J H Kas
- a Department of Translational Neuroscience , Brain Centre Rudolf Magnus, University Medical Centre Utrecht , Utrecht , the Netherlands
| | - J Peter H Burbach
- a Department of Translational Neuroscience , Brain Centre Rudolf Magnus, University Medical Centre Utrecht , Utrecht , the Netherlands
| |
Collapse
|
20
|
Vaht M, Laas K, Kiive E, Parik J, Veidebaum T, Harro J. A functional neuregulin-1 gene variant and stressful life events: Effect on drug use in a longitudinal population-representative cohort study. J Psychopharmacol 2017; 31:54-61. [PMID: 27353026 DOI: 10.1177/0269881116655979] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND The neuregulin 1 gene is a susceptibility gene for substance dependence. A functional polymorphism (SNP8NRG243177/rs6994992; C/T) in the promoter region of the brain-specific type IV neuregulin-1 gene ( NRG1) has been associated with psychiatric disorders (e.g. schizophrenia and bipolar disorder) that often present higher odds of smoking, alcohol and illicit drug use. This study assessed the association of the NRG1 genotype with drug use and possible interaction with stressful life events (SLEs). METHODS The database of the Estonian Children Personality Behaviour and Health Study (beginning in 1998) was used. Cohorts of children initially 9 years old ( n=583; followed up at 15 and 18 years) and 15 years old ( n=593; followed up at 18 and 25 years) provided self-reports on alcohol, tobacco and illicit substance use and SLEs. Psychiatric assessment based on DSM-IV was carried out on the older birth cohort at age 25 to assess the lifetime presence of substance use disorders. NRG1 rs6994992 was genotyped in all participants by TaqMan® Pre-Designed SNP Genotyping Assay on the Applied Biosystems ViiA™ 7 Real-Time PCR System. The minor (T) allele frequency was 0.37. RESULTS NRG1 rs6994992 C/C homozygotes, especially those who had experienced more SLEs, were more likely to develop alcohol use disorders by young adulthood, were generally more active consumers of tobacco products, and had more likely used illicit drugs. In T allele carriers, SLEs had a negligible effect on substance use. CONCLUSIONS In humans, NRG1 genotype is associated with substance use, and this relationship is moderated by adverse life events, with a gain-of-function allele being protective.
Collapse
Affiliation(s)
- Mariliis Vaht
- 1 Division of Neuropsychopharmacology, Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Tartu, Estonia
| | - Kariina Laas
- 1 Division of Neuropsychopharmacology, Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Tartu, Estonia
| | - Evelyn Kiive
- 2 Division of Special Education, Department of Education, University of Tartu, Tartu, Estonia
| | - Jüri Parik
- 3 Department of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Toomas Veidebaum
- 4 National Institute for Health Development, Estonian Centre of Behavioural and Health Sciences, Tallinn, Estonia
| | - Jaanus Harro
- 1 Division of Neuropsychopharmacology, Department of Psychology, Estonian Centre of Behavioural and Health Sciences, University of Tartu, Tartu, Estonia
| |
Collapse
|
21
|
Li Y, Qiao X, Yin F, Guo H, Huang X, Lai J, Wei S. A Population-Based Study of Four Genes Associated with Heroin Addiction in Han Chinese. PLoS One 2016; 11:e0163668. [PMID: 27676367 PMCID: PMC5038970 DOI: 10.1371/journal.pone.0163668] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 09/11/2016] [Indexed: 12/11/2022] Open
Abstract
Recent studies have shown that variants in FAT atypical cadherin 3 (FAT3), kinectin 1 (KTN1), discs large homolog2 (DLG2) and deleted in colorectal cancer (DCC) genes influence the structure of the human mesolimbic reward system. We conducted a systematic analysis of the potential functional single nucleotide polymorphisms (SNPs) in these genes associated with heroin addiction. We scanned the functional regions of these genes and identified 20 SNPs for genotyping by using the SNaPshot method. A total of 1080 samples, comprising 523 cases and 557 controls, were analyzed. We observed that DCC rs16956878, rs12607853, and rs2292043 were associated with heroin addiction. The T alleles of rs16956878 (p = 0.0004) and rs12607853 (p = 0.002) were significantly enriched in the case group compared with the controls. A lower incidence of the C allele of rs2292043 (p = 0.002) was observed in the case group. In block 2 of DCC (rs2292043-rs12607853-rs16956878), the frequency of the T-T-T haplotype was significantly higher in the case group than in the control group (p = 0.024), and fewer C-C-C haplotypes (p = 0.006) were detected in the case group. DCC may be an important candidate gene in heroin addiction, and rs16956878, rs12607853, and rs2292043 may be risk factors, thereby providing a basis for further genetic and biological research.
Collapse
Affiliation(s)
- Yunxiao Li
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
| | - Xiaomeng Qiao
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
| | - Fangyuan Yin
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
| | - Hao Guo
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
| | - Xin Huang
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
| | - Jianghua Lai
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, PR China
| | - Shuguang Wei
- College of Forensic Science, Xi’an Jiaotong University, Key Laboratory of Ministry of Public Health for Forensic Science, Xi’an, PR China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, PR China
- * E-mail:
| |
Collapse
|
22
|
Simon PHG, Sylvestre MP, Tremblay J, Hamet P. Key Considerations and Methods in the Study of Gene-Environment Interactions. Am J Hypertens 2016; 29:891-9. [PMID: 27037711 DOI: 10.1093/ajh/hpw021] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 02/08/2016] [Indexed: 12/16/2022] Open
Abstract
With increased involvement of genetic data in most epidemiological investigations, gene-environment (G × E) interactions now stand as a topic, which must be meticulously assessed and thoroughly understood. The level, mode, and outcomes of interactions between environmental factors and genetic traits have the capacity to modulate disease risk. These must, therefore, be carefully evaluated as they have the potential to offer novel insights on the "missing heritability problem", reaching beyond our current limitations. First, we review a definition of G × E interactions. We then explore how concepts such as the early manifestation of the genetic components of a disease, the heterogeneity of complex traits, the clear definition of epidemiological strata, and the effect of varying physiological conditions can affect our capacity to detect (or miss) G × E interactions. Lastly, we discuss the shortfalls of regression models to study G × E interactions and how other methods such as the ReliefF algorithm, pattern recognition methods, or the LASSO (Least Absolute Shrinkage and Selection Operator) method can enable us to more adequately model G × E interactions. Overall, we present the elements to consider and a path to follow when studying genetic determinants of disease in order to uncover potential G × E interactions.
Collapse
Affiliation(s)
- Paul H G Simon
- CHUM Research Center, Centre hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Marie-Pierre Sylvestre
- CHUM Research Center, Centre hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Johanne Tremblay
- CHUM Research Center, Centre hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Pavel Hamet
- CHUM Research Center, Centre hospitalier de l'Université de Montréal, Montréal, Québec, Canada.
| |
Collapse
|
23
|
Yen AMF, Boucher BJ, Chiu SYH, Fann JCY, Chen SLS, Huang KC, Chen HH. Longer Duration and Earlier Age of Onset of Paternal Betel Chewing and Smoking Increase Metabolic Syndrome Risk in Human Offspring, Independently, in a Community-Based Screening Program in Taiwan. Circulation 2016; 134:392-404. [PMID: 27448815 DOI: 10.1161/circulationaha.116.021511] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 05/18/2016] [Indexed: 11/16/2022]
Abstract
BACKGROUND Transgenerational effects of paternal Areca catechu nut chewing on offspring metabolic syndrome (MetS) risk in humans, on obesity and diabetes mellitus experimentally, and of paternal smoking on offspring obesity, are reported, likely attributable to genetic and epigenetic effects previously reported in betel-associated disease. We aimed to determine the effects of paternal smoking, and betel chewing, on the risks of early MetS in human offspring. METHODS The 13 179 parent-child trios identified from 238 364 Taiwanese aged ≥20 years screened at 2 community-based integrated screening sessions were tested for the effects of paternal smoking, areca nut chewing, and their duration prefatherhood on age of detecting offspring MetS at screen by using a Cox proportional hazards regression model. RESULTS Offspring MetS risks increased with prefatherhood paternal areca nutusage (adjusted hazard ratio, 1.77; 95% confidence interval [CI], 1.23-2.53) versus nonchewing fathers (adjusted hazard ratio, 3.28; 95% CI, 1.67-6.43) with >10 years paternal betel chewing, 1.62 (95% CI, 0.88-2.96) for 5 to 9 years, and 1.42 (95% CI, 0.80-2.54) for <5 years betel usage prefatherhood (Ptrend=0.0002), with increased risk (adjusted hazard ratio, 1.95; 95% CI, 1.26-3.04) for paternal areca nut usage from 20 to 29 years of age, versus from >30 years of age (adjusted hazard ratio,1.61; 95% CI, 0.22-11.69). MetS offspring risk for paternal smoking increased dosewise (Ptrend<0.0001) with earlier age of onset (Ptrend=0.0009), independently. CONCLUSIONS Longer duration of paternal betel quid chewing and smoking, prefatherhood, independently predicted early occurrence of incident MetS in offspring, corroborating previously reported transgenerational effects of these habits, and supporting the need for habit-cessation program provision.
Collapse
Affiliation(s)
- Amy Ming-Fang Yen
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.)
| | - Barbara J Boucher
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.)
| | - Sherry Yueh-Hsia Chiu
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.)
| | - Jean Ching-Yuan Fann
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.)
| | - Sam Li-Sheng Chen
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.)
| | - Kuo-Chin Huang
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.)
| | - Hsiu-Hsi Chen
- From School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan (A.M.-F., S.L.-S.C.); Blizard Institute, Barts & The London School of Medicine & Dentistry, Queen Mary University of London, London, United Kingdom (B.J.B.); Department of Health Care Management, College of Management, Chang Gung University, Tao-Yuan, Taiwan (S.Y.-H.C.); Department of Health Industry Management, School of Healthcare Management, Kainan University, Tao-Yuan, Taiwan (J.C.-Y.F.); Department of Family Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan (K.-C.H.); and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (H.-H.C.).
| |
Collapse
|
24
|
Contactin-5 expression during development and wiring of the thalamocortical system. Neuroscience 2015; 310:106-13. [DOI: 10.1016/j.neuroscience.2015.09.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 09/13/2015] [Accepted: 09/14/2015] [Indexed: 01/06/2023]
|
25
|
Yarosh HL, Meda SA, de Wit H, Hart AB, Pearlson GD. Multivariate analysis of subjective responses to d-amphetamine in healthy volunteers finds novel genetic pathway associations. Psychopharmacology (Berl) 2015; 232:2781-94. [PMID: 25843748 PMCID: PMC4504822 DOI: 10.1007/s00213-015-3914-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Accepted: 03/06/2015] [Indexed: 11/24/2022]
Abstract
RATIONALE Researchers studying behavioral and physiologic effects of d-amphetamine have explored individual response differences to the drug. Concurrently, genome-wide analyses have identified several single-nucleotide polymorphisms (SNPs) associated with these traits. Univariate methods can identify SNPs associated with behavioral and physiological traits, but multivariate analyses allow identification of clusters of related biologically relevant SNPs and behavioral components. OBJECTIVES The aim of the study was to identify clusters of related biologically relevant SNPs and behavioral components in the responses of healthy individuals to d-amphetamine using multivariate analysis. METHODS Individuals (N = 375) without substance abuse histories completed surveys and detailed cardiovascular monitoring during randomized, blinded sessions: d-amphetamine (10 and 20 mg) and placebo. We applied parallel independent component analysis (Para-ICA) to data previously analyzed with univariate approaches, revealing new associations between genes and behavioral responses to d-amphetamine. RESULTS Three significantly associated (p < .001) phenotype-genotype pairs emerged. The first component included physiologic measures of systolic and diastolic blood pressure (BP) and mean arterial pressure (MAP) along with SNPs in calcium and glutamatergic signaling pathways. The second associated components included the "Anger" items from the Profile of Mood States (POMS) questionnaire and the marijuana effects from the Addiction Research Center Inventory (Cuyas, Verdejo-Garcia et al.), with enriched genetic pathways involved in cardiomyopathy and MAPK signaling. The final pair included "Anxious," "Fatigue," and "Confusion" items from the POMS questionnaire, plus functional pathways related to cardiac muscle contraction and cardiomyopathy. CONCLUSIONS Multifactorial genetic networks related to calcium signaling, glutamatergic and dopaminergic synapse function, and amphetamine addiction appear to mediate common behavioral and cardiovascular responses to d-amphetamine.
Collapse
Affiliation(s)
- Haley L. Yarosh
- Olin Neuropsychiatry Research Center, Institute of Living at Hartford Hospital, Hartford, Connecticut,Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Shashwath A. Meda
- Olin Neuropsychiatry Research Center, Institute of Living at Hartford Hospital, Hartford, Connecticut
| | - Harriet de Wit
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, Illinois
| | - Amy B. Hart
- Department of Human Genetics, University of Chicago, Chicago, Illinois
| | - Godfrey D. Pearlson
- Olin Neuropsychiatry Research Center, Institute of Living at Hartford Hospital, Hartford, Connecticut,Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut,Department of Neurobiology, Yale University School of Medicine, New Haven, Connecticut
| |
Collapse
|
26
|
Integrating GWASs and human protein interaction networks identifies a gene subnetwork underlying alcohol dependence. Am J Hum Genet 2013; 93:1027-34. [PMID: 24268660 DOI: 10.1016/j.ajhg.2013.10.021] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 10/14/2013] [Accepted: 10/21/2013] [Indexed: 12/31/2022] Open
Abstract
Despite a significant genetic contribution to alcohol dependence (AD), few AD-risk genes have been identified to date. In the current study, we aimed to integrate genome-wide association studies (GWASs) and human protein interaction networks to investigate whether a subnetwork of genes whose protein products interact with one another might collectively contribute to AD. By using two discovery GWAS data sets of the Study of Addiction: Genetics and Environment (SAGE) and the Collaborative Study on the Genetics of Alcoholism (COGA), we identified a subnetwork of 39 genes that not only was enriched for genes associated with AD, but also collectively associated with AD in both European Americans (p < 0.0001) and African Americans (p = 0.0008). We replicated the association of the gene subnetwork with AD in three independent samples, including two samples of European descent (p = 0.001 and p = 0.006) and one sample of African descent (p = 0.0069). To evaluate whether the significant associations are likely to be false-positive findings and to ascertain their specificity, we examined the same gene subnetwork in three other human complex disorders (bipolar disorder, major depressive disorder, and type 2 diabetes) and found no significant associations. Functional enrichment analysis revealed that the gene subnetwork was enriched for genes involved in cation transport, synaptic transmission, and transmission of nerve impulses, all of which are biologically meaningful processes that may underlie the risk for AD. In conclusion, we identified a gene subnetwork underlying AD that is biologically meaningful and highly reproducible, providing important clues for future research into AD etiology and treatment.
Collapse
|
27
|
Zuko A, Kleijer KTE, Oguro-Ando A, Kas MJH, van Daalen E, van der Zwaag B, Burbach JPH. Contactins in the neurobiology of autism. Eur J Pharmacol 2013; 719:63-74. [PMID: 23872404 DOI: 10.1016/j.ejphar.2013.07.016] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Revised: 06/18/2013] [Accepted: 07/01/2013] [Indexed: 12/21/2022]
Abstract
Autism is a disease of brain plasticity. Inspiring work of Willem Hendrik Gispen on neuronal plasticity has stimulated us to investigate gene defects in autism and the consequences for brain development. The central process in the pathogenesis of autism is local dendritic mRNA translation which is dependent on axodendritic communication. Hence, most autism-related gene products (i) are part of the protein synthesis machinery itself, (ii) are components of the mTOR signal transduction pathway, or (iii) shape synaptic activity and plasticity. Accordingly, prototype drugs have been recognized that interfere with these pathways. The contactin (CNTN) family of Ig cell adhesion molecules (IgCAMs) harbours at least three members that have genetically been implicated in autism: CNTN4, CNTN5, and CNTN6. In this chapter we review the genetic and neurobiological data underpinning their role in normal and abnormal development of brain systems, and the consequences for behavior. Although data on each of these CNTNs are far from complete, we tentatively conclude that these three contactins play roles in brain development in a critical phase of establishing brain systems and their plasticity. They modulate neuronal activities, such as neurite outgrowth, synaptogenesis, survival, guidance of projections and terminal branching of axons in forming neural circuits. Current research on these CNTNs concentrate on the neurobiological mechanism of their developmental functions. A future task will be to establish if proposed pharmacological strategies to counteract ASD-related symptomes can also be applied to reversal of phenotypes caused by genetic defects in these CNTN genes.
Collapse
Affiliation(s)
- Amila Zuko
- Department of Neuroscience and Pharmacology, Brain Center Rudolf Magnus, UMC Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - Kristel T E Kleijer
- Department of Neuroscience and Pharmacology, Brain Center Rudolf Magnus, UMC Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - Asami Oguro-Ando
- Department of Neuroscience and Pharmacology, Brain Center Rudolf Magnus, UMC Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - Martien J H Kas
- Department of Neuroscience and Pharmacology, Brain Center Rudolf Magnus, UMC Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - Emma van Daalen
- Department of Psychiatry, Brain Center Rudolf Magnus, UMC Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - Bert van der Zwaag
- Department of Medical Genetics, University Medical Center Utrecht, 3584 CG Utrecht, The Netherlands
| | - J Peter H Burbach
- Department of Neuroscience and Pharmacology, Brain Center Rudolf Magnus, UMC Medical Center Utrecht, 3584 CG Utrecht, The Netherlands.
| |
Collapse
|
28
|
Sharif J, Shinkai Y, Koseki H. Is there a role for endogenous retroviruses to mediate long-term adaptive phenotypic response upon environmental inputs? Philos Trans R Soc Lond B Biol Sci 2013; 368:20110340. [PMID: 23166400 DOI: 10.1098/rstb.2011.0340] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Endogenous retroviruses (ERVs) are long terminal repeat-containing virus-like elements that have colonized approximately 10 per cent of the present day mammalian genomes. The intracisternal A particles (IAPs) are a class of ERVs that is currently highly active in the rodents. IAP elements can influence the transcription profile of nearby genes by providing functional promoter elements and modulating local epigenetic landscape through changes in DNA methylation and histone (H3K9) modifications. Despite the potential role for IAPs in gene regulation, the precise genomic locations where these elements are integrated are not well understood. To address this issue, we have identified more than 400 novel IAP insertion sites within/near annotated genes by searching the murine genome, which suggests that the impact of IAP elements on local and/or global gene regulation could be more profound than was previously expected. On the basis of our independent analyses and already published reports, here we argue that IAPs and ERV elements in general could have an evolutionary role for modulating phenotypic plasticity upon environmental inputs, and that this could be mediated through specific stages of embryonic development such as placentation during which the epigenetic constraints on IAP elements are partially relaxed.
Collapse
Affiliation(s)
- Jafar Sharif
- Developmental Genetics Group, RIKEN Research Center for Allergy & Immunology, 1-7-22 Suehiro-cho, Tsurumi, Yokohama, 230-0045 Kanagawa, Japan.
| | | | | |
Collapse
|
29
|
Wang F, Gelernter J, Zhang H. Differential Expression of miR-130a in Postmortem Prefrontal Cortex of Subjects with Alcohol Use Disorders. ACTA ACUST UNITED AC 2013; 4. [PMID: 25383235 DOI: 10.4172/2155-6105.1000155] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Emerging evidence suggests that neuroadaptations to alcohol may result from chronic alcohol consumption-induced expression changes of microRNAs (miRNAs) and their target genes. Studies with animal or cell culture models have demonstrated that ethanol exposure leads to miRNA expression alterations. However, there is limited information on miRNA expression in the brains of subjects with alcohol use disorders (AUDs). The present study aimed to analyze expression changes of miRNAs and their target genes in postmortem prefrontal cortex (PFC) of AUD subjects. METHODS Genome-wide miRNA and mRNA expression was examined in postmortem PFC of 23 European Australia AUD cases and 23 matched controls using the Illumina HumanHT-12 v4 Expression BeadChip array, which targets 43,270 coding transcripts and 3,961 non-coding transcripts (including 574 miRNA transcripts). Multiple linear regression analysis and permutation test were performed to identify differentially expressed miRNAs and their target mRNAs. Target gene prediction, Gene Set Enrichment Analysis (GESA), and DAVID functional annotation clustering analysis were applied to identify AUD-associated gene sets and biological modules. RESULTS Two miRNAs and 787 coding genes were differentially expressed in the PFC of AUD cases [miR-130a (downregulated): Ppermutation=0.023, miR-604 (upregulated): Ppermutation=0.019, coding genes: 1.6×10-5≤Ppermutation≤0.05; but all P values did not survive multiple-testing correction]. GESA showed that the 202 predicted target genes of miR-130a were highly enriched in differentially expressed genes (Pnominal<0.001), but not the 116 predicted target genes of miR-604 (Pnominal=0.404). DAVID functional clustering further revealed that the hub target genes (e.g., ITPR2 and ATP1A2) of miRNA130a were mainly responsible for regulating ion channel function. CONCLUSION This study provides evidence that downregulation of miR-130a may lead to altered expression of a number of genes in the PFC of AUD subjects. Further studies are warranted to confirm these findings in replication samples and other reward-related brain regions.
Collapse
Affiliation(s)
- Fan Wang
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA ; VA Medical Center, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Joel Gelernter
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA ; Department of Neurobiology, Yale University School of Medicine, New Haven, CT, USA ; VA Medical Center, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Huiping Zhang
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA ; VA Medical Center, VA Connecticut Healthcare System, West Haven, CT, USA
| |
Collapse
|
30
|
Abstract
Technology continues to lead the field of personalized medicine as the interpretation of the human genome is progressing. The cost and duration of genomic sequencing continue to decrease sharply and there is intensive research aimed at understanding how the changes that occur within the genome can alter its function and the genomic variations that constitute individual susceptibility to diseases and responses to therapy. The overlay of a personal genome with the personal medical record of patients has a potential to improve prediction and prevention and to allow a more pro-active therapeutic strategy. It is evident that pharmacogenomics and individualized drug therapy are the building blocks of personalized medicine. A growing number of drugs are now used for the treatment of cancer in subjects selected by a companion genetic test. Personalized medicine while based upon genomic knowledge of the individual requires equally essential personalised environmental information as well as the understanding of every subject's capacity for health-promoting behaviour.
Collapse
Affiliation(s)
- Johanne Tremblay
- Research Centre, Centre hospitalier de l'Université de Montréal-Technopôle Angus, 2901 Rachel Street East, Room 314, H1W 4A4, Montreal, Quebec, Canada
| | | |
Collapse
|
31
|
|