Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism influences the association of the methylome with maternal anxiety and neonatal brain volumes / Li CHEN in Development and Psychopathology, 27-1 (February 2015)  

Public ISBD [article]  inDevelopment and Psychopathology > 27-1 (February 2015) . - p.137-150 Titre : Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism influences the association of the methylome with maternal anxiety and neonatal brain volumes Type de document : texte imprimé Auteurs : Li CHEN, Auteur ; Hong PAN, Auteur ; Ta Anh TUAN, Auteur ; Ai Ling TEH, Auteur ; Julia L. MACISAAC, Auteur ; Sarah M. MAH, Auteur ; Lisa M. MCEWEN, Auteur ; Yue LI, Auteur ; Helen CHEN, Auteur ; Birit F.P. BROEKMAN, Auteur ; Jan Paul BUSCHDORF, Auteur ; Yap Seng CHONG, Auteur ; Kenneth KWEK, Auteur ; Seang Mei SAW, Auteur ; Peter D. GLUCKMAN, Auteur ; Marielle V. FORTIER, Auteur ; Anne RIFKIN-GRABOI, Auteur ; Michael S. KOBOR, Auteur ; Anqi QIU, Auteur ; Michael J. MEANEY, Auteur ; Joanna D. HOLBROOK, Auteur Article en page(s) : p.137-150 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Early life environments interact with genotype to determine stable phenotypic outcomes. Here we examined the influence of a variant in the brain-derived neurotropic factor (BDNF) gene (Val66Met), which underlies synaptic plasticity throughout the central nervous system, on the degree to which antenatal maternal anxiety associated with neonatal DNA methylation. We also examined the association between neonatal DNA methylation and brain substructure volume, as a function of BDNF genotype. Infant, but not maternal, BDNF genotype dramatically influences the association of antenatal anxiety on the epigenome at birth as well as that between the epigenome and neonatal brain structure. There was a greater impact of antenatal maternal anxiety on the DNA methylation of infants with the methionine (Met)/Met compared to both Met/valine (Val) and Val/Val genotypes. There were significantly more cytosine–phosphate–guanine sites where methylation levels covaried with right amygdala volume among Met/Met compared with both Met/Val and Val/Val carriers. In contrast, more cytosine–phosphate–guanine sites covaried with left hippocampus volume in Val/Val infants compared with infants of the Met/Val or Met/Met genotype. Thus, antenatal Maternal Anxiety × BDNF Val66Met Polymorphism interactions at the level of the epigenome are reflected differently in the structure of the amygdala and the hippocampus. These findings suggest that BDNF genotype regulates the sensitivity of the methylome to early environment and that differential susceptibility to specific environmental conditions may be both tissue and function specific. En ligne : http://dx.doi.org/10.1017/S0954579414001357 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=257 [article] Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism influences the association of the methylome with maternal anxiety and neonatal brain volumes [texte imprimé] / Li CHEN, Auteur ; Hong PAN, Auteur ; Ta Anh TUAN, Auteur ; Ai Ling TEH, Auteur ; Julia L. MACISAAC, Auteur ; Sarah M. MAH, Auteur ; Lisa M. MCEWEN, Auteur ; Yue LI, Auteur ; Helen CHEN, Auteur ; Birit F.P. BROEKMAN, Auteur ; Jan Paul BUSCHDORF, Auteur ; Yap Seng CHONG, Auteur ; Kenneth KWEK, Auteur ; Seang Mei SAW, Auteur ; Peter D. GLUCKMAN, Auteur ; Marielle V. FORTIER, Auteur ; Anne RIFKIN-GRABOI, Auteur ; Michael S. KOBOR, Auteur ; Anqi QIU, Auteur ; Michael J. MEANEY, Auteur ; Joanna D. HOLBROOK, Auteur . - p.137-150. Langues : Anglais (eng) in Development and Psychopathology > 27-1 (February 2015) . - p.137-150 Index. décimale : PER Périodiques Résumé : Early life environments interact with genotype to determine stable phenotypic outcomes. Here we examined the influence of a variant in the brain-derived neurotropic factor (BDNF) gene (Val66Met), which underlies synaptic plasticity throughout the central nervous system, on the degree to which antenatal maternal anxiety associated with neonatal DNA methylation. We also examined the association between neonatal DNA methylation and brain substructure volume, as a function of BDNF genotype. Infant, but not maternal, BDNF genotype dramatically influences the association of antenatal anxiety on the epigenome at birth as well as that between the epigenome and neonatal brain structure. There was a greater impact of antenatal maternal anxiety on the DNA methylation of infants with the methionine (Met)/Met compared to both Met/valine (Val) and Val/Val genotypes. There were significantly more cytosine–phosphate–guanine sites where methylation levels covaried with right amygdala volume among Met/Met compared with both Met/Val and Val/Val carriers. In contrast, more cytosine–phosphate–guanine sites covaried with left hippocampus volume in Val/Val infants compared with infants of the Met/Val or Met/Met genotype. Thus, antenatal Maternal Anxiety × BDNF Val66Met Polymorphism interactions at the level of the epigenome are reflected differently in the structure of the amygdala and the hippocampus. These findings suggest that BDNF genotype regulates the sensitivity of the methylome to early environment and that differential susceptibility to specific environmental conditions may be both tissue and function specific. En ligne : http://dx.doi.org/10.1017/S0954579414001357 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=257

Differential DNA methylation in peripheral blood mononuclear cells in adolescents exposed to significant early but not later childhood adversity / Elisa A. ESPOSITO in Development and Psychopathology, 28-4 pt2 (November 2016)  

Public ISBD [article]  inDevelopment and Psychopathology > 28-4 pt2 (November 2016) . - p.1385-1399 Titre : Differential DNA methylation in peripheral blood mononuclear cells in adolescents exposed to significant early but not later childhood adversity Type de document : texte imprimé Auteurs : Elisa A. ESPOSITO, Auteur ; Meaghan J. JONES, Auteur ; Jenalee R. DOOM, Auteur ; Julia L. MACISAAC, Auteur ; Megan R. GUNNAR, Auteur ; Michael S. KOBOR, Auteur Article en page(s) : p.1385-1399 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Internationally adopted adolescents who are adopted as young children from conditions of poverty and deprivation have poorer physical and mental health outcomes than do adolescents conceived, born, and raised in the United States by families similar to those who adopt internationally. Using a sample of Russian and Eastern European adoptees to control for Caucasian race and US birth, and nonadopted offspring of well-educated and well-resourced parents to control for postadoption conditions, we hypothesized that the important differences in environments, conception to adoption, might be reflected in epigenetic patterns between groups, specifically in DNA methylation. Thus, we conducted an epigenome-wide association study to compare DNA methylation profiles at approximately 416,000 individual CpG loci from peripheral blood mononuclear cells of 50 adopted youth and 33 nonadopted youth. Adopted youth averaged 22 months at adoption, and both groups averaged 15 years at testing; thus, roughly 80% of their lives were lived in similar circumstances. Although concurrent physical health did not differ, cell-type composition predicted using the DNA methylation data revealed a striking difference in the white blood cell-type composition of the adopted and nonadopted youth. After correcting for cell type and removing invariant probes, 30 CpG sites in 19 genes were more methylated in the adopted group. We also used an exploratory functional analysis that revealed that 223 gene ontology terms, clustered in neural and developmental categories, were significantly enriched between groups. En ligne : http://dx.doi.org/10.1017/s0954579416000055 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294 [article] Differential DNA methylation in peripheral blood mononuclear cells in adolescents exposed to significant early but not later childhood adversity [texte imprimé] / Elisa A. ESPOSITO, Auteur ; Meaghan J. JONES, Auteur ; Jenalee R. DOOM, Auteur ; Julia L. MACISAAC, Auteur ; Megan R. GUNNAR, Auteur ; Michael S. KOBOR, Auteur . - p.1385-1399. Langues : Anglais (eng) in Development and Psychopathology > 28-4 pt2 (November 2016) . - p.1385-1399 Index. décimale : PER Périodiques Résumé : Internationally adopted adolescents who are adopted as young children from conditions of poverty and deprivation have poorer physical and mental health outcomes than do adolescents conceived, born, and raised in the United States by families similar to those who adopt internationally. Using a sample of Russian and Eastern European adoptees to control for Caucasian race and US birth, and nonadopted offspring of well-educated and well-resourced parents to control for postadoption conditions, we hypothesized that the important differences in environments, conception to adoption, might be reflected in epigenetic patterns between groups, specifically in DNA methylation. Thus, we conducted an epigenome-wide association study to compare DNA methylation profiles at approximately 416,000 individual CpG loci from peripheral blood mononuclear cells of 50 adopted youth and 33 nonadopted youth. Adopted youth averaged 22 months at adoption, and both groups averaged 15 years at testing; thus, roughly 80% of their lives were lived in similar circumstances. Although concurrent physical health did not differ, cell-type composition predicted using the DNA methylation data revealed a striking difference in the white blood cell-type composition of the adopted and nonadopted youth. After correcting for cell type and removing invariant probes, 30 CpG sites in 19 genes were more methylated in the adopted group. We also used an exploratory functional analysis that revealed that 223 gene ontology terms, clustered in neural and developmental categories, were significantly enriched between groups. En ligne : http://dx.doi.org/10.1017/s0954579416000055 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294

Maternal antenatal depression and child mental health: Moderation by genomic risk for attention-deficit/hyperactivity disorder / Lawrence M. CHEN in Development and Psychopathology, 32-5 (December 2020)  

Public ISBD [article]  inDevelopment and Psychopathology > 32-5 (December 2020) . - p.1810-1821 Titre : Maternal antenatal depression and child mental health: Moderation by genomic risk for attention-deficit/hyperactivity disorder Type de document : texte imprimé Auteurs : Lawrence M. CHEN, Auteur ; Marieke S. TOLLENAAR, Auteur ; Shantala A. HARI DASS, Auteur ; Andrée-Anne BOUVETTE-TURCOT, Auteur ; Irina POKHVISNEVA, Auteur ; Helene GAUDREAU, Auteur ; Carine PARENT, Auteur ; Josie DIORIO, Auteur ; Lisa M. MCEWEN, Auteur ; Julia L. MACISAAC, Auteur ; Michael S. KOBOR, Auteur ; Roseriet BEIJERS, Auteur ; Carolina DE WEERTH, Auteur ; Patricia P. SILVEIRA, Auteur ; Sherif KARAMA, Auteur ; Michael J. MEANEY, Auteur ; Kieran J. O'DONNELL, Auteur Article en page(s) : p.1810-1821 Langues : Anglais (eng) Mots-clés : *Attention Deficit Disorder with Hyperactivity/genetics  Child  Depression/genetics  Female  Genomics  Humans  Mental Health  Mothers  Pregnancy  *adhd  *child development  *gene by environment (GxE)  *perinatal mental health  *polygenic risk score Index. décimale : PER Périodiques Résumé : Maternal antenatal depression strongly influences child mental health but with considerable inter-individual variation that is, in part, linked to genotype. The challenge is to effectively capture the genotypic influence. We outline a novel approach to describe genomic susceptibility to maternal antenatal depression focusing on child emotional/behavioral difficulties. Two cohorts provided measures of maternal depression, child genetic variation, and child mental health symptoms. We constructed a conventional polygenic risk score (PRS) for attention-deficit/hyperactivity disorder (ADHD) (PRSADHD) that significantly moderated the association between maternal antenatal depression and internalizing problems at 60 months (p = 2.94 × 10-4, R2 = .18). We then constructed an interaction PRS (xPRS) based on a subset of those single nucleotide polymorphisms from the PRSADHD that most accounted for the moderation of the association between maternal antenatal depression and child outcome. The interaction between maternal antenatal depression and this xPRS accounted for a larger proportion of the variance in child emotional/behavioral problems than models based on any PRSADHD (p = 5.50 × 10-9, R2 = .27), with similar findings in the replication cohort. The xPRS was significantly enriched for genes involved in neuronal development and synaptic function. Our study illustrates a novel approach to the study of genotypic moderation on the impact of maternal antenatal depression on child mental health and highlights the utility of the xPRS approach. These findings advance our understanding of individual differences in the developmental origins of mental health. En ligne : http://dx.doi.org/10.1017/s0954579420001418 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=437 [article] Maternal antenatal depression and child mental health: Moderation by genomic risk for attention-deficit/hyperactivity disorder [texte imprimé] / Lawrence M. CHEN, Auteur ; Marieke S. TOLLENAAR, Auteur ; Shantala A. HARI DASS, Auteur ; Andrée-Anne BOUVETTE-TURCOT, Auteur ; Irina POKHVISNEVA, Auteur ; Helene GAUDREAU, Auteur ; Carine PARENT, Auteur ; Josie DIORIO, Auteur ; Lisa M. MCEWEN, Auteur ; Julia L. MACISAAC, Auteur ; Michael S. KOBOR, Auteur ; Roseriet BEIJERS, Auteur ; Carolina DE WEERTH, Auteur ; Patricia P. SILVEIRA, Auteur ; Sherif KARAMA, Auteur ; Michael J. MEANEY, Auteur ; Kieran J. O'DONNELL, Auteur . - p.1810-1821. Langues : Anglais (eng) in Development and Psychopathology > 32-5 (December 2020) . - p.1810-1821 Mots-clés : *Attention Deficit Disorder with Hyperactivity/genetics  Child  Depression/genetics  Female  Genomics  Humans  Mental Health  Mothers  Pregnancy  *adhd  *child development  *gene by environment (GxE)  *perinatal mental health  *polygenic risk score Index. décimale : PER Périodiques Résumé : Maternal antenatal depression strongly influences child mental health but with considerable inter-individual variation that is, in part, linked to genotype. The challenge is to effectively capture the genotypic influence. We outline a novel approach to describe genomic susceptibility to maternal antenatal depression focusing on child emotional/behavioral difficulties. Two cohorts provided measures of maternal depression, child genetic variation, and child mental health symptoms. We constructed a conventional polygenic risk score (PRS) for attention-deficit/hyperactivity disorder (ADHD) (PRSADHD) that significantly moderated the association between maternal antenatal depression and internalizing problems at 60 months (p = 2.94 × 10-4, R2 = .18). We then constructed an interaction PRS (xPRS) based on a subset of those single nucleotide polymorphisms from the PRSADHD that most accounted for the moderation of the association between maternal antenatal depression and child outcome. The interaction between maternal antenatal depression and this xPRS accounted for a larger proportion of the variance in child emotional/behavioral problems than models based on any PRSADHD (p = 5.50 × 10-9, R2 = .27), with similar findings in the replication cohort. The xPRS was significantly enriched for genes involved in neuronal development and synaptic function. Our study illustrates a novel approach to the study of genotypic moderation on the impact of maternal antenatal depression on child mental health and highlights the utility of the xPRS approach. These findings advance our understanding of individual differences in the developmental origins of mental health. En ligne : http://dx.doi.org/10.1017/s0954579420001418 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=437

The early care environment and DNA methylome variation in childhood / Elika GARG in Development and Psychopathology, 30-3 (August 2018)  

Public ISBD [article]  inDevelopment and Psychopathology > 30-3 (August 2018) . - p.891-903 Titre : The early care environment and DNA methylome variation in childhood Type de document : texte imprimé Auteurs : Elika GARG, Auteur ; Li CHEN, Auteur ; Thao T.T. NGUYEN, Auteur ; Irina POKHVISNEVA, Auteur ; Lauwrence M. CHEN, Auteur ; Eva UNTERNAEHRER, Auteur ; Julia L. MACISAAC, Auteur ; Lisa M. MCEWEN, Auteur ; Sarah M. MAH, Auteur ; Helene GAUDREAU, Auteur ; Robert LEVITAN, Auteur ; Ellen MOSS, Auteur ; M.B. SOKOLOWSKI, Auteur ; James L. KENNEDY, Auteur ; Meir S. STEINER, Auteur ; Michael J. MEANEY, Auteur ; Joanna D. HOLBROOK, Auteur ; Patricia P. SILVEIRA, Auteur ; Neerja KARNANI, Auteur ; Michael S. KOBOR, Auteur ; Kieran J. O'DONNELL, Auteur Année de publication : 2018 Article en page(s) : p.891-903 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Prenatal adversity shapes child neurodevelopment and risk for later mental health problems. The quality of the early care environment can buffer some of the negative effects of prenatal adversity on child development. Retrospective studies, in adult samples, highlight epigenetic modifications as sentinel markers of the quality of the early care environment; however, comparable data from pediatric cohorts are lacking. Participants were drawn from the Maternal Adversity Vulnerability and Neurodevelopment (MAVAN) study, a longitudinal cohort with measures of infant attachment, infant development, and child mental health. Children provided buccal epithelial samples (mean age = 6.99, SD = 1.33 years, n = 226), which were used for analyses of genome-wide DNA methylation and genetic variation. We used a series of linear models to describe the association between infant attachment and (a) measures of child outcome and (b) DNA methylation across the genome. Paired genetic data was used to determine the genetic contribution to DNA methylation at attachment-associated sites. Infant attachment style was associated with infant cognitive development (Mental Development Index) and behavior (Behavior Rating Scale) assessed with the Bayley Scales of Infant Development at 36 months. Infant attachment style moderated the effects of prenatal adversity on Behavior Rating Scale scores at 36 months. Infant attachment was also significantly associated with a principal component that accounted for 11.9% of the variation in genome-wide DNA methylation. These effects were most apparent when comparing children with a secure versus a disorganized attachment style and most pronounced in females. The availability of paired genetic data revealed that DNA methylation at approximately half of all infant attachment-associated sites was best explained by considering both infant attachment and child genetic variation. This study provides further evidence that infant attachment can buffer some of the negative effects of early adversity on measures of infant behavior. We also highlight the interplay between infant attachment and child genotype in shaping variation in DNA methylation. Such findings provide preliminary evidence for a molecular signature of infant attachment and may help inform attachment-focused early intervention programs. En ligne : http://dx.doi.org/10.1017/s0954579418000627 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=366 [article] The early care environment and DNA methylome variation in childhood [texte imprimé] / Elika GARG, Auteur ; Li CHEN, Auteur ; Thao T.T. NGUYEN, Auteur ; Irina POKHVISNEVA, Auteur ; Lauwrence M. CHEN, Auteur ; Eva UNTERNAEHRER, Auteur ; Julia L. MACISAAC, Auteur ; Lisa M. MCEWEN, Auteur ; Sarah M. MAH, Auteur ; Helene GAUDREAU, Auteur ; Robert LEVITAN, Auteur ; Ellen MOSS, Auteur ; M.B. SOKOLOWSKI, Auteur ; James L. KENNEDY, Auteur ; Meir S. STEINER, Auteur ; Michael J. MEANEY, Auteur ; Joanna D. HOLBROOK, Auteur ; Patricia P. SILVEIRA, Auteur ; Neerja KARNANI, Auteur ; Michael S. KOBOR, Auteur ; Kieran J. O'DONNELL, Auteur . - 2018 . - p.891-903. Langues : Anglais (eng) in Development and Psychopathology > 30-3 (August 2018) . - p.891-903 Index. décimale : PER Périodiques Résumé : Prenatal adversity shapes child neurodevelopment and risk for later mental health problems. The quality of the early care environment can buffer some of the negative effects of prenatal adversity on child development. Retrospective studies, in adult samples, highlight epigenetic modifications as sentinel markers of the quality of the early care environment; however, comparable data from pediatric cohorts are lacking. Participants were drawn from the Maternal Adversity Vulnerability and Neurodevelopment (MAVAN) study, a longitudinal cohort with measures of infant attachment, infant development, and child mental health. Children provided buccal epithelial samples (mean age = 6.99, SD = 1.33 years, n = 226), which were used for analyses of genome-wide DNA methylation and genetic variation. We used a series of linear models to describe the association between infant attachment and (a) measures of child outcome and (b) DNA methylation across the genome. Paired genetic data was used to determine the genetic contribution to DNA methylation at attachment-associated sites. Infant attachment style was associated with infant cognitive development (Mental Development Index) and behavior (Behavior Rating Scale) assessed with the Bayley Scales of Infant Development at 36 months. Infant attachment style moderated the effects of prenatal adversity on Behavior Rating Scale scores at 36 months. Infant attachment was also significantly associated with a principal component that accounted for 11.9% of the variation in genome-wide DNA methylation. These effects were most apparent when comparing children with a secure versus a disorganized attachment style and most pronounced in females. The availability of paired genetic data revealed that DNA methylation at approximately half of all infant attachment-associated sites was best explained by considering both infant attachment and child genetic variation. This study provides further evidence that infant attachment can buffer some of the negative effects of early adversity on measures of infant behavior. We also highlight the interplay between infant attachment and child genotype in shaping variation in DNA methylation. Such findings provide preliminary evidence for a molecular signature of infant attachment and may help inform attachment-focused early intervention programs. En ligne : http://dx.doi.org/10.1017/s0954579418000627 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=366

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