Evaluating the interrelations between the autism polygenic score and psychiatric family history in risk for autism / Diana SCHENDEL in Autism Research, 15-1 (January 2022)  

Public ISBD [article]  inAutism Research > 15-1 (January 2022) . - p.171-182 Titre : Evaluating the interrelations between the autism polygenic score and psychiatric family history in risk for autism Type de document : Texte imprimé et/ou numérique Auteurs : Diana SCHENDEL, Auteur ; T. MUNK LAURSEN, Auteur ; C. ALBIÑANA, Auteur ; B. VILHJALMSSON, Auteur ; Christine LADD-ACOSTA, Auteur ; M. D. FALLIN, Auteur ; Kelly S. BENKE, Auteur ; B. LEE, Auteur ; J. GROVE, Auteur ; Amy E. KALKBRENNER, Auteur ; L. EJLSKOV, Auteur ; D. HOUGAARD, Auteur ; Jonas BYBJERG-GRAUHOLM, Auteur ; M. BAEKVAD-HANSEN, Auteur ; A. D. BØRGLUM, Auteur ; T. WERGE, Auteur ; M. NORDENTOFT, Auteur ; P. B. MORTENSEN, Auteur ; E. AGERBO, Auteur Article en page(s) : p.171-182 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/genetics  Autistic Disorder/genetics  Case-Control Studies  Humans  Multifactorial Inheritance/genetics  Risk Factors  Siblings  autism spectrum disorder  case-control studies  family history  genetic risk factors  polygenic risk score Index. décimale : PER Périodiques Résumé : Psychiatric family history or a high autism polygenic risk score (PRS) have been separately linked to autism spectrum disorder (ASD) risk. The study aimed to simultaneously consider psychiatric family history and individual autism genetic liability (PRS) in autism risk. We performed a case-control study of all Denmark singleton births, May 1981-December 2005, in Denmark at their first birthday and a known mother. Cases were diagnosed with ASD before 2013 and controls comprised a random sample of 30,000 births without ASD, excluding persons with non-Denmark-born parents, missing ASD PRS, non-European ancestry. Adjusted odds ratios (aOR) were estimated for ASD by PRS decile and by psychiatric history in parents or full siblings (8 mutually-exclusive categories) using logistic regression. Adjusted ASD PRS z-score least-squares means were estimated by psychiatric family history category. ASD risk (11,339 ASD cases; 20,175 controls) from ASD PRS was not substantially altered after accounting for psychiatric family history (e.g., ASD PRS 10th decile aOR: 2.35 (95% CI 2.11-2.63) before vs 2.11 (95% CI 1.91-2.40) after adjustment) nor from psychiatric family history after accounting for ASD PRS (e.g., ASD family history aOR: 6.73 (95% CI 5.89-7.68) before vs 6.32 (95% CI 5.53-7.22) after adjustment). ASD risk from ASD PRS varied slightly by psychiatric family history. While ASD risk from psychiatric family history was not accounted for by ASD PRS and vice versa, risk overlap between the two factors will likely increase as measures of genetic risk improve. The two factors are best viewed as complementary measures of family-based autism risk. LAY SUMMARY: Autism risk from a history of mental disorders in the immediate family was not explained by a measure of individual genetic risk (autism polygenic risk score) and vice versa. That is, genetic risk did not appear to overlap family history risk. As genetic measures for autism improve then the overlap in autism risk from family history versus genetic factors will likely increase, but further study may be needed to fully determine the components of risk and how they are inter-related between these key family factors. Meanwhile, the two factors may be best viewed as complementary measures of autism family-based risk. En ligne : http://dx.doi.org/10.1002/aur.2629 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=450 [article] Evaluating the interrelations between the autism polygenic score and psychiatric family history in risk for autism [Texte imprimé et/ou numérique] / Diana SCHENDEL, Auteur ; T. MUNK LAURSEN, Auteur ; C. ALBIÑANA, Auteur ; B. VILHJALMSSON, Auteur ; Christine LADD-ACOSTA, Auteur ; M. D. FALLIN, Auteur ; Kelly S. BENKE, Auteur ; B. LEE, Auteur ; J. GROVE, Auteur ; Amy E. KALKBRENNER, Auteur ; L. EJLSKOV, Auteur ; D. HOUGAARD, Auteur ; Jonas BYBJERG-GRAUHOLM, Auteur ; M. BAEKVAD-HANSEN, Auteur ; A. D. BØRGLUM, Auteur ; T. WERGE, Auteur ; M. NORDENTOFT, Auteur ; P. B. MORTENSEN, Auteur ; E. AGERBO, Auteur . - p.171-182. Langues : Anglais (eng) in Autism Research > 15-1 (January 2022) . - p.171-182 Mots-clés : Autism Spectrum Disorder/genetics  Autistic Disorder/genetics  Case-Control Studies  Humans  Multifactorial Inheritance/genetics  Risk Factors  Siblings  autism spectrum disorder  case-control studies  family history  genetic risk factors  polygenic risk score Index. décimale : PER Périodiques Résumé : Psychiatric family history or a high autism polygenic risk score (PRS) have been separately linked to autism spectrum disorder (ASD) risk. The study aimed to simultaneously consider psychiatric family history and individual autism genetic liability (PRS) in autism risk. We performed a case-control study of all Denmark singleton births, May 1981-December 2005, in Denmark at their first birthday and a known mother. Cases were diagnosed with ASD before 2013 and controls comprised a random sample of 30,000 births without ASD, excluding persons with non-Denmark-born parents, missing ASD PRS, non-European ancestry. Adjusted odds ratios (aOR) were estimated for ASD by PRS decile and by psychiatric history in parents or full siblings (8 mutually-exclusive categories) using logistic regression. Adjusted ASD PRS z-score least-squares means were estimated by psychiatric family history category. ASD risk (11,339 ASD cases; 20,175 controls) from ASD PRS was not substantially altered after accounting for psychiatric family history (e.g., ASD PRS 10th decile aOR: 2.35 (95% CI 2.11-2.63) before vs 2.11 (95% CI 1.91-2.40) after adjustment) nor from psychiatric family history after accounting for ASD PRS (e.g., ASD family history aOR: 6.73 (95% CI 5.89-7.68) before vs 6.32 (95% CI 5.53-7.22) after adjustment). ASD risk from ASD PRS varied slightly by psychiatric family history. While ASD risk from psychiatric family history was not accounted for by ASD PRS and vice versa, risk overlap between the two factors will likely increase as measures of genetic risk improve. The two factors are best viewed as complementary measures of family-based autism risk. LAY SUMMARY: Autism risk from a history of mental disorders in the immediate family was not explained by a measure of individual genetic risk (autism polygenic risk score) and vice versa. That is, genetic risk did not appear to overlap family history risk. As genetic measures for autism improve then the overlap in autism risk from family history versus genetic factors will likely increase, but further study may be needed to fully determine the components of risk and how they are inter-related between these key family factors. Meanwhile, the two factors may be best viewed as complementary measures of autism family-based risk. En ligne : http://dx.doi.org/10.1002/aur.2629 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=450

Infantile Autism and Associated Autosomal Chromosome Abnormalities: A Register-based Study and a Literature Survey / Marlene B. LAURITSEN in Journal of Child Psychology and Psychiatry, 40-3 (March 1999)

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 40-3 (March 1999) . - p.335-345 Titre : Infantile Autism and Associated Autosomal Chromosome Abnormalities: A Register-based Study and a Literature Survey Type de document : Texte imprimé et/ou numérique Auteurs : Marlene B. LAURITSEN, Auteur ; O. MORS, Auteur ; P. B. MORTENSEN, Auteur ; H. EWALD, Auteur Année de publication : 1999 Article en page(s) : p.335-345 Langues : Anglais (eng) Mots-clés : Autism  chromosomes  genetics Index. décimale : PER Périodiques Résumé : Infantile autism is a heterogenous disorder with unknown aetiology. Evidence from the relatively few family and twin studies suggests a genetic component. Co-occurrence or cosegregation between infantile autism and chromosomal abnormalities may identify candidate regions, which could be tested in linkage or association studies. The purpose of this study was to use the Danish Cytogenetic Central Register in order to detect autosomal chromosome abnormalities associated with infantile autism, and to review the literature for cases of autism associated with autosomal chromosome abnormalities to identify candidate chromosomal regions. The register-based study identified possible candidate regions on chromosome 7q21 and 10q21.2, which have not previously been reported. A few interesting candidate regions, 15q11–13, 16q23, and 17p11.2 were found in the literature survey. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124 [article] Infantile Autism and Associated Autosomal Chromosome Abnormalities: A Register-based Study and a Literature Survey [Texte imprimé et/ou numérique] / Marlene B. LAURITSEN, Auteur ; O. MORS, Auteur ; P. B. MORTENSEN, Auteur ; H. EWALD, Auteur . - 1999 . - p.335-345. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 40-3 (March 1999) . - p.335-345 Mots-clés : Autism  chromosomes  genetics Index. décimale : PER Périodiques Résumé : Infantile autism is a heterogenous disorder with unknown aetiology. Evidence from the relatively few family and twin studies suggests a genetic component. Co-occurrence or cosegregation between infantile autism and chromosomal abnormalities may identify candidate regions, which could be tested in linkage or association studies. The purpose of this study was to use the Danish Cytogenetic Central Register in order to detect autosomal chromosome abnormalities associated with infantile autism, and to review the literature for cases of autism associated with autosomal chromosome abnormalities to identify candidate chromosomal regions. The register-based study identified possible candidate regions on chromosome 7q21 and 10q21.2, which have not previously been reported. A few interesting candidate regions, 15q11–13, 16q23, and 17p11.2 were found in the literature survey. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124

Otitis media, antibiotics, and risk of autism spectrum disorder / T. WIMBERLEY in Autism Research, 11-10 (October 2018)  

Public ISBD [article]  inAutism Research > 11-10 (October 2018) . - p.1432-1440 Titre : Otitis media, antibiotics, and risk of autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : T. WIMBERLEY, Auteur ; E. AGERBO, Auteur ; C. B. PEDERSEN, Auteur ; Soeren DALSGAARD, Auteur ; H. T. HORSDAL, Auteur ; P. B. MORTENSEN, Auteur ; W. K. THOMPSON, Auteur ; O. KOHLER-FORSBERG, Auteur ; R. H. YOLKEN, Auteur Article en page(s) : p.1432-1440 Langues : Anglais (eng) Mots-clés : antibiotics  autism spectrum disorder  epidemiology  otitis media Index. décimale : PER Périodiques Résumé : Otitis media infections and antibiotic treatment have been linked to the risk of developing autism spectrum disorder. Broad-spectrum antibiotics may alter the composition of the gut flora microbiota, which is hypothesized to be involved in the regulation of the immune system. This study examines the interplay among otitis media, antibiotics, and the subsequent risk of developing autism. Based on the entire Danish population, 780,547 children were followed from birth (January 1, 1997 to December 31, 2008) until December 31, 2012. We calculated adjusted hazard ratios and absolute risks of autism with 95% confidence intervals (CIs) related to previous otitis media diagnoses and antibiotic prescriptions redeemed at Danish pharmacies. The absolute risk of autism before age 10 was increased among children with otitis media (1.2% for females and 3.3% for males) and in children who had redeemed an antibiotic prescription (0.6% and 2.7% for females and males) compared to children without a history of otitis media and antibiotics usage (0.4% for females and 1.9% for males). Similarly, we found an increased hazard ratio of autism associated with otitis media (1.83 95% CI 1.71-1.95) and antibiotics usage (1.29 95% CI 1.17-1.43). A history of both otitis media and antibiotic treatment did not further increase the risk of autism. Although the risk of autism was associated with otitis media and treatment with antibiotics, we found little evidence of a synergistic effect between otitis media infections and treatment with antibiotics. Autism Res 2018, 11: 1432-1440. (c) 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: We investigated whether otitis media ear infections and antibiotic treatment were associated with autism spectrum disorder. Autism was more common in children who had had an otitis media infection or who had been treated with antibiotics. Given the observational nature of our data, our study cannot be used to conclude that otitis media or use of antibiotics cause autism, as our findings may be subject to unobserved confounding. En ligne : http://dx.doi.org/10.1002/aur.2015 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=369 [article] Otitis media, antibiotics, and risk of autism spectrum disorder [Texte imprimé et/ou numérique] / T. WIMBERLEY, Auteur ; E. AGERBO, Auteur ; C. B. PEDERSEN, Auteur ; Soeren DALSGAARD, Auteur ; H. T. HORSDAL, Auteur ; P. B. MORTENSEN, Auteur ; W. K. THOMPSON, Auteur ; O. KOHLER-FORSBERG, Auteur ; R. H. YOLKEN, Auteur . - p.1432-1440. Langues : Anglais (eng) in Autism Research > 11-10 (October 2018) . - p.1432-1440 Mots-clés : antibiotics  autism spectrum disorder  epidemiology  otitis media Index. décimale : PER Périodiques Résumé : Otitis media infections and antibiotic treatment have been linked to the risk of developing autism spectrum disorder. Broad-spectrum antibiotics may alter the composition of the gut flora microbiota, which is hypothesized to be involved in the regulation of the immune system. This study examines the interplay among otitis media, antibiotics, and the subsequent risk of developing autism. Based on the entire Danish population, 780,547 children were followed from birth (January 1, 1997 to December 31, 2008) until December 31, 2012. We calculated adjusted hazard ratios and absolute risks of autism with 95% confidence intervals (CIs) related to previous otitis media diagnoses and antibiotic prescriptions redeemed at Danish pharmacies. The absolute risk of autism before age 10 was increased among children with otitis media (1.2% for females and 3.3% for males) and in children who had redeemed an antibiotic prescription (0.6% and 2.7% for females and males) compared to children without a history of otitis media and antibiotics usage (0.4% for females and 1.9% for males). Similarly, we found an increased hazard ratio of autism associated with otitis media (1.83 95% CI 1.71-1.95) and antibiotics usage (1.29 95% CI 1.17-1.43). A history of both otitis media and antibiotic treatment did not further increase the risk of autism. Although the risk of autism was associated with otitis media and treatment with antibiotics, we found little evidence of a synergistic effect between otitis media infections and treatment with antibiotics. Autism Res 2018, 11: 1432-1440. (c) 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: We investigated whether otitis media ear infections and antibiotic treatment were associated with autism spectrum disorder. Autism was more common in children who had had an otitis media infection or who had been treated with antibiotics. Given the observational nature of our data, our study cannot be used to conclude that otitis media or use of antibiotics cause autism, as our findings may be subject to unobserved confounding. En ligne : http://dx.doi.org/10.1002/aur.2015 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=369

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