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Association of polychlorinated biphenyls and organochlorine pesticides with autism spectrum disorder in Jamaican children / MacKinsey A. BACH in Research in Autism Spectrum Disorders, 76 (August 2020)
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Titre : Association of polychlorinated biphenyls and organochlorine pesticides with autism spectrum disorder in Jamaican children Type de document : Texte imprimé et/ou numérique Auteurs : MacKinsey A. BACH, Auteur ; Maureen SAMMS-VAUGHAN, Auteur ; Manouchehr HESSABI, Auteur ; Jan BRESSLER, Auteur ; MinJae LEE, Auteur ; Jing ZHANG, Auteur ; Sydonnie SHAKESPEARE-PELLINGTON, Auteur ; Megan L. GROVE, Auteur ; Katherine A. LOVELAND, Auteur ; Mohammad H. RAHBAR, Auteur Article en page(s) : p.101587 Langues : Anglais (eng) Mots-clés : Polychlorinated biphenyls (PCBs) Organochlorine (OC) pesticides Autism spectrum disorder (ASD) Glutathione S-transferase (GST) genes Interaction Jamaica Index. décimale : PER Périodiques Résumé : Background Polychlorinated biphenyls (PCBs) and organochlorine (OC) pesticides are suspected to play a role in autism spectrum disorder (ASD). Objectives To investigate associations of PCBs and OC pesticides with ASD in Jamaican children and explore possible interaction between PCBs or OC pesticides with glutathione S-transferase (GST) genes (GSTT1, GSTM1, GSTP1) in relation to ASD. Methods Participants included n?=?169 age- and sex-matched case-control pairs of Jamaican children 2?8?years old. Socioeconomic status and food frequency data were self-reported by the parents/guardians. Blood from each participant was analyzed for 100 PCB congeners and 17 OC pesticides and genotyped for three GST genes. PCBs and OC pesticides concentrations below the limit of detection (LoD) were replaced with (LoD/?2). We used conditional logistic regression (CLR) models to assess associations of PCBs and OC pesticides with ASD, individually or interactively with GST genes (GSTT1, GSTM1, GSTP1). Results We found inverse associations of PCB-153 [adjusted MOR (95 % CI)?=?0.44 (0.23, 0.86)] and PCB-180 [adjusted MOR (95 % CI)?=?0.52 (0.28, 0.95)] with ASD. When adjusted for covariates in a CLR the interaction between GSTM1 and PCB-153 became significant (P? 0.01). Discussion Differences in diet between ASD and typically developing control groups may play a role in the observed findings of lower concentrations of PCB-153 and PCB-180 in individuals with ASD than in controls. Considering the limited sample size and high proportion of concentrations below the LoD, these results should be interpreted with caution but warrant further investigation into associations of PCBs and OC pesticides with ASD. En ligne : https://doi.org/10.1016/j.rasd.2020.101587 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429
in Research in Autism Spectrum Disorders > 76 (August 2020) . - p.101587[article] Association of polychlorinated biphenyls and organochlorine pesticides with autism spectrum disorder in Jamaican children [Texte imprimé et/ou numérique] / MacKinsey A. BACH, Auteur ; Maureen SAMMS-VAUGHAN, Auteur ; Manouchehr HESSABI, Auteur ; Jan BRESSLER, Auteur ; MinJae LEE, Auteur ; Jing ZHANG, Auteur ; Sydonnie SHAKESPEARE-PELLINGTON, Auteur ; Megan L. GROVE, Auteur ; Katherine A. LOVELAND, Auteur ; Mohammad H. RAHBAR, Auteur . - p.101587.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 76 (August 2020) . - p.101587
Mots-clés : Polychlorinated biphenyls (PCBs) Organochlorine (OC) pesticides Autism spectrum disorder (ASD) Glutathione S-transferase (GST) genes Interaction Jamaica Index. décimale : PER Périodiques Résumé : Background Polychlorinated biphenyls (PCBs) and organochlorine (OC) pesticides are suspected to play a role in autism spectrum disorder (ASD). Objectives To investigate associations of PCBs and OC pesticides with ASD in Jamaican children and explore possible interaction between PCBs or OC pesticides with glutathione S-transferase (GST) genes (GSTT1, GSTM1, GSTP1) in relation to ASD. Methods Participants included n?=?169 age- and sex-matched case-control pairs of Jamaican children 2?8?years old. Socioeconomic status and food frequency data were self-reported by the parents/guardians. Blood from each participant was analyzed for 100 PCB congeners and 17 OC pesticides and genotyped for three GST genes. PCBs and OC pesticides concentrations below the limit of detection (LoD) were replaced with (LoD/?2). We used conditional logistic regression (CLR) models to assess associations of PCBs and OC pesticides with ASD, individually or interactively with GST genes (GSTT1, GSTM1, GSTP1). Results We found inverse associations of PCB-153 [adjusted MOR (95 % CI)?=?0.44 (0.23, 0.86)] and PCB-180 [adjusted MOR (95 % CI)?=?0.52 (0.28, 0.95)] with ASD. When adjusted for covariates in a CLR the interaction between GSTM1 and PCB-153 became significant (P? 0.01). Discussion Differences in diet between ASD and typically developing control groups may play a role in the observed findings of lower concentrations of PCB-153 and PCB-180 in individuals with ASD than in controls. Considering the limited sample size and high proportion of concentrations below the LoD, these results should be interpreted with caution but warrant further investigation into associations of PCBs and OC pesticides with ASD. En ligne : https://doi.org/10.1016/j.rasd.2020.101587 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429