Are Urinary Porphyrins a Valid Diagnostic Biomarker of Autism Spectrum Disorder? / Kerrie SHANDLEY in Autism Research, 7-5 (October 2014)  

Public ISBD [article]  inAutism Research > 7-5 (October 2014) . - p.535-542 Titre : Are Urinary Porphyrins a Valid Diagnostic Biomarker of Autism Spectrum Disorder? Type de document : texte imprimé Auteurs : Kerrie SHANDLEY, Auteur ; David W. AUSTIN, Auteur ; Jahar L. BHOWMIK, Auteur Article en page(s) : p.535-542 Langues : Anglais (eng) Mots-clés : porphyrins  biomarker  ASD diagnosis  ASD severity  heavy metals  mercury Index. décimale : PER Périodiques Résumé : A fundamental challenge to the timely diagnosis of Autism Spectrum Disorder (ASD) is the reliance on the observation of a set of aberrant behavior. Consequently, the diagnostic process requires that the child reach an age where the behaviors would typically be exhibited. The identification of a reliable biological marker (biomarker) could be of considerable benefit to the diagnostic process. As a diagnostic biomarker, porphyrins present an attractive prospect as previous studies have reported consistent findings of children with ASD showing significant elevations in porphyrin levels in contrast to controls. Furthermore, there is some evidence that ASD severity may be associated with porphyrins, which would be a valuable characteristic of any ASD biomarker. Importantly, for practical use, porphyrins can be tested non-invasively via a sample of urine. The present study sought to investigate whether porphyrin profiles can reliably be used to (a) differentiate ASD cases from healthy controls; and (b) predict ASD severity. The study compared the porphyrin levels of three groups of children aged 2–6 years: Group 1—children diagnosed with ASD (n = 70); Group 2—healthy, normally developing siblings of children diagnosed with ASD (n = 36); and Group 3—healthy, normally developing children with no known blood relative diagnosed with ASD (n = 54). The results of logistic regression analyses failed to find support for the hypotheses that porphyrin levels could be used as a valid tool to detect ASD cases or predict severity. Autism Res 2014, 7: 535–542. © 2014 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1385 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=241 [article] Are Urinary Porphyrins a Valid Diagnostic Biomarker of Autism Spectrum Disorder? [texte imprimé] / Kerrie SHANDLEY, Auteur ; David W. AUSTIN, Auteur ; Jahar L. BHOWMIK, Auteur . - p.535-542. Langues : Anglais (eng) in Autism Research > 7-5 (October 2014) . - p.535-542 Mots-clés : porphyrins  biomarker  ASD diagnosis  ASD severity  heavy metals  mercury Index. décimale : PER Périodiques Résumé : A fundamental challenge to the timely diagnosis of Autism Spectrum Disorder (ASD) is the reliance on the observation of a set of aberrant behavior. Consequently, the diagnostic process requires that the child reach an age where the behaviors would typically be exhibited. The identification of a reliable biological marker (biomarker) could be of considerable benefit to the diagnostic process. As a diagnostic biomarker, porphyrins present an attractive prospect as previous studies have reported consistent findings of children with ASD showing significant elevations in porphyrin levels in contrast to controls. Furthermore, there is some evidence that ASD severity may be associated with porphyrins, which would be a valuable characteristic of any ASD biomarker. Importantly, for practical use, porphyrins can be tested non-invasively via a sample of urine. The present study sought to investigate whether porphyrin profiles can reliably be used to (a) differentiate ASD cases from healthy controls; and (b) predict ASD severity. The study compared the porphyrin levels of three groups of children aged 2–6 years: Group 1—children diagnosed with ASD (n = 70); Group 2—healthy, normally developing siblings of children diagnosed with ASD (n = 36); and Group 3—healthy, normally developing children with no known blood relative diagnosed with ASD (n = 54). The results of logistic regression analyses failed to find support for the hypotheses that porphyrin levels could be used as a valid tool to detect ASD cases or predict severity. Autism Res 2014, 7: 535–542. © 2014 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1385 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=241

Brief Report: Pregnancy, Birth and Infant Feeding Practices: A Survey-Based Investigation into Risk Factors for Autism Spectrum Disorder / Aleesha WHITELY in Journal of Autism and Developmental Disorders, 52-11 (November 2022)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 52-11 (November 2022) . - p.5072-5078 Titre : Brief Report: Pregnancy, Birth and Infant Feeding Practices: A Survey-Based Investigation into Risk Factors for Autism Spectrum Disorder Type de document : texte imprimé Auteurs : Aleesha WHITELY, Auteur ; Kerrie SHANDLEY, Auteur ; Minh HUYNH, Auteur ; Christine M. BROWN, Auteur ; David W. AUSTIN, Auteur ; Jahar L. BHOWMIK, Auteur Article en page(s) : p.5072-5078 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/complications/etiology  Child  Female  Humans  Infant  Male  Meperidine  Mothers  Pregnancy  Risk Factors  Surveys and Questionnaires  Analgesia  Autism spectrum disorder  Breastfeeding  Labour interventions  Pregnancy complications Index. décimale : PER Périodiques Résumé : A succession of interconnected environmental factors is believed to contribute substantially to the development of autism spectrum disorder (ASD). This exploratory study therefore aims to identify potential risk factors for ASD that are associated with pregnancy, birth and infant feeding. Demographic and health-related data on children aged 3-13 years (N=4306) was collected through an online survey completed by biological mothers. A fitted logistic regression model identified advanced maternal age, prenatal bleeding, pre-eclampsia, perinatal pethidine usage, foetal distress before birth and male sex of child as associated with an increased risk of ASD, whereas longer gestational duration demonstrated a protective effect. These findings highlight potential risk factors and predictor interrelationships which may contribute to overall ASD risk. En ligne : http://dx.doi.org/10.1007/s10803-021-05348-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=489 [article] Brief Report: Pregnancy, Birth and Infant Feeding Practices: A Survey-Based Investigation into Risk Factors for Autism Spectrum Disorder [texte imprimé] / Aleesha WHITELY, Auteur ; Kerrie SHANDLEY, Auteur ; Minh HUYNH, Auteur ; Christine M. BROWN, Auteur ; David W. AUSTIN, Auteur ; Jahar L. BHOWMIK, Auteur . - p.5072-5078. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 52-11 (November 2022) . - p.5072-5078 Mots-clés : Autism Spectrum Disorder/complications/etiology  Child  Female  Humans  Infant  Male  Meperidine  Mothers  Pregnancy  Risk Factors  Surveys and Questionnaires  Analgesia  Autism spectrum disorder  Breastfeeding  Labour interventions  Pregnancy complications Index. décimale : PER Périodiques Résumé : A succession of interconnected environmental factors is believed to contribute substantially to the development of autism spectrum disorder (ASD). This exploratory study therefore aims to identify potential risk factors for ASD that are associated with pregnancy, birth and infant feeding. Demographic and health-related data on children aged 3-13 years (N=4306) was collected through an online survey completed by biological mothers. A fitted logistic regression model identified advanced maternal age, prenatal bleeding, pre-eclampsia, perinatal pethidine usage, foetal distress before birth and male sex of child as associated with an increased risk of ASD, whereas longer gestational duration demonstrated a protective effect. These findings highlight potential risk factors and predictor interrelationships which may contribute to overall ASD risk. En ligne : http://dx.doi.org/10.1007/s10803-021-05348-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=489

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