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Auteur Kent C. WILLIAMS |
Documents disponibles écrits par cet auteur (4)



Association of Rigid-Compulsive Behavior with Functional Constipation in Autism Spectrum Disorder / Sarah MARLER in Journal of Autism and Developmental Disorders, 47-6 (June 2017)
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Titre : Association of Rigid-Compulsive Behavior with Functional Constipation in Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Sarah MARLER, Auteur ; Bradley J. FERGUSON, Auteur ; Evon BATEY LEE, Auteur ; Brittany PETERS, Auteur ; Kent C. WILLIAMS, Auteur ; Erin MCDONNELL, Auteur ; Eric A. MACKLIN, Auteur ; Pat LEVITT, Auteur ; Kara GROSS MARGOLIS, Auteur ; David Q. BEVERSDORF, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur Article en page(s) : p.1673-1681 Langues : Anglais (eng) Mots-clés : Developmental Gut Enteric Medical comorbidity Obsessive compulsive disorder Serotonin Microbiome Index. décimale : PER Périodiques Résumé : Based upon checklist data from the Autism Speaks Autism Treatment Network, we hypothesized that functional constipation (FC) would be associated with rigid-compulsive behavior in children with autism spectrum disorder (ASD). We used the Questionnaire on Pediatric Gastrointestinal Symptoms—Rome III to assess FC symptoms in 108 children with ASD. As hypothesized, FC was associated with parent ratings on the Repetitive Behavior Scales—Revised (RBS-R) Compulsive, Ritualistic, and Sameness subscales in the overall population. Of note, FC was less common in children who were not taking medications that target behavior or treat FC. In the medication-free children, rigid-compulsive behavior was not significantly associated with FC. More research is needed to understand the mechanisms underlying these associations. En ligne : http://dx.doi.org/10.1007/s10803-017-3084-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=308
in Journal of Autism and Developmental Disorders > 47-6 (June 2017) . - p.1673-1681[article] Association of Rigid-Compulsive Behavior with Functional Constipation in Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Sarah MARLER, Auteur ; Bradley J. FERGUSON, Auteur ; Evon BATEY LEE, Auteur ; Brittany PETERS, Auteur ; Kent C. WILLIAMS, Auteur ; Erin MCDONNELL, Auteur ; Eric A. MACKLIN, Auteur ; Pat LEVITT, Auteur ; Kara GROSS MARGOLIS, Auteur ; David Q. BEVERSDORF, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur . - p.1673-1681.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 47-6 (June 2017) . - p.1673-1681
Mots-clés : Developmental Gut Enteric Medical comorbidity Obsessive compulsive disorder Serotonin Microbiome Index. décimale : PER Périodiques Résumé : Based upon checklist data from the Autism Speaks Autism Treatment Network, we hypothesized that functional constipation (FC) would be associated with rigid-compulsive behavior in children with autism spectrum disorder (ASD). We used the Questionnaire on Pediatric Gastrointestinal Symptoms—Rome III to assess FC symptoms in 108 children with ASD. As hypothesized, FC was associated with parent ratings on the Repetitive Behavior Scales—Revised (RBS-R) Compulsive, Ritualistic, and Sameness subscales in the overall population. Of note, FC was less common in children who were not taking medications that target behavior or treat FC. In the medication-free children, rigid-compulsive behavior was not significantly associated with FC. More research is needed to understand the mechanisms underlying these associations. En ligne : http://dx.doi.org/10.1007/s10803-017-3084-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=308 Brief Report: Whole Blood Serotonin Levels and Gastrointestinal Symptoms in Autism Spectrum Disorder / Sarah MARLER in Journal of Autism and Developmental Disorders, 46-3 (March 2016)
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Titre : Brief Report: Whole Blood Serotonin Levels and Gastrointestinal Symptoms in Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Sarah MARLER, Auteur ; Bradley J. FERGUSON, Auteur ; Evon BATEY LEE, Auteur ; Brittany PETERS, Auteur ; Kent C. WILLIAMS, Auteur ; Erin MCDONNELL, Auteur ; Eric A. MACKLIN, Auteur ; Pat LEVITT, Auteur ; Catherine HAGAN GILLESPIE, Auteur ; George M. ANDERSON, Auteur ; Kara Gross MARGOLIS, Auteur ; David Q. BEVERSDORF, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur Article en page(s) : p.1124-1130 Langues : Anglais (eng) Mots-clés : Serotonin 5-HT Gastrointestinal (GI) IL-6 Medical comorbidities Autism Treatment Network Index. décimale : PER Périodiques Résumé : Elevated whole blood serotonin levels are observed in more than 25 % of children with autism spectrum disorder (ASD). Co-occurring gastrointestinal (GI) symptoms are also common in ASD but have not previously been examined in relationship with hyperserotonemia, despite the synthesis of serotonin in the gut. In 82 children and adolescents with ASD, we observed a correlation between a quantitative measure of lower GI symptoms and whole blood serotonin levels. No significant association was seen between functional constipation diagnosis and serotonin levels in the hyperserotonemia range, suggesting that this correlation is not driven by a single subgroup. More specific assessment of gut function, including the microbiome, will be necessary to evaluate the contribution of gut physiology to serotonin levels in ASD. En ligne : http://dx.doi.org/10.1007/s10803-015-2646-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282
in Journal of Autism and Developmental Disorders > 46-3 (March 2016) . - p.1124-1130[article] Brief Report: Whole Blood Serotonin Levels and Gastrointestinal Symptoms in Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Sarah MARLER, Auteur ; Bradley J. FERGUSON, Auteur ; Evon BATEY LEE, Auteur ; Brittany PETERS, Auteur ; Kent C. WILLIAMS, Auteur ; Erin MCDONNELL, Auteur ; Eric A. MACKLIN, Auteur ; Pat LEVITT, Auteur ; Catherine HAGAN GILLESPIE, Auteur ; George M. ANDERSON, Auteur ; Kara Gross MARGOLIS, Auteur ; David Q. BEVERSDORF, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur . - p.1124-1130.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 46-3 (March 2016) . - p.1124-1130
Mots-clés : Serotonin 5-HT Gastrointestinal (GI) IL-6 Medical comorbidities Autism Treatment Network Index. décimale : PER Périodiques Résumé : Elevated whole blood serotonin levels are observed in more than 25 % of children with autism spectrum disorder (ASD). Co-occurring gastrointestinal (GI) symptoms are also common in ASD but have not previously been examined in relationship with hyperserotonemia, despite the synthesis of serotonin in the gut. In 82 children and adolescents with ASD, we observed a correlation between a quantitative measure of lower GI symptoms and whole blood serotonin levels. No significant association was seen between functional constipation diagnosis and serotonin levels in the hyperserotonemia range, suggesting that this correlation is not driven by a single subgroup. More specific assessment of gut function, including the microbiome, will be necessary to evaluate the contribution of gut physiology to serotonin levels in ASD. En ligne : http://dx.doi.org/10.1007/s10803-015-2646-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282 Intestinal Predictors of Whole Blood Serotonin Levels in Children With or Without Autism / Miranda ZUNIGA-KENNEDY in Journal of Autism and Developmental Disorders, 52-9 (September 2022)
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Titre : Intestinal Predictors of Whole Blood Serotonin Levels in Children With or Without Autism Type de document : Texte imprimé et/ou numérique Auteurs : Miranda ZUNIGA-KENNEDY, Auteur ; Micah DAVOREN, Auteur ; Lauren C. SHUFFREY, Auteur ; Ruth Ann LUNA, Auteur ; Tor SAVIDGE, Auteur ; Vinay PRASAD, Auteur ; George M. ANDERSON, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur ; Kent C. WILLIAMS, Auteur Article en page(s) : p.3780-3789 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/genetics Autistic Disorder/genetics Biomarkers Child Humans Male Serotonin Autism Hyperserotonemia Immunity Whole blood serotonin Index. décimale : PER Périodiques Résumé : Hyperserotonemia, or elevated levels of whole blood serotonin (WB5-HT), was the first biomarker linked to autism spectrum disorder (ASD). Despite numerous studies investigating the etiology of hyperserotonemia, results have been inconsistent. Recent findings suggest a relationship between the immune system and hyperserotonemia. The current study investigated whether intestinal 5-HT levels, 5-HT gene expression, or intestinal cell types predict WB5-HT. Participants included thirty-one males aged 3-18 who were classified into one of three groups: ASD and functional GI issues, typically developing with GI issues, and typically developing without GI issues. Samples from a lower endoscopy were analyzed to examine the pathways in predicting WB-5HT. Results demonstrated an association between T-Lymphocytes and WB5-HT. En ligne : http://dx.doi.org/10.1007/s10803-022-05597-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=485
in Journal of Autism and Developmental Disorders > 52-9 (September 2022) . - p.3780-3789[article] Intestinal Predictors of Whole Blood Serotonin Levels in Children With or Without Autism [Texte imprimé et/ou numérique] / Miranda ZUNIGA-KENNEDY, Auteur ; Micah DAVOREN, Auteur ; Lauren C. SHUFFREY, Auteur ; Ruth Ann LUNA, Auteur ; Tor SAVIDGE, Auteur ; Vinay PRASAD, Auteur ; George M. ANDERSON, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur ; Kent C. WILLIAMS, Auteur . - p.3780-3789.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 52-9 (September 2022) . - p.3780-3789
Mots-clés : Autism Spectrum Disorder/genetics Autistic Disorder/genetics Biomarkers Child Humans Male Serotonin Autism Hyperserotonemia Immunity Whole blood serotonin Index. décimale : PER Périodiques Résumé : Hyperserotonemia, or elevated levels of whole blood serotonin (WB5-HT), was the first biomarker linked to autism spectrum disorder (ASD). Despite numerous studies investigating the etiology of hyperserotonemia, results have been inconsistent. Recent findings suggest a relationship between the immune system and hyperserotonemia. The current study investigated whether intestinal 5-HT levels, 5-HT gene expression, or intestinal cell types predict WB5-HT. Participants included thirty-one males aged 3-18 who were classified into one of three groups: ASD and functional GI issues, typically developing with GI issues, and typically developing without GI issues. Samples from a lower endoscopy were analyzed to examine the pathways in predicting WB-5HT. Results demonstrated an association between T-Lymphocytes and WB5-HT. En ligne : http://dx.doi.org/10.1007/s10803-022-05597-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=485 Rigid–Compulsive Behaviors are Associated with Mixed Bowel Symptoms in Autism Spectrum Disorder / Brittany PETERS in Journal of Autism and Developmental Disorders, 44-6 (June 2014)
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Titre : Rigid–Compulsive Behaviors are Associated with Mixed Bowel Symptoms in Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Brittany PETERS, Auteur ; Kent C. WILLIAMS, Auteur ; Phillip GORRINDO, Auteur ; Daniel ROSENBERG, Auteur ; Evon BATEY LEE, Auteur ; Pat LEVITT, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur Article en page(s) : p.1425-1432 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Repetitive behavior Constipation Encopresis Index. décimale : PER Périodiques Résumé : Based on clinical experience, we hypothesized that rigid–compulsive behaviors are associated with severe constipation and co-occurring diarrhea or underwear staining in children with autism spectrum disorder. Using data from the Autism Treatment Network, we evaluated the association between these gastrointestinal symptoms and measures of rigid compulsive behavior in children ages 2–17. Following statistical correction, four of five primary measures were significantly associated with constipation and diarrhea or underwear staining, including parental report of repetitive behavior, parental report of compulsive behavior, clinician diagnosis of obsessive–compulsive disorder, and report of rituals observed on the autism diagnostic observation schedule. This association could point to a causal connection between these symptoms or to a common biological pathway that impacts both gut and brain. En ligne : http://dx.doi.org/10.1007/s10803-013-2009-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=233
in Journal of Autism and Developmental Disorders > 44-6 (June 2014) . - p.1425-1432[article] Rigid–Compulsive Behaviors are Associated with Mixed Bowel Symptoms in Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Brittany PETERS, Auteur ; Kent C. WILLIAMS, Auteur ; Phillip GORRINDO, Auteur ; Daniel ROSENBERG, Auteur ; Evon BATEY LEE, Auteur ; Pat LEVITT, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur . - p.1425-1432.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-6 (June 2014) . - p.1425-1432
Mots-clés : Autism spectrum disorder Repetitive behavior Constipation Encopresis Index. décimale : PER Périodiques Résumé : Based on clinical experience, we hypothesized that rigid–compulsive behaviors are associated with severe constipation and co-occurring diarrhea or underwear staining in children with autism spectrum disorder. Using data from the Autism Treatment Network, we evaluated the association between these gastrointestinal symptoms and measures of rigid compulsive behavior in children ages 2–17. Following statistical correction, four of five primary measures were significantly associated with constipation and diarrhea or underwear staining, including parental report of repetitive behavior, parental report of compulsive behavior, clinician diagnosis of obsessive–compulsive disorder, and report of rituals observed on the autism diagnostic observation schedule. This association could point to a causal connection between these symptoms or to a common biological pathway that impacts both gut and brain. En ligne : http://dx.doi.org/10.1007/s10803-013-2009-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=233