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Maternal Obesity/Diabetes, Plasma Branched-Chain Amino Acids, and Autism Spectrum Disorder Risk in Urban Low-Income Children: Evidence of Sex Difference / Anita A PANJWANI in Autism Research, 12-10 (October 2019)
[article]
Titre : Maternal Obesity/Diabetes, Plasma Branched-Chain Amino Acids, and Autism Spectrum Disorder Risk in Urban Low-Income Children: Evidence of Sex Difference Type de document : Texte imprimé et/ou numérique Auteurs : Anita A PANJWANI, Auteur ; Y. JI, Auteur ; J. W. FAHEY, Auteur ; A. PALMER, Auteur ; G. WANG, Auteur ; X. HONG, Auteur ; Barry S. ZUCKERMAN, Auteur ; X. WANG, Auteur Article en page(s) : p.1562-1573 Langues : Anglais (eng) Mots-clés : autism spectrum disorder branched-chain amino acids diabetes mellitus metabolomics obesity pre- and perinatal risk factors sex differences Index. décimale : PER Périodiques Résumé : Maternal metabolic conditions are known risk factors for child autism spectrum disorder (ASD). Branched-chain amino acids (BCAAs) are also associated with ASD. We examined the joint associations of maternal metabolic conditions and BCAAs on the risk of child ASD and whether the associations differed by child's sex. We analyzed 789 mother-infant pairs, a subset of the Boston Birth Cohort, from a predominantly urban, low-income, minority population. Maternal plasma BCAAs were measured by liquid chromatography-tandem mass spectrometry in samples collected 24-72 hr postpartum. A composite BCAA score was created using factor analysis, and prepregnancy obesity and diabetes (ob/DM) were combined into one variable. Logistic regression was used to explore the role of BCAAs as mediators or cofactors with ob/DM and child's sex on ASD risk. BCAA-ob/DM and BCAA-sex interactions were also examined. Maternal BCAAs alone were not associated with ASD and did not mediate the path between ob/DM and ASD. In the presence of maternal ob/DM, BCAA score was significantly associated with ASD (adjusted OR 2.33, 95% CI 1.18, 4.60). Interactions were present for valine with ob/DM and for valine and isoleucine with male sex on ASD risk. The odds ratio (OR) for risk of ASD was the greatest with all three risk factors combined-male sex, above median BCAA score, and ob/DM (OR 10.79, 95% CI 4.40, 26.42). Similar patterns were found for other developmental disorders, though not as strong as for ASD. Additional studies are warranted to clarify the role of maternal BCAAs, ob/DM, and child's sex in ASD. Autism Res 2019, 12: 1562-1573. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: This study investigated whether maternal obesity/diabetes and maternal circulating branched-chain amino acids (BCAAs) can jointly affect child ASD risk and whether the associations differ by child's sex. We found that the risk of ASD was greater among mothers with obesity/diabetes who also had elevated concentrations of BCAAs and that this risk was even greater for male children. These findings provide new evidence on fetal origins of ASD and sex difference and warrant additional investigation. En ligne : http://dx.doi.org/10.1002/aur.2177 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=408
in Autism Research > 12-10 (October 2019) . - p.1562-1573[article] Maternal Obesity/Diabetes, Plasma Branched-Chain Amino Acids, and Autism Spectrum Disorder Risk in Urban Low-Income Children: Evidence of Sex Difference [Texte imprimé et/ou numérique] / Anita A PANJWANI, Auteur ; Y. JI, Auteur ; J. W. FAHEY, Auteur ; A. PALMER, Auteur ; G. WANG, Auteur ; X. HONG, Auteur ; Barry S. ZUCKERMAN, Auteur ; X. WANG, Auteur . - p.1562-1573.
Langues : Anglais (eng)
in Autism Research > 12-10 (October 2019) . - p.1562-1573
Mots-clés : autism spectrum disorder branched-chain amino acids diabetes mellitus metabolomics obesity pre- and perinatal risk factors sex differences Index. décimale : PER Périodiques Résumé : Maternal metabolic conditions are known risk factors for child autism spectrum disorder (ASD). Branched-chain amino acids (BCAAs) are also associated with ASD. We examined the joint associations of maternal metabolic conditions and BCAAs on the risk of child ASD and whether the associations differed by child's sex. We analyzed 789 mother-infant pairs, a subset of the Boston Birth Cohort, from a predominantly urban, low-income, minority population. Maternal plasma BCAAs were measured by liquid chromatography-tandem mass spectrometry in samples collected 24-72 hr postpartum. A composite BCAA score was created using factor analysis, and prepregnancy obesity and diabetes (ob/DM) were combined into one variable. Logistic regression was used to explore the role of BCAAs as mediators or cofactors with ob/DM and child's sex on ASD risk. BCAA-ob/DM and BCAA-sex interactions were also examined. Maternal BCAAs alone were not associated with ASD and did not mediate the path between ob/DM and ASD. In the presence of maternal ob/DM, BCAA score was significantly associated with ASD (adjusted OR 2.33, 95% CI 1.18, 4.60). Interactions were present for valine with ob/DM and for valine and isoleucine with male sex on ASD risk. The odds ratio (OR) for risk of ASD was the greatest with all three risk factors combined-male sex, above median BCAA score, and ob/DM (OR 10.79, 95% CI 4.40, 26.42). Similar patterns were found for other developmental disorders, though not as strong as for ASD. Additional studies are warranted to clarify the role of maternal BCAAs, ob/DM, and child's sex in ASD. Autism Res 2019, 12: 1562-1573. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: This study investigated whether maternal obesity/diabetes and maternal circulating branched-chain amino acids (BCAAs) can jointly affect child ASD risk and whether the associations differ by child's sex. We found that the risk of ASD was greater among mothers with obesity/diabetes who also had elevated concentrations of BCAAs and that this risk was even greater for male children. These findings provide new evidence on fetal origins of ASD and sex difference and warrant additional investigation. En ligne : http://dx.doi.org/10.1002/aur.2177 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=408 Maternal Dyslipidemia, Plasma Branched-Chain Amino Acids, and the Risk of Child Autism Spectrum Disorder: Evidence of Sex Difference / Anita A PANJWANI in Journal of Autism and Developmental Disorders, 50-2 (February 2020)
[article]
Titre : Maternal Dyslipidemia, Plasma Branched-Chain Amino Acids, and the Risk of Child Autism Spectrum Disorder: Evidence of Sex Difference Type de document : Texte imprimé et/ou numérique Auteurs : Anita A PANJWANI, Auteur ; Yuelong JI, Auteur ; Jed W FAHEY, Auteur ; Amanda PALMER, Auteur ; Guoying WANG, Auteur ; Xiumei HONG, Auteur ; Barry S. ZUCKERMAN, Auteur ; Xiaobin WANG, Auteur Article en page(s) : p.540-550 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Branched-chain amino acids Maternal cholesterols Metabolomics Pre- and perinatal risk factors Sex differences Index. décimale : PER Périodiques Résumé : In contrast to the well-observed associations between obesity, diabetes, and autism spectrum disorder (ASD), the roles of maternal dyslipidemia and sex disparity in ASD have not been well-studied. We examined the joint associations of maternal plasma cholesterols, branched-chain amino acids (BCAAs) and child sex on child ASD risk. We analyzed data from 756 mother-infant pairs (86 ASD) from the Boston Birth Cohort. Maternal plasma cholesterols and BCAAs were measured in samples collected 24-72 h postpartum. We found that in this urban, low-income prospective birth cohort, low maternal high-density lipoprotein cholesterol (HDL-C), above-median maternal plasma BCAA concentrations, and male sex additively or synergistically increased risk of ASD. Additional studies are necessary to confirm our findings. En ligne : http://dx.doi.org/10.1007/s10803-019-04264-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=416
in Journal of Autism and Developmental Disorders > 50-2 (February 2020) . - p.540-550[article] Maternal Dyslipidemia, Plasma Branched-Chain Amino Acids, and the Risk of Child Autism Spectrum Disorder: Evidence of Sex Difference [Texte imprimé et/ou numérique] / Anita A PANJWANI, Auteur ; Yuelong JI, Auteur ; Jed W FAHEY, Auteur ; Amanda PALMER, Auteur ; Guoying WANG, Auteur ; Xiumei HONG, Auteur ; Barry S. ZUCKERMAN, Auteur ; Xiaobin WANG, Auteur . - p.540-550.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 50-2 (February 2020) . - p.540-550
Mots-clés : Autism spectrum disorder Branched-chain amino acids Maternal cholesterols Metabolomics Pre- and perinatal risk factors Sex differences Index. décimale : PER Périodiques Résumé : In contrast to the well-observed associations between obesity, diabetes, and autism spectrum disorder (ASD), the roles of maternal dyslipidemia and sex disparity in ASD have not been well-studied. We examined the joint associations of maternal plasma cholesterols, branched-chain amino acids (BCAAs) and child sex on child ASD risk. We analyzed data from 756 mother-infant pairs (86 ASD) from the Boston Birth Cohort. Maternal plasma cholesterols and BCAAs were measured in samples collected 24-72 h postpartum. We found that in this urban, low-income prospective birth cohort, low maternal high-density lipoprotein cholesterol (HDL-C), above-median maternal plasma BCAA concentrations, and male sex additively or synergistically increased risk of ASD. Additional studies are necessary to confirm our findings. En ligne : http://dx.doi.org/10.1007/s10803-019-04264-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=416 Maternal prenatal selenium levels and child risk of neurodevelopmental disorders: A prospective birth cohort study / A. S. E. LEE in Autism Research, 14-12 (December 2021)
[article]
Titre : Maternal prenatal selenium levels and child risk of neurodevelopmental disorders: A prospective birth cohort study Type de document : Texte imprimé et/ou numérique Auteurs : A. S. E. LEE, Auteur ; Y. JI, Auteur ; R. RAGHAVAN, Auteur ; G. WANG, Auteur ; X. HONG, Auteur ; C. PEARSON, Auteur ; G. MIROLLI, Auteur ; E. BIND, Auteur ; A. STEFFENS, Auteur ; J. MUKHERJEE, Auteur ; D. HALTMEIER, Auteur ; Z. T. FAN, Auteur ; X. WANG, Auteur Article en page(s) : p.2533-2543 Langues : Anglais (eng) Mots-clés : Attention Deficit Disorder with Hyperactivity Autism Spectrum Disorder/epidemiology Birth Cohort Cohort Studies Female Humans Neurodevelopmental Disorders/epidemiology Pregnancy Prenatal Exposure Delayed Effects Prospective Studies Selenium attention deficit-hyperactivity disorder children environmental risk factors epigenetics gene-environment interaction pediatrics pre- and perinatal risk factors Index. décimale : PER Périodiques Résumé : Selenium (Se) is an essential trace element involved in various biological processes, including neurodevelopment. Available literature indicates that both Se deficiency and excess may be detrimental to health. It is also known that Se can cross the placenta from maternal to fetal circulation. To date, the role of maternal Se status in child long-term neurodevelopment is largely unexplored. This study investigated the temporal and dose-response associations between maternal Se status and child risk of neurodevelopmental disorders including autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD). It consisted of 1550 mother-infant dyads from the Boston Birth Cohort. Maternal red blood cell (RBC) Se levels were measured in samples collected within 72?h of delivery (biomarker of third trimester Se status). Pediatric neurodevelopmental diagnoses were obtained from electronic medical records. Data analyses showed that maternal RBC Se levels were positively associated with child risk of developing ASD, with an adjusted odds ratio of 1.49 for ASD (95% CI: 1.09, 2.02) per IQR increase in Se. There was also a positive association between maternal Se and ADHD (OR: 1.29; 95% CI: 1.04, 1.56, per IQR increase in Se). These associations remained robust even after adjusting for pertinent covariables; and there was no significant interaction between Se and these covariables. Our findings suggest that prenatal exposure to high maternal Se levels may adversely affect child neurodevelopment. Our findings warrant further investigation; if confirmed, optimizing maternal prenatal Se levels may be necessary to maximize its health benefits while preventing undue risk. LAY SUMMARY: Selenium (Se) is an essential nutrient for the health of the pregnant mother and her baby. While Se can readily cross the placenta from maternal to fetal circulation, little is known about maternal Se status on her child's neurodevelopmental outcomes. We studied over 1500 mother-child dyads from birth to school age of the child. We found that babies born from mothers with high blood Se levels may be at increased risk of developing autism spectrum disorder or attention deficit hyperactivity disorder. Given this is the first study of the kind, more study is needed to confirm our findings. En ligne : http://dx.doi.org/10.1002/aur.2617 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=450
in Autism Research > 14-12 (December 2021) . - p.2533-2543[article] Maternal prenatal selenium levels and child risk of neurodevelopmental disorders: A prospective birth cohort study [Texte imprimé et/ou numérique] / A. S. E. LEE, Auteur ; Y. JI, Auteur ; R. RAGHAVAN, Auteur ; G. WANG, Auteur ; X. HONG, Auteur ; C. PEARSON, Auteur ; G. MIROLLI, Auteur ; E. BIND, Auteur ; A. STEFFENS, Auteur ; J. MUKHERJEE, Auteur ; D. HALTMEIER, Auteur ; Z. T. FAN, Auteur ; X. WANG, Auteur . - p.2533-2543.
Langues : Anglais (eng)
in Autism Research > 14-12 (December 2021) . - p.2533-2543
Mots-clés : Attention Deficit Disorder with Hyperactivity Autism Spectrum Disorder/epidemiology Birth Cohort Cohort Studies Female Humans Neurodevelopmental Disorders/epidemiology Pregnancy Prenatal Exposure Delayed Effects Prospective Studies Selenium attention deficit-hyperactivity disorder children environmental risk factors epigenetics gene-environment interaction pediatrics pre- and perinatal risk factors Index. décimale : PER Périodiques Résumé : Selenium (Se) is an essential trace element involved in various biological processes, including neurodevelopment. Available literature indicates that both Se deficiency and excess may be detrimental to health. It is also known that Se can cross the placenta from maternal to fetal circulation. To date, the role of maternal Se status in child long-term neurodevelopment is largely unexplored. This study investigated the temporal and dose-response associations between maternal Se status and child risk of neurodevelopmental disorders including autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD). It consisted of 1550 mother-infant dyads from the Boston Birth Cohort. Maternal red blood cell (RBC) Se levels were measured in samples collected within 72?h of delivery (biomarker of third trimester Se status). Pediatric neurodevelopmental diagnoses were obtained from electronic medical records. Data analyses showed that maternal RBC Se levels were positively associated with child risk of developing ASD, with an adjusted odds ratio of 1.49 for ASD (95% CI: 1.09, 2.02) per IQR increase in Se. There was also a positive association between maternal Se and ADHD (OR: 1.29; 95% CI: 1.04, 1.56, per IQR increase in Se). These associations remained robust even after adjusting for pertinent covariables; and there was no significant interaction between Se and these covariables. Our findings suggest that prenatal exposure to high maternal Se levels may adversely affect child neurodevelopment. Our findings warrant further investigation; if confirmed, optimizing maternal prenatal Se levels may be necessary to maximize its health benefits while preventing undue risk. LAY SUMMARY: Selenium (Se) is an essential nutrient for the health of the pregnant mother and her baby. While Se can readily cross the placenta from maternal to fetal circulation, little is known about maternal Se status on her child's neurodevelopmental outcomes. We studied over 1500 mother-child dyads from birth to school age of the child. We found that babies born from mothers with high blood Se levels may be at increased risk of developing autism spectrum disorder or attention deficit hyperactivity disorder. Given this is the first study of the kind, more study is needed to confirm our findings. En ligne : http://dx.doi.org/10.1002/aur.2617 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=450 Prevalence and associated features of autism spectrum disorder in extremely low gestational age newborns at age 10 years / Robert M. JOSEPH in Autism Research, 10-2 (February 2017)
[article]
Titre : Prevalence and associated features of autism spectrum disorder in extremely low gestational age newborns at age 10 years Type de document : Texte imprimé et/ou numérique Auteurs : Robert M. JOSEPH, Auteur ; Thomas M. O'SHEA, Auteur ; Elizabeth N. ALLRED, Auteur ; Tim HEEREN, Auteur ; Deborah HIRTZ, Auteur ; Nigel PANETH, Auteur ; Alan LEVITON, Auteur ; Karl C. K. KUBAN, Auteur Article en page(s) : p.224-232 Langues : Anglais (eng) Mots-clés : diagnosis epidemiology – descriptive intellectual disability pre- and perinatal risk factors prevalence sex differences Index. décimale : PER Périodiques Résumé : We sought to estimate the prevalence of autism spectrum disorder (ASD) in children born extremely preterm relative to the U.S. population risk of 1.5% [CDC, 2014] using the best-available diagnostic procedures and minimizing confounding with other neurodevelopmental impairments. Eight hundred and eighty nine of 966 (92%) 10-year-old children from the Extremely Low Gestational Age Newborn birth cohort, delivered at 23–27 weeks gestation in 2002–2004, participated. Children meeting ASD screening criteria on the Social Communication Questionnaire were evaluated with the Autism Diagnostic Interview–Revised (ADI-R). Those meeting ADI-R criteria were assessed with the Autism Diagnostic Observation Schedule-2 (ADOS-2). A positive ADOS-2 score was the criterion for ASD. Twenty-six participants were not assessed for ASD because of severe sensory or motor impairment. In the remaining sample, 61 children met criteria for ASD, resulting in a prevalence of 7.1% (95% CI?=?5.5–9.0). ASD risk decreased with increasing gestational age, from 15.0% (95% CI?=?10.0–21.2) for 23–24 weeks, 6.5% (95% CI?=?4.2–9.4) for 25–26 weeks, to 3.4% (95% CI?=?1.6–6.1) for 27 weeks gestational age, and this association was independent of IQ. Among children with ASD, 40% had intellectual disability. The male-to-female ratio of children with ASD was 2.1:1 (95% CI?=?1.2:1–3.5:1), lower than in the general population (4:1). ASD prevalence in the ELGAN cohort was four times higher than in the general population, and was strongly associated with gestational age, underscoring the need for enhanced ASD screening of children born preterm, and suggesting that some risk factors associated with preterm birth may also play a role in the etiology of autism. En ligne : http://dx.doi.org/10.1002/aur.1644 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=303
in Autism Research > 10-2 (February 2017) . - p.224-232[article] Prevalence and associated features of autism spectrum disorder in extremely low gestational age newborns at age 10 years [Texte imprimé et/ou numérique] / Robert M. JOSEPH, Auteur ; Thomas M. O'SHEA, Auteur ; Elizabeth N. ALLRED, Auteur ; Tim HEEREN, Auteur ; Deborah HIRTZ, Auteur ; Nigel PANETH, Auteur ; Alan LEVITON, Auteur ; Karl C. K. KUBAN, Auteur . - p.224-232.
Langues : Anglais (eng)
in Autism Research > 10-2 (February 2017) . - p.224-232
Mots-clés : diagnosis epidemiology – descriptive intellectual disability pre- and perinatal risk factors prevalence sex differences Index. décimale : PER Périodiques Résumé : We sought to estimate the prevalence of autism spectrum disorder (ASD) in children born extremely preterm relative to the U.S. population risk of 1.5% [CDC, 2014] using the best-available diagnostic procedures and minimizing confounding with other neurodevelopmental impairments. Eight hundred and eighty nine of 966 (92%) 10-year-old children from the Extremely Low Gestational Age Newborn birth cohort, delivered at 23–27 weeks gestation in 2002–2004, participated. Children meeting ASD screening criteria on the Social Communication Questionnaire were evaluated with the Autism Diagnostic Interview–Revised (ADI-R). Those meeting ADI-R criteria were assessed with the Autism Diagnostic Observation Schedule-2 (ADOS-2). A positive ADOS-2 score was the criterion for ASD. Twenty-six participants were not assessed for ASD because of severe sensory or motor impairment. In the remaining sample, 61 children met criteria for ASD, resulting in a prevalence of 7.1% (95% CI?=?5.5–9.0). ASD risk decreased with increasing gestational age, from 15.0% (95% CI?=?10.0–21.2) for 23–24 weeks, 6.5% (95% CI?=?4.2–9.4) for 25–26 weeks, to 3.4% (95% CI?=?1.6–6.1) for 27 weeks gestational age, and this association was independent of IQ. Among children with ASD, 40% had intellectual disability. The male-to-female ratio of children with ASD was 2.1:1 (95% CI?=?1.2:1–3.5:1), lower than in the general population (4:1). ASD prevalence in the ELGAN cohort was four times higher than in the general population, and was strongly associated with gestational age, underscoring the need for enhanced ASD screening of children born preterm, and suggesting that some risk factors associated with preterm birth may also play a role in the etiology of autism. En ligne : http://dx.doi.org/10.1002/aur.1644 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=303 Maternal hirsutism and autism spectrum disorders in offspring / Brian K. LEE in Autism Research, 10-9 (September 2017)
[article]
Titre : Maternal hirsutism and autism spectrum disorders in offspring Type de document : Texte imprimé et/ou numérique Auteurs : Brian K. LEE, Auteur ; Stefan ARVER, Auteur ; Linnea WIDMAN, Auteur ; Renee M. GARDNER, Auteur ; Cecilia MAGNUSSON, Auteur ; Christina DALMAN, Auteur ; Kyriaki KOSIDOU, Auteur Article en page(s) : p.1544-1546 Langues : Anglais (eng) Mots-clés : epidemiology - analytic (risk factors) pre- and perinatal risk factors environmental risk factors Index. décimale : PER Périodiques Résumé : Because animal and human studies indicate that androgen exposure can influence neurodevelopment, it has been hypothesized that prenatal exposure to excess androgens may predispose to disorders with male-skewed ratio such as autism spectrum disorders (ASD). Therefore, maternal conditions characterized by hyperandrogenism such as polycystic ovary syndrome (PCOS) or hirsutism may be relevant to child ASD. We previously found in a large Swedish case-control study of 23,748 ASD cases and 208,796 matched controls that PCOS in mothers is associated with increased offspring risk of ASD. In the same sample, we have now examined whether maternal diagnoses of hirsutism were associated with ASD. In both unadjusted logistic regression models and models adjusted for a variety of covariates, hirsutism was associated with higher odds of ASD. The most adjusted odds ratios for associations with ASD for hirsutism diagnosis before birth and lifetime diagnosis of hirsutism were 1.64 (95% CI: 0.94, 2.83) and 1.26 (95% CI: 1.01, 1.57), respectively. The presence of an association of maternal hirsutism with child ASD is consistent with the hypothesis that androgens may be involved in the etiology of ASD. En ligne : http://dx.doi.org/10.1002/aur.1797 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=320
in Autism Research > 10-9 (September 2017) . - p.1544-1546[article] Maternal hirsutism and autism spectrum disorders in offspring [Texte imprimé et/ou numérique] / Brian K. LEE, Auteur ; Stefan ARVER, Auteur ; Linnea WIDMAN, Auteur ; Renee M. GARDNER, Auteur ; Cecilia MAGNUSSON, Auteur ; Christina DALMAN, Auteur ; Kyriaki KOSIDOU, Auteur . - p.1544-1546.
Langues : Anglais (eng)
in Autism Research > 10-9 (September 2017) . - p.1544-1546
Mots-clés : epidemiology - analytic (risk factors) pre- and perinatal risk factors environmental risk factors Index. décimale : PER Périodiques Résumé : Because animal and human studies indicate that androgen exposure can influence neurodevelopment, it has been hypothesized that prenatal exposure to excess androgens may predispose to disorders with male-skewed ratio such as autism spectrum disorders (ASD). Therefore, maternal conditions characterized by hyperandrogenism such as polycystic ovary syndrome (PCOS) or hirsutism may be relevant to child ASD. We previously found in a large Swedish case-control study of 23,748 ASD cases and 208,796 matched controls that PCOS in mothers is associated with increased offspring risk of ASD. In the same sample, we have now examined whether maternal diagnoses of hirsutism were associated with ASD. In both unadjusted logistic regression models and models adjusted for a variety of covariates, hirsutism was associated with higher odds of ASD. The most adjusted odds ratios for associations with ASD for hirsutism diagnosis before birth and lifetime diagnosis of hirsutism were 1.64 (95% CI: 0.94, 2.83) and 1.26 (95% CI: 1.01, 1.57), respectively. The presence of an association of maternal hirsutism with child ASD is consistent with the hypothesis that androgens may be involved in the etiology of ASD. En ligne : http://dx.doi.org/10.1002/aur.1797 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=320