{"id":12610,"date":"2021-05-18T18:59:29","date_gmt":"2021-05-18T23:59:29","guid":{"rendered":"https:\/\/last-drum.flywheelsites.com\/?p=12610"},"modified":"2024-06-05T10:27:04","modified_gmt":"2024-06-05T15:27:04","slug":"maternal-antibodies-asd","status":"publish","type":"post","link":"https:\/\/autism.org\/maternal-antibodies-asd\/","title":{"rendered":"Research Updates on Maternal Autoantibodies and ASD"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_6 1_6 fusion-one-sixth fusion-column-first\" style=\"--awb-padding-top:80px;--awb-bg-size:cover;width:13.3333%; margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:30px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_2_3 2_3 fusion-two-third\" style=\"--awb-padding-top:80px;--awb-bg-size:cover;width:65.3333%; margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-text fusion-text-1\"><div data-active-view=\"true\" data-view=\"registration\/body\/body.description\" data-bind=\"visible:getWebinarInfo().description\">\n<div class=\"description trainingDescription\">\n<div class=\"clearfix\">\n<p><span style=\"font-weight: 400;\"><a href=\"#jump\">Judy Van de Water, Ph.D.,<\/a> discusses current machine learning research used to identify several patterns of maternal autoantibodies associated with the diagnosis and severity of autism. She outlines the history of autoantibody research related to autism, defines a new subtype, and details animal model development. Van de Water discusses commonalities across presented models and findings, highlighting the potential for biomarkers and preclinical studies. She summarizes significant findings and research themes before opening the question and answer session.<\/span><\/p>\n<\/div>\n<\/div>\n<div>Learn more about our speaker, Judy Van de Water, Ph.D., <a href=\"#jump\">HERE<\/a><\/div>\n<div>Take the knowledge quiz <a href=\"#jump\">HERE<\/a><\/div>\n<\/div>\n<\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:30px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-video fusion-youtube fusion-aligncenter\" style=\"--awb-max-width:1500px;--awb-max-height:844px;--awb-width:100%;\"><div class=\"video-shortcode\"><div class=\"fluid-width-video-wrapper\" style=\"padding-top:56.27%;\" ><iframe title=\"YouTube video player 1\" src=\"https:\/\/www.youtube.com\/embed\/mPkbIepp6vc?wmode=transparent&autoplay=0\" width=\"1500\" height=\"844\" allowfullscreen allow=\"autoplay; fullscreen\"><\/iframe><\/div><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:30px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-text fusion-text-2\"><h3><strong>In this webinar:\u00a0<\/strong><\/h3>\n<p><b>1:05 &#8211; <\/b><span style=\"font-weight: 400;\">New way of looking at autism<br \/>\n<\/span><b>2:55 &#8211; <\/b><span style=\"font-weight: 400;\">Goals of autism research<br \/>\n<\/span><b>4:17 &#8211; <\/b><span style=\"font-weight: 400;\">\u00a0Maternal Autoantibody Related Autism (MAR-ASD)<br \/>\n<\/span><b>6:35 &#8211; <\/b><span style=\"font-weight: 400;\">Initial studies and findings<br \/>\n<\/span><b>9:29 &#8211; <\/b><span style=\"font-weight: 400;\">MAR target proteins<br \/>\n<\/span><b>13:24 &#8211; <\/b><span style=\"font-weight: 400;\">ADOS and SCQ<br \/>\n<\/span><b>15:05 &#8211; <\/b><span style=\"font-weight: 400;\">Modifiable risk factors<br \/>\n<\/span><b>16:03 &#8211; <\/b><span style=\"font-weight: 400;\">Pathogenic autoantibodies<br \/>\n<\/span><b>17:05 &#8211; <\/b><span style=\"font-weight: 400;\">Passive transfer models<br \/>\n<\/span><b>19:35 &#8211; <\/b><span style=\"font-weight: 400;\">Rhesus Monkeys &#8211; atypical social development and brain volume<br \/>\n<\/span><b>20:57 &#8211; <\/b><span style=\"font-weight: 400;\">Maternal autoantibody model<br \/>\n<\/span><b>21:00 &#8211; <\/b><span style=\"font-weight: 400;\">MAR antibodies localize in the brain<br \/>\n<\/span><b>23:38 &#8211; <\/b><span style=\"font-weight: 400;\">MAR antibodies taken up into developing neurons<br \/>\n<\/span><b>26:03 &#8211; <\/b><span style=\"font-weight: 400;\">Golgi strain of mature neurons<br \/>\n<\/span><b>27:25 &#8211; <\/b><span style=\"font-weight: 400;\">Development of rodent model<br \/>\n<\/span><b>31:32 &#8211; <\/b><span style=\"font-weight: 400;\">Clarity imaging of MAR-ASD offspring<br \/>\n<\/span><b>33:43 &#8211; <\/b><span style=\"font-weight: 400;\">Video: decreased sociability in juvenile MAR-ASD mice<br \/>\n<\/span><b>36:10 &#8211; <\/b><span style=\"font-weight: 400;\">Voice prints of MAR-ASD male mice<br \/>\n<\/span><b>37:40 &#8211; <\/b><span style=\"font-weight: 400;\">Development of preclinical rat model<br \/>\n<\/span><b>40:25 &#8211; <\/b><span style=\"font-weight: 400;\">Video: rat behavior<br \/>\n<\/span><b>42:00 &#8211; <\/b><span style=\"font-weight: 400;\">Commonalities across models<br \/>\n<\/span><b>42:35 &#8211; <\/b><span style=\"font-weight: 400;\">Conclusions<br \/>\n<\/span><b>45:05 &#8211; <\/b><span style=\"font-weight: 400;\">Q&amp;A<\/span><\/p>\n<h3><strong>Summary<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Over the last two decades, autism researchers have shifted focus to studying immune systems and their role in autism and development <\/span><b>(1:05)<\/b><span style=\"font-weight: 400;\">. Van de Water outlines Maternal Autoantibody Related Autism (MAR-ASD), a new subtype characterized by the maternal transfer of autoantibodies to the gestational immune environment <\/span><b>(4:30)<\/b><span style=\"font-weight: 400;\">. Autoantibodies are antibodies that mistakenly bind to self-proteins instead of foreign bodies <\/span><b>(2:00)<\/b><span style=\"font-weight: 400;\">. In MAR-ASD, autoantibodies cross the placenta and bind to targets in the developing brain, changing neuronal development. MAR-ASD cases make up 18-26% of autism diagnoses, and individuals in this subgroup have more severe behaviors, pronounced stereotypy, and significantly larger brain volume <\/span><b>(6:11)<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Van de Water outlines the initial findings of a subset of mothers who produced anti-brain antibodies and have children with autism <\/span><b>(7:00)<\/b><span style=\"font-weight: 400;\">. She lists subsequent studies relating autoantibodies to autism behavior, genetics, animal models, and more <\/span><b>(6:35)<\/b><span style=\"font-weight: 400;\">. Eight MAR target proteins have been identified <\/span><b>(9:25) <\/b><span style=\"font-weight: 400;\">as potential biomarkers associated with autism (100% accuracy) <\/span><b>(12:55)<\/b><span style=\"font-weight: 400;\">. Studies have also found that MAR+ children score significantly higher on the ADOS and SCQ compared to MAR- groups <\/span><b>(13:24)<\/b><span style=\"font-weight: 400;\">. Specifically, when the CRMP1 autoantibody is present, ADOS severity increases by 2.3 points. The speaker lists modifiable risk factors for mothers <\/span><b>(15:05)<\/b><span style=\"font-weight: 400;\"> and outlines her research approach to assessing whether these autoantibodies are pathogenic <\/span><b>(16:00)<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">She describes Passive Transfer models where human IgG reactive to target proteins are injected into an animal during pregnancy <\/span><b>(17:04)<\/b><span style=\"font-weight: 400;\">. A Rhesus Monkey study <\/span><b>(17:18)<\/b><span style=\"font-weight: 400;\"> found mothers to be overprotective, and offspring showed evidence of impaired social behaviors <\/span><b>(18:10)<\/b><span style=\"font-weight: 400;\">. The same study revealed that monkeys with MAR antibodies (LDH, STIP1, CRMP1) had larger brains <\/span><b>(20:30)<\/b><span style=\"font-weight: 400;\">. These findings replicate a previous brain volume study on human children with MAR-ASD <\/span><b>(20:57)<\/b><span style=\"font-weight: 400;\">, suggesting that these antibodies have some physiologic effect on brain development.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A passive transfer rodent model of MAR-ASD found that autoantibodies localize to the brain during gestation and up to 12 hours after birth <\/span><b>(21:00)<\/b><span style=\"font-weight: 400;\">. Van de Water outlines similar findings that show MAR antibodies taken up into developing neurons <\/span><b>(23:38)<\/b><span style=\"font-weight: 400;\"> and change the way neurons mature <\/span><b>(26:03)<\/b><span style=\"font-weight: 400;\">. She describes the development of a MAR autism rodent model using active immunization before breeding <\/span><b>(27:05)<\/b><span style=\"font-weight: 400;\"> and discusses the lack of behavioral differences between males and females and the revealed relationship between brain size and severity of behaviors <\/span><b>(29:00)<\/b><span style=\"font-weight: 400;\">. A clarity imaging (3-D) study of postnatal mice brains found autoantibodies bound to target proteins inside dividing cells <\/span><b>(31:32)<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The speaker presents video studies showing decreased sociability in juvenile MAR-ASD mice offspring compared to stimulus mice <\/span><b>(33:43)<\/b><span style=\"font-weight: 400;\"> and highlights the fact that these antibodies are causing differences in brain development and pathology <\/span><b>(35:26)<\/b><span style=\"font-weight: 400;\">. Similarly, MAR-ASD male mice recorded significantly smaller voice prints when first exposed to estrus (ready to breed) females compared to the control <\/span><b>(36:10)<\/b><span style=\"font-weight: 400;\">. Comparable studies conducted with rats <\/span><b>(37:40)<\/b><span style=\"font-weight: 400;\"> reported the same outcomes for social interaction, increased repetitive behaviors, and reduced vocalization <\/span><b>(38:50)<\/b><span style=\"font-weight: 400;\">. Dr. Van de Water highlights commonalities across the models presented <\/span><b>(42:00) <\/b><span style=\"font-weight: 400;\">and summarizes the main findings <\/span><b>(42:35)<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">She emphasizes that gestational immune dysregulation may be an underlying mechanism linked to infections during pregnancy and that humans, mice, monkeys, and rats exposed to MAR autoantibodies all have enlarged brains. The presenter notes that rodent MAR-ASD models capture all three domains of autism (social, communication, and repetitive behavior) and that autoantibodies have structural effects on neurodevelopment and cerebral volume. Van de Water closes with a Q &amp; A session where she discusses details of current studies and more <\/span><b>(45:05)<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_6 1_6 fusion-one-sixth fusion-column-last\" style=\"--awb-padding-top:80px;--awb-bg-size:cover;width:13.3333%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:30px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div id=\"jump\" class=\"fusion-container-anchor\"><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_3 1_3 fusion-one-third fusion-column-first\" style=\"--awb-bg-size:cover;width:33.333333333333%;width:calc(33.333333333333% - ( ( 4% ) * 0.33333333333333 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-3\"><h3>About the speaker:<\/h3>\n<div>\n<div class=\"z-form-row\">\n<div class=\"form-group\">\n<p><img decoding=\"async\" class=\"lazyload alignleft wp-image-2758 size-full\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27107%27%20height%3D%27145%27%20viewBox%3D%270%200%20107%20145%27%3E%3Crect%20width%3D%27107%27%20height%3D%27145%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2019\/01\/Judy-VandeWater-Ph.D..jpg\" alt=\"\" width=\"107\" height=\"145\" \/><\/p>\n<div class=\"content col-md-offset-2\">Judy Van de Water, PhD, joined the faculty in the Department of Internal Medicine at the University of California, Davis in 1999. In 2000, she also joined the faculty of the newly formed UC Davis M.I.N.D. Institute when she began her research on the immunobiology of autism. Dr. Van de Water\u2019s laboratory pursues research programs pertaining to autoimmune and clinical immune-based disorders including the biological aspects of autism spectrum disorders. The application of Dr. Van de Water\u2019s immunopathology background has been instrumental in the dissection of the immune anomalies noted in some individuals with autism, and in the differentiation of various autism behavioral phenotypes at a biological level. Most notable of these is the investigation of the maternal immune system as it relates to autism spectrum disorders, with particular emphasis on the presence of highly specific maternal autoantibodies to fetal brain proteins. Dr. Van de Water\u2019s seminal work in this area has led to a highly specific biomarker of autism risk as well as three patents leading to the commercialization of this technology. Dr. Van de Water is currently the Director of the NIEHS funded Center for Children\u2019s Environmental Health at UC Davis, investigating potential environmental risk factors contributing to the incidence and severity of childhood autism.<\/div>\n<\/div>\n<\/div>\n<div class=\"z-form-row\">\n<div class=\"form-group\"><\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:40px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:40px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:40px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_2_3 2_3 fusion-two-third fusion-column-last\" style=\"--awb-bg-size:cover;width:66.666666666667%;width:calc(66.666666666667% - ( ( 4% ) * 0.66666666666667 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-4\"><h4>Take the knowledge quiz<\/h4>\n<p>Can&#8217;t see the quiz below? 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fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:30px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-recent-posts fusion-recent-posts-1 avada-container layout-default layout-columns-3\"><section class=\"fusion-columns columns fusion-columns-3 columns-3\"><article class=\"post fusion-column column col col-lg-4 col-md-4 col-sm-4\"><div class=\"fusion-flexslider fusion-flexslider-loading flexslider flexslider-hover-type-none\"><ul class=\"slides\"><li><a href=\"https:\/\/autism.org\/emerging-research-on-autism-rates-and-covid\/\" aria-label=\"Emerging Research on Autism Rates and Covid\" class=\"hover-type-none\"><img decoding=\"async\" width=\"700\" height=\"441\" src=\"https:\/\/autism.org\/wp-content\/uploads\/2021\/06\/AdobeStock_416761381-700x441.jpeg\" class=\"attachment-recent-posts size-recent-posts lazyload\" alt=\"Doctor is doing ultrasound screening for a pregnant woman\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%272560%27%20height%3D%271350%27%20viewBox%3D%270%200%202560%201350%27%3E%3Crect%20width%3D%272560%27%20height%3D%271350%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2021\/06\/AdobeStock_416761381-700x441.jpeg\" data-srcset=\"https:\/\/autism.org\/wp-content\/uploads\/2021\/06\/AdobeStock_416761381-320x202.jpeg 320w, https:\/\/autism.org\/wp-content\/uploads\/2021\/06\/AdobeStock_416761381-700x441.jpeg 700w\" data-sizes=\"auto\" \/><\/a><\/li><\/ul><\/div><div class=\"recent-posts-content\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2025-11-25T15:01:19-05:00<\/span><h4 class=\"entry-title\"><a href=\"https:\/\/autism.org\/emerging-research-on-autism-rates-and-covid\/\">Emerging Research on Autism Rates and Covid<\/a><\/h4><p class=\"meta\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2025-11-25T15:01:19-05:00<\/span><span>April 22nd, 2026<\/span><span class=\"fusion-inline-sep\">|<\/span><a href=\"https:\/\/autism.org\/category\/covid-19\/\" rel=\"category tag\">COVID-19<\/a>, <a href=\"https:\/\/autism.org\/category\/health\/\" rel=\"category tag\">Health<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/immune-issues\/\" rel=\"category tag\">Immune Issues<\/a>, <a href=\"https:\/\/autism.org\/category\/medical-care\/\" rel=\"category tag\">Medical Care<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/neurological\/\" rel=\"category tag\">Neurological<\/a>, <a href=\"https:\/\/autism.org\/category\/parenting\/\" rel=\"category tag\">Parenting<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/prenatal-health\/\" rel=\"category tag\">Pregnancy<\/a>, <a href=\"https:\/\/autism.org\/category\/research\/\" rel=\"category tag\">Research<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/research-webinar\/\" rel=\"category tag\">Research<\/a>, <a href=\"https:\/\/autism.org\/webinars\/\" rel=\"category tag\">Webinar<\/a><span class=\"fusion-inline-sep\">|<\/span><\/p><p>  Free webinar at 1:00 p.m. Eastern time (US), April 22, 2026 Tune in to hear about the Columbia University COVID-19 Mother Baby Outcomes Initiative (COMBO), which resulted in the first report demonstrating that<\/p><\/div><\/article><article class=\"post fusion-column column col col-lg-4 col-md-4 col-sm-4\"><div class=\"fusion-flexslider fusion-flexslider-loading flexslider flexslider-hover-type-none\"><ul class=\"slides\"><li><a href=\"https:\/\/autism.org\/how-genetics-is-shaping-the-field-of-autism-research\/\" aria-label=\"How Genetics is Shaping the Field of Autism Research\" class=\"hover-type-none\"><img decoding=\"async\" width=\"700\" height=\"441\" src=\"https:\/\/autism.org\/wp-content\/uploads\/2018\/12\/genes-4-700x441.jpg\" class=\"attachment-recent-posts size-recent-posts lazyload\" alt=\"Medical professional conducting a test or analysis\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271000%27%20height%3D%27667%27%20viewBox%3D%270%200%201000%20667%27%3E%3Crect%20width%3D%271000%27%20height%3D%27667%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2018\/12\/genes-4-700x441.jpg\" data-srcset=\"https:\/\/autism.org\/wp-content\/uploads\/2018\/12\/genes-4-320x202.jpg 320w, https:\/\/autism.org\/wp-content\/uploads\/2018\/12\/genes-4-700x441.jpg 700w\" data-sizes=\"auto\" \/><\/a><\/li><\/ul><\/div><div class=\"recent-posts-content\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2026-02-23T14:19:25-05:00<\/span><h4 class=\"entry-title\"><a href=\"https:\/\/autism.org\/how-genetics-is-shaping-the-field-of-autism-research\/\">How Genetics is Shaping the Field of Autism Research<\/a><\/h4><p class=\"meta\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2026-02-23T14:19:25-05:00<\/span><span>January 27th, 2026<\/span><span class=\"fusion-inline-sep\">|<\/span><a href=\"https:\/\/autism.org\/category\/webinar\/environmental-factors\/\" rel=\"category tag\">Environmental Factors<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/genetics\/\" rel=\"category tag\">Genetics<\/a>, <a href=\"https:\/\/autism.org\/category\/health\/\" rel=\"category tag\">Health<\/a>, <a href=\"https:\/\/autism.org\/category\/medical-care\/\" rel=\"category tag\">Medical Care<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/neurological\/\" rel=\"category tag\">Neurological<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/research-webinar\/\" rel=\"category tag\">Research<\/a>, <a href=\"https:\/\/autism.org\/category\/research\/\" rel=\"category tag\">Research<\/a>, <a href=\"https:\/\/autism.org\/webinars\/\" rel=\"category tag\">Webinar<\/a><span class=\"fusion-inline-sep\">|<\/span><\/p><p>      Learn about how research on genetic influences is shaping our understanding of autism.      About the speaker: M. Pilar Trelles, MD, is a licensed and<\/p><\/div><\/article><article class=\"post fusion-column column col col-lg-4 col-md-4 col-sm-4\"><div class=\"fusion-flexslider fusion-flexslider-loading flexslider flexslider-hover-type-none\"><ul class=\"slides\"><li><a href=\"https:\/\/autism.org\/new-research-points-to-alterations-in-bpa-excretion-pathway-in-children-with-autism-adhd\/\" aria-label=\"New research points to alterations in BPA excretion pathway in children with autism, ADHD\" class=\"hover-type-none\"><img decoding=\"async\" width=\"700\" height=\"441\" src=\"https:\/\/autism.org\/wp-content\/uploads\/2024\/01\/water-bottles-sm-1200x556-1-700x441.jpg\" class=\"attachment-recent-posts size-recent-posts lazyload\" alt=\"Multiple water bottles with diverse colors and designs\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271200%27%20height%3D%27556%27%20viewBox%3D%270%200%201200%20556%27%3E%3Crect%20width%3D%271200%27%20height%3D%27556%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2024\/01\/water-bottles-sm-1200x556-1-700x441.jpg\" data-srcset=\"https:\/\/autism.org\/wp-content\/uploads\/2024\/01\/water-bottles-sm-1200x556-1-320x202.jpg 320w, https:\/\/autism.org\/wp-content\/uploads\/2024\/01\/water-bottles-sm-1200x556-1-700x441.jpg 700w\" data-sizes=\"auto\" \/><\/a><\/li><\/ul><\/div><div class=\"recent-posts-content\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/nicoleautism-com\/\" title=\"Posts by Nicole\" rel=\"author\">Nicole<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2024-09-05T15:08:54-05:00<\/span><h4 class=\"entry-title\"><a href=\"https:\/\/autism.org\/new-research-points-to-alterations-in-bpa-excretion-pathway-in-children-with-autism-adhd\/\">New research points to alterations in BPA excretion pathway in children with autism, ADHD<\/a><\/h4><p class=\"meta\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/nicoleautism-com\/\" title=\"Posts by Nicole\" rel=\"author\">Nicole<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2024-09-05T15:08:54-05:00<\/span><span>January 17th, 2024<\/span><span class=\"fusion-inline-sep\">|<\/span><a href=\"https:\/\/autism.org\/category\/news\/\" rel=\"category tag\">News<\/a><span class=\"fusion-inline-sep\">|<\/span><\/p><p>    Children with autism spectrum disorders (ASD) may have a reduced ability to detoxify the chemical bisphenol A (BPA), according to new research. BPA is an industrial \u201cplasticizer\u201d used in plastic water<\/p><\/div><\/article><article class=\"post fusion-column column col col-lg-4 col-md-4 col-sm-4\"><div class=\"fusion-flexslider fusion-flexslider-loading flexslider flexslider-hover-type-none\"><ul class=\"slides\"><li><a href=\"https:\/\/autism.org\/animal-study-adds-to-evidence-of-link-between-pyrethroids-and-autism\/\" aria-label=\"Animal study adds to evidence of link between pyrethroids and autism\" class=\"hover-type-none\"><img decoding=\"async\" width=\"700\" height=\"441\" src=\"https:\/\/autism.org\/wp-content\/uploads\/2023\/10\/pesticide-700x441.jpeg\" class=\"attachment-recent-posts size-recent-posts lazyload\" alt=\"Worker spraying pesticides on tomato plants in a field\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%272560%27%20height%3D%271707%27%20viewBox%3D%270%200%202560%201707%27%3E%3Crect%20width%3D%272560%27%20height%3D%271707%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2023\/10\/pesticide-700x441.jpeg\" data-srcset=\"https:\/\/autism.org\/wp-content\/uploads\/2023\/10\/pesticide-320x202.jpeg 320w, https:\/\/autism.org\/wp-content\/uploads\/2023\/10\/pesticide-700x441.jpeg 700w\" data-sizes=\"auto\" \/><\/a><\/li><\/ul><\/div><div class=\"recent-posts-content\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2024-04-28T15:44:05-05:00<\/span><h4 class=\"entry-title\"><a href=\"https:\/\/autism.org\/animal-study-adds-to-evidence-of-link-between-pyrethroids-and-autism\/\">Animal study adds to evidence of link between pyrethroids and autism<\/a><\/h4><p class=\"meta\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2024-04-28T15:44:05-05:00<\/span><span>October 17th, 2023<\/span><span class=\"fusion-inline-sep\">|<\/span><a href=\"https:\/\/autism.org\/category\/news\/\" rel=\"category tag\">News<\/a><span class=\"fusion-inline-sep\">|<\/span><\/p><p>   A new animal study adds to evidence that prenatal exposure to common insecticides called pyrethroids may increase the likelihood of a child developing autism or another neurodevelopmental disorder. Melissa Curtis and colleagues,<\/p><\/div><\/article><article class=\"post fusion-column column col col-lg-4 col-md-4 col-sm-4\"><div class=\"fusion-flexslider fusion-flexslider-loading flexslider flexslider-hover-type-none\"><ul class=\"slides\"><li><a href=\"https:\/\/autism.org\/prenatal-exposure-to-cannabis-may-increase-likelihood-of-autism\/\" aria-label=\"Prenatal exposure to cannabis may increase likelihood of autism\" class=\"hover-type-none\"><img decoding=\"async\" width=\"700\" height=\"441\" src=\"https:\/\/autism.org\/wp-content\/uploads\/2023\/08\/Medical-marijuana-700x441.jpeg\" class=\"attachment-recent-posts size-recent-posts lazyload\" alt=\"Marijuana and cannabis oil bottles\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%272560%27%20height%3D%271702%27%20viewBox%3D%270%200%202560%201702%27%3E%3Crect%20width%3D%272560%27%20height%3D%271702%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2023\/08\/Medical-marijuana-700x441.jpeg\" data-srcset=\"https:\/\/autism.org\/wp-content\/uploads\/2023\/08\/Medical-marijuana-320x202.jpeg 320w, https:\/\/autism.org\/wp-content\/uploads\/2023\/08\/Medical-marijuana-700x441.jpeg 700w\" data-sizes=\"auto\" \/><\/a><\/li><\/ul><\/div><div class=\"recent-posts-content\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2024-04-28T15:45:52-05:00<\/span><h4 class=\"entry-title\"><a href=\"https:\/\/autism.org\/prenatal-exposure-to-cannabis-may-increase-likelihood-of-autism\/\">Prenatal exposure to cannabis may increase likelihood of autism<\/a><\/h4><p class=\"meta\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/melanie\/\" title=\"Posts by Melanie Glock\" rel=\"author\">Melanie Glock<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2024-04-28T15:45:52-05:00<\/span><span>August 29th, 2023<\/span><span class=\"fusion-inline-sep\">|<\/span><a href=\"https:\/\/autism.org\/category\/news\/\" rel=\"category tag\">News<\/a><span class=\"fusion-inline-sep\">|<\/span><\/p><p>   Cannabis use during pregnancy may alter placental and fetal DNA methylation (the process of turning genes \u201con\u201d and \u201coff\u201d) in ways that increase the likelihood of autism spectrum disorder (ASD) or other<\/p><\/div><\/article><article class=\"post fusion-column column col col-lg-4 col-md-4 col-sm-4\"><div class=\"fusion-flexslider fusion-flexslider-loading flexslider flexslider-hover-type-none\"><ul class=\"slides\"><li><a href=\"https:\/\/autism.org\/gestational-influences-2023\/\" aria-label=\"Gestational Influences and Autism\" class=\"hover-type-none\"><img decoding=\"async\" width=\"700\" height=\"441\" src=\"https:\/\/autism.org\/wp-content\/uploads\/2016\/09\/Untitled-design-67-700x441.jpg\" class=\"attachment-recent-posts size-recent-posts lazyload\" alt=\"pregnant woman, autism leucovorin and acetaminophen\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271280%27%20height%3D%27720%27%20viewBox%3D%270%200%201280%20720%27%3E%3Crect%20width%3D%271280%27%20height%3D%27720%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/autism.org\/wp-content\/uploads\/2016\/09\/Untitled-design-67-700x441.jpg\" data-srcset=\"https:\/\/autism.org\/wp-content\/uploads\/2016\/09\/Untitled-design-67-320x202.jpg 320w, https:\/\/autism.org\/wp-content\/uploads\/2016\/09\/Untitled-design-67-700x441.jpg 700w\" data-sizes=\"auto\" \/><\/a><\/li><\/ul><\/div><div class=\"recent-posts-content\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/autismadmin\/\" title=\"Posts by autismAdmin\" rel=\"author\">autismAdmin<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2023-06-20T21:04:21-05:00<\/span><h4 class=\"entry-title\"><a href=\"https:\/\/autism.org\/gestational-influences-2023\/\">Gestational Influences and Autism<\/a><\/h4><p class=\"meta\"><span class=\"vcard\" style=\"display: none;\"><span class=\"fn\"><a href=\"https:\/\/autism.org\/author\/autismadmin\/\" title=\"Posts by autismAdmin\" rel=\"author\">autismAdmin<\/a><\/span><\/span><span class=\"updated\" style=\"display:none;\">2023-06-20T21:04:21-05:00<\/span><span>April 18th, 2023<\/span><span class=\"fusion-inline-sep\">|<\/span><a href=\"https:\/\/autism.org\/category\/anxiety-2\/\" rel=\"category tag\">Anxiety<\/a>, <a href=\"https:\/\/autism.org\/category\/autism-spectrum-disorders\/\" rel=\"category tag\">Autism Spectrum Disorders<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/immune-issues\/\" rel=\"category tag\">Immune Issues<\/a>, <a href=\"https:\/\/autism.org\/category\/webinar\/prenatal-health\/\" rel=\"category tag\">Pregnancy<\/a>, <a href=\"https:\/\/autism.org\/category\/autism-spectrum-disorders\/ways-to-help\/\" rel=\"category tag\">Ways to Help<\/a>, <a href=\"https:\/\/autism.org\/webinars\/\" rel=\"category tag\">Webinar<\/a><span class=\"fusion-inline-sep\">|<\/span><\/p><p>  Dr. Judy Van de Water, Ph.D., explores the role of gestational factors in the development of autism. She explains how maternal immune activation, antibody patterns, and immune markers play significant roles in neurodevelopment<\/p><\/div><\/article><\/section><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":8130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31,18,24],"tags":[4711,5069,5515,4366],"class_list":["post-12610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-immune-issues","category-infants","category-webinar","tag-aging","tag-aging-and-autism","tag-aging-and-autism-webinar-lawson","tag-aging-out","webinar-author-judy-van-de-water-phd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Research Updates on Maternal Autoantibodies and ASD<\/title>\n<meta name=\"description\" content=\"Tune in to learn research updates on maternal autoantibodies highly associated with the diagnosis and severity of autism.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/autism.org\/maternal-antibodies-asd\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research Updates on Maternal Autoantibodies and ASD\" \/>\n<meta property=\"og:description\" content=\"Tune in to learn research updates on maternal autoantibodies highly associated with the diagnosis and severity of autism.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/autism.org\/maternal-antibodies-asd\/\" \/>\n<meta property=\"og:site_name\" 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