{"id":31514,"date":"2010-07-09T04:00:00","date_gmt":"2010-07-09T08:00:00","guid":{"rendered":"https:\/\/www.yorku.ca\/researchdev\/2010\/07\/09\/professor-dorota-crawfords-research-shows-misoprostol-prevents-cell-communication-2\/"},"modified":"2025-01-29T14:41:08","modified_gmt":"2025-01-29T19:41:08","slug":"professor-dorota-crawfords-research-shows-misoprostol-prevents-cell-communication-2","status":"publish","type":"post","link":"https:\/\/www.yorku.ca\/research\/2010\/07\/09\/professor-dorota-crawfords-research-shows-misoprostol-prevents-cell-communication-2\/","title":{"rendered":"Professor Dorota Crawford's research shows misoprostol prevents cell communication"},"content":{"rendered":"

Drug has been linked to neurodevelopmental defects associated with autism<\/h4>\n

A York University study has shown for the first time how the drug misoprostol, which has been linked to neurodevelopmental defects associated with autism, interferes with neuronal cell function.<\/p>\n

It is an important finding because misoprostol<\/a> is similar in structure to naturally occurring prostaglandins, which are the key signalling molecules produced by fatty acids in the brain.\u00a0The drug is\u00a0used to prevent ulcers in people who take certain arthritis or pain medicines, including aspirin, that can cause ulcers. It protects the stomach lining and decreases stomach acid secretion.<\/p>\n

Past clinical studies have shown an association between misoprostol and severe neurodevelopmental defects including autism symptoms. Those studies looked at cases in Brazil in which women misused the drug early in pregnancy in unsuccessful attempts to terminate their pregnancies.<\/p>\n

The York study examined mouse neuronal cells to discover how the drug actually interferes at a molecular level with prostaglandins, which are important for development and communication of cells in the brain.<\/p>\n

\u201cEarly in the first trimester of pregnancy, neuronal cells reach out to communicate with one another,\u201d says Dorota Crawford, a professor in the School of Kinesiology & Health Science in York\u2019s Faculty of Health.\u00a0\u201cOur study shows that misoprostol interferes with this process by increasing the level of calcium ions in neuronal extensions, which reduces the number and length of these extensions. It prevents the cells from communicating with each other. If changes in prostaglandin level alter the development or differentiation of cells, it may have a physiological impact.\u201d<\/p>\n

\"\"Left: Dorota Crawford<\/strong><\/p>\n

Crawford and Javaneh Tamiji, who undertook the research for her master\u2019s thesis in the Neuroscience Graduate Diploma Program<\/a> at York, co-authored a study published online in the journal Biochemical and Biophysical Research Communications<\/em>: \u201cProstaglandin E2 and misoprostol induce neurite retraction in Neuro-2a cells\u201d.<\/p>\n

There is no indication that women in Canada are misusing misoprostol to terminate pregnancies, and in fact the drug is used safely for other purposes such as treatment and prevention of gastrointestinal ulcers. However, during early neuronal development the drug misoprostol or other environmental factors such as infections or inflammations, which can also increase the level of prostaglandins, may interfere with normal brain function, says Crawford.<\/p>\n

\"\"Right: Javaneh Tamiji<\/strong><\/p><\/blockquote>\n

Crawford and Tamiji focused on the drug misoprostol because they had evidence from\u00a0clinical studies of the neurotoxic effects of the drug. They used misoprostol and the naturally occurring prostaglandins side by side in their study and found that both compounds produced the same effects on neuronal cell function.<\/p>\n

The study shows that misoprostol interferes with the prostaglandin pathway in a dose-dependent manner \u2013 in other words, the higher the dose, the greater the problems created.<\/p>\n

\u201cWhat that indicates to us is whether it is infection that will activate it or whether it is the drug, it will cause the same effect,\u201d says Crawford.<\/p>\n

Now that it has been shown that misoprostol affects interaction between cells, the next step will be to do animal studies on mice to examine the physiological impacts on particular parts of the brain, she says.<\/p>\n

Crawford\u2019s lab is one of very few in the world that has adopted a multidisciplinary approach to the study of autism spectrum disorders, using molecular techniques to understand the link between causative biological factors (genes and environment) and the behavioural expression.<\/p>\n

This research was funded by the Natural Sciences\u00a0& Engineering Research Council of Canada<\/a>. The Canada Foundation for Innovation<\/a> provided equipment used in the study.<\/p>\n

It has also received coverage on MedicalNewsToday.com:<\/p>\n

A York University study has shown for the first time how the drug misoprostol, which has been linked to neurodevelopmental defects associated with autism, interferes with neuronal cell function.<\/p>\n

York University Professor Dorota Crawford, of the School of Kinesiology & Health Science in the Faculty of Science & Enginering, and graduate student Javaneh Tamiji, who undertook the research for her master\u2019s thesis in the Neuroscience Graduate Diploma Program at York, co-authored a study published online in the journal Biochemical and Biophysical Research Communications<\/em>: \u201cProstaglandin E2 and misoprostol induce neurite retraction in Neuro-2a cells\u201d.<\/p><\/blockquote>\n

By Janice Walls, media relations officer<\/em><\/p>\n

Republished <\/em>courtesy <\/em>of <\/em>YFile<\/a>\u2013 York University\u2019s daily e-bulletin.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Drug has been linked to neurodevelopmental defects associated with autism A York University study has shown for the first time how the drug misoprostol, which has been linked to neurodevelopmental defects associated with autism, interferes with neuronal cell function. It is an important finding because misoprostol is similar in structure to naturally occurring prostaglandins, which […]<\/p>\n","protected":false},"author":37,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[42,6197,6196,58,39,205,136,41],"tags":[185,1446,461,1708,187,38,1012,731,1748,404,235,189,237,1853,40,1312,567],"class_list":["post-31514","post","type-post","status-publish","format-standard","hentry","category-announcements","category-external-grants-grants-announcements","category-grants-announcements","category-health-research","category-news","category-research-support","category-science","category-students","tag-autism","tag-birth-control","tag-canada-foundation-for-innovation","tag-cfi","tag-dorota-crawford","tag-faculty-of-health","tag-graduate-students","tag-janice-walls","tag-javaneh-tamiji","tag-journal-article","tag-natural-sciences-and-engineering-research-council-of-canada","tag-neuroscience","tag-nserc","tag-pregnancy","tag-school-of-kinesiology-health-science","tag-womens-health","tag-york-in-the-media"],"acf":[],"yoast_head":"\nProfessor Dorota Crawford's research shows misoprostol prevents cell communication | Research & Innovation<\/title>\n<meta name=\"description\" content=\"For immediate release: Professor Dorota Crawford's research shows misoprostol prevents cell communication. 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