{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,11,19]],"date-time":"2023-11-19T11:16:31Z","timestamp":1700392591040},"reference-count":35,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2005,6,6]],"date-time":"2005-06-06T00:00:00Z","timestamp":1118016000000},"content-version":"vor","delay-in-days":5484,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Teratology"],"published-print":{"date-parts":[[1990,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A literature review of individual pregnancies and recent surveys involving large cohorts reveal an association between congenital malformation and maternal hyperthyroidism, suggesting that some aspect of hyperthyroidism or its treatment might compromise the development of the fetus. Experiments have shown that the thyroid antagonist, ethylenethiourea (ETU), causes fetal malformations when administered to pregnant rats, but it is not known whether it is ETU or the imbalance in maternal thyroid hormone which it causes which is the teratogenic agent. Here we employ in vitro culture to determine the possible direct effects on rat embryos of two thyroid antagonists, ETU and methimazole (MMI), the latter being one which is used for treatment of thyrotoxicosis in humans. It was found that ETU can compromise the development of rat embryos in vitro, confirming that ETU has a direct effect on the rat embryo. It was also found that MMI can cause abnormal development of rat embryos in vitro, although the concentration at which MMI disturbs rat embryogenesis is higher than that which is reached in hyperthyroid patients treated with clinical doses of MMI or carbimazole.<\/jats:p>","DOI":"10.1002\/tera.1420410609","type":"journal-article","created":{"date-parts":[[2005,6,12]],"date-time":"2005-06-12T04:14:50Z","timestamp":1118549690000},"page":"721-729","source":"Crossref","is-referenced-by-count":11,"title":["Effects of thyroid antagonists on rat embryos cultured in vitro"],"prefix":"10.1002","volume":"41","author":[{"given":"M.","family":"Stanisstreet","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. C.","family":"Herbert","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P. O. D.","family":"Pharoah","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,6,6]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1210\/jcem-11-10-1045"},{"key":"e_1_2_1_3_1","unstructured":"Barnes C. G.(1965)Medical Disorders in Pregnancy. Oxford U.K."},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/tera.1420240108"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1080\/15287397909529792"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/tera.1420350210"},{"key":"e_1_2_1_7_1","first-page":"1355","article-title":"Goitre and pregnancy","volume":"17","author":"Dean J. R.","year":"1927","journal-title":"Can. Med. Assoc. 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Gynecol."},{"key":"e_1_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-185X.1978.tb00993.x"},{"key":"e_1_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0480219"},{"key":"e_1_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0350135"},{"key":"e_1_2_1_25_1","first-page":"61","article-title":"The health and development of children from mothers with thyrotoxicosis","volume":"4","author":"Orlova O. I.","year":"1965","journal-title":"Akush. Ginekol. 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