{"title":"Sensitivity of cultured chick embryo heart cells to acetylcholine. Evidence for nicotinic and muscarinic receptors.","authors":"G Suignard-Khaskiye, G Le Douarin","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Sensitivity of cultured chick embryo heart cells to acetylcholine changes with time in culture. In 24 h cultures, about 25% of the cells exhibit a positive chronotropic response to acetylcholine. This effect is no longer observed after 48 h in culture. Positive and negative chronotropic effects of acetylcholine can be related to the presence of nicotinic and muscarinic receptors evidenced by autoradiography. Some data suggest a possible relationship between the type of sensitivity to acetylcholine and the changes in cell membrane properties occurring in culture.</p>","PeriodicalId":75532,"journal":{"name":"Archives d'anatomie microscopique et de morphologie experimentale","volume":"74 4","pages":"237-45"},"PeriodicalIF":0.0000,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Archives d'anatomie microscopique et de morphologie experimentale","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Sensitivity of cultured chick embryo heart cells to acetylcholine changes with time in culture. In 24 h cultures, about 25% of the cells exhibit a positive chronotropic response to acetylcholine. This effect is no longer observed after 48 h in culture. Positive and negative chronotropic effects of acetylcholine can be related to the presence of nicotinic and muscarinic receptors evidenced by autoradiography. Some data suggest a possible relationship between the type of sensitivity to acetylcholine and the changes in cell membrane properties occurring in culture.
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