{"title":"维拉帕米减轻喹啉酸诱导的大鼠海马神经元损伤。","authors":"E Matyja, E Kida","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The effect of the organic calcium channel blocker, verapamil, on quinolinic acid (QUIN) neurotoxicity in rat hippocampal cultures was studied. Verapamil and QUIN, both in 100 microns concentration, were added simultaneously to the culture medium. Ultrastructural analysis showed that verapamil was able to reduce typical QUIN-induced tissue damages. Especially, 3 and 7 days after exposure to the two agents, majority of both neurons and postsynaptic dendrites revealed normally appearing morphological features. The results support the suggestion of the important role of calcium entry in the development of QUIN neurotoxicity.</p>","PeriodicalId":76212,"journal":{"name":"Neuropatologia polska","volume":"31 1-2","pages":"37-44"},"PeriodicalIF":0.0000,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Verapamil reduces quinolinic acid-induced neuronal damage in rat hippocampus in vitro.\",\"authors\":\"E Matyja, E Kida\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The effect of the organic calcium channel blocker, verapamil, on quinolinic acid (QUIN) neurotoxicity in rat hippocampal cultures was studied. Verapamil and QUIN, both in 100 microns concentration, were added simultaneously to the culture medium. Ultrastructural analysis showed that verapamil was able to reduce typical QUIN-induced tissue damages. Especially, 3 and 7 days after exposure to the two agents, majority of both neurons and postsynaptic dendrites revealed normally appearing morphological features. The results support the suggestion of the important role of calcium entry in the development of QUIN neurotoxicity.</p>\",\"PeriodicalId\":76212,\"journal\":{\"name\":\"Neuropatologia polska\",\"volume\":\"31 1-2\",\"pages\":\"37-44\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Neuropatologia polska\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Neuropatologia polska","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Verapamil reduces quinolinic acid-induced neuronal damage in rat hippocampus in vitro.
The effect of the organic calcium channel blocker, verapamil, on quinolinic acid (QUIN) neurotoxicity in rat hippocampal cultures was studied. Verapamil and QUIN, both in 100 microns concentration, were added simultaneously to the culture medium. Ultrastructural analysis showed that verapamil was able to reduce typical QUIN-induced tissue damages. Especially, 3 and 7 days after exposure to the two agents, majority of both neurons and postsynaptic dendrites revealed normally appearing morphological features. The results support the suggestion of the important role of calcium entry in the development of QUIN neurotoxicity.
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