{"title":"凝血酶受体激活肽诱导的细胞效应:人血小板活化与猪肺动脉内皮依赖性松弛的比较研究。","authors":"E Glusa, M Paintz, T P Zucker, K Schrör","doi":"10.1007/978-3-0348-7346-8_41","DOIUrl":null,"url":null,"abstract":"<p><p>The thrombin receptor activating peptides with 6 and 14 amino acids (TRAP-6,TRAP-14) caused aggregation of washed platelets as well as of platelets in citrated and hirudin plasma. Stimulation of platelets was associated with an increase in cytosolic Ca2+ and formation of thromboxane. In porcine pulmonary arteries they induced reversible endothelium-dependent relaxation of precontracted vessels via release of endothelium-derived nitric oxide. TRAP-6 and TRAP-14 did not differ in their intrinsic activity. Both peptides possess thrombin-like activity, but their potency is more than three orders of magnitude lower than that of thrombin.</p>","PeriodicalId":7491,"journal":{"name":"Agents and actions. Supplements","volume":"45 ","pages":"303-7"},"PeriodicalIF":0.0000,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Thrombin receptor activating peptide-induced cellular effects: comparative studies on human platelet activation and endothelium-dependent relaxation of porcine pulmonary arteries.\",\"authors\":\"E Glusa, M Paintz, T P Zucker, K Schrör\",\"doi\":\"10.1007/978-3-0348-7346-8_41\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The thrombin receptor activating peptides with 6 and 14 amino acids (TRAP-6,TRAP-14) caused aggregation of washed platelets as well as of platelets in citrated and hirudin plasma. Stimulation of platelets was associated with an increase in cytosolic Ca2+ and formation of thromboxane. In porcine pulmonary arteries they induced reversible endothelium-dependent relaxation of precontracted vessels via release of endothelium-derived nitric oxide. TRAP-6 and TRAP-14 did not differ in their intrinsic activity. Both peptides possess thrombin-like activity, but their potency is more than three orders of magnitude lower than that of thrombin.</p>\",\"PeriodicalId\":7491,\"journal\":{\"name\":\"Agents and actions. Supplements\",\"volume\":\"45 \",\"pages\":\"303-7\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Agents and actions. Supplements\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1007/978-3-0348-7346-8_41\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Agents and actions. Supplements","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/978-3-0348-7346-8_41","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thrombin receptor activating peptide-induced cellular effects: comparative studies on human platelet activation and endothelium-dependent relaxation of porcine pulmonary arteries.
The thrombin receptor activating peptides with 6 and 14 amino acids (TRAP-6,TRAP-14) caused aggregation of washed platelets as well as of platelets in citrated and hirudin plasma. Stimulation of platelets was associated with an increase in cytosolic Ca2+ and formation of thromboxane. In porcine pulmonary arteries they induced reversible endothelium-dependent relaxation of precontracted vessels via release of endothelium-derived nitric oxide. TRAP-6 and TRAP-14 did not differ in their intrinsic activity. Both peptides possess thrombin-like activity, but their potency is more than three orders of magnitude lower than that of thrombin.
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