K R Rasmussen, E G Martin, M J Arrowood, M C Healey
{"title":"地塞米松和脱氢表雄酮对小隐孢子虫感染免疫抑制大鼠的影响。","authors":"K R Rasmussen, E G Martin, M J Arrowood, M C Healey","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Treatment of rats immunosuppressed with dexamethasone and inoculated with Cryptosporidium parvum oocysts were treated with dehydroepiandrosterone. A significant reduction in cryptosporidial activity was observed as determined by oocyst shedding and colonization of host tissue by parasites. Dexamethasone treatment alone resulted in decreases in T-, B- and natural killer (NK) cell responses and antibody production that, with the exception of NK-cell activity, were all reversed after administration of dehydroepiandrosterone.</p>","PeriodicalId":22758,"journal":{"name":"The Journal of protozoology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1991-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effects of dexamethasone and dehydroepiandrosterone in immunosuppressed rats infected with Cryptosporidium parvum.\",\"authors\":\"K R Rasmussen, E G Martin, M J Arrowood, M C Healey\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Treatment of rats immunosuppressed with dexamethasone and inoculated with Cryptosporidium parvum oocysts were treated with dehydroepiandrosterone. A significant reduction in cryptosporidial activity was observed as determined by oocyst shedding and colonization of host tissue by parasites. Dexamethasone treatment alone resulted in decreases in T-, B- and natural killer (NK) cell responses and antibody production that, with the exception of NK-cell activity, were all reversed after administration of dehydroepiandrosterone.</p>\",\"PeriodicalId\":22758,\"journal\":{\"name\":\"The Journal of protozoology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Journal of protozoology\",\"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":"The Journal of protozoology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Effects of dexamethasone and dehydroepiandrosterone in immunosuppressed rats infected with Cryptosporidium parvum.
Treatment of rats immunosuppressed with dexamethasone and inoculated with Cryptosporidium parvum oocysts were treated with dehydroepiandrosterone. A significant reduction in cryptosporidial activity was observed as determined by oocyst shedding and colonization of host tissue by parasites. Dexamethasone treatment alone resulted in decreases in T-, B- and natural killer (NK) cell responses and antibody production that, with the exception of NK-cell activity, were all reversed after administration of dehydroepiandrosterone.
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