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題 名 | Preliminary Studies on Target Antigens for the Diagnosis of Trichomonas vaginalis Infection=陰道滴蟲症檢驗標的抗原之初探 |
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作 者 | 鄧洪音; 李肇昌; 周俊雄; 王躬仁; | 書刊名 | 微免與感染雜誌 |
卷 期 | 32:1 1999.03[民88.03] |
頁 次 | 頁14-20 |
分類號 | 414.86 |
關鍵詞 | 陰道滴蟲症; 抗原; Trichomonas vaginalis; Immunodiagnosis; Secretory antigens; |
語 文 | 英文(English) |
中文摘要 | 陰道滴蟲症(Trichomoniasis)在世界各地均是很普遍的性傳染病。臨床上主要的 診斷法是直接以顯微鏡檢查陰道分泌物中的病原蟲細胞,此法靈敏度低且依賴檢驗者 的技術及經驗,如果輔以培養法則耗時且不經濟。以病原體之蛋白質或核酸為標的 之檢驗法亟待開發。吾等現正針對陰道滴蟲之分泌性抗原發展適用於臨床檢驗或大 量篩檢的酵素免疫檢驗法,首先以陰道滴蟲培養株之分泌性總抗原製備抗血清,另 一方面自臺北市立性病防治所及景美綜合醫院蒐集臨床檢體,再以SDS/PAGE蛋 白質電泳膠展開、西方轉漬及酵素免疫分析等方法鑑別出陰道滴蟲分泌性抗原中的 最適標的抗原分子。在此報告中,我們找到一至二個分子量近於110kDa之標的抗 原,未來將進一步純化此標的抗原及製備其抗體,最終目標在作成檢驗套組用於快 速診斷陰道滴蟲症。 |
英文摘要 | Trichomonas vaginalis, a parasitic protozoa residing in the human urogenital tract, causes one of the most common sexually transmitted diseases, trichomoniasis. Clinical diagnosis of T. vaginalis infection mainly involves a wet-mount microscopic examination, and a culture method, and both of which are either laborious or time-consuming. An immunodiagnostic strategy is under development, which is based on the fact that T. vaginalis releases various protein factors, notably proteinases, into the culture medium, some of which can also be detected in vaginal washes. These factors are closely related to the clinical presentation of trichomonad vaginitis, and thusly may serve as potential earmarks for diagnosis. We have attempted to identify the most appropriate target antigen(s) by screening and analyzing the profile of T. vaginalis antigens existing in patient's vaginal secretion, using the antiserum raised against the total secretory antigens from T. vaginalis cultures. Two T. vaginalis antigens with molecular weights near 110 KDa have been demonstrated to be useful antigens as the diagnostic markers. |
本系統中英文摘要資訊取自各篇刊載內容。