Meiho University Institutional Repository:Item 987654321/2268
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    Please use this identifier to cite or link to this item: http://ir.meiho.edu.tw/ir/handle/987654321/2268


    Title: 內毒素誘發大鼠白血球附著腸道血管內皮之研究
    Authors: 張宗佑
    劉上賓
    Contributors: 健康暨護理學院
    Date: 2013
    Issue Date: 2013-12-11T01:15:18Z (UTC)
    Abstract: 內毒素為脂多醣複合物(lipopolysaccharide, LPS),來自革蘭氏陰性菌細胞壁之主要成份。經由靜脈注射會引起實驗動物免疫細胞,如單核球、多核球、內皮細胞產生細胞介素、自由基等發炎反應,並引發敗血症及休克等症狀。在發炎反應產生時,最普遍發生的通常為血漿滲漏情形最為明顯,且血漿中白血球可當為第二免疫防線的指標。而本實驗藉由對雄性大鼠靜脈注射大腸桿菌內毒素,研究腸道組織中血管內皮上白血球附著之情形。並探討內毒素在不同時間點的注射下,觀察引發腸道靜脈血管內皮白血球黏附數量之時程變化。實驗藉由銀染色法來表現大鼠腸道的血管內皮及白血球附著情形,以數位影像分析軟體 View 7分析顯微照片,以便統計分析白血球黏附數量。實驗結果顯示注射生理食鹽水的對照組大鼠腸道中靜脈血管內皮隙的白血球附著密度明顯低於注射內毒素之組別,而注射內毒素5分鐘組別之白血球附著數量較注射內毒素30分鐘組別來得更高,由此可見內毒素誘發的白血球附著血管內皮之情形來得非常迅速。
    Appears in Collections:[Department of Biological Science and Technology] Research Projects

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