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題 名 | Effect of Cimetidine on Arylamine N-Acetyltransferase Activity in Helicobacter Pylori from Peptic Ulcer Patients=Cimetidine對消化性潰瘍中幽門桿菌N基乙酼轉移酵素活性的影響 |
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作 者 | 洪啟賦; 鍾景光; | 書刊名 | 中華民國外科醫學會雜誌 |
卷 期 | 31:2 民87.03-04 |
頁 次 | 頁84-89 |
分類號 | 418.4 |
關鍵詞 | 消化性潰瘍; 幽門桿菌; N基乙酼轉移酵素; N-acetyltransferase; Cimetidine; Helicobacter pylori; Gastric cancer; |
語 文 | 英文(English) |
中文摘要 | 幽門桿菌感染是消化性潰瘍公認的病原,臨床上常用Cimetidine來治療消化性潰 瘍,且具有抗癌的作用。本篇是探討Cimetidine對幽門桿菌中N基乙醯轉移酵素活性的影 響。幽門桿菌是由消化性潰瘍病患作內視鏡檢查時所取培養,將幽門桿菌及不同濃度的 Cimetidine混合以2-Aminofluorene和P-Aminobenzoic acid做受質利用乙醯化轉作乙醯基而 再利用高壓層析儀分析幽門桿菌中轉移酵素之活性。結果發現Cimetidine有降低桿菌中N 基乙醯轉移酵素之活性,故可推測,tidine降低幽門桿菌中乙醯轉移酵素之活性是消化性潰 瘍及預防胃癌的一種藥理機轉。 |
英文摘要 | Effects of cimetidine on arylamine N-acetyltransferase (NAT) activities in Helicobacter pylori (H. pylori) was determined using acetyl coenzyme-a recycling assay and high pressure liquid chromatography. Cytosols (subcellular fraction) and suspensions (intact bacteria) of H. pylori, with or without selected cimetidine treatment showed decreased acetylation of 2-aminofluorene and p- aminobenzoic acid, indicating that cimetidine reduced the NAT activity of H. pylori. Thus, the usage of cimetidine may help in the prevention of gastric carcinoma by reducing the NAT activity of H. pylori. |
本系統中英文摘要資訊取自各篇刊載內容。