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  5. 香菸、氧化壓力之生物標記、基因多形性與牙周病感染控制成效之相關性
 
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香菸、氧化壓力之生物標記、基因多形性與牙周病感染控制成效之相關性

Other Title
Relationships among Cigarette, the Biomarkers of Oxidative Stress and Genetic Polymorphism in Effectiveness of Periodontal Infection Control
Type
thesis
Date Issued
2015-07-23
Author(s)
黃畹婷
Advisor
黃詠愷
Subjects
系所名稱:牙醫學系碩博士班
Description
學位別:碩士
語文別:中文
指導教授:黃詠愷
共同指導教授:
口試委員:顏茂雄;薛玉梅
中文關鍵字:含錳超氧歧化酵素;觸酶累積抽菸量;抗氧化酵素
英文關鍵字:MnSOD;catalase;lifetime smoking exposure;antioxidant enzymes
Abstract
本篇研究目標為探討香菸、氧化壓力之生物標記、基因多形性與牙周病感染控制成效之間的相關性。研究個案來自台北醫學大學附設醫院牙周病科並經牙周病專科醫師診斷為牙周病(ICD-9-CM 523)共110位。專業訓練之訪員向研究個案說明本研究目的並簽署同意書後,由訪員面訪取得個案問卷資料,並取得個案口腔黏膜檢體、唾液檢體與臨床測量結果。個案唾液檢體與臨床測量結果之收集時間點為初診,以及距初診一個月且個案已完成牙周病治療之回診。利用商業試劑組(MILLIPLEX® MAP Human Oxidative Stress)分析個案唾液中的氧化壓力指標銅鋅超氧歧化酵素(Cu/Zn-superoxide dismutase)、含錳超氧歧化酵素(Mn-superoxide dismutase)、觸酶(catalase)、過氧化物酶(peroxiredoxin 2)與硫氧化還原蛋白酶(thioredoxin 1)的含量。由口腔黏膜萃取出之DNA,利用聚合酶連鎖反應與限制性長度多形性分析含錳超氧歧化酵素、觸酶與穀胱甘肽過氧化物酶之單核苷酸基因多形性。本研究之牙周病感染控制成效標準,定義為治療後探測出血百分比小於或等於20%。研究結果發現,牙周感染控制無效之抽菸個案,隨著累積抽菸量增加,治療後唾液中過氧化物酶濃度會增加,而含錳超氧歧化酵素與觸酶濃度則會降低。抽菸且攜帶含錳超氧歧化酵素T47C C對偶基因之個案,治療前唾液中銅鋅超氧歧化酵素濃度顯著高於其他組別,顯示抽菸與抗氧化酵素基因多形性會共同影響唾液中氧化壓力指標之濃度,而此機制是否影響牙周病感染控制成效仍需進一步研究釐清。牙周感染控制無效組與有效組個案,治療前唾液中含錳超氧歧化酵素與觸酶濃度有顯著差異,顯示此兩種氧化壓力指標可作為評估牙周病感染控制成效之生物標記。
URI
https://203.71.86.71/handle/123456789/57047

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