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  5. 組蛋白去乙醯酶3、7單核苷酸基因多形性與大動脈粥狀硬化、小血管阻塞之缺血性中風亞型相關性研究
 
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組蛋白去乙醯酶3、7單核苷酸基因多形性與大動脈粥狀硬化、小血管阻塞之缺血性中風亞型相關性研究

Other Title
Association Study between Histone deacetylases 3, 7 Single Nucleotide Polymorphisms and Large-Artery Atherosclerosis, Small-Vessel Occlusion Subtypes of Ischemic stroke
Type
thesis
Date Issued
2016-06-16
Author(s)
楊婉君
Advisor
邱弘毅
Subjects
系所名稱:公共衛生學系暨研究所
Description
學位別:碩士
語文別:中文
指導教授:邱弘毅
共同指導教授:
口試委員:鄭建興;張偉嶠
中文關鍵字:組蛋白去乙醯酶3;組蛋白去乙醯酶7;缺血性中風;單核苷酸基因多形性
英文關鍵字:HDAC3;HDAC7;Ischemic stroke;Single Nucleotide Polymorphism
Abstract
腦血管疾病在臺灣民國103年十大死因中,排行第三位,當中缺血性中風約占總中風人口的74 %。動脈粥狀硬化是缺血性中風中最主要的危險因子之一,是一種發生在動脈血管的慢性發炎反應,包括血管內皮細胞損傷(Endothelial damage) 及血管內平滑肌細胞 (Vascular Smooth Muscle Cells, VSMCs)的增生 (proliferation)等,皆會造成動脈粥狀硬化斑塊 (Plaque)形成,逐漸造成動脈狹窄、血液無法順暢運送氧氣,最後引發缺血性中風。過去許多研究發現,組蛋白去乙醯酶3 ( Histone deacetylases 3, HDAC3 ) 與組蛋白去乙醯酶7 ( Histone deacetylases 7, HDAC7 )在動脈粥狀硬化形成過程中扮演著重要的角色,主要調節血管內皮細胞的發炎反應及斑塊穩定性的相關基因表現。目前尚未發現探討HDAC3、HDAC7與缺血性中風相關性的研究,因此,本研究的目的是探討HDAC3、HDAC7單核苷酸基因多形性與傳統危險因子之間對於缺血性中風風險的單獨與交互作用。

本研究採用病例對照研究方法,研究對象包括863位來自北醫附醫、台大、萬芳、雙和、新光、奇美、博愛、亞東等八家醫院,經神經科醫師診斷為大動脈粥狀硬化 (Large-artery atherosclerosis, LAA) 與小血管阻塞 (Small-vessel occlusion, SVO) 之缺血性中風亞型患者與863位來自北醫附醫健檢及社區民眾經由年齡、性別配對且無中風病史的健康對照族群。資料收集使用結構式問卷,經標準化流程收集基本人口學、相關危險因子與疾病史等資料,並收集靜脈血,測量相關血液生化值資料。使用聚合酶連鎖反應-限制酶片段長度多形性 (Polymerase Chain Reaction – Restriction Fragment Length Polymorphism, PCR-RFLP)與兩組引子對抗聚合酶連鎖反應(Polymerase Chain Reaction with Confronting Two-Pair Primers, PCR-CTPP)鑑定其基因多型性。以邏輯斯迴歸模式分析HDAC3、HDAC7單核苷酸基因多形性與缺血性中風風險的相關性。

分析結果顯示,高血壓、糖尿病、血脂異常、吸菸、喝酒等危險因子會增加罹患缺血性中風的風險。HDAC3 rs2547547單核苷酸基因多形性,在校正傳統危險因子後,AG+GG基因型比起A/A基因型約有1.5倍罹患小血管阻塞之缺血性中風亞型的風險。而HDAC3 rs11741808此位點,則是在校正傳統危險因子後,AG+GG基因型比起A/A基因型約有2倍罹患缺血性中風的風險。進一步分析單核苷酸基因多型性與傳統危險因子之間對於罹患缺血性中風風險的交互作用,雖然,兩者之間沒有統計上顯著的交互作用,但HDAC3 rs11741808與吸菸習慣、高血壓病史及糖尿病史之間,對於罹患缺血性中風風險有修飾作用及劑量效應關係。

總結以上,本研究發現HDAC3 rs11741808單核苷酸基因多形性與罹患缺血性中風風險有統計上顯著的相關性。HDAC3 rs11741808此位點與吸菸習慣、高血壓病史及糖尿病史之間對於罹患缺血性中風風險有修飾作用及劑量效應關係。
URI
https://203.71.86.71/handle/123456789/57403

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