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  5. PNPLA3、GCKR基因多形性與頸動脈粥狀硬化之相關性研究
 
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PNPLA3、GCKR基因多形性與頸動脈粥狀硬化之相關性研究

Other Title
The Relationship of PNPLA3 and GCKR Gene Polymorphism with cardio Atherosclerosis and its Risk Factors in Taiwan
Type
thesis
Date Issued
2016-06-27
Author(s)
施信如
Advisor
白其卉
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:白其卉
共同指導教授:
口試委員:黃雅莉;葉志嶸
中文關鍵字:PNPLA3基因多形性;GCKR基因多形性;頸動脈粥狀硬化
英文關鍵字:PNPLA3;GCKR;carotid atherosclerosis
Abstract
研究背景:隨著社會結構高齡化以及身活習慣與飲食的改變,動脈粥狀硬化與心血管相關疾病逐漸變成常見的疾病形勢,如何預防動脈粥狀硬化及心血管疾病的發生是現今重要的公共衛生課題。近年來有研究指出PNPLA3及GCKR基因多形性可能與心血管疾病有關,因此本研究想探討台灣人族群中PNPLA3及GCKR基因多形性與頸動脈粥狀硬化及心血管危險因子之間的關係。

材料方法:本研究為一個以社區為基礎的橫斷性研究。研究的族群來自居住在大台北地區士林區以隨機抽樣六個里再以鄰里抽樣後三十歲以上無中風病史之社區民眾。利用結構式問卷收集研究對象基本人口學變項,並於新光醫療財團法人新光吳火獅紀念醫院進行頸動脈超音波來測量左側與右側的總頸動脈(Common carotid artery,CCA)、內頸動脈(Internal carotid artery,ICA)以及外頸動脈(External carotid artery,ECA),並由周邊血管抽取大於5ml的血液,經DNA萃取後以聚合酶連鎖反應(PCR)-限制片段長度多形性(RFLP)及Tetra-primer ARMS-PCR方法進行PNPLA3 rs738409 rs6006460及GCKR rs780094基因多形性的判定。利用多變項邏輯斯迴歸進行PNPLA3及GCKR基因多形性與心血管危險因子之多變項分析。

結果:本研究在PNPLA3 rs738409、GCKR rs780094皆沒有看到基因多形性與IMT的關係,而在PNPLA3 rs6006460位點中,若帶有GT基因型,其有較高頸動脈中層厚度( Intima-Media Thickness, IMT )的風險為帶有GG基因型的3.72倍(p<0.05)。而在PNPLA3 rs6006460與IMT對糖尿病、可能的非酒精性脂肪肝及血脂異常的分層分析中,在非酒精性脂肪肝組帶有GT基因型有較高IMT的風險為帶有GG基因型的5.487倍(p<0.05) ,而在經過年齡與性別的校正後風險升高為5.929倍(p<0.05),在血脂異常組帶有GT基因型者有較高IMT的風險在校正了年齡與性別以後為帶有GG基因型的5.02倍(p<0.05)

結論:PNPLA3 rs6006460 GT基因型者無論健康與否,其基因的變異對非酒精性脂肪肝、血脂以及IMT之間的關係有所影響,因此帶有GT基因型者應該更注重其他環境因子與生活型態。然而部分結果與過去研究結果不同,且PNPLA3和GCKR與頸動脈粥狀硬化的機制複雜也尚未被明確證實,因此,PNPLA3和GCKR基因多形性與頸動脈粥狀硬化之間的關係可能還需要更進一步的研究來進行更深入的探討。
URI
https://203.71.86.71/handle/123456789/57392

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