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  5. 基質金屬蛋白酶-8, -13基因多形性與缺血性中風之相關性研究
 
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基質金屬蛋白酶-8, -13基因多形性與缺血性中風之相關性研究

Other Title
An Association Study of the Matrix Metalloproteinase-8, -13 Genetic Polymorphisms on the Risk of Ischemic Stroke
Type
thesis
Date Issued
2015-06-29
Author(s)
曾永劦
Advisor
謝芳宜
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:謝芳宜
共同指導教授:
口試委員:鄭建興;連立明
中文關鍵字:基因多形性;基質金屬蛋白酶-8 (MMP-8);基質金屬蛋白酶-13 (MMP-13);缺血性中風
英文關鍵字:single nucleotide polymorphism (SNP);matrix metalloproteinase-8 (MMP-8);matrix metalloproteinase-13 (MMP-13);ischemic stroke
Abstract
  腦血管疾病在十大死因中排名第三,是導致患者失能及死亡的重要肇因,又以缺血性中風佔大多數。先前研究指出,基質金屬蛋白酶(MMP) -8, -13濃度與動脈斑塊穩定性有關,且動脈斑塊不穩定是缺血性中風的危險因子。因此本研究試圖探討MMP-8, -13基因多形性與缺血性中風風險之相關性。
  本研究為病例對照研究,病例組來自北醫附醫、萬芳、雙和、奇美、新光、臺大等六家醫院之神經科,經電腦斷層掃描或磁振造影確診之缺血性中風患者,共計500名;並於參與健檢民眾中先排除曾罹患中風者,再以年齡(± 5歲)及性別進行頻率匹配,隨機選出健康對照組,共計500名。問卷內容包含基本人口學資料、生活習慣、疾病史及臨床醫療紀錄。以空腹血進行血液生化值的測定。依功能性與疾病相關性,選出MMP-8 rs3740938、rs1940475、rs11225395、MMP-13 rs597315、rs640198作為本研究探討之基因多形性位點。基因型則透過聚合酶連鎖反應(PCR)與限制片段長度多形性(RFLP)來鑑定。
  研究結果顯示,缺血性中風危險因子包括教育程度(OR = 0.077)、肥胖(OR = 1.682)、抽菸(OR = 2.117)、飲酒(OR = 1.731)、高血壓(OR = 2.675)、糖尿病(OR = 3.178)、心臟疾病(OR = 1.728)、三酸甘油脂異常(OR = 1.466)、與高密度脂蛋白異常(OR = 2.048)。調整年齡、性別、教育程度、肥胖、抽菸、飲酒、高血壓病史、糖尿病史、心臟病史、高密度脂蛋白異常等危險因子後,相較於MMP-8 rs3740938帶有G對偶基因者,帶有AA基因型者有1.924倍罹患缺血性中風之風險(95% C.I. = 1.021-3.626)。而MMP-8 rs1940475、rs11225395、MMP-13 rs597315、rs640198則未發現與增加缺血性中風風險有關。將缺血性中風危險因子進行分層分析,並對於相關危險因子進行調整後,則觀察到在抽菸、三酸甘油脂異常、或高密度脂蛋白異常等分層下,AA基因型者罹患缺血性中風之風險分別為3.148 (95% CI=1.071-9.255)、2.471 (95% CI =1.149-5.316)、2.083 (95% CI =1.013-4.280),皆達統計顯著水準。然而本研究並未發現MMP-8 rs3740938與缺血性中風危險因子間,對缺血性中風風險存在交互作用。
  本研究之結論為MMP-8 rs3740938 AA基因型可作為罹患缺血性中風之預測因子。
URI
https://203.71.86.71/handle/123456789/57029

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