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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
  4. 105學年度
  5. 給予魚油乳劑可減輕敗血症及下肢缺血再灌流小鼠發炎反應及遠端腎臟之損傷
 
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給予魚油乳劑可減輕敗血症及下肢缺血再灌流小鼠發炎反應及遠端腎臟之損傷

Other Title
Fish oil-based fat emulsion reduces inflammatory responses and remote kidney injury in murine models of both septic peritonitis and hind limb ischemia/reperfusion injury
Type
thesis
Date Issued
2017-06-02
Author(s)
施瑞明
Advisor
葉松鈴
Subjects
系所名稱:保健營養學研究所
Description
學位別:博士
語文別:英文
指導教授:葉松鈴
口試委員:陳玉華;黃士懿;許瑞芬;蔡帛蓉
中文關鍵字:腎損傷;敗血症;缺血再灌流;魚油乳劑;發炎反應
英文關鍵字:acute kidney injury;polymicrobial sepsis;ischemic reperfusion injury;fish oil lipid
Abstract
急性腎損傷(acute kidney injury, AKI)是重症病人常見的症狀,臨床上造成AKI 的原因很多,包括:敗血症、重大手術、缺血性休克和藥物引致等,本研究主要在探討營養素介入對兩種外科加護病房常發生的AKI,即敗血症及嚴重下肢缺血引致腎損傷的影響。雖然造成這兩種腎損傷的機制不同,但發炎反應是其共通的病理特徵。魚油是富含n-3 多元不飽和脂肪酸(PUFA)的油脂,過去的研究顯示魚油有免疫調節及抗發炎的特性,因此魚油的添加可能對這兩種臨床狀況所引起的全身性發炎反應及腎損傷具有保護作用。本研究利用敗血症及下肢缺血的小鼠模式,來探討魚油乳劑的補充對腎臟發炎和組織損傷的影響及其在臨床的應用性。本研究分成兩部分,第一部分探討魚油乳劑對腹膜炎引致敗血症腎損傷的保護作用。將小鼠在引致敗血症後以腹腔注射不同脂肪乳劑及生理食鹽水,分別於24 及72 小時犧牲,收集血液、腹腔沖洗液及腎臟組織做分析,結果顯示相較於生理食鹽水,魚油乳劑介入可降低腎臟發炎相關因子,增加 heat shock protein 及peroxisome proliferator-activated receptor-γ 之基因表現量,並改善腎組織損傷。第二部分以拉力4.5 oz 之牙科矯正用橡皮筋,綑綁在小鼠左後肢大轉子上方120 分鐘,造成左後肢缺血,來探討魚油在缺血前或後介入對再灌流後72 小時肌肉組織及遠端腎臟損傷的影響,結果顯示魚油介入可降低肌肉損傷之指標,而魚油在缺血後介入更可緩解缺血再灌流引致之腎臟發炎反應。由兩部分之實驗結果顯示,魚油介入可藉由調節發炎介質表現量,減少器官組織白血球的浸潤,改善因敗血及缺血再灌流引致之腎臟發炎及損傷,本研究結果可做為臨床上休克及創傷引致腎損傷病人營養支持上的重要參考依據。
URI
https://203.71.86.71/handle/123456789/57791

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