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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. 110學年度
  5. 發酵米糠水萃物對葡聚糖硫酸鈉引致之腸炎小鼠腸道發炎反應及腸道菌相之影響
 
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發酵米糠水萃物對葡聚糖硫酸鈉引致之腸炎小鼠腸道發炎反應及腸道菌相之影響

Other Title
Effects of fermented rice bran water extract on colonic inflammation and microbial microbiota in dextran sodium sulfate-induced colitis mice
Type
thesis
Date Issued
2022-07-08
Author(s)
鄭康維
Advisor
葉秋莉
Subjects
系所名稱:保健營養學系碩士班
Publisher
保健營養學系碩士班
Description
口試委員:邱琬淳 CHIU, WAN-CHUN;陳雅琳 CHEN, YA-LING;葉秋莉 YEH, CHIU-LI
網際網路,開放日期為2022-07-22
Abstract
發炎性腸道疾病 (Inflammatory bowel disease, IBD) 與腸道免疫系統和菌相失衡,導致腸黏膜發炎與組織受損相關。發酵米糠水萃物 (Fermented rice bran extract, FRBe) 具有抗氧化與抗發炎功效但針對腸炎狀態下腸道先天性淋巴細胞之分佈及菌相之研究仍未知,故本實驗擬給予小鼠FRBe之介入後再使用Dextran sodium sulfate (DSS) 誘發腸炎以探討腸道先天性免疫及菌相組成之影響。本研究使用C57BL/6雄性小鼠,適應兩週後分為:正常飲食控制組 (Normal control, NC):給予AIN-93M飲食、發酵米糠控制組 (5% Fermented rice bran, 5% FRB):以AIN-93M為基礎給予佔飼料重量百分比5% (w/w) FRBe取代部分飼料,飲食介入四週後細分出正常飲食腸炎組 (NC+DSS, NCD) 以及發酵米糠腸炎組 (5% FRB+DSS, 5% FRBD),於腸炎組飲水添加2% DSS連續5天為引發期,而後五天之正常飲水為恢復期如此可誘發結腸炎並於第六天以心臟採血進行犧牲,收集血液、結腸、結腸沖洗液和糞便以待後續分析。結果顯示相較於正常組,腸炎小鼠疾病活動指數、腸道通透性、促發炎細胞激素及結腸損傷程度顯著增加,但腸黏膜完整性之表現量和Innate lymphoid cell (ILC) 3比例顯著降低。而給予5% FRBe取代部分飼料後經DSS誘導小鼠腸炎可通過增加腸道益生菌的生長、促進ILC3與腸道上皮細胞之間的Cross talk,活化Aryl hydrocarbon receptor (AhR) 細胞下游路徑產生Interleukin (IL)-22,維持腸黏膜屏障完整性及降低腸道發炎反應,以減輕腸炎造成之腸道通透性增加和結腸損傷,維持腸道正常生理功能。
URI
https://handle.ncl.edu.tw/11296/sht2e3
https://203.71.86.71/handle/123456789/10811

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