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  5. 植物性蛋白對腎損傷引起肌少症之大鼠模式影響
 
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植物性蛋白對腎損傷引起肌少症之大鼠模式影響

Other Title
Effects of plant-based protein on kidney injury related sarcopenia in rat model
Type
thesis
Date Issued
2023-06-27
Author(s)
羅湘萍
Advisor
陳俊榮
Subjects
系所名稱:保健營養學系碩士班
Description
學位別:碩士
語文別:中文
口試委員:陳俊榮 CHEN, JIUN-RONG;葉秋莉 YEH, CHIU-LI;王靜瓊 WANG, CHING-CHIUNG
授權範圍:網際網路,開放日期為2023-07-13
Abstract
本研究探討植物性蛋白的介入對於慢性腎臟病 (Chronic kidney disease, CKD) 大鼠肌少症之影響。實驗使用9週齡雄性SD大鼠,分為控制組與疾病模式組,疾病模式組以0.5% 腺嘌呤飼料誘發動物CKD模式4週後,分為酪蛋白、乳清蛋白、大豆蛋白及豌豆蛋白組,分別以不同的蛋白質取代 50% 的酪蛋白,進行8週蛋白質調整飲食的介入,期間測量體重、攝食量、抓力、血液及尿液生化數值,實驗末犧牲採集血液、尿液、腎臟及肌肉,分析血液及尿液腎功能與生化指標、腎臟及肌肉組織病理切片和肌肉分解、發炎與合成代謝相關指標。實驗結果顯示:CKD模式誘導大鼠發生顯著的腎功能損傷、肌力減弱及肌肉質量減少之肌少症的表現。大豆蛋白和豌豆蛋白介入後,有助於增加體重、減緩CKD誘導之腎損傷,如:改善尿液肌酸酐排除、腎小管萎縮及腎絲球硬化、降低血清發炎指標Transforming growth factor-β (TGF-β) 的表現量,同時也有改善肌力與肌肉量、降低肌肉萎縮因子與促進肌肉合成因子表現量的趨勢。由研究結果推論:大豆蛋白及豌豆蛋白除了提供優質的蛋白質來源之外,還協助維持腎功能,並降低發炎反應的發生,也有改善肌肉力量與質量、抑制肌肉萎縮降解與促進肌肉合成的趨勢。綜上,大豆蛋白及豌豆蛋白能達到延緩腎功能損傷,延緩CKD的進程,進而改善其所導致之肌少症,未來可對TGF-β的發炎路徑與改善CKD肌少症進行深入探討。
URI
https://handle.ncl.edu.tw/11296/ebb853
https://203.71.86.71/handle/123456789/10378

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