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    題名: 大豆蛋白中的 β-conglycinin 對糖尿病腎病變大鼠之影響
    Effects of Soy Protein, β-Conglycinin in Rats with Diabetic Nephropathy
    作者: 葉宛儒
    Yeh Wan-Ju
    貢獻者: 保健營養學研究所
    謝明哲
    陳俊榮
    關鍵詞: 碩士 指導教授-謝明哲 共同指導教授-陳俊榮 委員-葉松鈴 委員-陳淑子
    大豆蛋白;b-conglycinin;糖尿病腎病變;血管收縮素轉換酶
    soy protein;b-conglycinin;diabetic nephropathy;angiotensin-converting enzyme
    日期: 2010
    上傳時間: 2010-10-20 12:45:26 (UTC+8)
    摘要: 本研究係將 Wistar 大鼠以尾靜脈注射 streptozotocin 方式誘發糖尿病,並以含有氯化鈉的飲食和飲水加速糖尿病腎病變的進程。實驗飲食中的蛋白質以大豆蛋白和不同含量的 β-conglycinin 取代部分酪蛋白,以探討大豆蛋白和 β-conglycinin 對於糖尿病腎病變進程之影響。實驗共進行二十七週,控制組 (C group) 於實驗進行中全程餵食 AIN-93M 標準飲食,其餘各組實驗飲食皆添加 1% NaCl,蛋白質分別為:14% 酪蛋白 (D group)、7.0% 大豆蛋白 + 7.0% 酪蛋白 (P group)、1.750% β-conglycinin + 12.250% 酪蛋白 (A group) 及 3.50% β-conglycinin + 10.50% 酪蛋白 (B group)。實驗末將觀察不同飲食對實驗動物血糖、血脂、血壓及腎功能等各項指標的影響。實驗結果發現:給予大豆蛋白和 b-conglycinin 可以調節血糖和增加胰島素敏感性。在脂質代謝部份,大豆蛋白和 b-conglycinin 皆可改善血漿和肝臟中脂質生化值。且透過抑制 ACE 活性的作用、降低血壓和腎臟受損的情形,以及改善腎功能指標,顯示大豆蛋白和 b-conglycinin可以延緩此動物模式糖尿病腎病變的進展。
    The objective of this study was to investigate the effects of soy protein and different dose of β-conglycinin on diabetic nephropathy in rats. In this study, rats were induced to have diabetic nephropathy with intravenous injection streptozotocin and NaCl diets. Rats were divided into the control group and four experiment groups. The duration of the experimental period was twenty-seven weeks. Diet of the experiment groups contain soy protein or β-conglycinin as substitution of part of the casein. At the end of the study, blood, liver, kidney, heart, aorta, and lung were collected for analysis. Our study demonstrated soy protein and b-conglycinin decreased blood glucose and improved insulin sensitivity. Soy protein and b-conglycinin could also regulated lipid metabolism. Otherwise, through the ACE inhibition, soy protein and b-conglycinin could decrease blood pressure and renal damage. There results suggest that dietary soy protein and b-conglycinin supplementation may have beneficial effects on delaying of the progression of diabetic nephropathy .
    關聯: 60頁
    描述: 摘要 II
    ABSTRACT III
    致謝 IV
    目錄 VI
    表目錄 VIII
    圖目錄 VII
    第一章 前言 1
    第二章 文獻回顧 2
    一、 糖尿病 2
    二、 影響糖尿病進展之因子 3
    三、 大豆蛋白質 6
    四、 大豆儲存蛋白 Β-CONGLYCININ 8
    第三章 研究目的 9
    第四章 材料與方法 10
    一、實驗動物 10
    二、實驗設計 11
    三、樣本蒐集與處理 12
    四、統計分析 24
    第五章結果 25
    一、體重和攝食量 25
    二、血糖和胰島素濃度 25
    三、腎臟中 PPAR-?? 蛋白質表現量 25
    四、組織中 TNF-a 濃度 26
    五、組織中ACE 的活性 26
    六、收縮壓 26
    七、血漿總膽固醇、三酸甘油酯、高密度脂蛋白膽固醇、低密度脂蛋白膽固醇及游離脂肪酸濃度 26
    八、肝臟總膽固醇和三酸甘油酯濃度 27
    九、糞便總膽固醇和膽酸濃度 27
    十、血漿尿素氮、肌酸酐及鈣、磷濃度 28
    十一、尿中尿素氮、肌酸酐、總蛋白、白蛋白濃度及肌酸酐廓清率 28
    十二、病理切片 29
    第六章 討論 30
    一、糖尿病腎病變動物模式建立 30
    二、大豆蛋白和 b-CONGLYCININ 對血糖的影響 31
    三、大豆蛋白和 b-CONGLYCININ 對血壓和蛋白尿的影響 33
    四、大豆蛋白和 b-CONGLYCININ 對脂質代謝的影響 35
    五、大豆蛋白和 b-CONGLYCININ 對腎功能指標的影響 37
    六、大豆蛋白和 b-CONGLYCININ 對腎臟組織型態的影響 38
    第七章 結論 39
    第八章 參考文獻 40


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