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中文論文名稱 砷對斑馬魚的毒性代謝效應:利用NMR光譜研究體內代謝過程
英文論文名稱 Longitudinal metabolite profile and effects of arsenite toxicity for zebrafish:studies by vitro NMR spectroscopy and 1H NMR metabonomics
校院名稱 淡江大學
系所名稱(中) 生命科學研究所碩士班
系所名稱(英) Graduate Institute of Life Sciences
學年度 98
學期 2
出版年 99
研究生中文姓名 蔡杰廷
研究生英文姓名 Chieh-ting Tsai
電子信箱 697180254@s97.tku.edu.tw
學號 697180254
學位類別 碩士
語文別 中文
口試日期 2010-07-02
論文頁數 86頁
口試委員 指導教授-李長欣
委員-陳曜鴻
委員-陳怡成
中文關鍵字 核磁共振    斑馬魚  代謝 
英文關鍵字 NMR  zebrafish  arsenite  metabolit 
學科別分類 學科別醫學與生命科學生物學
中文摘要 砷(Arsenic,As)是以化合物型態普遍存在於自然界中的類金屬物質。無論是自然或人為因素來源,在台灣曾多次引起公共衛生問題。生物體在攝入砷以後會導致生理機能上的異常,極低濃度下促使細胞增生,高濃度下抑制生物代謝並引發多重器官病變。一般而言無機砷毒性遠大於有機砷,攝入無機砷後的解毒路徑是經由甲基化作用轉化成有機砷代謝出體外。
本論文的實驗以斑馬魚作為生物模式(animal model),以溶劑萃取代謝物並冷凍乾燥後,利用NMR為分析工具,判定並定量各代謝物質。觀察給予不同砷環境下,對斑馬魚代謝上的探討。
實驗發現斑馬魚因砷而增強甲基化代謝能力,且TMAO能作為斑馬魚健康狀況的指標性代謝物,並証實斑馬魚與NMR的組合能提供研究代謝變化的可行方式。
英文摘要 Arsenic is common compounds in nature, and caused many public health problems in Taiwan. Organisms take in arsenic lead to abnormal physiological function. Low concentrations promote cell proliferation. High concentrations inhibit the metabolism and cause multiple organ disease. Generally, inorganic arsenic is usually more toxic than organic arsenic. Organisms take in inorganic arsenic the detoxification pathway is through the methylation into organic arsenic.
The zebrafish is an animal model in this thesis. Use solvent to extraction and freeze-dried the zebrafish product. Analyse metabolites include determination and quantification by NMR. Observe different arsenic conditions the metabolism research of zebrafish.
Experiment was found the zebrafish is enhanced methylation metabolism by arsenic. TMAO can as indicator metabolite of health status in zebrafish. Confirmed the combination of zebrafish and NMR provide a viable way of metabolic study.

論文目次 目錄
目錄 I
表目錄 IV
圖目錄 V
縮寫表 IX

第一章 緒論 1
1-1砷的來源 1
1-1.1 自然界之來源 1
1-1.2 人為之來源 2
1-2 砷對生物的影響 2
1-2.1 砷中毒的症狀 3
1-2.2 生物的抗砷機制 4
1-3 試驗生物斑馬魚(zebrafish, Denio rerio)介紹 7
1-4 實驗儀器核磁共振儀(NMR)基本介紹 9
1-5 實驗動機及目的 11
第二章 原理 12
2-1.1 NMR的基本原理 12
2-1.2 化學位移 (Chemical Shift) 13
2-2 二維核磁共振 15
2-2.1 COSY光譜(Correlation Spectroscopy) 17
第三章 實驗材料與方法 20
3-1 實驗用斑馬魚(Danio rerio)之飼養 20
3-2 砷化物的浸泡實驗 20
3-2.1 半數致死濃度 21
3-2.2 不同濃度之砷浸泡 21
3-2.3 砷化物對不同週期之斑馬魚體內代謝影響 21
3-3 斑馬魚之萃取與配製NMR tube 25
3-4 NMR實驗操作 27
3-5 數據計算 29
第四章 實驗結果 30
4-1 半數致死濃度實驗存活率 30
4-2 As-treated III 抗(耐)砷實驗存活率 31
4-3 1D光譜判定(有機相) 34
4-4 1D 光譜判定(水相) 37
4-5 COSY光譜判定 (assignment) 42
4-6 斑馬魚Mock組定量 56
4-7 斑馬魚As-treated I定量 60
4-8 斑馬魚As-treated II定量 63
4-9 斑馬魚As-treated III定量 66
4-10 斑馬魚水相代謝物As濃度組定量 69
第五章 討論 72
5-1 Mock組中斑馬魚的代謝變化討論 72
5-2 As濃度對斑馬魚造成的影響 73
5.3 各種As-treated對斑馬魚造成的影響 74
5-3.1. As-treated I探討 74
5-3.2. As-treated II探討 76
5-3.3. As-treated III探討 77
第六章 結論與未來展望 81
參考資料 83














表目錄
表4-1 半數致死濃度實驗存活統計表 30
表4-2 抗(耐)砷實驗存活統計表(24小時紀錄) 33
表4-3 抗(耐)砷實驗存活統計表(每天記錄) 34
表4-4 NMR有機相光譜Assignment 36
表4-5 NMR水相光譜Assignment 40
表4-6 水相代謝物Mock組定量總表 57
表4-7 As-treated I定量總表 61
表4-8 As-treated II 定量總表 64
表4-9 As-treated III 定量總表 67
表4-10 斑馬魚水相代謝物As濃度組定量總表 70
















圖目錄
圖1-1 砷在人體內經由甲基化代謝的解毒途徑 6
圖2-1 鮭魚肌肉水相萃取物之1D氫譜代謝物質分布圖 14
圖2-2 二維核磁共振實驗的脈衝序列 15
圖2-3 在二維核磁共振實驗中,將t1 做線性增加 16
圖2-4 COSY 的脈衝序列 17
圖3-1砷化物對不同週期之斑馬魚體內代謝影響實驗示意 24
圖4-1 半數致死濃度實驗存活率趨勢圖 31
圖4-2.1 抗(耐)砷實驗存活率狀況(24小時) 32
圖4-2.2 抗(耐)砷實驗存活率狀況(每天記錄) 32
圖4-3.1 有機相1D NMR光譜 35
圖4-3.1 有機相1D NMR光譜 35
圖4-4.1 水相1D NMR光譜 38
圖4-4.2 水相1D NMR光譜 38
圖4-5.1 LEU 2D COSY 判定 43
圖4-5.2 ILE 2D COSY 判定 44
圖4-5.3 VAL 2D COSY 判定 45
圖4-5.4 LA 2D COSY 判定 46
圖4-5.5 ALA 2D COSY 判定 47
圖4-5.6 LYS 2D COSY 判定 48
圖4-5.7 GLU 2D COSY 判定 49
圖4-5.8 GLN 2D COSY 判定 50
圖4-5.9 MA 2D COSY 判定 51
圖4-5.10 CR/PCR 2D COSY 判定 52
圖4-5.11 TAU 2D COSY 判定 53
圖4-5.12 GB 2D COSY 判定 54
圖4-5.13 a-GLC 2D COSY 判定 55
圖4-6.1圖4-6.1 amino acid 比較圖 ..………………………………....59
圖4-6.1圖4-6.1 amino acid 比較圖 ..…………………………………59
圖4-7 As-treated I與Mock組的代謝濃度差異比較 62
圖4-8 As-treated II與Mock組的代謝濃度差異比較 65
圖4-9 As-treated III與Mock組的代謝濃度差異比較 68
圖4-10 As濃度組與Mock組的代謝濃度差異比較 71

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