臺灣博碩士論文加值系統

黃鱔（Monopterus albus）為底棲性淡水魚類，適應能力極強，對水溫與水質等重要的生活環境條件的要求不高，大多棲息在河川、湖泊、池塘及稻田中，為適合大量養殖魚種。當環境出現高溫缺水的狀況時，黃鱔會在泥質底質挖洞鑽入，並呈現休眠的狀態，休眠期間完全靜止不動並且不再進食，俗稱「夏眠」。前人進行人類肌肉萎縮研究指出，長時間不使用肌肉，肌肉內將有肌纖維面積減少的現象，使肌肉逐漸失去力量並萎縮稱之「廢用性肌肉萎縮」，並有研究指出，冬眠的熊亦有廢用性肌肉萎縮之現象，但其萎縮程度並不如人類有大規模萎縮現象產生。本研究利用生物生長箱調控高溫環境因子，使黃鱔進入休眠，並利用組織學及蛋白質體學探討黃鱔在休眠時期肌肉的結構與特性，並將黃鱔肌肉與冬眠熊類肌肉做比較，以此驗證夏眠生物與冬眠生物在休眠時期肌肉萎縮程度是否相當，並期在蛋白體資料中發現黃鱔防止萎縮的可能機制。本研究結果顯示，黃鱔肌肉在100天的休眠期間，肌肉萎縮了約48%，但依然不影響其肌肉一般使用，且沒有如非休眠生物一般的大規摸萎縮現象。蛋白質體學研究上發現，休眠期中黃鱔肌肉並無特殊性蛋白質產生或消失，但卻發現到在壓力蛋白質群、肌肉蛋白質群及新陳代謝蛋白質群三大群組上，有明顯的蛋白質含量改變的特徵。黃鱔在夏眠時期如同熊類一般有著小規模廢用性肌肉萎縮現象的產生，且在肌肉內蛋白質的組成有著顯著的變化，相信未來可利用黃鱔取代冬眠熊類，做為一適當廢用性肌肉萎縮的研究物種。

The swamp eel, Monopterus albus, is a benthic freshwater species, inhabiting the muddy ponds, canals, and rice fields. They are highly adaptive to stressful environment and, as a consequence M. albus is an aquaculture species. Under adverse environmental conditions, such as drought and high temperature, swamp eels burrow into the mud and enter into a stage of aestivation which is characterized by extremely slow physiological processes and complete quiescence. Reports on human muscle atrophy as a result of prolong lacking of muscle activity indicate that muscle atrophy is associated with reductions of number and sizes of muscle fibers. And this symptom is also called the disuse muscle atrophy. In this study, swamp eels were induced into aestivation by placing in a growth chamber under high temperature and low water contain in the mud substrate. Results show that when the swamp eel had been in aestivated for 100 days, the skeletal muscle atrophied about 48%. However, such “atrophy” did not influence normal functions of the muscles, and the degree of atrophy much lower than non-aestivation species. The 2-DE results of the M. albus’s muscle during 100 days of aestivation show that appearance or disappearance of new function proteins were not observed. However these were significant difference between three protein groups, including stress proteins, sarcomeric proteins and metabolic proteins. These three groups of proteins play important roles in prevention of atrophy of disused muscles. It is believe that M. albus is more suitable species than bear in the study of disuse muscle atrophy.

目錄
章次 頁數
謝辭 …………………………………………………………………………… i
中文摘要 ……………………………………………………………………… ii
英文摘要 ……………………………………………………………………… iii
目錄 …………………………………………………………………………… iv
圖目錄 ……………………………………………………………………….… v
表目錄 ………………………………………………………………………… vi
前言 ……………………………………………………………………………. 1
材料與方法 ……………………………………………………………………. 6
結果 ……………………………………………………………………………. 18
討論 …………………………………………………………...……………….. 21
參考文獻 ………………………………………………………………………. 25
圖 ………………………………………………………………………………. 29
表 ………………………………………………………………………………. 37
個人履歷 ………………………………………………………………………. 42

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