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研究生:蔡孟晏
研究生(外文):Meng-YenTsai
論文名稱:一種免標記和靈敏的方法以電旋轉圖譜快速辨識癌細胞
論文名稱(外文):A label-free and sensitive method for rapid discrimination of cancer cell based on electrorotation (ROT) spectroscopy
指導教授:張憲彰
指導教授(外文):Hsien-Chang Chang
學位類別:碩士
校院名稱:國立成功大學
系所名稱:生物醫學工程學系
學門:生命科學學門
學類:生物化學學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:英文
論文頁數:44
中文關鍵詞:電旋轉介電泳免生物標記肺癌細胞IL-6P6Stat3
外文關鍵詞:electrorotationdielectrophoresislabel-freelung cancer cellIL-6 (Interleukin 6)P6Stat3
相關次數:
  • 被引用被引用:0
  • 點閱點閱:145
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  • 下載下載:6
  • 收藏至我的研究室書目清單書目收藏:0
一般來說,傳統的癌症評估技術需使用大型的專業儀器或受過訓練的專業人員,以西方點墨法和酵素免疫分析法為例則需高成本和長時間等待的眾多缺點。本研究提出以結合介電泳與電旋轉運用於鑑別基因轉殖肺癌細胞與藥敏實驗,藉以實現一種免生物標記、快速檢測、靈敏度高的方法。其中介電泳操控癌細胞至檢測區域,隨後可藉由施加 3D立體旋轉電場辨別基因轉殖的肺癌細胞(AS2、S3C和S3D)。
在實驗結果中可得知於施加電壓 9 Vpp和最佳頻率 100 kHz的情況下,鑑別基轉肺癌細胞是藉由其旋轉速度的不同來達成。 S3C細胞是轉染持續活化之Stat3轉錄因子使S3C細胞表現出比未基因轉殖AS2細胞明顯的高轉速。 相較之下,S3D細胞是轉染抑制的Stat3轉錄因子使未基因轉殖AS2細胞轉速快於S3D細胞。此方法也被運用於評估肺癌AS2細胞對於藥物敏感程度的實驗,藥物分別為IL-6 (促進AS2惡化程度) 和P6 (抑制AS2惡化程度)。當分別施加IL-6和P6於 6小時和0.5小時,檢測細胞轉速會有明顯的改變。此結果以電旋轉執行是比以傳統西方點墨法有更好的一致性。

Conventional techniques for estimation of cancer cell use huge instruments, Western blot, and ELISA kits that are high cost and long time consuming. This study reports a label-free, rapid and sensitive approach that combines dielectrophoresis (DEP) and electrorotation (ROT) for rapid discrimination of the transgenic lung cancer cells (AS2, S3C and S3D) and estimation of drug susceptibility test. DEP manipulate the cancer cells to detection zone, and the cells can be discriminated the difference of those transgenic lung cancer cells in a three-dimensional (3D) rotating field. The experimental results show that cancer cells with different treatments can be determined by their induced rotation speeds when applying 9 Vpp at an optimal frequency of 100 kHz. The S3C cells transfected with constitutively-activated Stat3 showed a higher rotating speed than the parental AS2 cell. In contrast, the S3D cells transfected with dominant-negative Stat3 showed a lower rotating speed than the AS2 cell. This approach was also utilized to estimate the drug susceptibility of AS2 lung cancer cell that was treated with IL-6 (the promoter of the malignant of AS2) and P6 (the inhibitor of the malignant of AS2). A distinct change occurs when the cell treated with IL-6 and P6 at the treated time of 6 and 0.5 hr, respectively. The results taken by ROT are very agreement with the conventional results taken by Western blot.
Abstract I
中文摘要 II
誌謝 III
Contents IV
List of Figures VI
List of Tables X
Chapter 1 Introduction 1
1.1 Background and Motivation 1
1.2 Micro-Electro-Mechanical Systems 4
1.3 Detection and Discrimination Methods of Cancer Cell 5
1.3.1 Western Blot 6
1.3.2 ELISA 7
1.4 Electrokinetics 8
1.4.1 Dielectrophoresis (DEP) 8
1.4.2 Electrorotation (ROT) 10
1.5 Paper review of electrorotation 12
1.6 Research Framework 16
Chapter 2 Materials and Methods 18
2.1 Experimental Working Principle of Electrode Design and Simulation 18
2.2 Sample Preparation 20
2.2.1 Cell Culture 20
2.2.2 Cell Treatment and Collection 21
2.3 System Configuration 21
2.4 Micro-Fabrication 22
2.5 Analysis Method of the Experimental Results 24
Chapter 3 Results and Discussions 26
3.1 Comparison of Planar (2D) Electrorotation Chip and Three-Dimensional (3D) Electrorotation Chip 26
3.2 Comparison of Electrokinetic Discrimination Methods (Electrorotation vs. Dielectrophoresis) 29
3.3 Voltage and Frequency for Rotation Speed 32
3.4 Electrorotation Spectrum of Different Cancerization Cells 33
3.5 Electrorotation Spectrum of Drug Treated Cancer Cell 37
3.6 Optimal Detection Time of Drug Treated Cancer Cell 39
Chapter 4 Conclusion 41
References 42

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