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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
  4. 114學年度
  5. 奈米粒子輔助光熱誘導腫瘤細胞死亡用於樹突細胞介導CD8⁺T細胞增殖
 
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奈米粒子輔助光熱誘導腫瘤細胞死亡用於樹突細胞介導CD8⁺T細胞增殖

Other Title
Nanoparticle-Assisted Photothermal Induced Tumor Cell Death for Dendritic Cell-Mediated CD8⁺ T Cell Proliferation
Type
thesis
Date Issued
2026-07-23
Author(s)
Catherine Kamaladevi
Advisor
潘玟伃
Subjects
系所名稱:醫學檢驗暨生物技術學系碩士班
Publisher
醫學檢驗暨生物技術學系碩士班
Description
學位別:碩士
語文別:英文
指導教授:潘玟伃
口試委員:林鈺容; 呂隆昇; 潘玟伃
授權範圍:網際網路,開放日期為2031-07-27
電子論文連結:https://handle.ncl.edu.tw/11296/5tb353
Abstract
過繼性細胞治療依賴有效的抗原呈現,以啟動並維持T細胞免疫反應。因此,腫瘤來源抗原的製備方式是影響樹突細胞活化及後續免疫反應的重要因素。雖然冷凍-解凍及超音波破碎等傳統方法廣泛應用於腫瘤裂解物的製備,光熱策略則提供了一種替代方法,透過施加可控制的熱刺激,可能保留或增強腫瘤來源材料的免疫原性。
本研究建立並評估了一種以聚乙醇幾丁聚醣-聚吡咯(GCS-Ppy)奈米粒子為基礎的光熱平台,探討其利用E.G7-OVA細胞(一種源自EL4且表現卵清蛋白的腫瘤細胞株)產生具免疫刺激能力之腫瘤裂解物的潛力。GCS-Ppy 奈米粒子展現出適當的物理化學特性,在808 nm近紅外光照射下具有優異的光熱轉換能力,並可與腫瘤來源材料共同被骨髓來源樹突細胞有效攝取。經最佳化光熱處理條件後,溫和加熱(45–48°C)所產生的腫瘤裂解物,相較於高溫處理(>60°C),具有較佳的免疫刺激特性,可更有效促進樹突細胞成熟,並提升成熟標誌及抗原呈現相關分子的表現。
此外,由GCS-Ppy光熱平台所產生的腫瘤裂解物可進一步促進下游T細胞免疫反應,並相較於傳統裂解物製備方法展現較持續性的T細胞增殖能力。雖然傳統裂解物在早期可誘導較強的樹突細胞活化標誌表現,但光熱產生的裂解物則呈現不同的免疫反應時程,其特徵為可維持較長時間的T細胞增殖。綜合而言,本研究結果顯示奈米粒子輔助光熱腫瘤裂解物製備是一項具有潛力的策略,可調控抗原呈現並增強樹突細胞介導的 T 細胞活化,為未來過繼性細胞治療的應用奠定基礎。
URI
https://handle.ncl.edu.tw/11296/5tb353
https://203.71.86.71/handle/123456789/74551

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