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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
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  5. 非共價接合雙特異性 T 細胞修飾聚乙二醇化之奈米載體 應用於延長癌症免疫治療
 
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非共價接合雙特異性 T 細胞修飾聚乙二醇化之奈米載體 應用於延長癌症免疫治療

Other Title
Bispecific T-cell Engagers Non-covalently Decorated with PEGylated Nanocarriers for Prolonging Cancer Immunochemotherapy
Type
thesis
Date Issued
2022-07-14
Author(s)
何昕晨
Advisor
何秀娥;謝堅銘
Subjects
系所名稱:藥學系碩士班
Publisher
藥學系碩士班
Description
口試委員:何秀娥 HO, HSIU-O;謝堅銘 HSIEH, CHIEN-MING;莊國祥 CHUANG, KUO-HSIANG;卓爾婕 CHO, ER-CHIEH;許明照 SHEU, MING-THAU
網際網路,開放日期為2022-07-25
Abstract
本研究使用熱休克蛋白90(HSP90)抑制劑Ganetespib(GSP)作為化療模式藥物,結合卵磷脂穩定微胞體給藥系統製備成負載GSP之奈米微胞(GSP-LsbMDDS),另一方面則使用三特異性T細胞接合抗體(Trispecific T-cell engaging antibody, TriTEs, anti-EGFR/ anti-CD3/ anti-mPEG)同時針對奈米微胞及抗體進行修飾,使其延長抗體半衰期並具有標靶與免疫增強的效應,配合T細胞增強藥物對大腸癌細胞(HCT116)的治療效果。本研究中GSP-LsbMDDS已被成功被開發,其粒徑約為167.15 ± 16.28 nm、具高載藥量(DL)(8.0 ± 0.5%)和高包封率(EE)(90.2 ± 1.6%)等特性。在體外試驗中,GSP-LsbMDDS表面接合的TriTEs與GSP-LsbMDDS所含的DSPE-PEG2k最佳結合比為1:500。對EGFR過度表達細胞HCT116中的細胞攝取試驗中,TriTEs-GSP-LsbMDDS在培養8小時後比起GSP-LsbMDDS顯示出更好的胞吞率。而HCT116的細胞毒性試驗中,TriTEs-GSP-LsbMDDS的IC50 = 44.41 nM比起GSP-LsbMDDS的IC50 = 71.72 nM具有更好的生長抑制作用。在動物實驗中,TriTEs-DSPE-PEG2k、TriTEs-LsbMDDS和TriTEs-GSP-LsbMDDS之藥物動力學顯示其修飾抗體有提高體內抗體含量之趨勢,並且也反映在抗腫瘤效果中,尤其TriTEs - DSPE-PEG2k抗腫瘤效果優於其他對照組及實驗組。抗腫瘤實驗結果證實微胞體給藥系統結合抗體以及DSPE-PEG修飾抗體可有效增強腫瘤抑制效果。
URI
https://handle.ncl.edu.tw/11296/84tugp
https://203.71.86.71/handle/123456789/10863

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