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  1. Home
  2. TMU Publications / 北醫出版品
  3. .博碩士學位論文
  4. 111學年度
  5. 以雙重HER2區域II與IV標靶雙功能抗體非共價修飾之化療藥物負載聚乙二醇化奈米載體作為乳癌之協同加成化療
 
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以雙重HER2區域II與IV標靶雙功能抗體非共價修飾之化療藥物負載聚乙二醇化奈米載體作為乳癌之協同加成化療

Other Title
Dual HER2 Domain II/IV Bispecific Antibodies non-Covalently Decorated Chemodrug-loaded mPEGylated Nanocarriers for Synergistic Chemotherapy of Breast Cancer
Type
thesis
Date Issued
2023-01-10
Author(s)
程瑋捷
Advisor
謝堅銘 ; 許明照
Subjects
系所名稱:藥學系博士班
Description
學位別:博士
語文別:英文
口試委員:謝堅銘 Chien-Ming Hsieh;許明照 Ming-Thau Sheu;何秀娥 Hsiu-O Ho;林山陽 Shan-Yang Lin;林文貞 Wen-Jen Lin
授權範圍:網際網路,開放日期為2023-01-13
Abstract
大約15~30%乳癌病患有人類表皮生長因子受體2(HER2)突變的情形,導致更為惡性與較差的預後。此外於HER2突變乳癌患者上也有高達25%同時有PIK3CA突變的情形,因而使其產生對於HER2標靶治療之抗性。因此,合併HER2標靶藥物、化療及PI3K途徑抑制劑之治療可以有效克服治療上的困境與提升抗癌效果。於本研究,我們試圖以高生物相等性之奈米載體同時裝載歐洲紫杉醇與Pictilisib (D/P_NCs)結合非共價鍵結之雙重HER2區域II與IV標靶與mPEG之雙功能抗體以達到協同標靶與藥物解決化療與HER2標靶之治療困境;最佳化之D/P_NCs展現出球形且微小的粒徑大小 (約140 nm)、良好安定性及高的包覆率與負載率 (約5.5%);雙功能抗體也被驗證確實能以anti-mPEG部分修飾mPEGylated奈米載體。於體外試驗,發現藉由雙功能抗體修飾於D/P_NCs表面上能顯著協同地提升細胞吞噬,且由於奈米載體同時負載歐洲紫杉醇與Pictilisib以2:1協同比例,進一步達到協同細胞毒殺性;於體內抗腫瘤試驗中,證實了歐洲紫杉醇與Pictilisib合併之協同抗癌效果與雙標靶區域雙功能抗體之主動標靶性,同時減少化療藥品的系統性毒性。於體內實驗的發現也顯示出奈米載體可以有效的減輕歐洲紫杉醇與Pictilisib之肝毒性。綜上所述,非共價鍵修飾雙重不同標靶區域雙功能抗體於奈米載體且裝載以協同比例之雙重化療藥品可成為有潛力的藥物遞送系統去克服不同癌症之抗藥性,值得更進一步發展應用至臨床上。
URI
https://handle.ncl.edu.tw/11296/7he88y
https://203.71.86.71/handle/123456789/10216

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