Genetic Engineering a TGF-beta1 Tolerant Human Natural Killer Cell Line for Effective Anticancer Immunotherapy
自然殺傷(NK)細胞在人類腫瘤固有免疫中扮演極為重要的角色。儘管如此,由於其所處腫瘤微環境中存在大量轉化生長因子b1 (TGF-b1),而該因子已被廣泛證實能極大程度地抑制自然殺傷細胞的癌症殺傷效應。腫瘤細胞通過分泌大量轉化生長因子b1從而協助其逃避宿主免疫反應。我們前期試驗發現,TGF-b1/Smad3 信號是腫瘤進展過程中的關鍵性促進信號,荷瘤小鼠體內試驗證實抑制或敲除Smad3 能夠促進NK細胞發育及其抗腫瘤效應,並能有效阻止腫瘤的浸潤及轉移。儘管如此,通過全身注射Smad3抑制劑等方法來抑制Smad3 可能導致免疫系統的損傷。因此,此研究旨在通過特異性敲除NK細胞內的Smad3 來建立...
Other Authors: | Wang, Qingming (author.) |
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Format: | Others |
Language: | English Chinese |
Published: |
2016
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Subjects: | |
Online Access: | http://repository.lib.cuhk.edu.hk/en/item/cuhk-1292209 |
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