Development of an Universal Anti-Polyethylene Glycol RenorterGene for Noninvasive Imaging of PEGylated Probes

Chia Nan University of Pharmacy & Science Institutional Repository > 藥理學院 > 2011年台俄有機、藥物與生物化學交流暨藥物化學研討會 > Item 310902800/24230

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標題:	Development of an Universal Anti-Polyethylene Glycol RenorterGene for Noninvasive Imaging of PEGylated Probes
作者:	Kuo-Hsiang Chuang (莊國祥) Yu-Ling Lu (呂玉玲) Steve Roffler (羅傅倫) Tian-Lu Cheng (鄭添祿)
日期:	2011
上傳時間:	2011-06-23 14:57:20 (UTC+8)
摘要:	Development of a highly specific and non-immunogenic reporter to monitor gene expression in vivo is critical for successful optimization ot gene and cell therapy protocols. Here we developed a membrane-anchored anti-polyethylene glycol (aPEG) eporter that can specifically bind PEGylated imaging probes to assess the location, extent and persistence of gene expression or transplanted cells in vivo. Functional aPEG reporters that were stably expressed on cells in vitro and in vivo selectively accumulated various PEGylated imaging probes and could be detected by optical imaging, magnetic resonance (MR) imaging and micro-positron emission tomography (micro-PET). The aPEG reporter displayed an imaging specificity comparable to HSV-tk but did not provoke immune responses or cause toxicity to the host. Importantly, a humanized aPEG reporter retained high imaging speciiicuy in subcutaneous and metastatic tumor models in vivo. Thus, the highly specific and non-immunogenic aPEG reporter may be paired with PEGylated probes to pro'ovide a valuable system to image gene expression or cell delivery in the clinic.
關聯:	2011年台俄有機、藥物與生物化學交流暨藥物化學研討會，起迄日：2011/04/06~2011/04/05，地點：溪頭台大實驗林
顯示於類別:	[藥理學院] 2011年台俄有機、藥物與生物化學交流暨藥物化學研討會 [藥學系(所)] 會議論文

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