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    • 1. 发明申请
    • Novel F-18 labeled annexin V, synthesis thereof, and use thereof
    • 新型F-18标记的膜联蛋白V,其合成及其用途
    • US20070031333A1
    • 2007-02-08
    • US10740688
    • 2003-12-22
    • Ronnie MeaseJeffrey ToretskyIrving Weinberg
    • Ronnie MeaseJeffrey ToretskyIrving Weinberg
    • A61K51/00
    • A61K51/088A61K51/087
    • A method for noninvasive measurement of apoptosis is described. The method includes the steps of labeling Annexin V with a positron emitter, injecting the labeled Annexin V into a target cell group, obtaining an image of the target cell group using a positron emission tomography scanner, and evaluating the image to determine an amount of cell death within the target cell group. The target cell group may be a lesion or a suspected tumor. The positron emitter may be F-18. The step of labeling Annexin V with F-18 may include the steps of selecting an F-18 labeled small molecule containing a protein conjugating group, synthesizing and purifying the selected molecule, producing a high specific activity prosthetic group as a result of the synthesizing and purifying step, and conjugating the prosthetic group to the Annexin V. The produced prosthetic group may be N-succinimidyl-4-[18F]fluorobenzoate (SFB).
    • 描述了一种用于无创测量细胞凋亡的方法。 该方法包括用正电子发射体标记膜联蛋白V的步骤,将标记的膜联蛋白V注射到靶细胞组中,使用正电子发射断层扫描仪获得靶细胞组的图像,并评估图像以确定细胞数量 靶细胞组内死亡。 靶细胞组可能是病变或疑似肿瘤。 正电子发射体可以是F-18。 用F-18标记膜联蛋白V的步骤可以包括选择含有蛋白质缀合基团的F-18标记的小分子,合成和纯化所选择的分子,作为合成结果产生高比活性假体基团的步骤,以及 纯化步骤,并将假体基团与膜联蛋白V缀合。所制备的假基团可以是N-琥珀酰亚胺基-4- [[18 F]氟代苯甲酸酯(SFB))。