InVivoMAb anti-rat/mouse CD71 (TfR1)
Useful for targeted drug delivery to the brain
研发背景:
OX-26单克隆抗体可识别大鼠的CD71蛋白,CD71蛋白也被称为转铁蛋白受体蛋白1(TfR1)。据报道,该抗体OX-26也与小鼠CD71发生交叉反应。CD71是一种170-180kda的II型同型二聚体跨膜糖蛋白,其表达于增殖细胞、网状细胞和类红细胞前体等细胞的表面。
CD71在调节细胞增殖中起着重要作用,它是通过细胞内吞作用将铁从转铁蛋白转运到细胞内的。有研究表明,CD71在恶性肿瘤细胞中高水平表达,其表达与肿瘤的进展有关。这种在恶性细胞上的高表达,加上CD71的内化能力以及铁对癌细胞增殖的必要性,会使转铁蛋白受体成为一个有吸引力的靶点,可用于将药物输送到恶性细胞。OX-26与CD71的胞外结构域结合后,通过内源性转铁蛋白转运系统进入血脑屏障(Blood-Brain Barrier,BBB)。在这一机制下,OX-26抗体常被用于在实验性大鼠模型中通过BBB转运结合药物。
▹ 抗体的应用
◎ 脑部的靶向给药
◎ 冰冻切片的免疫组化实验
◎ 流式细胞术
▹ 一如既往,BioXcell抗体是专为体内使用而制备的,具有以下特点:
◎ 95%纯度
◎ 超低内毒素水平
◎ 不含防腐剂、稳定剂和载体蛋白
▹ 产品信息:
产品货号 | BE0331 |
产品名称 | InVivoMAb anti-rat/mouse CD71 (TfR1) |
规格 | 1mg、5mg、25mg、50mg、100mg |
克隆号 | OX-26 |
同种型(Isotype) | Mouse IgG2a, κ |
免疫原(Immunogen) | PHA-activated PVG rat lymph node cells |
成分(Formulation) | PBS, pH 7.0 |
Contains no stabilizers or preservatives |
内毒素(Endotoxin) | <2EU/mg (<0.002EU/μg) |
Determined by LAL gel clotting assay |
纯度(Purity) | >95% |
Determined by SDS-PAGE |
无菌(Sterility) | 0.2 μM filtered |
生产(Production) | Purified from tissue culture supernatant in an animal free facility |
纯化(Purification) | Protein A |
保存(Storage) | The antibody solution should be stored at the stock concentration at 4°C. Do not freeze. |
应用(Reported Applications) | Targeted drug delivery to the brain |
Immunohistochemistry (frozen) |
Flow cytometry |
▹ Application References:
Amani, H., et al. (2019). 'Selenium nanoparticles for targeted stroke therapy through modulation of inflammatory and metabolic signaling.' Sci Rep 9(1): 6044.
Tang, X., et al. (2015). 'Anti-transferrin receptor-modified amphotericin B-loaded PLA-PEG nanoparticles cure Candidal meningitis and reduce drug toxicity.' Int J Nanomedicine 10: 6227-6241
Yue, J., et al. (2012). 'Fluorescence-labeled immunomicelles: preparation, in vivo biodistribution, and ability to cross the blood-brain barrier.' Macromol Biosesci 12(9): 1209-1219.
Fabriek, B. O., et al. (2007). 'The macrophage CD163 surface glycoprotein is an erythroblast adhesion receptor.' Blood 109(12): 5223-5229.
Jimenez, E., et al. (2002). 'Rat peripheral CD4+CD8+ T lymphocytes are partially immunocompetent thymus-derived cells that undergo post-thymic maturation to become functionally mature CD4+ T lymphocytes.' J Immunol 168(10): 5005-5013.
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