InVivoMAb anti-rat/mouse CD71 (TfR1)
Useful for targeted drug delivery to the brain
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研發(fā)背景:?
OX-26單克隆抗體可識別大鼠的CD71蛋白,CD71蛋白也被稱為轉(zhuǎn)鐵蛋白受體蛋白1(TfR1)。據(jù)報道,該抗體OX-26也與小鼠CD71發(fā)生交叉反應(yīng)。CD71是一種170-180kda的II型同型二聚體跨膜糖蛋白,其表達于增殖細胞、網(wǎng)狀細胞和類紅細胞前體等細胞的表面。
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CD71在調(diào)節(jié)細胞增殖中起著重要作用,它是通過細胞內(nèi)吞作用將鐵從轉(zhuǎn)鐵蛋白轉(zhuǎn)運到細胞內(nèi)的。有研究表明,CD71在惡性腫瘤細胞中高水平表達,其表達與腫瘤的進展有關(guān)。這種在惡性細胞上的高表達,加上CD71的內(nèi)化能力以及鐵對癌細胞增殖的必要性,會使轉(zhuǎn)鐵蛋白受體成為一個有吸引力的靶點,可用于將藥物輸送到惡性細胞。OX-26與CD71的胞外結(jié)構(gòu)域結(jié)合后,通過內(nèi)源性轉(zhuǎn)鐵蛋白轉(zhuǎn)運系統(tǒng)進入血腦屏障(Blood-Brain Barrier,BBB)。在這一機制下,OX-26抗體常被用于在實驗性大鼠模型中通過BBB轉(zhuǎn)運結(jié)合藥物。
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??抗體的應(yīng)用
◎?腦部的靶向給藥
◎?冰凍切片的免疫組化實驗
◎?流式細胞術(shù)
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??一如既往,BioXcell抗體是專為體內(nèi)使用而制備的,具有以下特點:
◎?95%純度
◎?超低內(nèi)毒素水平
◎?不含防腐劑、穩(wěn)定劑和載體蛋白
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??產(chǎn)品信息:??
產(chǎn)品貨號 | BE0331 |
產(chǎn)品名稱 | InVivoMAb anti-rat/mouse CD71 (TfR1) |
規(guī)格 | 1mg、5mg、25mg、50mg、100mg |
克隆號 | OX-26 |
同種型(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 |
內(nèi)毒素(Endotoxin) | <2EU/mg (<0.002EU/μg) |
Determined by LAL gel clotting assay |
純度(Purity) | >95% |
Determined by SDS-PAGE |
無菌(Sterility) | 0.2 μM filtered |
生產(chǎn)(Production) | Purified from tissue culture supernatant in an animal free facility |
純化(Purification) | Protein A |
保存(Storage) | The antibody solution should be stored at the stock concentration at 4°C. Do not freeze. |
應(yīng)用(Reported Applications) | Targeted drug delivery to the brain |
Immunohistochemistry (frozen) |
Flow cytometry |
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??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 Biosci 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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