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    1. 技術(shù)文章您現(xiàn)在的位置:首頁 > 技術(shù)文章 > BioXcell:InVivoMAb anti-mouse CD172a (SIRPα)單克隆抗體

      BioXcell:InVivoMAb anti-mouse CD172a (SIRPα)單克隆抗體

      更新時間:2025-03-18   點擊次數(shù):214次

      P84單克隆抗體,也被稱為CD172a抗體,可與信號調(diào)節(jié)蛋白α(SIRPα)反應(yīng)。SIRPα蛋白是I型跨膜糖蛋白,在單核細胞、巨噬細胞和樹突狀細胞均有表達。此外,在神經(jīng)元和中樞神經(jīng)系統(tǒng)的一些其他組織也發(fā)現(xiàn)有SIRPα蛋白的表達。其配體CD47在多種細胞均有表達。

       

      SIRPα和CD47參與調(diào)節(jié)由樹突狀細胞介導(dǎo)的T細胞的活化、中性粒細胞遷移和吞噬等過程。SIRPα蛋白可在巨噬細胞的細胞膜上進行橫向擴散并在吞噬性突觸中積累,與CD47結(jié)合后,抑制巨噬細胞的吞噬作用。

       

      研究結(jié)果表明,使用anti-SIRPα抗體阻斷SIRPα與CD47相互作用,可抑制小鼠體內(nèi)腫瘤的形成。此外,P84(CD172a)單克隆抗體在體內(nèi)和體外均具有中和活性。

       

      BioXcell最新推出InVivoMAb anti-mouse CD172a (SIRPα)單克隆抗體,助力腫瘤免疫檢查點研究。如需購買BioXcell公司產(chǎn)品,請聯(lián)系代理商欣博盛生物。

      BE0322.jpg


      產(chǎn)品信息:

      產(chǎn)品貨號

      BE0322

      產(chǎn)品名稱

      InVivoMAb   anti-mouse CD172a (SIRPα)

      規(guī)格

      1mg,5mg,25mg,   50mg, 100mg

      克隆號

      P84

      同種型(Isotype)

      Rat IgG1, κ

      免疫原(Immunogen)

      Mouse brain   membrane protein

      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)

      Undiluted at   4°C in the dark

      應(yīng)用(Reported Applications)

      In   vivo SIRPα blocking

      In   vitro SIRPα blocking

      Western blot


      Application References:

      Yanagita, T., et al. (2017). 'Anti-SIRPalpha antibodies as a potential new tool for cancer immunotherapy.' JCI Insight 2(1): e89140. 

      Koskinen, C., et al. (2013). 'Lack of CD47 impairs bone cell differentiation and results in an osteopenic phenotype in vivo due to impaired signal regulatory protein alpha (SIRPalpha) signaling.' J Biol Chem 288(41): 29333-29344. 

      Teraoka, Y., et al. (2013). 'Expression of recipient CD47 on rat insulinoma cell xenografts prevents macrophage-mediated rejection through SIRPalpha inhibitory signaling in mice.' PLoS One 8(3): e58359. 

      Zen, K., et al. (2013). 'Inflammation-induced proteolytic processing of the SIRPalpha cytoplasmic ITIM in neutrophils propagates a proinflammatory state.' Nat Commun 4: 2436.

      Lundberg, P., et al. (2007). 'Osteoclast formation is strongly reduced both in vivo and in vitro in the absence of CD47/SIRPalpha-interaction.' Biochem Biophys Res Commun 352(2): 444-448. 

      Oldenborg, P. A., et al. (2001). 'CD47-signal regulatory protein alpha (SIRPalpha) regulates Fcgamma and complement receptor-mediated phagocytosis.' J Exp Med 193(7): 855-862.