Date published: 2025-9-7

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CD21 抗体 (A-3): sc-13135

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说明书
  • CD21 抗体 A-3 是小鼠单克隆 IgG2b κ,CD21抗体, 在9篇文献中引用,规格为200 µg/ml
  • 免疫human物种的CD21的氨基酸21-260
  • CD21 抗体 (A-3) 推荐用于 WB, IP, IF, IHC(P) 和 ELISA,检测mouse, rat 和human 来源的 CD21
  • 抗CD21抗体(A-3)可与琼脂糖结合用于IP;与HRP结合用于WB、IHC(P)和ELISA;与藻红蛋白FITC结合用于IF、IHC(P)和FCM
  • 还可偶联Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594Alexa Fluor® 647,用于WB (RGB), IF, IHC(P) 和 FCM, 以及用于RGB荧光成像系统,例如iBright™ FL1000, FluorChem™, Typhoon, Azure和其他类似的系统
  • 还可偶联Alexa Fluor® 680Alexa Fluor® 790, 用于WB (NIR), IF 和 FCM; 以及用于近红外(NIR)检测系统,如LI-COR®/Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure和类似系统
  • 关于如何获取CD21 (A-3): sc-13135免费10 µg小样,联系我们技术服务部门 (或者您当地的代理商)了解详情。
  • m-IgG Fc BP-HRPm-IgGκ BP-HRP 是 CD21 抗体 (A-3) 在 WB and IHC(P) 应用中的首选二抗检测试剂。这些试剂现与CD21 抗体 (A-3) 组合成套装提供。 (请参阅下面的订购信息)。

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関連項目

CD21抗体(A-3)是一种小鼠单克隆IgG2b kappa轻链抗体,可通过蛋白质印迹(WB)、免疫沉淀(IP)、免疫荧光(IF)、石蜡包埋切片免疫组织化学(IHCP)和酶联免疫吸附测定(ELISA)检测小鼠、大鼠和人类来源的CD21蛋白。抗CD21抗体(A-3)有非结合型和多种结合型,包括琼脂糖、辣根过氧化物酶(HRP)、藻红蛋白(PE)、异硫氰酸荧光素(FITC)和多种Alexa Fluor®结合物。CD21,又称补体受体2型,是一种I型整合膜糖蛋白,在免疫系统中起着至关重要的作用,是C3d补体片段和EB病毒的受体。CD21在成熟B细胞、滤泡树突状细胞和某些上皮细胞上的表达对于B细胞的活化和增殖至关重要,因为CD21与辅助受体CD19共同增强B细胞抗原受体(BCR)的信号强度。这种相互作用对于适应性免疫反应至关重要,因为CD21可调节B细胞的激活阈值,确保对外来抗原产生强效且特异的反应。此外,CD21在B细胞激活后会发生磷酸化,这是一种关键的翻译后修饰,会影响下游信号传导通路和细胞结果。了解CD21的功能和调节对于阐明免疫反应机制以及自身免疫性疾病和感染等疾病的潜在治疗靶点非常重要。

仅限研究使用。不适用于诊断和治疗用途。

Alexa Fluor® 是Molecular Probes Inc., OR., USA的商标

LI-COR®和 Odyssey® 是LI-COR Biosciences的注册商标

CD21 抗体 (A-3) 参考文献:

  1. 人类补体受体 2(CR2,CD21)转基因小鼠的 B 细胞本体发育和免疫反应缺陷在缺乏 C3 的情况下可得到部分恢复。  |  Twohig, J., et al. 2007. Mol Immunol. 44: 3434-44. PMID: 17379312
  2. 原发肿瘤不明的滤泡树突状细胞瘤。  |  Yakushijin, Y., et al. 2007. Int J Clin Oncol. 12: 56-8. PMID: 17380443
  3. 补体受体 CR1(CD35)和 CR2(CD21)的结构和功能。  |  Ahearn, JM. and Fearon, DT. 1989. Adv Immunol. 46: 183-219. PMID: 2551147
  4. Epstein-Barr 病毒 gp350/220 与 B 淋巴细胞 C3d 受体的结合介导了吸附, 封盖和内吞作用。  |  Tanner, J., et al. 1987. Cell. 50: 203-13. PMID: 3036369
  5. 人类 CD21-/低 B 细胞不断扩大的情况特写。  |  Gjertsson, I., et al. 2022. Clin Exp Immunol. 210: 217-229. PMID: 36380692
  6. MYC 可直接反式激活 Epstein-Barr 病毒的受体 CR2/CD21,增强伯基特淋巴瘤细胞的病毒感染能力。  |  Molina, E., et al. 2023. Oncogene. 42: 3358-3370. PMID: 37773203
  7. IgA 肾病中的 IgA 类切换 CD27-CD21+ B 细胞。  |  Popova, A., et al. 2024. Nephrol Dial Transplant.. PMID: 39020236
  8. B 淋巴细胞的 CD19/CD21 信号转导复合物。  |  Tedder, TF., et al. 1994. Immunol Today. 15: 437-42. PMID: 7524521
  9. 补体受体 2(CR2,CD21)与 C3 的配体结合位点的特征。配体与两个相连的短共识重复模块相互作用的初始模型。  |  Molina, H., et al. 1995. J Immunol. 154: 5426-35. PMID: 7730644
  10. Epstein-Barr 病毒与病毒受体 CD21 结合后,会通过一种与 B 细胞感染有关的细胞内途径激活静息 B 细胞。  |  Roberts, ML., et al. 1996. J Gen Virol. 77 (Pt 12): 3077-85. PMID: 9000100
  11. 控制人类恶性 B 细胞表面 CD21(CR2)和 CD23(Fc(epsilon)IIR)蛋白表达的途径。  |  Shubinsky, G., et al. 1997. Leuk Lymphoma. 25: 521-30. PMID: 9250823
  12. Epstein-Barr 病毒与 CD21 结合后,会通过 NF-kappaB 诱导激活初始病毒启动子。  |  Sugano, N., et al. 1997. J Exp Med. 186: 731-7. PMID: 9271588

订购信息

产品名称产品编号规格价格数量收藏夹

CD21 抗体 (A-3)

sc-13135
200 µg/ml
RMB2377.00

CD21 (A-3): m-IgG Fc BP-HRP 套装

sc-525468
200 µg Ab; 10 µg BP
RMB2662.00

CD21 (A-3): m-IgGκ BP-HRP 套装

sc-551906
200 µg Ab; 40 µg BP
RMB2662.00

CD21 抗体 (A-3) AC

sc-13135 AC
500 µg/ml, 25% agarose
RMB3129.00

CD21 抗体 (A-3) HRP

sc-13135 HRP
200 µg/ml
RMB2377.00

CD21 抗体 (A-3) FITC

sc-13135 FITC
200 µg/ml
RMB2482.00

CD21 抗体 (A-3) PE

sc-13135 PE
200 µg/ml
RMB2580.00

CD21 抗体 (A-3) Alexa Fluor® 488

sc-13135 AF488
200 µg/ml
RMB2685.00

CD21 抗体 (A-3) Alexa Fluor® 546

sc-13135 AF546
200 µg/ml
RMB2685.00

CD21 抗体 (A-3) Alexa Fluor® 594

sc-13135 AF594
200 µg/ml
RMB2685.00

CD21 抗体 (A-3) Alexa Fluor® 647

sc-13135 AF647
200 µg/ml
RMB2685.00

CD21 抗体 (A-3) Alexa Fluor® 680

sc-13135 AF680
200 µg/ml
RMB2685.00

CD21 抗体 (A-3) Alexa Fluor® 790

sc-13135 AF790
200 µg/ml
RMB2685.00

Can CD21 (A-3): sc-13135 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: Germaine
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent, CD21 (A-3): sc-13135 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-02-24
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Rated 4 out of 5 by from ottimo anticorpoFunziona in IHC alla condizione 1:50 ph9, su tessuto murino
Date published: 2025-05-12
Rated 5 out of 5 by from Good stainingNo problem on human tonsil IHC, demasking pH 9, 1:50 dilution.
Date published: 2017-11-08
Rated 5 out of 5 by from Excellent!This antibody works great in western blot analysis of CD21 expression in WEHI-231 and F9 whole cell lysates and human tonsil tissue extract.
Date published: 2017-01-23
Rated 1 out of 5 by from IHC (P): only for follicular dendritic cellsFormol-fixed (24h) paraffin sections of normal human spleen, antigen retrieval tested: 1) autoclaving in citrate buffer pH 6.0, or 2) protease XIV, or 3) no pretreatment: Only follicular dendritic cells (FDCs) stained, CD21-positive B-lymphocytes in follicles remain almost unstained. Best retrieval: autoclaving at pH 6.0. It may be possible to also stain B-lymphocytes if tyramide amplification is used in a peroxidase system.
Date published: 2017-01-18
Rated 5 out of 5 by from Great immunoperoxidase membrane stainingGreat immunoperoxidase membrane staining in formalin fixed, paraffin-embedded human appendix tissue. -SCBT QC
Date published: 2015-02-07
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CD21 抗体 (A-3) is rated 4.2 out of 5 by 6.
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