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15161
Annexin A2 (D11G2) Rabbit mAb (PE Conjugate)
抗体偶联物
单克隆抗体
R
Recombinant

Annexin A2 (D11G2) Rabbit mAb (PE Conjugate) #15161

Citations (1)
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Flow cytometric analysis of HL-60 cells (blue) or K562 (green) using Annexin A2 (D11G2) Rabbit mAb (PE Conjugate) (solid lines) or a concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control (PE Conjugate) #5742 (dashed lines).
To Purchase # 15161S
Cat. # Size Price Inventory
15161S
100 µl  (50 tests)

Supporting Data

REACTIVITY H M R Mk B Pg
SENSITIVITY Endogenous
MW (kDa)
Source/Isotype Rabbit IgG

Application Key:

  • WB-Western Blot
  • IP-Immunoprecipitation
  • IHC-Immunohistochemistry
  • ChIP-Chromatin Immunoprecipitation
  • C&R-CUT&RUN
  • C&T-CUT&Tag
  • DB-Dot Blot
  • eCLIP-eCLIP
  • IF-Immunofluorescence
  • F-Flow Cytometry

Species Cross-Reactivity Key:

  • H-Human
  • M-Mouse
  • R-Rat
  • Hm-Hamster
  • Mk-Monkey
  • Vir-Virus
  • Mi-Mink
  • C-Chicken
  • Dm-D. melanogaster
  • X-Xenopus
  • Z-Zebrafish
  • B-Bovine
  • Dg-Dog
  • Pg-Pig
  • Sc-S. cerevisiae
  • Ce-C. elegans
  • Hr-Horse
  • GP-Guinea Pig
  • Rab-Rabbit
  • All-All Species Expected

Product Description

This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Annexin A2 (D11G2) Rabbit mAb #8235.

Product Usage Information

Application Dilution
Flow Cytometry (Fixed/Permeabilized) 1:50

Storage

Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibodies. Protect from light. Do not freeze.

Protocol

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Flow Cytometry, Methanol Permeabilization Protocol for Directly Conjugated Antibodies

A. Solutions and Reagents

All reagents required for this protocol may be efficiently purchased together in our Intracellular Flow Cytometry Kit (Methanol) #13593, or individually using the catalog numbers listed below.

NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.

  1. 1X Phosphate Buffered Saline (PBS): To prepare 1 L 1X PBS: add 100 ml 10X PBS (#12528) to 900 ml water mix.
  2. 4% Formaldehyde, Methanol-Free (#47746)
  3. 100% Methanol (#13604): Chill before use
  4. Antibody Dilution Buffer: Purchase ready-to-use Flow Cytometry Antibody Dilution Buffer (#13616), or prepare a 0.5% BSA PBS buffer by dissolving 0.5 g Bovine Serum Albumin (BSA) (#9998) in 100 ml 1X PBS. Store at 4°C.

NOTE: When including fluorescent cellular dyes in your experiment (including viability dyes, DNA dyes, etc.), please refer to the dye product page for the recommended protocol. Visit www.cellsignal.com for a full listing of cellular dyes validated for use in flow cytometry.

B. Fixation

NOTE: Adherent cells or tissue should be dissociated and in single-cell suspension prior to fixation.

NOTE: Optimal centrifugation conditions will vary depending upon cell type and reagent volume. Generally, 150-300g for 1-5 minutes will be sufficient to pellet the cells.

NOTE: If using whole blood, lyse red blood cells and wash by centrifugation prior to fixation.

NOTE: Antibodies targeting CD markers or other extracellular proteins may be added prior to fixation if the epitope is disrupted by formaldehyde and/or methanol. The antibodies will remain bound to the target of interest during the fixation and permeabilization process. However, note that some fluorophores (including PE and APC) are damaged by methanol and thus should not be added prior to permeabilization. Conduct a small-scale experiment if you are unsure.

  1. Pellet cells by centrifugation and remove supernatant.
  2. Resuspend cells in approximately 100 µl 4% formaldehyde per 1 million cells. Mix well to dissociate pellet and prevent cross-linking of individual cells.
  3. Fix for 15 min at room temperature (20-25°C).
  4. Wash by centrifugation with excess 1X PBS. Discard supernatant in appropriate waste container. Resuspend cells in 0.5-1 ml 1X PBS. Proceed to Permeabilization step.
    1. Alternatively, cells may be stored overnight at 4°C in 1X PBS.

C. Permeabilization

  1. Permeabilize cells by adding ice-cold 100% methanol slowly to pre-chilled cells, while gently vortexing, to a final concentration of 90% methanol.
  2. Permeabilize for a minimum of 10 min on ice.
  3. Proceed with immunostaining (Section D) or store cells at -20°C in 90% methanol.

D. Immunostaining

NOTE: Count cells using a hemocytometer or alternative method.

  1. Aliquot desired number of cells into tubes or wells. (Generally, 5x105 to 1x106 cells per assay.)
  2. Wash cells by centrifugation in excess 1X PBS to remove methanol. Discard supernatant in appropriate waste container. Repeat if necessary.
  3. Resuspend cells in 100 µl of diluted primary antibody, prepared in Antibody Dilution Buffer at a recommended dilution or as determined via titration.
  4. Incubate for 1 hr at room temperature. Protect from light.
  5. Wash by centrifugation in Antibody Dilution Buffer or 1X PBS. Discard supernatant. Repeat.
  6. Resuspend cells in 200-500 µl of 1X PBS and analyze on flow cytometer.

posted July 2009

revised June 2020

实验步骤编号:407

特异性/灵敏度

Annexin A2 (D11G2) Rabbit mAb (PE Conjugate) 可识别内源水平的总膜联蛋白 A2。不知或未预测到该抗体会与其他膜联蛋白家族成员发生交叉反应。

物种反应性:

人, 小鼠, 大鼠, 猴, 牛 , 猪

基于 100% 序列同源性预测发生反应的物种:

犬 , 马

来源/纯化

使用与人膜联蛋白 A2 的 Phe307 周围残基相对应的合成肽,对动物进行免疫接种来产生单克隆抗体。

背景

膜连蛋白 A2 (ANXA2)(也称脂皮素 II 或依钙蛋白-1 重链)是 36 kDa 的膜联蛋白超家族成员,通过膜联蛋白重复序列以钙依赖的方式结合磷脂和其他蛋白质 (1)。膜联蛋白 A2 包含四个重复序列,并通过四个重复序列介导蛋白与蛋白、蛋白与脂质之间的相互作用 (1-4)。它与 S100A10 形成一种结构性异源四聚体,可作为肌动蛋白细胞骨架、质膜和内吞囊泡结构之间的桥梁 (5-7)。膜连蛋白 A2 最初被认定为磷脂酶 A2 的蛋白抑制剂,随后证明膜连蛋白 A2 与大量蛋白和非蛋白伴侣相互作用,包括纤丝状肌动蛋白、血影蛋白、SNARE 复合体、RNA 和病毒颗粒 (4,6,8,9)。经证明膜连蛋白 A2 还有受体样活性,可在巨噬细胞和血管内皮细胞表面检测到,并分别介导巨噬细胞激活和凝血因子 Xa 信号转导 (10-13)。细胞表面膜连蛋白 A2 上调能通过 Src 磷酸化 Tyr23 进行调节 (14-18)。有趣的是,最近已证明细胞表面膜联蛋白 A2 的表达需要 Tyr23 磷酸化,在细胞表面,膜连蛋白 A2 介导某些胰腺癌细胞的运动性、侵犯以及整体转移潜能 (19,20)。膜连蛋白 A2 经证明还能在 PKC 激活后通过多效机制在丝氨酸残基被高度磷酸化 (21-23)。如需了解膜连蛋白 A2 磷酸化位点的完整列表,请访问 www.phosphosite.org PhosphoSitePlus®

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  8. Filipenko, N.R. et al. (2004) J Biol Chem 279, 8723-31.
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  14. Huang, K.S. et al. (1986) Cell 46, 191-9.
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  17. Morel, E. and Gruenberg, J. (2009) J Biol Chem 284, 1604-11.
  18. de Graauw, M. et al. (2008) Mol Cell Biol 28, 1029-40.
  19. Nedjadi, T. et al. (2009) Br J Cancer 101, 1145-54.
  20. Zheng, L. et al. (2011) PLoS One 6, e19390.
  21. Gould, K.L. et al. (1986) Mol Cell Biol 6, 2738-44.
  22. Luo, W. et al. (2008) Mol Carcinog 47, 934-46.
  23. He, K.L. et al. (2011) J Biol Chem 286, 15428-39.

有限使用

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产品用“仅供研究使用”或类似标示声明标示,并且尚未经 FDA 或其他国外或国内监管实体出于任何目的批准、准许或许可。客户不得出于任何诊断或治疗目的或以任何与产品标示声明相冲突的方式使用任何产品。CST 销售或许可的产品提供给作为最终用户的客户,且仅用于研究和开发用途。出于诊断、预防或治疗目的任何产品使用或出于转售(单独或作为成分)或其他商业目的的任何产品购买都要求来自 CST 的单独许可。客户 (a) 不得向任何第三方出售、许可、出借、捐赠或另行转让或提供任何本公司产品,无论单独或联合其他材料方式,或使用本公司产品制造任何商业产品,(b) 不得复制、修改、逆向工程、反编译、反汇编或另行尝试发现本公司产品的底层结构或技术,或出于开发与 CST 产品或服务竞争的任何产品或服务的目的使用本公司产品,(c) 不得从本公司产品改变或移除任何商标、商品名称、徽标、专利或版权声明或标记,(d) 仅应根据 CST 产品销售条款和任何适用文档使用本公司产品,以及 (e) 应就客户联系本公司产品所用的任何第三方产品或服务而言遵守任何许可、服务条款或类似协议。

仅供研究使用。不得用于诊断流程。
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