- 询价
- Cell Signaling Technology
- 8555
- USA
- 2025年11月10日
- W
- Rabbit
- H,M,R,Mk
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Annexin V Antibody
- 抗原：
synthetic peptide corresponding to residues near the amino terminus of human annexin V protein
- 应用范围：
W
- 宿主：
Rabbit
- 供应商：
CST
- 适应物种：
H,M,R,Mk
- 级别：
详见MSDS文件
- 库存：
大量
- 保质期：
详见说明书
- 是否单克隆：
2
- 保存条件：
-20°c
- 规格：
100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 100 ul (10 western blots) | 产品价格： | ￥请询价 |
| 规格： | carrier free & custom formulation / quantity | 产品价格： | ￥请询价 |
pathway more info application references datasheet PDF MSDS PDF protocols
Applications Key: W=Western Blotting
Reactivity Key: H=Human M=Mouse R=Rat Mk=Monkey
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
| Applications | Reactivity | Sensitivity | MW (kDa) | Source |
|---|---|---|---|---|
| W | H M R Mk | Endogenous | 30 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Annexin V Antibody recognizes endogenous levels of total annexin V protein. This antibody is not predicted to cross-react with other annexin family members. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human annexin V protein. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of extracts from various cell lines using Annexin V Antibody. |
| Background | Annexin V, also known as PAP-1 or Lipocortin V, is a ~30 kDa protein that binds to phospholipids in a calcium-dependent manner (1). All annexins contain a putative PKC binding site, but only annexin V has been identified as an inhibitor of this pathway (2). It may also signal, by direct interaction with VEGFR2 receptor, in the regulation of vascular endothelial cell proliferation (3). Annexin V preferentially binds phosphatidylserine, in competition with prothrombin, leading to inhibition of blood coagulation at sites of injury preceding contact between lipid components and coagulation factors that initiate thrombosis (4-6). The ability of Annexin V to bind specifically and robustly to phosphatidylserine makes it an attractive reagent in detecting apoptotic cells (7). Annexin V is inducible by glucocorticoids and can be phosphorylated by tyrosine and serine/threonine kinases (8). It is thought to block production of mediators of inflammation, such as prostaglandins and leukotrienes by inhibiting the release of arachidonic acid from membranes by phospholipase A2 (8).
|
| Application References | Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know ! |
| Companion Products |
For Research Use Only. Not For Use In Diagnostic Procedures. |
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文献和实验Q：Annexin V 凋亡检测试剂盒的原理是什么？ A：Annexin V 是一种钙离子依赖性磷脂结合蛋白，与磷脂酰丝氨酸 PS 有高度亲和力，可通过细胞外侧暴露的 PS 与凋亡早期细胞胞膜结合，将 Annexin V 标记荧光染料如 FITC 利用流式细胞仪或荧光显微镜可检测细胞凋亡。 碘化丙啶(Propidium Iodide, PI)或 7-AAD 可与双链 DNA 特异性结合，并产生强烈的荧光，正常情况下无法透过细胞膜。由于凋亡晚期或坏死细胞膜丧失完整性，核染料 PI 或 7-AAD
示例： Jurkat细胞用1μM喜树碱(Camptothecin) (左)或未加药 (右)处理4h，FITC-Annexin V/PI荧光双染细胞凋亡检测试剂盒染色后，流式细胞仪荧光检测。 Annexin V-FITC单阳性细胞为早期凋亡细胞，Annexin V-FITC和PI染色双阳性的细胞为坏死细胞或者晚期凋亡。PI单染色阳性位裸核细胞。 实测数据可能会因细胞类型、细胞凋亡情况，检测仪器等的不同而存在差异，图中数据仅供参考。 流式检测细胞凋亡的数据分析方法： 1） 选中所有颗粒，将FSC
磷脂酰丝氨酸（Phosphatidylserine, PS）正常位于细胞膜的内侧，但在细胞凋亡的早期，PS可从细胞膜的内侧翻转到细胞膜的表面，暴露在细胞外环境中（图3）。Annexin-V是一种分子量为35~36KD的Ca2+依赖性磷脂结合蛋白，能与PS高亲和力特异性结合。将Annexin-V进行荧光素（FITC、PE）或biotin标记，以标记了的Annexin-V作为荧光探针，利用流式细胞仪或荧光显微镜可检测细胞凋亡的发生。碘化丙啶（propidine iodide, PI）是一种核酸
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