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- Cell Signaling Technology
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- USA
- 2025年12月28日
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-Gab2 (Tyr452) (C33G1) Rabbit mAb
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Tyr452 of human Gab2
- 应用范围：
W
- 库存：
大量
- 供应商：
CST
- 适应物种：
H,M
- 级别：
详见MSDS文件
- 保质期：
详见说明书
- 是否单克隆：
1
- 保存条件：
-20°c
- 规格：
40 ul (4 western blots)/100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 40 ul (4 western blots) | 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
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) | Isotype |
|---|---|---|---|---|
| W | H M | Endogenous | 98 | Rabbit IgG |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-Gab2 (Tyr452) (C33G1) Rabbit mAb detects endogenous levels of Gab2 only when phosphorylated at Tyr452. This antibody weakly cross-reacts with tyrosine-phosphorylated Gab1 and Gab3 proteins. |
| Source / Purification | Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr452 of human Gab2. Western Blotting
Western blot analysis of extracts from Baf3 cells stably transfected with a construct expressing FLT3, untreated or treated with FLT ligand (FL), using Phospho-Gab2 (Tyr452) (C33G1) Rabbit mAb (upper) or Gab2 (26B6) Rabbit mAb #3239 (lower). |
| Background | The Grb-associated binder (Gab) family is a family of adaptor proteins recruited by a wide variety of receptor tyrosine kinases (RTKs) such as EGFR, HGFR, insulin receptor, cytokine receptor and B cell antigen receptors. Upon stimulation of RTKs by their cognate ligand, Gab is recruited to the plasma membrane where it is phosphorylated and functions as a scaffold (1-4). Multiple tyrosine phosphorylation sites of Gab1 protein have been identified (5). Phosphorylation of Tyr472 regulates its binding to p85 PI3 kinase (6,7). Phosphorylation of Gab1 at Tyr307, Tyr373 and Tyr407 modulates its association to PLCγ (8). Phosphorylation of Tyr627 and Tyr659 is required for Gab1 binding to and activation of the protein tyrosine phosphatase SHP2 (6,9). Gab2 is also phosphorylated by tyrosine kinases (10,11). Tyr452 is a potential binding site of p85, the regulatory subunit of PI3 kinase (12). Tyr614 is essential for SHP2 association (11). Furthermore, Akt phosphorylates Gab2 at Ser159 and inhibits Gab2 tyrosine phosphorylation, suggesting that Akt is engaged in negative feedback regulation of Gab2 signaling (13).
|
| 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：使用 Anti-phospho-Akt (Ser473) Rabbit mAb 对石蜡包埋的人乳腺癌组织进行免疫组织化学分析。（图 A）使用免疫组化试剂盒M&R HRP/DAB Detection IHC Kit，抗体 1:100 稀释；(图 B) 采用普通免疫组化试剂盒，抗体 1:25 稀释。 图 6 免疫组化实验检测 Erk1/2 表达 注：使用 Anti-Erk1/2 Mouse mAb与p44/42 MAPK （Erk1/2）Rabbit mAb 对正常小鼠心脏组织进行免疫
。所以，我们建议使用微波炉或高压锅加热煮沸以达到最佳抗原修复效果。抗体：Phospho–Stat3 (Tyr705)(D3A7) XP. Rabbit mAb #9145样本：石蜡包埋人类肺部肿瘤样本煮沸设备：浴锅 (左)，微波炉 (中)，高压锅 (右)免疫染色—封闭在 IHC–P 中，我们建议在室温下在含有 Tween20 的 TBST 缓冲液和 5% 正常山羊血清 (NGS) 中封闭样品，时长 1 小时，以防止非特异性背景染色。在进行 IHC–F 时，在含有 0.3% Triton. X–100 的 1X
h）即可。2. 修复大法——不仅仅是「煮一煮」微波炉修复：简单易行效果好，CST 推荐使用微波炉完成修复。合适的修复液：根据抗体说明书使用合适的修复液。用柠檬酸修复后，切片需浸泡在修复液中，自然冷却；而用 EDTA 修复后，切片可直接从修复缸中取出，直接进行下一步。注：使用不同的修复方式和不同生产商的抗体检测人肺癌组织中 EGFR 的表达。第一排为 CST 的 EGF Receptor (D38B1) XP® Rabbit mAb（#4267），EDTA 的修复方式明显优于柠檬酸盐及胃蛋白
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