- ￥1350 - 3000
- Proteintech
- 66351-1-Ig
- 2025年10月13日
- WB, IHC, IF-P, ELISA
- Mouse
- human, mouse
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- 详细信息
- 询价记录
- 文献和实验
- 技术资料
- 免疫原：
Recombinant human COX2/ Cyclooxygenase 2 protein
- 亚型：
IgG2a
- 保存条件：
Store at -20°C. Stable for one year after shipment.
- 克隆性：
Monoclonal
- 标记物：
Unconjugated
- 适应物种：
human, mouse
- 保质期：
详见产品包装
- 库存：
充足
- 宿主：
Mouse
- 应用范围：
WB, IHC, IF-P, ELISA
- 靶点：
COX2/ Cyclooxygenase 2/ PTGS2
- 抗体英文名：
COX2/ Cyclooxygenase 2/ PTGS2 Monoclonal antibody
- 抗体名：
COX2/ Cyclooxygenase 2/ PTGS2 Monoclonal antibody
- 规格：
50ul/100ul/150ul
| 规格： | 50ul | 产品价格： | ￥1350.0 |
|---|---|---|---|
| 规格： | 100ul | 产品价格： | ￥2200.0 |
| 规格： | 150ul | 产品价格： | ￥3000.0 |
经过测试的应用
| Positive WB detected in | RAW 264.7 cells, LPS treated HeLa cells, LPS treated RAW 264.7 cells |
| Positive IHC detected in | human cervical cancer tissue, human breast cancer tissue, human colon cancer tissue Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0 |
| Positive IF-P detected in | mouse lung tissue |
COX-2 expression is undetectable in most normal tissues but dramatically upregulated during inflammation (PMID: 9249646, 18657230).
推荐稀释比
| 应用 | 推荐稀释比 |
|---|---|
| Western Blot (WB) | WB : 1:1000-1:8000 |
| Immunohistochemistry (IHC) | IHC : 1:1000-1:4000 |
| Immunofluorescence (IF)-P | IF-P : 1:200-1:800 |
| It is recommended that this reagent should be titrated in each testing system to obtain optimal results. | |
| Sample-dependent, Check data in validation data gallery. | |
产品信息
66351-1-Ig targets COX2/ Cyclooxygenase 2/ PTGS2 in WB, IHC, IF-P, IP, CoIP, ELISA applications and shows reactivity with human, mouse samples.
| 经测试应用 | WB, IHC, IF-P, ELISA |
| 文献引用应用 | WB, IHC, IF, IP, CoIP |
| 经测试反应性 | human, mouse |
| 文献引用反应性 | human, mouse, rat, bovine |
| 免疫原 |
CatNo: Ag24721 Product name: Recombinant human COX2/ Cyclooxygenase 2 protein Source: e coli.-derived, PET30a Tag: 6*His Domain: 20-366 aa of BC013734 Sequence: PCCSHPCQNRGVCMSVGFDQYKCDCTRTGFYGENCSTPEFLTRIKLFLKPTPNTVHYILTHFKGFWNVVNNIPFLRNAIMSYVLTSRSHLIDSPPTYNADYGYKSWEAFSNLSYYTRALPPVPDDCPTPLGVKGKKQLPDSNEIVEKLLLRRKFIPDPQGSNMMFAFFAQHFTHQFFKTDHKRGPAFTNGLGHGVDLNHIYGETLARQRKLRLFKDGKMKYQIIDGEMYPPTVKDTQAEMIYPPQVPEHLRFAVGQEVFGLVPGLMMYATIWLREHNRVCDVLKQEHPEWGDEQLFQTSRLILIGETIKIVIEDYVQHLSGYHFKLKFDPELLFNKQFQYQNRIAAE |
| 宿主/亚型 | Mouse / IgG2a |
| 抗体类别 | Monoclonal |
| 产品类型 | Antibody |
| 全称 | prostaglandin-endoperoxide synthase 2 (prostaglandin G/H synthase and cyclooxygenase) |
| 别名 | COX2, PTGS2, 3G2B9, EC:1.14.99.1, Cyclooxygenase-2 |
| 计算分子量 | 604 aa, 68 kDa |
| 观测分子量 | 66-70 kDa |
| GenBank蛋白编号 | BC013734 |
| 基因名称 | COX2/PTGS2 |
| Gene ID (NCBI) | 5743 |
| RRID | AB_2881731 |
| 偶联类型 | Unconjugated |
| 形式 | Liquid |
| 纯化方式 | Protein A purification |
| UNIPROT ID | P35354 |
| 储存缓冲液 | PBS with 0.02% sodium azide and 50% glycerol, pH 7.3. |
| 储存条件 | Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. |
背景介绍
COX2 is an enzyme involved in the synthesis of prostaglandins from arachidonic acid.
1. What is the molecular weight of COX2?
The fully N-glycosylated PTGS2 is 72-74 kDa and the aglycosylated is 66 kDa (PMID:19656660). It also
expresses a band of 39 kDa after unspecific cleavage (PMID:17509125). The 50 kDa band of fragmented
PTGS2 has also previously been detected in AD brains (PMID:14724276).
2. Is COX2 post-translationally modified?
COX2 is a subject of post-translational modifications, including phosphorylation, glycosylation, and
s-nitrosylation (PMID: 28939645).
3. What is the difference between COX1, COX2, and COX3?
There are three isoenzymes that have cyclooxygenase activity: COX1, COX2, and COX3. While COX1
is a ubiquitously expressed constitutive enzyme, expression of COX2 is generally low but can be rapidly
induced by various stimuli (as part of infection and inflammatory response) and is controlled by the
transcription factor NFκB. COX3 is an alternative splice variant of COX1 enzyme and is considered
non-functional in humans.
4. I cannot detect COX2 in my sample during western blotting.
Unlike COX1, COX2 expression is inducible by a variety of stimuli including certain growth factors, cytokines,
and proinflammatory stimuli. COX2 basal expression levels may be very low in unstimulated cells. Additionally,
the COX2 half-life time is short and after stimulation, COX2 protein can be quickly degraded to basal levels
(PMID: 10966456), which should be taken into account during experimental design.
5. What is the role of COX2 in cancer?
COX2 is often upregulated in various cancer types and increased expression of COX2 is associated with
greater angiogenesis of solid tumors, increased invasion, and metastasis, as well as decreased host immunity.
6. What is subcellular localization of COX2?
Both COX1 and COX2 are present in the endoplasmic reticulum (ER) and nuclear envelope (PMID: 9545330),
but COX2 has been reported to be more enriched in the nuclear envelope compared to COX1 (PMID: 7738031).
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- 作者
- 内容
- 询问日期
文献和实验| Species | Application | Title |
|---|---|---|
| human | WB | Cell Metab Cooperation between COA6 and SCO2 in COX2 maturation during cytochrome c oxidase assembly links two mitochondrial cardiomyopathies.Authors - David Pacheu-Grau |
| IHC | ACS Nano Engineered Extracellular Vesicle-Delivered CRISPR/Cas9 for Radiotherapy Sensitization of GlioblastomaAuthors - Xiao Liu | |
| mouse | WB | Adv Sci (Weinh) Tryptophan As a New Member of RNA-Induced Silencing Complexes Prevents Colon Cancer Liver MetastasisAuthors - Fangyi Xu |
| human | WB | Redox Biol The deubiquitinase USP11 ameliorates intervertebral disc degeneration by regulating oxidative stress-induced ferroptosis via deubiquitinating and stabilizing Sirt3Authors - Jian Zhu |
| mouse | WB | J Nanobiotechnology Injectable photocrosslinking spherical hydrogel-encapsulated targeting peptide-modified engineered exosomes for osteoarthritis therapyAuthors - Junlai Wan |
| mouse | IHC | J Nanobiotechnology Low-dose celecoxib-loaded PCL fibers reverse intervertebral disc degeneration by up-regulating CHSY3 expressionAuthors - Yunhao Wang |
一、前言 1975 年，Kohler和Milstein发现将小鼠骨髓瘤细胞和绵羊红细胞免疫的小鼠脾细胞进行融合，形成的杂交细胞既可产生抗体，又可无限增殖，从而创立了单克隆抗体杂交瘤技术。这一技术上的突破不仅为医学与生物学基础研究开创了新纪元，也为临床疾病的诊、防、治提供了新的工具。 制备单克隆抗体包括动物免疫、细胞融合、选择杂交瘤、检测抗体、杂交瘤细胞的克隆化、冻存以及单克隆抗体的大量生产，要经过几个月的一系列实验步骤。 虽然单抗技术已经非常成熟，但是由于其经济价值，仍然
CD11a/CD11b/CD11c 分子 CDlla 常用单克隆抗体或代号：MHM24， 2F12； CRIS―3(LFA―lα链，整合素α1) 主要表达细胞：Leu[A5] 分子质量(kDa)和结构：spl80(整合素α) 功 能：与1CAM-l(CD54)、ICAM-2(CDl02)、ICAM-3(C1350)结合，介导细胞黏附；与JAMl结合，参与白细胞穿过内皮细胞
)进行抗体的检测外，还应用与其抗原成分相关的其它抗原进行交叉试验，方法可用ELISA、IFA法。例如①制备抗黑色素瘤细胞的McAb，除用黑色素瘤细胞反应外，还应用其它脏器的肿瘤细胞和正常细胞进行交叉反应，以便挑选肿瘤特异性或肿瘤相关抗原的单克隆抗体。② 制备抗重组的细胞因子的单克隆抗体，应首先考虑是否与表达菌株的蛋白有交叉反应，其次是与其它细胞因子间有无交叉。 2. McAb的Ig类与亚类的鉴定：一般在用酶标或荧光素标记的第二抗体进行筛选时，已经基本上确定了抗体的Ig类型。如果用的是酶标
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