- ￥1350 - 3000
- Proteintech
- 10883-1-AP
- 2025年10月13日
- WB, IHC, FC (Intra), IP, ELISA
- Rabbit
- human, dog
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- 详细信息
- 文献和实验
- 技术资料
- 免疫原：
Recombinant human P16-INK4A protein
- 亚型：
IgG
- 保存条件：
Store at -20°C. Stable for one year after shipment.
- 克隆性：
Polyclonal
- 标记物：
Unconjugated
- 适应物种：
human, dog
- 保质期：
详见产品包装
- 库存：
充足
- 宿主：
Rabbit
- 应用范围：
WB, IHC, FC (Intra), IP, ELISA
- 靶点：
CDKN2A/P16-INK4A
- 抗体英文名：
CDKN2A/P16-INK4A Polyclonal antibody
- 抗体名：
CDKN2A/P16-INK4A Polyclonal 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 | HEK-293 cells, HEK293 cells, HeLa cells, HepG2 cells, PC-3 cells |
| Positive IP detected in | HEK-293 cells |
| Positive IHC detected in | human cervical 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/ICC detected in | MDCK cells |
| Positive FC (Intra) detected in | HeLa cells |
推荐稀释比
| 应用 | 推荐稀释比 |
|---|---|
| Western Blot (WB) | WB : 1:1000-1:6000 |
| Immunoprecipitation (IP) | IP : 0.5-4.0 ug for 1.0-3.0 mg of total protein lysate |
| Immunohistochemistry (IHC) | IHC : 1:1000-1:4000 |
| Immunofluorescence (IF)/ICC | IF/ICC : 1:200-1:800 |
| Flow Cytometry (FC) (INTRA) | FC (INTRA) : 0.40 ug per 10^6 cells in a 100 µl suspension |
| 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
10883-1-AP targets CDKN2A/P16-INK4A in WB, IHC, FC (Intra), IP, CoIP, ELISA applications and shows reactivity with human, dog samples.
| 经测试应用 | WB, IHC, FC (Intra), IP, ELISA |
| 文献引用应用 | WB, IHC, IP, CoIP |
| 经测试反应性 | human, dog |
| 文献引用反应性 | human, pig, rabbit, canine, monkey, bovine |
| 免疫原 |
CatNo: Ag1328 Product name: Recombinant human P16-INK4A protein Source: e coli.-derived, PGEX-4T Tag: GST Domain: 52-156 aa of BC021998 Sequence: MMMGSARVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVRDAWGRLPVDLAEELGHRDVARYLRAAAGGTRGSNHARIDAAEGPSDIPD |
| 宿主/亚型 | Rabbit / IgG |
| 抗体类别 | Polyclonal |
| 产品类型 | Antibody |
| 全称 | cyclin-dependent kinase inhibitor 2A |
| 别名 | p16, p16 INK4, P16 INK4A, p16-INK4, p16INK4A |
| 计算分子量 | 16 kDa |
| 观测分子量 | 16-18 kDa |
| GenBank蛋白编号 | BC021998 |
| 基因名称 | CDKN2A |
| Gene ID (NCBI) | 1029 |
| RRID | AB_2078303 |
| 偶联类型 | Unconjugated |
| 形式 | Liquid |
| 纯化方式 | Antigen affinity purification |
| UNIPROT ID | P42771 |
| 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
Background
p16 is an important cell cycle regulator and acts as a tumor suppressor. It may also be referred to as one of a number of synonyms, including p16INK4a and cyclin-dependent kinase inhibitor 2A.
What is the molecular weight of P16?
16kDa. P16 is encoded by the CDKN2A gene in humans and is a chain comprising 148 amino acids.
What is the function of p16?
P16 inhibits cells from progressing from G1 into S phase, binding to cyclin-dependent kinase 4 (CDK4) and inhibiting its kinase ability, so that it cannot phosphorylate the retinoblastoma tumor suppressor (RB). Without this phosphorylation, RB does not activate downstream genes, so the G1/S checkpoint cannot be passed and the cell does not proliferate (PMID: 8259215).
What is the role of p16 in senescence?
In senescence, cells are irreversibly arrested in the cell cycle. P16 is expressed more highly in aging tissue, is associated with intrinsic cellular aging signals such as telomere shortening, and can therefore be used as a marker of senescence (PMID: 9244355; PMID: 19535234). Due to its role in cell cycle arrest, p16 drives the initiation and maintenance of a cellular senescent phenotype.
What is the role of p16 in cancer?
As a negative regulator of proliferation, p16 is a known tumor suppressor. Mutations in the CDKN2A gene that lead to inactivation of p16 protein have been associated with an increased risk of cancer and are often observed in primary tumors and in cancer cell lines (PMID: 9508208). The inactivation of p16 has been shown to be a key early stage of tumor progression. In a small number of tumor types that are caused by the human papilloma virus (HPV), p16 is in fact overexpressed when RB is inactivated, releasing p16 and causing an accumulation (PMID: 21297668).
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文献和实验| Species | Application | Title |
|---|---|---|
| IHC | Nature Senolytic CAR T cells reverse senescence-associated pathologies.Authors - Corina Amor | |
| human | WB | Science PI(3,4)P2-mediated cytokinetic abscission prevents early senescence and cataract formation.Authors - Federico Gulluni |
| human | Nat Genet Early TP53 alterations engage environmental exposures to promote gastric premalignancy in an integrative mouse model.Authors - Nilay S Sethi | |
| WB | Cancer Cell mTORC1 Activation Blocks Braf(V600E)-Induced Growth Arrest but Is Insufficient for Melanoma Formation.Authors - William Damsky | |
| human | WB | Circulation Vascular Smooth Muscle Cell Senescence Promotes Atherosclerosis and Features of Plaque Vulnerability.Authors - Julie Wang |
| WB | Cell Metab SREBP1c-PARP1 axis tunes anti-senescence activity of adipocytes and ameliorates metabolic imbalance in obesity.Authors - Gung Lee |
因此，综合来说，EarthOx的GST标签抗体 （货号#E022040）是一款同时具有高特异性、高灵敏度、多应用类型以及性价比的GST标签抗体。同时，我们也提供其他品牌的GST标签抗体，如Proteintech的GST多克隆抗体 ――GST PolyClonal Antibody（货号#10000-0-AP）以及Abcam、Santa等多种GST标签抗体产品。更多GST标签抗体以及其他如His、HA、Myc、GFP、Flag等其他标签抗体，请电话垂询。美国EarthOx品牌是一家提供高性价比免疫学和细胞
实验，请根据说明书列出已验证的种属来选择适合你实验的抗体。 （4）样本蛋白的结构性质。了解样本蛋白的结构性质有助于选择最合适的抗体，待测样本蛋白的结构域和样本在提取和处理过程中是否会变性，蛋白空间构象的改变，会影响抗体的免疫亲和反应。 （5）单多克隆抗体的选择。市面上的抗体还是以多克隆抗体为主，一般单克隆抗体特异性强，但亲和力相对小，检测抗原灵敏度相对就低；而多克隆抗体特异性稍弱，但抗体的亲和力强，灵敏度高，但易出现非特异性染色（可以通过封闭等避免
发生，最好在特异性抗体处理切片之前，选择与二抗种属相同的非免疫血清封闭电荷，阻止一抗与之结合，抑制非特异性背景着色。常用方法是用2%～10%羊血清或2%～5%牛血清白蛋白在室温下作用10~30分钟。但应注意此种结合不牢固，所以最好不要冲洗，倾去余液直接加一抗。SABC或SP免疫组织化学试剂盒中常配有非免疫血清。 7．第一抗体孵育 滴加特异性一抗于切片上，4℃孵育24～48小时，或室温孵育过夜，也可在37~C孵育1～2小时。之后，用PBS冲洗3次，每次5分钟。一抗分为多克隆抗体和单克
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