产品: CDKN2A/p16INK4a 抗体
货号: AF5484
描述: Rabbit polyclonal antibody to CDKN2A/p16INK4a
应用: WB IF/ICC
反应: Human, Mouse
预测: Pig, Bovine, Horse, Rabbit
分子量: 16 kDa; 17kD(Calculated).
蛋白号: P42771
RRID: AB_2837964

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产品描述

来源:
Rabbit
应用:
WB 1:500-1:2000, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human,Mouse
预测:
Pig(85%), Bovine(82%), Horse(85%), Rabbit(100%)
克隆:
Polyclonal
特异性:
CDKN2A/p16INK4a Antibody detects endogenous levels of total CDKN2A/p16INK4a.
RRID:
AB_2837964
引用格式: Affinity Biosciences Cat# AF5484, RRID:AB_2837964.
偶联:
Unconjugated.
纯化:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

Cyclin-dependent kinase inhibitor 2A;Cyclin-dependent kinase 4 inhibitor A;CDK4I;Multiple tumor suppressor 1;MTS-1;p16-INK4a;p16-INK4;p16INK4A;CDKN2A;CDKN2;MTS1;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
P42771 CDN2A_HUMAN:

Widely expressed but not detected in brain or skeletal muscle. Isoform 3 is pancreas-specific.

描述:
Acts as a negative regulator of the proliferation of normal cells by interacting strongly with CDK4 and CDK6. This inhibits their ability to interact with cyclins D and to phosphorylate the retinoblastoma protein.
序列:
MEPAAGSSMEPSADWLATAAARGRVEEVRALLEAGALPNAPNSYGRRPIQVMMMGSARVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVRDAWGRLPVDLAEELGHRDVARYLRAAAGGTRGSNHARIDAAEGPSDIPD

种属预测

种属预测:

score>80的预测可信度较高,可尝试用于WB检测。*预测模型主要基于免疫原序列比对,结果仅作参考,不作为质保凭据。

Species
Results
Score
Rabbit
100
Pig
85
Horse
85
Bovine
82
Sheep
0
Dog
0
Xenopus
0
Zebrafish
0
Chicken
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - P42771 作为底物

Site PTM Type Enzyme
M1 Acetylation
S7 Phosphorylation Q13535 (ATR)
S8 Phosphorylation O14920 (IKBKB) , Q13535 (ATR)
Y44 Phosphorylation
R99 Methylation
R131 Methylation
R138 Methylation
S140 Phosphorylation Q13535 (ATR)
S152 Phosphorylation Q13535 (ATR)

研究背景

功能:

Acts as a negative regulator of the proliferation of normal cells by interacting strongly with CDK4 and CDK6. This inhibits their ability to interact with cyclins D and to phosphorylate the retinoblastoma protein.

翻译修饰:

Phosphorylation seems to increase interaction with CDK4.

细胞定位:

Cytoplasm. Nucleus.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Widely expressed but not detected in brain or skeletal muscle. Isoform 3 is pancreas-specific.

亚基结构:

Heterodimer with CDK4 or CDK6. Predominant p16 complexes contained CDK6. Interacts with CDK4 (both 'T-172'-phosphorylated and non-phosphorylated forms); the interaction inhibits cyclin D-CDK4 kinase activity. Interacts with ISCO2.

蛋白家族:

Belongs to the CDKN2 cyclin-dependent kinase inhibitor family.

研究领域

· Cellular Processes > Cell growth and death > Cell cycle.   (View pathway)

· Cellular Processes > Cell growth and death > p53 signaling pathway.   (View pathway)

· Cellular Processes > Cell growth and death > Cellular senescence.   (View pathway)

· Human Diseases > Drug resistance: Antineoplastic > Endocrine resistance.

· Human Diseases > Drug resistance: Antineoplastic > Platinum drug resistance.

· Human Diseases > Infectious diseases: Viral > HTLV-I infection.

· Human Diseases > Cancers: Overview > Pathways in cancer.   (View pathway)

· Human Diseases > Cancers: Overview > Viral carcinogenesis.

· Human Diseases > Cancers: Overview > MicroRNAs in cancer.

· Human Diseases > Cancers: Specific types > Pancreatic cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Glioma.   (View pathway)

· Human Diseases > Cancers: Specific types > Melanoma.   (View pathway)

· Human Diseases > Cancers: Specific types > Bladder cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Chronic myeloid leukemia.   (View pathway)

· Human Diseases > Cancers: Specific types > Non-small cell lung cancer.   (View pathway)

· Human Diseases > Cancers: Specific types > Hepatocellular carcinoma.   (View pathway)

文献引用

1). Sirt3-mediated mitophagy regulates AGEs-induced BMSCs senescence and senile osteoporosis. Redox Biology, 2021 (PubMed: 33662874) [IF=11.4]

Application: WB    Species: mice    Sample: bone marrow mesenchymal stem (BMSCs)

Fig. 1. Effects of AGEs in different concentrations on the senescence of BMSCs. The BMSCs were treated with AGEs (50–200 μg/mL) or BSA for 24–72 h. (A) SA-β-gal assay for detection of BMSCs senescence. Scale bar: 100 μm. (B) Detection of H3K9me3 by immunofluorescence in BMSCs. Scale bar: 100 μm. (C) Detection of γ-H2AX by immunofluorescence in BMSCs. Scale bar: 100 μm. (D–I) Representative Western blotting assay and quantitation of the level of P16, P21, P53. **p < 0.01 versus BSA.

2). Heme oxygenase-1 prevents heart against myocardial infarction by attenuating ischemic injury-induced cardiomyocytes senescence. EBioMedicine, 2019 (PubMed: 30527623) [IF=11.1]

3). VDR activation attenuates osteoblastic ferroptosis and senescence by stimulating the Nrf2/GPX4 pathway in age-related osteoporosis. Free Radical Biology and Medicine, 2022 (PubMed: 36402439) [IF=7.4]

4). Oxygen–Glucose Deprivation Promoted Fibroblast Senescence and Collagen Expression via IL11. International Journal of Molecular Sciences, 2022 (PubMed: 36292942) [IF=5.6]

5). Injectable Hydrogel-Encapsulating Pickering Emulsion for Overcoming Lenvatinib-Resistant Hepatocellular Carcinoma via Cuproptosis Induction and Stemness Inhibition. Polymers, 2024 [IF=4.7]

Application: WB    Species: Human    Sample: HCC cell

Figure 3. DSF@CuO induced the upregulation of ROS, LPO, and severe mitochondria damage, resulting in cuproptosis. (A) The impact of different treatment groups on copper ion transport. (B,C) FCM was used to analyze the expression of JC-1 in different treatment groups. (D,E) Flow cytometry was used to analyze the expression of LPO in different treatment groups. (F) Fluorescence microscopy is used to detect changes in ROS and JC-1 probe levels in different treatment groups. (G,H) WB was used to verify the protein expression of cuproptosis across different treatment groups. (I) Representative Bio-TEM images of WT-Huh7 cells and LenR HCC cells before and after treatment with DSF@CuO. (G1: corn oil, G2: DSF, G3: CuO NPs, G4: Len@CuO, and G5: DSF@CuO). Data are presented as mean ± SD and are representative of three independent experiments. ** p < 0.01, *** p < 0.001.

6). The downregulation of miR-509-3p expression by collagen type XI alpha 1-regulated hypermethylation facilitates cancer progression and chemoresistance via the DNA methyltransferase 1/Small ubiquitin-like modifier-3 axis in ovarian cancer cells. Journal of ovarian research, 2023 (PubMed: 37386587) [IF=4.0]

Application: WB    Species: Human    Sample: OVCAR-3 cells

Fig. 4 Downregulation of miR-509-3p transcription by COL11A1 increases DNMT1 stability. A The mRNA expression levels of COL11A1 and miR-509-3p in A2780CP70 and OVCAR-8 cells transfected with miR-509-3p mimics and in A2780 and OVCAR-3 cells transfected with the miR-509-3p inhibitor were evaluated using real-time RT-PCR. All experiments were performed in triplicate. B Upper panel: mRNA expression levels of miR-509-3p and COL11A1 in A2780CP70 and OVCAR-8 cells transfected with COL11A1 shRNA were evaluated using real-time RT-PCR. All experiments were performed in triplicate. * P 

7). An EMT-related genes signature as a prognostic biomarker for patients with endometrial cancer. BMC Cancer, 2023 (PubMed: 37723477) [IF=3.8]

8). Resveratrol promotes oxidative stress to drive DLC1 mediated cellular senescence in cancer cells. EXPERIMENTAL CELL RESEARCH, 2018 (PubMed: 29964052) [IF=3.7]

9). Targeting Cartilage miR-195/497 Cluster for Osteoarthritis Treatment Regulates the Circadian Clock. Gerontology, 2024 (PubMed: 37827130) [IF=3.5]

10). Prognostic value of p16, p53, and pcna in sarcoma and an evaluation of immune infiltration. Journal of Orthopaedic Surgery and Research, 2022 (PubMed: 35689249) [IF=2.6]

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