p16INK4a Rabbit Polyclonal Antibody
Catalog# ER2001-30
p16INK4a Rabbit Polyclonal Antibody
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WB
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IF-Cell
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FC
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Human
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Mouse
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unconjugated
Overview
Product Name
p16INK4a Rabbit Polyclonal Antibody
Antibody Type
Rabbit Polyclonal Antibody
Immunogen
Recombinant protein within human p16INK4a aa 1-156.
Species Reactivity
Human, Mouse
Validated Applications
WB, IF-Cell, FC
Molecular Weight
Predicted band size: 16 kDa
Positive Control
HeLa cell lysate, HepG2 cell lysate, HEK-293 cell lysate, NIH:OVCAR-3 cell lysate, A20 cell lysate, MEF cell lysate, HeLa, MEF.
Conjugation
unconjugated
RRID
Product Features
Form
Liquid
Concentration
Storage Instructions
Shipped at 4℃. Store at +4℃ short term (1-2 weeks). It is recommended to aliquot into single-use upon delivery. Store at -20℃ long term.
Storage Buffer
PBS (pH7.4), 0.1% BSA, 40% Glycerol. Preservative: 0.05% Sodium Azide.
Isotype
IgG
Purification Method
Protein A affinity purified.
Application Dilution
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WB
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1:5,000
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IF-Cell
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1:5,000
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FC
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1:1,000
Target
Function
p16 (also known as p16INK4a, cyclin-dependent kinase inhibitor 2A, CDKN2A, multiple tumor suppressor 1 and numerous other synonyms), is a protein that slows cell division by slowing the progression of the cell cycle from the G1 phase to the S phase, thereby acting as a tumor suppressor. It is encoded by the CDKN2A gene. A deletion (the omission of a part of the DNA sequence during replication) in this gene can result in insufficient or non-functional p16, accelerating the cell cycle and resulting in many types of cancer. p16 can be used as a biomarker to improve the histological diagnostic accuracy of grade 3 cervical intraepithelial neoplasia (CIN). p16 is also implicated in the prevention of melanoma, oropharyngeal squamous cell carcinoma, cervical cancer, vulvar cancer and esophageal cancer. p16 was discovered in 1993. It is a protein with 148 amino acids and a molecular weight of 16 kDa that comprises four ankyrin repeats. The name of p16 is derived from its molecular weight, and the alternative name p16INK4a refers to its role in inhibiting cyclin-dependent kinase CDK4.
Background References
1. Safwan-Zaiter H et al. P16INK4A-More Than a Senescence Marker. Life (Basel). 2022 Aug
2. Shi J et al. P16ink4a overexpression ameliorates cardiac remodeling of mouse following myocardial infarction via CDK4/pRb pathway. Biochem Biophys Res Commun. 2022 Mar
Subcellular Location
Cytoplasm, Nucleus.
Synonyms
ARF antibody
CDK4 inhibitor p16 INK4 antibody
CDK4I antibody
CDKN2 antibody
CDKN2A antibody
Cell cycle negative regulator beta antibody
CMM2 antibody
Cyclin dependent kinase 4 inhibitor A antibody
Cyclin dependent kinase inhibitor 2A antibody
INK4 antibody
ExpandARF antibody
CDK4 inhibitor p16 INK4 antibody
CDK4I antibody
CDKN2 antibody
CDKN2A antibody
Cell cycle negative regulator beta antibody
CMM2 antibody
Cyclin dependent kinase 4 inhibitor A antibody
Cyclin dependent kinase inhibitor 2A antibody
INK4 antibody
INK4a antibody
Melanoma p16 inhibits CDK4 antibody
MLM antibody
MTS 1 antibody
MTS1 antibody
Multiple tumor suppressor 1 antibody
p16 antibody
p16 INK4a antibody
p16INK4a antibody
p19 antibody
P19ARF antibody
TP16 antibody
CollapseImages
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Western blot analysis of p16INK4a on different lysates with Rabbit anti-p16INK4a antibody (ER2001-30) at 1/5,000 dilution.
Lane 1: HeLa cell lysate
Lane 2: HepG2 cell lysate
Lane 3: HEK-293 cell lysate
Lane 4: NIH:OVCAR-3 cell lysate
Lane 5: A20 cell lysate
Lane 6: MEF cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 16 kDa
Observed band size: 16 kDa
Exposure time: 10 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ER2001-30) at 1/5,000 dilution was used in primary antibody dilution (K1803) at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature. -
Immunocytochemistry analysis of HeLa cells labeling p16INK4a with Rabbit anti-p16INK4a antibody (ER2001-30) at 1/5,000 dilution.
Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Rabbit anti-p16INK4a antibody (ER2001-30) at 1/5,000 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (HA601187, red) was stained at 1/100 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution. -
Flow cytometric analysis of HeLa cells labeling p16INK4a.
Cells were fixed and permeabilized. Then stained with the primary antibody (ER2001-30, 1/1,000) (red) compared with Rabbit IgG Isotype Control (green). After incubation of the primary antibody at +4℃ for an hour, the cells were stained with a iFluor™ 488 conjugate-Goat anti-Rabbit IgG Secondary antibody (HA1121) at 1/1,000 dilution for 30 minutes at +4℃. Unlabelled sample was used as a control (cells without incubation with primary antibody; black). -
Flow cytometric analysis of MEF cells labeling p16INK4a.
Cells were fixed and permeabilized. Then stained with the primary antibody (ER2001-30, 1/1,000) (red) compared with Rabbit IgG Isotype Control (green). After incubation of the primary antibody at +4℃ for an hour, the cells were stained with a iFluor™ 488 conjugate-Goat anti-Rabbit IgG Secondary antibody (HA1121) at 1/1,000 dilution for 30 minutes at +4℃. Unlabelled sample was used as a control (cells without incubation with primary antibody; black).
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"
Citation
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Agarononaose from red algae delays cardiomyocyte aging by improving mitochondrial function via enhanced oxidative phosphorylation: A mitochondrial transplantation perspective
Journal: Journal Of Functional Foods
DOI: 10.1016/j.jff.2025.107131
IF: 4
Application: WB
Reactivity: Mouse
Publish date: 2026 Jan
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Mechanical Stretch Prevents Senescence-Associated Osteogenic Impairment in Mesenchymal Stem Cells via CXCR4/PI3K/AKT Signaling
Journal: FASEB Journal
DOI: 10.1096/fj.202500239R
IF: 4.2
Application: WB
Reactivity: Mouse
Publish date: 2025 Oct
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Lycium barbarum berry extract improves female fertility against aging-related oxidative stress in the ovary
Journal: Food & Function
DOI: 10.1039/D4FO02720E
IF: 5.1
Application: IHC-P
Reactivity: Mouse
Publish date: 2024 Sept
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Identification and functional characterization of differentially expressed circRNAs in high glucose treated endothelial cells: Construction of circRNA-miRNA-mRNA network
Journal: Heliyon
DOI:
IF: 3.4
Application: WB
Reactivity: Human
Publish date: 2024 Aug
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Antitumor effect of toosendanin on oral squamous cell carcinoma via suppression of p-STAT3
Journal: BMC Oral Health
DOI:
IF: 2.9
Application: IHC-P
Reactivity: Mouse
Publish date: 2023 Nov
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FFAR4 improves the senescence of tubular epithelial cells by AMPK/SirT3 signaling in acute kidney injury
Journal: Signal Transduction And Targeted Therapy
DOI:
IF: 38.104
Application: WB
Reactivity: Mouse
Publish date: 2022 Nov
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