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Key Product Details
Validated by
Biological Validation
Species Reactivity
Validated:
Human
Cited:
Human
Applications
Validated:
Immunohistochemistry, Western Blot, Intracellular Staining by Flow Cytometry, Immunocytochemistry, Simple Western, Immunoprecipitation, CyTOF-ready
Cited:
Western Blot, Immunocytochemistry
Label
Unconjugated
Antibody Source
Polyclonal Goat IgG
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Product Specifications
Immunogen
E. coli-derived recombinant human p21
Ser2-Pro164
Accession # P38936
Ser2-Pro164
Accession # P38936
Specificity
Detects human p21 in Western blots.
Clonality
Polyclonal
Host
Goat
Isotype
IgG
Scientific Data Images for Human p21/CIP1/CDKN1A Antibody
Detection of Human p21/CIP1/CDKN1A by Western Blot.
Western blot shows lysates of MCF-7 human breast cancer cell line untreated (-) or treated (+) with 1 µM camptothecin (CPT) for 16 hours. PVDF membrane was probed with 0.5 µg/mL of Goat Anti-Human p21/CIP1/CDKN1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1047), followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for p21/CIP1/CDKN1A at approximately 21 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
p21/CIP1/CDKN1A in MCF‑7 Human Cell Line.
p21/CIP1/CDKN1A was detected in immersion fixed MCF-7 human breast cancer cell line treated with (left panel) or without (right panel) camptothecin using Goat Anti-Human p21/CIP1/CDKN1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1047) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
p21/CIP1/CDKN1A in Human Breast Cancer Tissue.
p21/CIP1/CDKN1A was detected in immersion fixed paraffin-embedded sections of human breast cancer tissue using 1.7 µg/mL Goat Anti-Human p21/CIP1/CDKN1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1047) overnight at 4 °C. Tissue was stained with the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of p21/CIP1/CDKN1A in MCF‑7 Human Cell Line by Flow Cytometry.
MCF-7 human breast cancer cell line was unstimulated (light orange filled histogram) or treated with 1 µM camphtothecin for 16 hours, then stained with Goat Anti-Human p21/CIP1/CDKN1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1047, dark orange filled histogram) or isotype control antibody (Catalog # AB-108-C, open histogram), followed by Allophycocyanin-conjugated Anti-Goat IgG Secondary Antibody (Catalog # F0108). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with methanol.
Detection of Human p21/CIP1/CDKN1A by Simple WesternTM.
Simple Western lane view shows lysates of MCF-7 human breast cancer cell line untreated (-) or treated (+) with 1 µM Camptothecin (CPT) for 16 hours, loaded at 0.2 mg/mL. A specific band was detected for p21/CIP1/CDKN1A at approximately 30 kDa (as indicated) using 5 µg/mL of Goat Anti-Human p21/CIP1/CDKN1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1047) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.
Detection of p21/CIP1/CDKN1A by Western Blot
Effect of the single agent and combination compound using RAPTA-T and olaparib on protein expression. (A) Whole-cell proteins were prepared from the cells treated with IC50 of the compound for 24 h. Cellular protein extracts were separated on a 6%, 8% and 12% SDS-PAGE gel, transferred onto nitrocellulose membrane, and immunoblotted with the primary antibodies. The protein loading of each sample was controlled by beta -actin expression. (B) The percentage of relative expression of protein was shown for each cell line. Experiments were performed in duplicate. Statistically significant differences from the untreated control are indicated by * p < 0.05. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/41226649), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for Human p21/CIP1/CDKN1A Antibody
Application
Recommended Usage
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
Immunocytochemistry
5-15 µg/mL
Sample: Immersion fixed MCF-7 human breast cancer cell line treated with Camptothecin
Sample: Immersion fixed MCF-7 human breast cancer cell line treated with Camptothecin
Immunohistochemistry
5-15 µg/mL
Sample: Immersion fixed paraffin-embedded sections of human breast cancer tissue
Sample: Immersion fixed paraffin-embedded sections of human breast cancer tissue
Immunoprecipitation
1-2 µg/500 µg cell lysate
Sample: MCF‑7 human breast cancer cell line, see our available Western blot detection antibodies
Sample: MCF‑7 human breast cancer cell line, see our available Western blot detection antibodies
Intracellular Staining by Flow Cytometry
0.25 µg/106 cells
Sample: MCF‑7 human breast cancer cell line fixed with paraformaldehyde and permeabilized with methanol
Sample: MCF‑7 human breast cancer cell line fixed with paraformaldehyde and permeabilized with methanol
Simple Western
5 µg/mL
Sample: MCF‑7 human breast cancer cell line treated with Camptothecin (CPT)
Sample: MCF‑7 human breast cancer cell line treated with Camptothecin (CPT)
Western Blot
0.5 µg/mL
Sample: Camptothecin-treated MCF‑7 human breast cancer cell line
Sample: Camptothecin-treated MCF‑7 human breast cancer cell line
Reviewed Applications
Read 4 reviews rated 4.3 using AF1047 in the following applications:
Flow Cytometry Panel Builder
Bio-Techne Knows Flow Cytometry
Save time and reduce costly mistakes by quickly finding compatible reagents using the Panel Builder Tool.
Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: p21/CIP1/CDKN1A
Long Name
p21 Cyclin Dependent Kinase 4 Inhibitor 1A
Alternate Names
CDKN1A, CIP1
Gene Symbol
CDKN1A
UniProt
Additional p21/CIP1/CDKN1A Products
Product Documents for Human p21/CIP1/CDKN1A Antibody
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human p21/CIP1/CDKN1A Antibody
For research use only
Related Research Areas
Citations for Human p21/CIP1/CDKN1A Antibody
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Customer Reviews for Human p21/CIP1/CDKN1A Antibody (4)
4.3 out of 5
4 Customer Ratings
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Application: Western BlotSample Tested: Prostate cancerSpecies: HumanVerified Customer | Posted 01/25/2018
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Application: Western BlotSample Tested: MDA-MB-231 human breast cancer cell lineSpecies: HumanVerified Customer | Posted 01/17/2018
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Application: ImmunohistochemistrySample Tested: Adult lungSpecies: HumanVerified Customer | Posted 11/04/2016
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Application: Immunocytochemistry/ImmunofluorescenceSample Tested: Adult lungSpecies: HumanVerified Customer | Posted 10/18/2016
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- 7-Amino Actinomycin D (7-AAD) Cell Viability Flow Cytometry Protocol
- Antigen Retrieval Protocol (PIER)
- Antigen Retrieval for Frozen Sections Protocol
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- Chromogenic IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Chromogenic Immunohistochemistry Staining of Frozen Tissue
- ClariTSA™ Fluorophore Kits
- Detection & Visualization of Antibody Binding
- Extracellular Membrane Flow Cytometry Protocol
- Flow Cytometry Protocol for Cell Surface Markers
- Flow Cytometry Protocol for Staining Membrane Associated Proteins
- Flow Cytometry Staining Protocols
- Flow Cytometry Troubleshooting Guide
- Fluorescent IHC Staining of Frozen Tissue Protocol
- Graphic Protocol for Heat-induced Epitope Retrieval
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Graphic Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- ICC Cell Smear Protocol for Suspension Cells
- ICC Immunocytochemistry Protocol Videos
- ICC for Adherent Cells
- IHC Sample Preparation (Frozen sections vs Paraffin)
- Immunocytochemistry (ICC) Protocol
- Immunocytochemistry Troubleshooting
- Immunofluorescence of Organoids Embedded in Cultrex Basement Membrane Extract
- Immunofluorescent IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Immunohistochemistry Frozen Troubleshooting
- Immunohistochemistry Paraffin Troubleshooting
- Immunoprecipitation Protocol
- Intracellular Flow Cytometry Protocol Using Alcohol (Methanol)
- Intracellular Flow Cytometry Protocol Using Detergents
- Intracellular Nuclear Staining Flow Cytometry Protocol Using Detergents
- Intracellular Staining Flow Cytometry Protocol Using Alcohol Permeabilization
- Intracellular Staining Flow Cytometry Protocol Using Detergents to Permeabilize Cells
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Propidium Iodide Cell Viability Flow Cytometry Protocol
- Protocol for Heat-Induced Epitope Retrieval (HIER)
- Protocol for Liperfluo
- Protocol for Making a 4% Formaldehyde Solution in PBS
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Characterization of Human Th22 Cells
- Protocol for the Characterization of Human Th9 Cells
- Protocol for the Fluorescent ICC Staining of Cell Smears - Graphic
- Protocol for the Fluorescent ICC Staining of Cultured Cells on Coverslips - Graphic
- Protocol for the Preparation & Fixation of Cells on Coverslips
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections - Graphic
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections - Graphic
- Protocol for the Preparation and Fluorescent ICC Staining of Cells on Coverslips
- Protocol for the Preparation and Fluorescent ICC Staining of Non-adherent Cells
- Protocol for the Preparation and Fluorescent ICC Staining of Stem Cells on Coverslips
- Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- Protocol for the Preparation of a Cell Smear for Non-adherent Cell ICC - Graphic
- Protocol: Annexin V and PI Staining by Flow Cytometry
- Protocol: Annexin V and PI Staining for Apoptosis by Flow Cytometry
- R&D Systems Quality Control Western Blot Protocol
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Fluorokine Flow Cytometry Kits
- Troubleshooting Guide: Immunohistochemistry
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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Associated Pathways
