Human p21/CIP1/CDKN1A Alexa Fluor® 647-conjugated Antibody Summary
Accession # P38936
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of p21/Cip1/CDKN1A in MCF‑7 Human Cell Line by Flow Cytometry. MCF-7 human breast cancer cell line either treated with 1 µM camptothecin (CPT) for 16 hours (filled histogram) or untreated (open histogram) was stained with Alexa Fluor® 647-conjugated Mouse Anti-Human p21/CIP1/CDKN1A Monoclonal Antibody (Catalog # IC1047R). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.
Preparation and Storage
- 12 months from date of receipt, 2 to 8 °C as supplied.
p21CIP1, also called CIP1 (CDK-interacting protein 1) and CDKN1A, is a 21 kDa Cyclin/Cyclin-dependent kinase (Cdk) inhibitor that blocks cell cycle progression from G1 to S phase in the cell cycle. Because p21 is a transcriptional target of the p53 tumor suppressor, p21 expression increases in cells that contain stabilized p53 due to genotoxic stress exposure.
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