p27/Kip1 was detected in immersion fixed paraffin-embedded sections of human prostate cancer tissue using 25 µg/mL Rat Anti-Human/Mouse/Rat p27/Kip1 Monoclonal Antibody (Catalog # MAB22561) overnight at 4 °C. Tissue was stained with the Human p27 Immunohistochemistry Detection Kit (brown; Catalog # CTS2256) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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.
The cyclin-dependent kinase (cdk) inhibitor p27/Kip1 is a tumor suppressor protein that acts in the nucleus to enforce cell cycle checkpoints. p27/Kip1 binds to and inhibits many cyclin/cdk complexes, including cyclin D/cdk4, cyclin E/cdk2, and cyclin A/cdk2. This inhibition can subsequently block progression through different phases of the cell cycle. Human p27/Kip1 shares 88% and 87% amino acid sequence identity with mouse and rat p27/Kip1, respectively, while mouse and rat p27/Kip1 share 96% amino acid sequence identity.
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