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Tissue, cells or virus corresponding to Human PD1. Specifically, human YT cells (NK-like leukemia cell line) that express PD1.
Database link: Q15116
Western blot protocol advice:
Due to low expression of PD-1, we recommend loading a high amount of sample (100 µg) to detect the band for PD-1. Human tonsil and YT cell line lysates are suitable positive controls.
This antibody clone [NAT105] is manufactured by Abcam.
We have the following conjugates available:
Our Abpromise guarantee covers the use of ab52587 in the following tested applications.
|WB||1/50. Predicted molecular weight: 32 kDa.|
|Flow Cyt||Use at an assay dependent concentration.
|IHC-Fr||Use at an assay dependent concentration.|
|ICC/IF||Use a concentration of 5 - 10 µg/ml.|
|IP||Use at an assay dependent concentration.|
|IHC-P||1/50. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
IHC image of PD1 staining in normal human tonsil formalin fixed paraffin embedded tissue section*, performed on a Leica Bond™ system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab52587 at 5 µg/ml for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
MOLT4 cells stained for PD-1 (colored green) using ab52587 in ICC/IF. Cells were fixed with 100% methanol (5 min) at room temperature and incubated with PBS containing 10% goat serum, 0.3 M glycine, 1% BSA and 0.1% Tween-20 for 1 hour at room temperature to permeabilize the cells and block non-specific protein-protein interactions. The cells were then incubated with the PD-1 antibody ab52587 at 10 µg/ml and ab6046 (Rabbit polyclonal to beta Tubulin - Loading Control) at 1 ug/ml overnight at +4°C. The secondary antibodies used were Goat Anti-Mouse IgG H&L (Alexa Fluor® 488) (ab150117) secondary antibody used at 1 ug/ml (colored green) and Goat Anti-Rabbit IgG H&L (Alexa Fluor® 594) (ab150080) secondary antibody (pseudo-colored red) used at 2 ug/ml for 1 hour at room temperature. DAPI was used to stain the cell nuclei (colored blue) at a concentration of 1.43 µM for 1 hour at room temperature.
Formaldehyde-fixed, paraffin-embedded Xhuman follicular lymphoma tissue stained for PD1 with ab52587 at 1/100 dilution in immunohistochemical analysis.
This image is courtesy of an anonymous collaborator.
Immunohistochemical analysis of frozen Human liver tissue labeling PD1 with ab52587 at 1/50 dilution.