Perhaps the Best Clone for Staining PD1

Pathology
Brigham and Women's Hospital
Postdoctoral Fellow

Overall

Quality of Results

Ease-of-Optimization

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Company:

eBioscience

Product Name:

PE Cy7 anti-mouse PD-1 antibody

Catalog Number:

25-9985-80

Info: View Product View Product Specs

Browse Similar Products: PD-1 Antibodies

PD1 (Programmed Death receptor 1) is expressed on chronically activated and exhausted T cells. Hence, it is only expressed during tumors or chronic infections on T cells. I wanted to measure PD-1 expression in tumor infiltrating T cells. The antibody showed very bright expression, only in tumor infiltrating T cells but not in the spleen. The PD1 expression also correlated with tumor size and growth which is suggested by existing literature.

Experimental Design and Results Summary

Applications

Flow Cytometry

Sample

Tumor infiltrating lymphocytes

Primary Incubation

1:200 in PBS for 30 minutes

Blocking Agent

FcR block

Secondary Incubation

NA

Tertiary Incubation

NA

Detection

Flow Cytometry - PECy7 channel

Results Summary

Bright expression of PD1 was observed on in tumor infiltrating CD8 T cells, but not in spleen. Thus, the antibody is highly specific and staining by fluorophore is quite bright.

Additional Notes

None

Related Categories

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Summary

The Good

Bright stain and easy to use

The Bad

None

The Bottom Line

Great antibody for measuring PD1 expression.

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