Abcam, ab252192, PD1 Antibody Panel (EPR4877(2), SP269, CAL20, NAT105, NAT105-EPR21106)

Size: 1Kit
PD1 Antibody Panel (EPR4877(2), SP269, CAL20, NAT105, NAT105-EPR21106) (ab252192) is part of the multiplex kits range. Abcam offers high-quality biological reagents and tools including antibodies, proteins, assays, cell lines and lysates.
Key facts
Reacts with:Human

Product details:
PD1 Antibody Panel ab252192 contains multiple trial-sized versions of anti-human antibody clones against PD1, specifically selected for high performance in IHC. This panel contains 5 recombinant rabbit and mouse monoclonal antibodies against human PD1. They are provided in trial sizes to allow you to easily evaluate which is the best PD1 antibody for your IHC research assay needs.
For guidelines on how to use each antibody within the panel, please consult the individual datasheet for each antibody.
Panel contains:
- Rabbit monoclonal [CAL20] to PD1 (20 μL)
ab237728
- Rabbit monoclonal [EPR4877(2)] to PD1 (20 μL)
ab137132
- Mouse monoclonal [NAT105] to PD1 (20 μL)
ab52587
- Rabbit monoclonal [NAT105-EPR21106] to PD1 - Chimeric (20 μL)
ab216352
- Rabbit monoclonal [SP269] to PD1 (20 μL)
ab227681
Explore our range of antibody sample panels designed to provide you with a variety of trial-size antibodies in a convenient and cost-effective format.
Carrier-free formulations of our recombinant antibodies are also available for easy conjugation to labels of your choice and for multiplex applications. Use our intuitive search and select carrier-free or your label of choice. For bespoke conjugations or large volumes email bespoke@abcam.com.
Patented technology
Our RabMAb
technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to
RabMAb® patents

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-+4°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
PD1 also known as Programmed Cell Death Protein 1 or PDCD1 is a transmembrane protein that plays a critical role in regulating immune responses. It has a mass of approximately 55 kDa. PD1 is expressed on the surface of T cells B cells and some myeloid cells. PD1’s expression increases upon activation of these immune cells assisting in maintaining peripheral tolerance. Researchers often use PD1 mouse models and chimeric antibodies to explore the function of PD1 for experimental purposes. Antibodies such as anti-PD1 such as EH12.2H7 help in blocking PD1 interaction to study its role further.
Biological function summary
PD1 serves as an inhibitory receptor acting as a checkpoint in the immune system. It becomes part of an immune-suppressive complex when it binds with its ligands PD-L1 or PD-L2 which are expressed on various cell types including some tumor cells. This interaction suppresses the proliferation of T cells and cytokine production contributing to immune homeostasis. By controlling T cell activity PD1 limits autoimmunity but can also reduce the immune system's capability to attack cancer cells.
Pathways
PD1 functions in the immune checkpoint pathway a critical regulatory circuit in immune regulation. The engagement of PD1 with its ligands initiates a cascade that inhibits the function and proliferation of T cells through downstream SHP-2 phosphatase activity. This pathway frequently involves other regulatory proteins like CTLA-4 and is an important mechanism by which the body modulates immune responses. Related pathways often intersect with those involving T cell receptor signaling and contribute to the overall modulation of immune activity.
PD1 has a significant role in cancer and autoimmune disorders. PD1 expression can allow tumors to evade immune surveillance making PD1 a target for cancer therapies such as anti-PD1 antibodies which aim to block PD1 and restore T cell activity. The interaction of PD1 with cancer-related proteins like PD-L1 facilitates tumor immune evasion. In autoimmune disorders PD1’s regulation of immune balance can become dysregulated leading to persistent immune activation and tissue damage. Understanding PD1 and its interaction with proteins such as PD-L1 helps in developing therapeutic strategies for both cancer and autoimmune conditions.