Purified Cynomolgus Monkey CD3 Pan T Cells

Purified Cynomolgus Monkey CD3 Pan T Cells

$850.00$1,500.00

  • CD3 Pan T cells purified from cynomolgus macaque PBMCs by negative selection
  • Used for a wide variety of safety assessment and functional assays
  • Carefully cryopreserved to ensure high viability upon thawing
  • All orders come with an iQ Certificate of Analysis
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Description

About the Cynomolgus Macaque Monkey

The cynomolgus macaque is the most commonly used non-human primate used in biomedical research.  According to some researchers, these monkeys are ideal models due to the 90-93% genetic similarity to and recent evolutionary divergence from humans.  They are employed in numerous research areas, such as immunology, neuroscience, oncology, diabetes, and pharmacology due to their genetics and physiology, which is why Cyno CD3 Pan T cells are often used.

Cyno CD3 Pan T Cells

Cynomolgus monkey CD3 pan T cells (or simply Cyno CD3 pan T cells) consist of both CD4 and CD8 T cells, and make up approximately 52-80% of PBMCs in a typical adult monkey.  All T cells carry the CD3 protein marker and the T cell receptor (TCR), which recognizes foreign antigens presented by major histocompatibility complex molecules on antigen presenting cells to activate them.

T cells develop in the thymus to become mature CD4 or CD8 T cells and exit the thymus to reside and encounter foreign pathogens in lymphoid tissues.

When activated, CD4 T cells will become T helper subsets to secrete cytokines to boost either the humoral or cell-mediated immune response. In contrast, CD8 T cells, when stimulated, will become cytotoxic T cells that can lyse infected or transformed cells.  Together, these two main subsets work to clear infections or diseased cells.

Cyno CD3 Pan T Cell Application Summary

Purified cynomolgus T cells (or simply Cyno CD3 pan T cells) are a good source of cells to study the biology of T cells and their role in the immune system. T cells are responsible for producing cytokines and performing cytotoxicity.  Thus, pan T cells can be used for a variety of stimulation-dependent functional experiments to assess cytokine production, proliferation, and cytotoxicity.

With the current trend toward development of immuno-modulatory drugs, purified cynomolgus pan T cells are an ideal source of cells to test T cell response in the presence of therapeutic molecules.  More importantly, cynomolgus T cells can be used to assess toxicity and safety characteristics of these biologics in the presence of T cell activation before first in-human trials.  These cells are commonly employed in pre-clinical settings to ensure biologics are not eliciting unwanted functions, such as cytokine release and toxicity, specifically from T cells.

The negative isolation of pan T cells leaves them untouched without any antibody binding to cell surface markers that may influence function. This method leaves all cell surface proteins eligible to be bound to antibodies or other molecules for functional or population characterization studies.

Cyno CD3 Pan T Cell Purification

Collection of samples

Cynomolgus PBMCs were sourced from a responsible third party vendor that operate according to local regulations and laws.

Negative Isolation of Cyno CD3 Pan T cells

To purify cyno CD3 pan T cells, PBMCs were incubated with antibodies against B cells, NK cells, dendritic cells, monocytes, granulocytes, and erythrocytes, and subsequently run through a magnetic column. Cells labeled with the antibodies were bound to the column, while unlabeled cells, the CD3 T cells, passed through.

Purity

A small aliquot of Cyno CD3 pan T cells was tested for post-sort purity by flow cytometry analysis. Purity of pan-T cells, as defined by CD3 expression, was > 97% (Figure 1).

Cyno CD3 Pan T Cells Before and After Purification

Figure 1. Purity of Cyno CD3 Pan T cells after selection by negative isolation using magnetic column separation from PBMCs.  In this representation, cynomolgus PBMCs were incubated with antibodies against B cells, NK cells, dendritic cells, monocytes, granulocytes, and erythrocytes and passed through a magnetic column to obtain pan-T cells by negative selection.  A small aliquot was taken after selection to evaluate post-sort purity (right).  Percent of CD3+ cells in PBMCs is also shown (left).

Cryopreservation and storage

Purified CD3 pan T cells were cryopreserved carefully using iQ Biosciences’ cryopreservation protocol that ensures high viability after thawing.

Cells should be stored at <-120 °C once they are received, such as within a liquid nitrogen tank (vapor phase).

Additional information

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Please let us know in the notes section during checkout if you are interested in animal donor-matched PBMCs, as we carry these in stock.

If you would like to request multiple animal donors or the same animal donor, please specify this in the notes section as well.

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