$235.00 - $8,140.00

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  • 100 mg - $8,140.00
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  • 25 mg - $3,182.00
  • 5 mg - $911.00
  • 1 mg - $235.00
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Product Description

This biosimilar antibody uses the same variable regions as the therapeutic antibody Sabatolimab, making it ideal for research use. Sabatolimab is a humanized IgG4 monoclonal antibody that reacts with human TIM-3 (T cell immunoglobulin and mucin domain-3), also known as CD366. TIM-3 is a 60 kDa member of the TIM family of immune checkpoint receptors and exists as a type I transmembrane glycoprotein with a mucin-like domain in its extracellular portion and a tyrosine phosphorylation motif in its cytoplasmic portion. TIM-3 is specifically expressed at high levels on the surface of Th1 lymphocytes whereas Th2 lymphocytes express TIM-1 and TIM-2. TIM-3 activation occurs via binding to the cell-associated C-type lectin galectin-9. Upon binding TIM-3 induces apoptosis of Th1 cells. Inhibition of TIM-3 signaling in mice has been shown to exacerbate experimental autoimmune encephalomyelitis, promote IFNγ production and Th1 cell proliferation. Tim-3 has also been shown to be required for the induction of tolerance, as both TIM-3 knockout animals and mice treated with TIM-3-Ig fusion protein display defects in the induction of antigen-specific tolerance. Additionally, TIM-3 signaling is currently being explored as a cancer immunotherapy target as CD8 T cells which express both TIM-3 and PD-1 exhibit greater defects in both cell-cycle progression and effector cytokine production than cells that express PD-1 alone. Sabatolimab binds to TIM-3 with subnanomolar affinity, blocks its interaction with its ligand, phosphatidylserine (PtdSer), and partially blocks the interaction of TIM-3 with Galectin-9.

Specifications

Isotype Human IgG4, κ
Recommended Isotype Control(s) RecombiMAb human IgG4 (S228P) isotype control, anti-hen egg lysozyme
Recommended Dilution Buffer InVivoPure pH 7.0 Dilution Buffer
Conjugation This product is unconjugated. Conjugation is available via our Antibody Conjugation Services.
Mutations S228P
Immunogen Human TIM-3
Reported Applications Functional assays
ELISA
Flow cytometry
Formulation PBS, pH 7.0
Contains no stabilizers or preservatives
Endotoxin ≤0.5EU/mg (≤0.0005EU/μg)
Determined by LAL gel clotting assay
Purity ≥95%
Determined by SDS-PAGE
Sterility 0.2 µm filtration
Production Purified from cell culture supernatant in an animal-free facility
Purification Protein A
Molecular Weight 150 kDa
Storage The antibody solution should be stored at the stock concentration at 4°C. Do not freeze.
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