M6903 is a humanized monoclonal IgG2 antibody that specifically targets T cell immunoglobulin and mucin domain-3 (TIM-3), exhibiting a dissociation constant (K_D) of 2.3 nM for human TIM-3. This antibody effectively binds to TIM-3, inhibiting its interaction with key ligands including phosphatidylserine (PtdSer), carcinoembryonic antigen cell adhesion-related molecule 1 (CEACAM1), and galectin 9 (Gal-9). By blocking these interactions, M6903 mitigates TIM-3-mediated suppression of T cell activity, thereby activating antigen-specific T cells and enhancing anti-tumor immune responses. This antibody is particularly valuable for research focused on cancer immunology and the development of immunotherapeutic strategies.
M6903 is a humanized monoclonal IgG2 antibody that specifically targets T cell immunoglobulin and mucin domain-3 (TIM-3), exhibiting a dissociation constant (K_D) of 2.3 nM for human TIM-3. This antibody effectively binds to TIM-3, inhibiting its interaction with key ligands including phosphatidylserine (PtdSer), carcinoembryonic antigen cell adhesion-related molecule 1 (CEACAM1), and galectin 9 (Gal-9). By blocking these interactions, M6903 mitigates TIM-3-mediated suppression of T cell activity, thereby activating antigen-specific T cells and enhancing anti-tumor immune responses. This antibody is particularly valuable for research focused on cancer immunology and the development of immunotherapeutic strategies.
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Frequently Asked Questions
What are Biosimilar Antibodies?
Biosimilar antibodies are research-grade recombinant antibodies designed to closely resemble approved therapeutic antibodies in terms of amino acid sequence, structural characteristics, and biological activity. These antibodies are generated using recombinant expression technologies and retain the same variable regions as their corresponding reference therapeutics, thereby preserving target specificity and binding affinity. Owing to these properties, biosimilar antibodies serve as reliable and cost-effective research reagents for applications in drug discovery, pharmacological studies, and basic biomedical research.
Research-grade biosimilar antibodies have been successfully expressed and functionally validated against a wide range of widely studied targets. These antibodies can be directly utilized as positive control reagents in drug discovery programs, as well as reference tools for rapid verification of the biological functions of target proteins in biochemical and cellular assays.
