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Lirentelimab (AK002) is a humanized anti-sialic acid-binding immunoglobulin-like lectin-8 (Siglec-8) antibody that induces apoptosis of IL-5-activated eosinophils and inhibits IL-5-mediated mast cell activation, and is used in the study of refractory inert systemic mastocytosis and allergic conjunctivitis.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
1 mg | $197 | In Stock | |
5 mg | $516 | In Stock | |
10 mg | $828 | In Stock | |
25 mg | $1,230 | In Stock | |
50 mg | $1,650 | In Stock |
Description | Lirentelimab (AK002) is a humanized anti-sialic acid-binding immunoglobulin-like lectin-8 (Siglec-8) antibody that induces apoptosis of IL-5-activated eosinophils and inhibits IL-5-mediated mast cell activation, and is used in the study of refractory inert systemic mastocytosis and allergic conjunctivitis. |
Targets&IC50 | SIGLEC8:464 pM (affinity) |
In vitro | The antigen-binding fragment of Lirentelimab binds with an affinity of 464 pM to the extracellular structural domain of recombinant SIGLEC8. Lirentelimab exhibits a high affinity for in vitro-expressed SIGLEC8 as well as SIGLEC8 expressed on eosinophils and via the Fc region on NK cells. At a concentration of 1 µg/mL, Lirentelimab selectively binds to eosinophils in human peripheral blood as well as eosinophils and mast cells in human lung tissue. In addition, Lirentelimab induced apoptosis in IL-5-activated eosinophils when acted at concentrations ranging from 0.0001 to 100 μg/mL for 30 minutes. In peripheral blood leukocyte samples from healthy donors, Lirentelimab had a half-maximal effect concentration of 1.9 ng/mL on eosinophils and elicited an antibody-dependent cytotoxic response.Lirentelimab also reduced the number of eosinophils in isolated human tissues. [1] |
In vivo | Lirentelimab significantly inhibited IgE-mediated mast cell activation after a single intravenous injection at a dose of 100 μg in a mouse model of systemic allergic reaction. [1] |
Alias | Antolimab, Anti-Siglec-8 Reference Antibody, AK002, AK 002 |
Cas No. | 2283348-97-8 |
Storage | store at low temperature | store at -20°C | Shipping with blue ice. |
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