| Code | CSB-RA850914MB1HU |
| Size | US$9799 |
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This recombinant monoclonal antibody is developed as a research-grade biosimilar to BND-35, specifically targeting LILRB4 (Leukocyte Immunoglobulin-Like Receptor B4), also known as ILT3 or CD85k. LILRB4 is an inhibitory receptor predominantly expressed on myeloid cells, including monocytes, macrophages, and dendritic cells, where it functions as a negative regulator of immune responses by delivering inhibitory signals upon ligand binding. This receptor plays a critical role in immune tolerance and has been implicated in various pathological conditions, particularly in acute myeloid leukemia (AML) where it is frequently overexpressed on leukemic cells and contributes to immune evasion. LILRB4 expression is also associated with tumor-associated macrophages in solid tumors, making it a relevant target for cancer immunology research.
BND-35 is a clinical-stage bispecific antibody that targets LILRB4 and CD3. BND-35 simultaneously binds to CD3 on the surface of T cells and LILRB4 on the surface of tumor cells, recruiting T cells to the vicinity of the tumor cells and directly activating them, enabling them to attack and kill the tumor cells that express LILRB4. BND-35 mainly explores the potential for treating hematological malignancies such as acute myeloid leukemia. This biosimilar antibody provides researchers with a reliable tool for investigating LILRB4's role in immune regulation, cancer biology, and therapeutic development, particularly in studies exploring immune checkpoint mechanisms and myeloid cell function in disease contexts.
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