A monoclonal antibody is secreted by a single B lymphocyte clone which can only produce a kind of proprietary antibody against an antigen-determining cluster, and has the characteristics of single biological activity and particular specificity of binding with antigen.
The active sites of monoclonal antibody drugs involve a variety of tumor-related signaling pathways and targets. For example, the most common targets are epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), and epidermal growth factor receptor -2 (her-2 /neu, or egfr-2). Besides, there is a group of targets that are getting a lot of attention called “immune checkpoints”.
After the activation of immune cells that regulate the anti-tumor immune response, a variety of highly expressed receptors on the surface of immune cells bind to the highly expressed ligands on the surface of tumor cells to reduce the strength of the immune response, thus down-regulating the intensity of tumor-related immune response. These immunoregulatory sites are known as immune checkpoints. Currently, the most widely studied immune checkpoints are PD-1, PD-L1, and CTLA-4.
Targetmol provides 30 monoclonal antibody drugs, including the above immune checkpoint inhibitors and other types of targeted antibody inhibitors, for scientific research only.