Health / Medical Topics |
TLR7 Agonist 852A
Definition 1
A synthetic imidazoquinoline Toll-like receptor 7 (TLR7) agonist with immunostimulating and potential antitumor activities. TLR7 agonist 852A binds to and activates TLR7, thereby stimulating plasmacytoid dendritic cells (pDC) through the TLR7-MyD88-dependent signaling pathway. Activation of pDC results in secretion of interferon alpha, the production of proimflammatory cytokines, the upregulation of co-stimulatory molecules, and enhanced T and B-cell stimulatory responses. (NCI Thesaurus)
Definition 2
A substance being studied in the treatment of certain adult and childhood blood cancers and other types of cancer. 852A may help the patient's immune system block tumor growth. It is a type of immune system modulator. (NCI Dictionary)
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