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- NCIT_C179637 IAO_0000115 "A bispecific antibody composed of a Fc-silenced human immunoglobulin G1 (IgG1) monoclonal antibody targeting human programmed death-ligand 1 (PD-L1) fused with a single chain variable fragment (scFv) targeting 4-1BB (CD137; tumor necrosis factor receptor superfamily member 9; TNFRSF9), with potential checkpoint inhibitory, immunostimulating and antineoplastic activities. Upon administration, anti-PD-L1/anti-4-1BB bispecific antibody ABL503 simultaneously targets and binds to 4-1BB, which is expressed on a variety of leukocyte subsets including activated T-lymphocytes, and PD-L1 expressed on tumor cells. Upon PD-L1 binding, the 4-1BB activation signal is induced and ABL503 acts as a conditional 4-1BB agonist in the tumor microenvironment (TME), resulting in T-cell co-stimulation and enhances T-lymphocyte-mediated anti-tumor activity. At the same time, ABL503 prevents PD-L1 from binding to and activating its receptor, programmed cell death 1 (PD-1; PDCD1; CD279; programmed death-1). This abrogates T-cell inhibition, activates antigen-specific T-lymphocytes and enhances cytotoxic T-cell-mediated tumor cell lysis, which may lead to a reduction in tumor growth. PD-L1 binding to PD-1 on activated T-cells inhibits the expansion and survival of CD8-positive T-cells, suppresses the immune system and results in immune evasion. 4-1BB, a surface glycoprotein of the tumor necrosis factor receptor superfamily, is an inducible costimulatory receptor that plays a key role in T-cell proliferation, survival and cytolytic activity." @default.
- NCIT_C179637 NCIT_A7 NCIT_C96024 @default.
- NCIT_C179637 NCIT_NHC0 "C179637" @default.
- NCIT_C179637 NCIT_P106 "Pharmacologic Substance" @default.
- NCIT_C179637 NCIT_P107 "Anti-PD-L1/Anti-4-1BB Bispecific Antibody ABL503" @default.
- NCIT_C179637 NCIT_P108 "Anti-PD-L1/Anti-4-1BB Bispecific Antibody ABL503" @default.
- NCIT_C179637 NCIT_P208 "CL1662155" @default.
- NCIT_C179637 NCIT_P322 "CTRP" @default.
- NCIT_C179637 NCIT_P322 "GDC" @default.
- NCIT_C179637 NCIT_P399 "804929" @default.
- NCIT_C179637 NCIT_R124 NCIT_C17710 @default.
- NCIT_C179637 NCIT_R124 NCIT_C17828 @default.
- NCIT_C179637 NCIT_R124 NCIT_C18219 @default.
- NCIT_C179637 NCIT_R124 NCIT_C19986 @default.
- NCIT_C179637 NCIT_R124 NCIT_C40474 @default.
- NCIT_C179637 normalizedInformationContent "100" @default.
- NCIT_C179637 referenceCount "1" @default.
- NCIT_C179637 hasExactSynonym "ABL 503" @default.
- NCIT_C179637 hasExactSynonym "ABL-503" @default.
- NCIT_C179637 hasExactSynonym "ABL503" @default.
- NCIT_C179637 hasExactSynonym "Anti-PD-L1/4-1BB Bispecific Antibody ABL503" @default.
- NCIT_C179637 hasExactSynonym "Anti-PD-L1/Anti-4-1BB Bispecific Antibody ABL503" @default.
- NCIT_C179637 hasExactSynonym "Anti-PD-L1/CD137 Bispecific Antibody ABL503" @default.
- NCIT_C179637 hasExactSynonym "PD-L1x4-1BB Bispecific Antibody ABL503" @default.
- NCIT_C179637 inSubset NCIT_C116977 @default.
- NCIT_C179637 inSubset NCIT_C116978 @default.
- NCIT_C179637 inSubset NCIT_C128784 @default.
- NCIT_C179637 inSubset NCIT_C157711 @default.
- NCIT_C179637 inSubset NCIT_C157712 @default.
- NCIT_C179637 inSubset NCIT_C176424 @default.
- NCIT_C179637 type Class @default.
- NCIT_C179637 isDefinedBy ncit.owl @default.
- NCIT_C179637 label "Anti-PD-L1/Anti-4-1BB Bispecific Antibody ABL503" @default.
- NCIT_C179637 subClassOf NCIT_C128057 @default.
- NCIT_C179637 subClassOf NCIT_C129820 @default.
- NCIT_C179637 subClassOf NCIT_C129821 @default.
- NCIT_C179637 subClassOf NCIT_C129822 @default.
- NCIT_C179637 subClassOf NCIT_C141144 @default.
- NCIT_C179637 subClassOf NCIT_C143250 @default.
- NCIT_C179637 subClassOf NCIT_C1454 @default.
- NCIT_C179637 subClassOf NCIT_C155745 @default.
- NCIT_C179637 subClassOf NCIT_C156893 @default.
- NCIT_C179637 subClassOf NCIT_C163758 @default.
- NCIT_C179637 subClassOf NCIT_C179637 @default.
- NCIT_C179637 subClassOf NCIT_C1908 @default.
- NCIT_C179637 subClassOf NCIT_C1909 @default.
- NCIT_C179637 subClassOf NCIT_C191689 @default.
- NCIT_C179637 subClassOf NCIT_C192997 @default.
- NCIT_C179637 subClassOf NCIT_C20401 @default.
- NCIT_C179637 subClassOf NCIT_C274 @default.
- NCIT_C179637 subClassOf NCIT_C307 @default.
- NCIT_C179637 subClassOf NCIT_C308 @default.