Article ; Online: FS118, a Bispecific Antibody Targeting LAG-3 and PD-L1, Enhances T-Cell Activation Resulting in Potent Antitumor Activity.
Clinical cancer research : an official journal of the American Association for Cancer Research
2020 Volume 26, Issue 13, Page(s) 3333–3344
Abstract: Purpose: Although programmed death-ligand 1 (PD-L1) antibody-based therapy has improved the outcome of patients with cancer, acquired resistance to these treatments limits their clinical efficacy. FS118 is a novel bispecific, tetravalent antibody (mAb!## ...
Abstract | Purpose: Although programmed death-ligand 1 (PD-L1) antibody-based therapy has improved the outcome of patients with cancer, acquired resistance to these treatments limits their clinical efficacy. FS118 is a novel bispecific, tetravalent antibody (mAb Experimental design: This study characterizes the binding activity and immune function of FS118 in cell lines and human peripheral blood mononuclear cells and further investigates its antitumor activity and mechanism of action using a surrogate murine bispecific antibody (mLAG-3/PD-L1 mAb Results: FS118 demonstrated simultaneous binding to LAG-3 and PD-L1 with high affinity and comparable or better activity than the combination of the single component parts of the mAb Conclusions: This study demonstrates a novel benefit of the bispecific approach over a combination of mAbs and supports the further development of FS118 for the treatment of patients with cancer. |
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MeSH term(s) | Animals ; Antibodies, Bispecific/pharmacology ; Antibody Affinity ; Antigens, CD/metabolism ; Antineoplastic Agents, Immunological/pharmacology ; B7-H1 Antigen/antagonists & inhibitors ; Biomarkers, Tumor ; Cell Line, Tumor ; Disease Models, Animal ; Humans ; Immunophenotyping ; Lymphocyte Activation/drug effects ; Lymphocyte Activation/immunology ; Mice ; Protein Binding ; T-Lymphocytes/drug effects ; T-Lymphocytes/immunology ; T-Lymphocytes/metabolism ; Xenograft Model Antitumor Assays |
Chemical Substances | Antibodies, Bispecific ; Antigens, CD ; Antineoplastic Agents, Immunological ; B7-H1 Antigen ; Biomarkers, Tumor ; CD223 antigen ; CD274 protein, human |
Language | English |
Publishing date | 2020-04-16 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1225457-5 |
ISSN | 1557-3265 ; 1078-0432 |
ISSN (online) | 1557-3265 |
ISSN | 1078-0432 |
DOI | 10.1158/1078-0432.CCR-19-3548 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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