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US 9,493,532 B2Granted
Compositions for cancer therapy using mutant light molecules with increased affinity to receptors
AssigneeThe University of Chicago
InventorYang-Xin Fu
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Abstract
Methods and compositions are disclosed to target tumor cells with embodiments of the LIGHT proteins linked fused or conjugated to a targeting agent. These compositions bind to both human and mouse receptors with affinity sufficient to conduct preclinical and clinical trials, and with increased affinity as compared to the wild type human LIGHT protein. The targeting of embodiments of LIGHT to tumor cells reduces tumor growth and reduces metastases.
Claims4
A pharmaceutical composition comprising a mutant human LIGHT molecule comprising an amino acid sequence selected from the group consisting of SEQ ID Nos:
- 3, 4, 5, and 20, having increased binding affinity for murine receptors of LIGHT as compared to wild type human LIGHT, and having at least the same affinity to human receptors of LIGHT as compared to wild type human LIGHT, wherein the composition stimulates cytotoxic T lymphocytes against tumor cells.
Dependencies are inferred from the claim text.