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US 12,624,122 B2Granted
Affinity maturated TAG72 specific single chain antibodies
AssigneeH. Lee Moffitt Cancer Center and Research Institute, Inc.
InventorHatem Soliman
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Abstract
Disclosed are compositions and methods for targeted treatment of TAG-72-expressing cancers. In particular, affinity maturated single chain variable fragment (scFv) antibodies that bind TAG-72 on cancer cells are disclosed.
Claims14
A single chain variable fragment (scFv) TAG-72 antibody, comprising a variable heavy (VH) domain having CDR1, CDR2 and CDR3 sequences and a variable light (VL) domain having CDR1, CDR2 and CDR3 sequences,
- wherein the CDR1 sequence of the VH domain comprises the amino acid sequence DHAIH (SEQ ID NO:1),
- wherein the CDR2 sequence of the VH domain has the amino acid sequence WIGYFSPGNDDFRYNERFKG (SEQ ID NO:3),
- wherein the CDR3 sequence of the VH domain comprises the amino acid sequence LNMAY (SEQ ID NO:2),
- wherein the CDR1 sequence of the VL domain has the amino acid sequence KSSQSLLYSGNHKNYLA (SEQ ID NO:12),
- wherein the CDR2 sequence of the VL domain comprises the amino acid sequence WASARES (SEQ ID NO:10), and
- wherein the CDR3 sequence of the V_domain comprises the amino acid sequence QQYYSYPLT (SEQ ID NO:11).
3 more elements
Dependencies are inferred from the claim text.