Antibody or antigen-binding fragment thereof

Abstract

The present invention provides an antibody or an antigen-binding fragment thereof that is useful for testing for cancer, particularly early-stage cancer. The antibody or an antigen-binding fragment thereof comprises a heavy-chain CDR1 comprising the amino acid sequence of SEQ ID NO: 1, a heavy-chain CDR2 comprising the amino acid sequence of SEQ ID NO: 2, a heavy-chain CDR3 comprising the amino acid sequence of SEQ ID NO: 3, a light-chain CDR1 comprising the amino acid sequence of SEQ ID NO: 4, a light-chain CDR2 comprising the amino acid sequence represented by SAS, and a light-chain CDR3 comprising the amino acid sequence of SEQ ID NO: 6.

Dependencies are inferred from the claim text.