CD33 antibodies
AssigneeUniversity of Florida Research Foundation, Inc.
InventorsJatinder Kaur Lamba, Mohammed Olusoji Gbadamosi, Vivek Shastri
Life of this patent
Estimating the term…
Abstract
Aspects of the disclosure relate to compositions and methods for treating certain (e.g., CD33-positive) cancers. In some aspects, the disclosure provides antibodies that specifically bind to CD33 protein variants that lack an IgV domain. In some aspects, the disclosure provides adaptable cell engagers (ACEs) and recombinant proteins (e.g., BiTEs) comprising an anti-CD33 antibody of the disclosure and an anti-CD3 antibody. In some embodiments, the disclosure provides methods of treating cancer by administering the antibodies, ACEs, or recombinant proteins (e.g., BiTEs) to a subject in need thereof.
Claims6
An antibody or antigen binding fragment that specifically binds to a CD33 protein, wherein the antibody or antigen binding fragment comprises a heavy chain variable region having the sequence set forth as:
- SEQ ID NO:
- 16 and a light chain variable region comprising the sequence set forth as SEQ ID NO:
- 17.
An antibody, or antigen binding fragment, that specifically binds to cell-surface expressing CD33 antigen and that comprises six complementarity determining regions (CDRs):
- of a heavy chain CDRH1, CDRH2, CDRH3, and a light chain CDRL1, CDRL2, and CDRL3,
- wherein CDRH1 comprises a sequence as set forth in SEQ ID NO:
- 4, CDRH2 comprises a sequence as set forth in SEQ ID NO:
- 6, CDRH3 comprises a sequence as set forth in SEQ ID NO:
- 8, CDRL1 comprises a sequence as set forth in SEQ ID NO:
- 10, CDRL2 comprises a sequence as set forth in SEQ ID NO:
- 12, and CDRL3 comprises a sequence as set forth in SEQ ID NO:
- 14.
Dependencies are inferred from the claim text.