Compositions, methods and kits for treatment of cancer and autoimmune diseases
First Claim
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1. A recombinant fusion protein comprising an amino acid sequence of IL-21 or cytotoxic fragment thereof fused to an N-terminus of an amino acid sequence of an anti-CD20 antibody or antigen binding fragment thereof via a linker peptide of SEQ ID NO:
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Abstract
The present invention is directed to fusion proteins having an IL-21 cytokine portion and an anti-CD20 antibody portion, and methods of using such fusion proteins. The invention also provides pharmaceutical compositions and kits utilizing the IL-21-anti-CD20 fusion proteins. In particular, the methods, kits and compositions of the invention are useful in the treatment of cancer and autoimmune diseases.
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32 Claims
- 1. A recombinant fusion protein comprising an amino acid sequence of IL-21 or cytotoxic fragment thereof fused to an N-terminus of an amino acid sequence of an anti-CD20 antibody or antigen binding fragment thereof via a linker peptide of SEQ ID NO:
Specification