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Last Updated: April 24, 2024

Claims for Patent: 8,367,069


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Summary for Patent: 8,367,069
Title:Cytotoxic T cell defined EGFR peptide and an optimized derivative peptide
Abstract: The invention provides a polypeptide having a sequence of amino acids consisting of IXDFGLAKL (SEQ ID NO: 1), as well as a nucleic acid encoding the polypeptide, vector comprising the nucleic acid, cell comprising the vector, and compositions thereof. The invention also provides a method of inducing a T-cell response in a patient with epithelial cancer, and a method inhibiting epithelial cancer, wherein the methods comprise administering the composition of the invention. The invention further provides a method of stimulating a cell with the inventive polypeptide and a cell so stimulated.
Inventor(s): Ferris; Robert L. (Pittsburgh, PA), Andrade; Pedro (Pittsburgh, PA), Lopez-Albaitero; Andres (Pittsburgh, PA)
Assignee: University of Pittsburgh--of the Commonwealth System of Higher Education (Pittsburgh, PA)
Application Number:12/959,073
Patent Claims:1. An isolated or substantially purified polypeptide consisting of (SEQ ID NO: 1).

2. A composition comprising a polypeptide consisting of SEQ ID NO: 1 and a carrier.

3. The composition of claim 2, further comprising an adjuvant.

4. The composition of claim 3, wherein the adjuvant is selected from the group consisting of IL-1-beta, IL-2, IL-4, IL-6, IL-7, IL-12, IL-15, IL-21, PGE, RANTES, GM-CSF, TNF-alpha, IFN-gamma, incomplete Freund's adjuvant, alum, aluminum salts, aluminum phosphate, aluminum hydroxide, aluminum silica, Montanide, calcium phosphate, and combinations thereof.

5. The composition of claim 2, further comprising a chemotherapeutic agent.

6. The composition of claim 5, wherein the chemotherapeutic agent is an EGFR family-specific antibody.

7. The composition of claim 6, wherein the EGFR family-specific antibody is cetuximab.

8. The composition of claim 2, further comprising a tumor associated antigen selected from the group consisting of MAGE, p53, ErbB2, MUC-1, HAGE, and human papilloma virus.

9. The composition of claim 2, wherein the composition is a pharmaceutical composition and the carrier is a pharmaceutically acceptable carrier.

10. A method of inducing a cytotoxic T lymphocyte response in a patient with epithelial cancer cells expressing EGFR, comprising administering to the patient the composition of claim, such that a T cell cytotoxic T lymphocyte response against the epithelial cancer is induced.

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