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Last Updated: April 25, 2024

Claims for Patent: 7,252,826


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Summary for Patent: 7,252,826
Title:Modified mite allergen and pharmaceutical uses thereof
Abstract: The present invention provides a modified Dermatophagoides pteronyssinus allergen Der p 5 protein which has ability to inhibit IgE binding when exposed against to the antigen. A method for treating allergy comprising administrating a therapeutically effective dose of the modified D. pteronyssinus allergen Der p 5 protein to a subject suffering from allergy Der p 5 is also provided.
Inventor(s): Hsu; Ching-Hsiang (Tainan County, TW), Su; Wei-Chih (Tainan County, TW)
Assignee: GenMont Biotech Inc. (TW)
Application Number:10/654,020
Patent Claims:1. A modified Dermatophagoides pteronyssinus allergen Der p 5 protein, wherein at least one of amino acid residues 44, 77, 99, and 103 of wild-type D. pteronyssinus allergen Der p 5 protein of SEQ ID NO.2 is substituted with alanine.

2. The modified D. pteronyssinus allergen Der p 5 protein according to claim 1, wherein the modified D. pteronyssinus allergen Der p 5 protein has the amino acid sequence selected from the group consisting of the sequences of SEQ ID NOs:4, 6 and 8.

3. A pharmaceutical composition comprising a therapeutically effective dose of the modified D. pteronyssinus allergen Der p 5 protein according to claim 1 and a pharmaceutically acceptable carrier.

4. A pharmaceutical composition comprising a therapeutically effective dose of the modified D. pteronyssinus allergen Der p 5 protein according to claim 2 and a pharmaceutically acceptable carrier.

5. The modified D. pteronyssinus allergen Der p 5 protein according to claim 1, wherein amino acid residue 44 of wild-type D. pteronyssinus allergen Der p 5 protein of SEQ ID NO: 2 is substituted with alanine.

6. The modified D. pteronyssinus allergen Der p 5 protein according to claim 1, wherein amino acid residue 77 of wild-type D. pteronyssinus allergen Der p 5 protein of SEQ ID NO: 2 is substituted with alanine.

7. The modified D. pteronyssinus allergen Der p 5 protein according to claim 1, wherein amino acid residue 99 of wild-type D. pteronyssinus allergen Der p 5 protein of SEQ ID NO: 2 is substituted with alanine.

8. The modified D. pteronyssinus allergen Der p 5 protein according to claim 1, wherein amino acid residue 103 of wild-type D. pteronyssinus allergen Der p 5 protein of SEQ ID NO: 2 is substituted with alanine.

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