Methods of treatment of type 2 diabetes
First Claim
1. A method for screening for diabetes comprising:
- a) obtaining sample nucleic acid from an animal; and
b) analyzing the nucleic acid to detect a polymorphism in a calpain-encoding nucleic segment;
wherein a polymorphism in the calpain-encoding nucleic acid is indicative of a propensity for type 2 diabetes mellitus.
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Abstract
The present invention relates generally to the field of diabetes. More particularly, it concerns the identification of genes responsible for NIDDM1 for use in diagnostic and therapeutic applications. The present invention demonstrates that the NIDDM1 locus is, in fact, the calpain 10 gene. The invention further relates to the discovery that analysis of mutations in calpain genes and gene products can be diagnostic for type 2 diabetes. The invention also contemplates methods of treating diabetes in view of the fact that calpain mutations can cause diabetes. Further, the invention relates to novel polynucleotides of the NIDDM1 locus and polypeptides encoded by such polynucleotides.
25 Citations
48 Claims
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1. A method for screening for diabetes comprising:
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a) obtaining sample nucleic acid from an animal; and
b) analyzing the nucleic acid to detect a polymorphism in a calpain-encoding nucleic segment;
wherein a polymorphism in the calpain-encoding nucleic acid is indicative of a propensity for type 2 diabetes mellitus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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- 11. A method of regulating diabetes in an animal comprising the step of modulating calpain function in the animal.
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18. A method of screening for modulators of calpain function comprising the steps of:
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a) obtaining an calpain polypeptide;
b) determining a standard activity profile of the calpain polypeptide;
c) contacting the calpain polypeptide with a putative modulator; and
d) assaying for a change in the standard activity profile.
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- 22. An isolated and purified polynucleotide comprising a calpain 10-encoding sequence.
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26. An isolated and purified calpain 10 polypeptide.
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29. A method of obtaining a calpain 10 polypeptide comprising:
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a) obtaining a calpain 10 encoding-polynucleotide;
b) inserting the obtained polynucleotide into a host cell; and
c) culturing the host cell under conditions sufficient to allow production of the calpain 10-encoding polypeptide;
wherein a calpain 10 polypeptide is thereby obtained.
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- 31. A method of modulating an insulin secretory response in an animal comprising the step of modulating calpain function in the animal.
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35. A method of modulating insulin mediated glucose transport in an animal comprising the step of modulating calpain function in the animal.
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39. A method of treating diabetes in an animal comprising the step of modulating calpain function in the animal.
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43. A method of treating diabetes by modulating the function of one or more calpains in at least one of a β
- -cell, muscle cell, or fat cell with a modulator of calpain function.
- View Dependent Claims (44, 45, 46, 47, 48)
Specification