Susceptibility gene for obesity and type II diabetes mellitus
First Claim
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1. Isolated oligonucleotide primer(s) for diagnosis of a subject having or at risk of having an increased likelihood for developing type II diabetes mellitus and/or obesity, wherein the primer specifically hybridizes with a target polynucleotide sequence having a sequence selected from the group consisting of:
- 5'"'"'-GTGTTGGCCGTATTGGGCG-3'"'"' (SEQ ID NO;
1) and5'"'"'-GGTGATGGGACTCCTGGTGG-3'"'"' (SEQ ID NO;
2).
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Abstract
The present invention provides a novel polypeptide characterized by a non-conservative missense mutation, Trp64Arg, in the β3-adrenergic receptor (β3AR) that increases susceptibility to obesity and non-insulin dependent diabetes mellitus (NIDDM; type II diabetes). Also provided are methods of diagnosis and methods of treatment of subjects having or at risk of having type II diabetes/obesity.
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Citations
21 Claims
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1. Isolated oligonucleotide primer(s) for diagnosis of a subject having or at risk of having an increased likelihood for developing type II diabetes mellitus and/or obesity, wherein the primer specifically hybridizes with a target polynucleotide sequence having a sequence selected from the group consisting of:
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5'"'"'-GTGTTGGCCGTATTGGGCG-3'"'"' (SEQ ID NO;
1) and5'"'"'-GGTGATGGGACTCCTGGTGG-3'"'"' (SEQ ID NO;
2). - View Dependent Claims (2)
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3. An isolated polynucleotide encoding a polypeptide having an amino acid sequence of a β
- 3-adrenergic receptor having a substitution at amino acid residue 64 of arginine for tryptophan and wherein the substituted receptor is associated with having or at risk of having an increased likelihood for developing Type II diabetes mellitus and/or obesity.
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4. A method for diagnosis of a subject having or at risk of having an increased likelihood for developing type II diabetes mellitus and/or obesity comprising:
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a) contacting a target nucleic acid of a sample from the subject with a reagent that detects a mutation in the β
3AR gene, wherein the mutation is a substitution at amino acid residue 64 of arginine for tryptophan; andb) detecting the mutation, wherein detection of the mutation is indicative of a subject having or at risk of having an increased likelihood for developing type II diabetes mellitus and/or obesity. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A kit useful for the diagnosis of a subject having or at risk of having an increased likelihood for developing type II diabetes mellitus and/or obesity, the kit comprising means for amplifying a target β
- 3AR DNA, wherein the β
3AR DNA encodes a polypeptide having a substitution at amino acid residue 64 of arginine for tryptophan, said means comprising the necessary enzyme(s) and oligonucleotide primers for amplifying said target DNA of a sample from a subject, wherein said primers amplify a DNA fragment of about 100 to 350 nucleotides and wherein said DNA fragment contains DNA encoding amino acid residue 64. - View Dependent Claims (20, 21)
- 3AR DNA, wherein the β
Specification