Methods for predicting relative efficacy of a beta blocker therapy based on a B1-adrenergic receptor polymorphism
First Claim
1. A method of predicting relative efficacy of a beta blocker therapy in a subject, the method comprising:
- determining from a sample from the subject the presence or absence of a polymorphism in a β
1-adrenergic receptor in the sample from the subject, wherein the polymorphism comprises arginine at position 389; and
predicting relative efficacy of a beta blocker therapy, wherein the beta blocker therapy comprises administering carvedilol, based on the presence or absence of the polymorphism, the presence of the polymorphism indicating a relatively greater efficacy of the beta blocker therapy in the subject, wherein the subject is heterozygous or homozygous for the polymorphism, as compared to a subject lacking the polymorphism.
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Abstract
Methods and compositions for the detection, diagnosis, and prevention of cardiac conditions are provided. Polymorphisms of β1-adrenergic receptor are provided. The Gly389 β1-adrenergic receptor variants are not as responsive to treatment β blockers such as carvedilol, metoprolol or bisoprol. Thus, genotyping β1-adrenergic receptor polymorphisms is useful for predicting relative responsiveness to treatment with beta blockers. The Gly389 polymorphism also may be used, alone or in conjunction with other adrenergic receptor polymorphisms, to predict relative risk of developing cardiovascular diseases such as heart failure or to predict relative survival rate in patients with heart failure or other cardiovascular diseases. Also provided are transgenic mice and transgenic cells expressing the β1-adrenergic receptor polymorphisms, and their use in identifying therapeutic agents.
24 Citations
8 Claims
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1. A method of predicting relative efficacy of a beta blocker therapy in a subject, the method comprising:
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determining from a sample from the subject the presence or absence of a polymorphism in a β
1-adrenergic receptor in the sample from the subject, wherein the polymorphism comprises arginine at position 389; andpredicting relative efficacy of a beta blocker therapy, wherein the beta blocker therapy comprises administering carvedilol, based on the presence or absence of the polymorphism, the presence of the polymorphism indicating a relatively greater efficacy of the beta blocker therapy in the subject, wherein the subject is heterozygous or homozygous for the polymorphism, as compared to a subject lacking the polymorphism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification