Importance

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Abstract

This disclosure describes, in one aspect, a composition that generally includes an xNA molecule comprising at least six nucleotides, in an amount effective to improve at least one indicator of myocyte function and a pharmaceutically acceptable carrier. In another aspect, this disclosure describes a method of treating cardiac disease. Generally, the method includes administering to a subject a composition that includes an xNA molecule having at least six nucleotides, in an amount effective to improve at least one indicator of myocyte function, and a pharmaceutically acceptable carrier. In another aspect, this disclosure describes a method for evaluating the efficacy of treatment of cardiac disease. Generally, the method includes administering to a subject a composition that includes a first xNA molecule comprising a predetermined length in an amount effective to increase myocyte relaxation, then selecting a predetermined length of a second xNA molecule for at least one subsequent treatment. If treatment with the first xNA results in more myocyte relaxation than is desired, then the predetermined length of the second xNA molecule is shorter than the predetermined length of the first xNA. If, on the other hand, treatment with the first xNA results in less myocyte relaxation than is desired then the predetermined length of the second xNA molecule is longer than the predetermined length of the first xNA.

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First Claim