Abstract: The present invention provides methods and compositions relating to an assay for hERG channel protein sensitivity to small molecule pharmacological agents. In one embodiment, the invention includes an engineered hERG channel protein. In another embodiment, the invention includes a method of identifying small molecule pharmacological agents that interfere with repolarization of cardiac cells.

Abstract: Described herein are compositions comprising capsaicin and methods of treating muscle cramping in a subject, comprising orally administering to the subject a composition comprising capsaicin and an excipient.

Abstract: The present invention provides methods and compositions relating to an assay for hERG channel protein sensitivity to small molecule pharmacological agents. In one embodiment, the invention includes an engineered hERG channel protein. In another embodiment, the invention includes a method of identifying small molecule pharmacological agents that interfere with repolarization of cardiac cells.

Abstract: Described herein are compositions comprising capsaicin and methods of treating muscle cramping in a subject, comprising orally administering to the subject a composition comprising capsaicin and an excipient.

Abstract: Described herein are compositions comprising capsaicin and methods of treating muscle cramping in a subject, comprising orally administering to the subject a composition comprising capsaicin and an excipient.

Abstract: Described herein are compositions comprising capsaicin and methods of treating muscle cramping in a subject, comprising orally administering to the subject a composition comprising capsaicin and an excipient.

Abstract: Described herein are compositions comprising capsaicin and methods of treating muscle cramping in a subject, comprising orally administering to the subject a composition comprising capsaicin and an excipient.

Abstract: Methods for identifying compounds that modulate the ion channel activity of a Kir channel are provided. Methods for identifying compounds that selectively modulate the ion channel activity of specific types of Kir channels based on the turret region of a Kir channel are also provided. Methods for identifying compounds to treat conditions associated with abnormal ion channel activity are also provided. Compounds including purified antibodies and methods of making antibodies which bind to the turret region of a Kir channel are provided. Purified polypeptides including at least a portion of the turret region of a Kir channel and nucleic acid sequences encoding these polypeptides are also provided.

Abstract: Methods for identifying compounds that modulate the ion channel activity of a Kir channel are provided. Methods for identifying compounds that selectively modulate the ion channel activity of specific types of Kir channels based on the turret region of a Kir channel are also provided. Methods for identifying compounds to treat conditions associated with abnormal ion channel activity are also provided. Compounds including purified antibodies and methods of making antibodies which bind to the turret region of a Kir channel are provided. Purified polypeptides including at least a portion of the turret region of a Kir channel and nucleic acid sequences encoding these polypeptides are also provided.

Abstract: Described herein are compositions comprising capsaicin and methods of treating muscle cramping in a subject, comprising orally administering to the subject a composition comprising capsaicin and an excipient.

Abstract: Methods for identifying compounds that modulate the ion channel activity of a Kir channel are provided. Methods for identifying compounds that selectively modulate the ion channel activity of specific types of Kir channels based on the turret region of a Kir channel are also provided. Methods for identifying compounds to treat conditions associated with abnormal ion channel activity are also provided. Compounds including purified antibodies and methods of making antibodies which bind to the turret region of a Kir channel are provided. Purified polypeptides including at least a portion of the turret region of a Kir channel and nucleic acid sequences encoding these polypeptides are also provided.

Abstract: A composition of matter suitable for use in identifying chemical compounds that bind to voltage-dependent ion channel proteins, the composition comprising a screening protein that comprises an ion channel voltage sensor domain of the ion channel protein immobilized on a solid support.

Abstract: The methods and compositions of the present invention are directed to the treatment or amelioration of muscle cramps using a composition that includes one or more TRPV1 channel activators, and/or one or more TRPA1 channel activators, and/or one or more ASIC channel activators.

Abstract: A composition of matter suitable for use in identifying chemical compounds that bind to voltage-dependent ion channel proteins, the composition comprising a screening protein that comprises an ion channel voltage sensor domain of the ion channel protein immobilized on a solid support.

Abstract: A composition of matter suitable for use in identifying chemical compounds that bind to voltage-dependent ion channel proteins, the composition comprising a screening protein that comprises an ion channel voltage sensor domain of the ion channel protein immobilized on a solid support.

Abstract: A composition of matter suitable for use in identifying chemical compounds that bind to voltage-dependent ion channel proteins, the composition comprising a screening protein that comprises an ion channel voltage sensor domain of the ion channel protein immobilized on a solid support.

Abstract: A composition of matter suitable for use in identifying chemical compounds that bind to voltage-dependent ion channel proteins, the composition comprising a screening protein that comprises an ion channel voltage sensor domain of the ion channel protein immobilized on a solid support.

Abstract: Assays for screeing potential drugs or agents that can interact and potentially bind to cation channel proteins, and potentially have uses in treating conditions related to the function of cation channel proteins is provided, along with prokaryotic cation channel proteins mutated to mimic eukaryotic cation channels, which can then be used in assays of the present invention.

Abstract: A composition of matter suitable for use in identifying chemical compounds that bind to voltage-dependent ion channel proteins, the composition comprising a screening protein that comprises an ion channel voltage sensor domain of the ion channel protein immobilized on a solid support.

Abstract: Assays for screening potential drugs or agents that can interact and potentially bind to cation channel proteins, and potentially have uses in treating conditions related to the function of cation channel proteins is provided, along with prokaryotic cation channel proteins mutated to mimic eukaryotic cation channels, which can then be used in assays of the present invention.