44 results about "Gated Ion Channel" patented technology

The present invention relates to compositions and methods to modulate the activity of gated ion channels.

Disclosed are compounds that modulate the activity of the gated ion channels. Compounds that modulate these gated ion channels are useful in the treatment of diseases and disorders related to pain, inflammation, the neurological system, the gastrointestinal system and genitourinary system. Preferred compounds include compounds of the Formulae 1, 2, 3, 4, and 5.

The invention features an optically-controlled biological device that includes a biological component comprising a non-excitable cell expressing a light-gated ion channel protein and capable of forming gap junction channels with a target cell, and an optical stimulation unit.

The present invention relates to compositions and methods to modulate the activity of gated ion channels.

The present invention relates to an isolated nucleic acid molecule comprising a nucleotide sequence coding for a depolarizing light-gated ion channel functionally linked to a promoter leading to the specific expression of said depolarizing light-gated ion channel in a retinal photoreceptor, or the nucleotide sequence complementary to said nucleotide sequence, for use in treating or ameliorating blindness. The present invention also relates to methods of using such nucleic acid molecules in the treatment of blindness.

The present invention provides receptor chaperons and means for producing cells having increased and/or decreased expression of nAChR subunit combinations and/or nAChR subtypes, which provide useful models for investigating pharmacological properties of the receptors and regulation of the binding sites of potential nAChR subtypes.

The present invention describes a heteromultimeric proton-gated ion channel (herein called ASIC-2S.2) with distinctive properties. Compositions and methods are provided for producing and expressing functional ASIC-2S.2 channels, composed of ASIC2A and ASIC3 subunits. The invention also provides genetically engineered expression vectors comprising the nucleic acid sequences encoding both ASIC2A and ASIC3 and host cells coexpressing both ASIC2A and ASIC3 subunits. Also provided herein are genetically engineered nucleic acids encoding chimeric proton-gated ion channels comprised of at least two different subunits, as well as expression vectors and host cells comprising said engineered nucleic acids. The invention also provides for the use of ASIC-2S.2, as well as agonists, antagonists or antibodies specifically binding ASIC-2S.2. in the diagnosis, prevention and treatment of diseases associated with expression of ASIC-2S.2. Also are disclosed methods of influencing electrophysiological, pharmacological and/or functional properties of ASIC-2S.2 as well as methods for screening for substances having ion-channel modulating activity or substances capable of disrupting subunit association or interaction.

Fluorescence based screening assays are provided that allow for the for identification of agents that selectively bind to a ligand-gated ion channel (LGIC) such as a nicotinic acetylcholine receptor (nAChR). Also provided are methods for identifying agents that selectively bind to a neuronal-type nAChR by detecting binding of the agent to an Aplysia AChBP, which is representative of a neuronal-type nAChR. In addition, compositions and kits for performing such methods are provided.

The present invention relates to a group of substituted-7-azabicyclo-[2.2.1]heptyl derivatives with biological activity. The present invention also relates to synthetic methods for producing said substituted-7-azabicyclo-[2.2.1]heptyl derivatives. The present invention also relates to certain intermediates for producing such substituted-7-azabicyclo-[2.2.1]heptyl derivatives, as well as a synthetic method for producing such intermediates. The present invention also relates to pharmaceutical compositions comprising such substituted-7-azabicyclo-[2.2.1]heptyl derivatives, as well as their use as medicaments for the treatment of diseases mediated by a Nicotinic Acetylcholine Receptor or a receptor being a member of the Neurotransmitter-gated Ion Channel Superfamily, such as pain, Alzheimer's disease, Parkinson's disease, schizophrenia, epilepsy and nicotine addiction.

The present invention relates to compositions and methods to modulate the activity of gated ion channels.

The present invention relates to compositions and methods to modulate the activity of gated ion channels.

The present invention relates to compounds of formula (I) useful as inhibitors of voltage-gated ion channels for the treatment of pain. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.

Nucleic acid molecules encoding an ATP-gated ion channel P2X7R which contains a mutation or a deletion are disclosed. Polypeptides encoded by the nucleic acid molecules and antibodies that specifically are directed to these polypeptides are disclosed. Aptamers that specifically bind the nucleic acid molecules, and primers for selectively amplifying the nucleic acid molecules are provided, kits, compositions, particularly pharmaceutical and diagnostic compositions comprising the nucleic acid molecules, vectors, polypeptides, aptamers, antibodies and/or primers, are provided. Methods for diagnosing affective disorders associated with a non-functional P2X7R protein, an altered ATP-gating of the P2X7R protein, an over- or underexpression of the P2X7R protein or associated with the presence of any one of the nucleic acid molecules or polypeptides encoded thereby are disclosed. Additionally, the present invention relates to uses and methods for treating affective disorders employing a functional or non-functional ATP-gated ion-channel P2X7R, such as treatment with modulators of P2X7R activity.