39 results about "Calcium channel" patented technology

The present disclosure provides a cell patch cryopreservation solution, which includes: a cryoprotectant, a buffer, a reducing agent, a calcium channel inhibitor and an apoptosis inhibitor. The present disclosure also provides a method of cryopreserving a cell patch by using the aforementioned cell patch cryopreservation solution. The cell patch cryopreservation solution and the method of cryopreserving a cell patch provided by the present disclosure can maintain the structural integrity and the cell activity of the cell patch.

The invention discloses a polysubstituted cyclopropyl carbonyl compound with calcium ion channel regulation activity as well as a pharmaceutical composition and application thereof, and belongs to the technical field of medicines. An alpha-chlorocyclobutanone compound is used as a raw material and reacts with aryl magnesium bromide with different substituent groups in an organic solvent, and the polysubstituted cyclopropyl carbonyl compound is obtained in one step. The polysubstituted cyclopropyl carbonyl compound is novel in structure, the preparation method has the advantages of being low in cost, simple and convenient to operate, mild in condition and the like, and the polysubstituted cyclopropyl carbonyl compound novel in structure can be rapidly obtained. The prepared cyclopropyl carbonyl compound has T-type calcium channel regulation activity and has an analgesic effect.

The application belongs to the field of heart disease treatment and natural medicine compound, and provides application of bufalin or a pharmaceutically acceptable salt thereof in preparation of a medicine for treating reperfusion arrhythmia. Experiments in vitro and in vivo prove that bufalin inhibits L-type calcium channels in a concentration-dependent manner, reduces extracellular calcium ion inflow, and further reduces the incidence of ventricular arrhythmia, arrhythmia, reduces ventricular conduction time, increases left ventricular conduction velocity, and reduces ventricular conduction dispersion; and provides a new drug selection for the treatment of reperfusion arrhythmia.

The present application provides a method for regulating calcium ion influx of myocardial cells by modifying any one or more of the amino acid residues in the combination of ESSE at positions 2061-2064 in the amino acid sequence corresponding to SEQ ID No. 1 of the mammalian L-type calcium channel protein, and a calcium channel regulator. The present application also provides a pharmaceutical composition for treating cardiovascular diseases, which comprises a regulator of any one or more of the amino acid residues in the combination of ESSE at positions 2061-2064 in the amino acid sequence corresponding to SEQ ID No. 1 of the mammalian L-type calcium channel protein. The present application also provides a method for screening potential substances for treating cardiovascular diseases.

This invention discloses bridged tricyclic γ-aminobutyric acid (GABA) derivatives targeting the α2δ subunit of voltage-gated calcium channels. These compounds exhibit enhanced binding affinity and improved pharmacological profiles. They aim to overcome limitations of current α2δ ligands like gabapentin and pregabalin. The new derivatives show potential for treating neuropathic pain, epilepsy, and related disorders.

Described herein, in part, are methods useful for treating a disease or condition relating to aberrant function or activity of a T-type calcium channel, such as essential tremor, in a subject in need thereof, comprising administering a T-type calcium channel inhibitor in combination with at least one of propranolol, primidone, topiramate, or a pharmaceutically acceptable salt thereof. Also disclosed herein are compositions comprising the T-type calcium channel inhibitor and at least one of propranolol, primidone, topiramate, or a pharmaceutically acceptable salt thereof.

The present disclosure provides Pattern D, i.e., a crystalline form of N-((1-(2-(tert-butylamino)-2-oxoethyl)piperidin-4-yl)methyl)-3-chloro-5-fluorobenzamide hydrochloride salt trihydrate (Compound 1). The present disclosure also provides pharmaceutical compositions comprising Compound 1 in the form of Pattern D, as well as methods of treating neurological and psychiatric disorders by administering to a subject in need thereof Compound 1 in the form of Pattern D or a pharmaceutical composition comprising Compound 1 in the form of Pattern D.

This disclosure relates to 1,4-oxazolidinyl heptane and 1,4-thioazolidinyl heptane derivatives, and their use in treating conditions and diseases associated with the lanodid receptor (RyR), which regulates calcium channel signaling in cells. This disclosure also discloses pharmaceutical compositions comprising these compounds and their use in treating diseases and conditions associated with RyR dysfunction, particularly cardiovascular, musculoskeletal, and central nervous system (CNS) disorders.

Provided herein are compositions and methods protection against QTc prolongation. In some embodiments, the compositions and methods comprise administering a compound having one or more of early sodium ion channel blocking, lates sodium ion channel blocking, and L-type calcium channel blocking activity. In some embodiments, the compound is sulcardine or a pharmaceutically acceptable salt thereof, such as sulcardine sulfate or sulcardine mono-edisylate.

A method of inducing expression of a calcium channel and / or a calcium pump in a cell includes: irradiating the cell with light in a wavelength range of 315-325 nm. The calcium channel and / or the calcium pump is / are at least one selected from the group consisting of dihydropyridine receptor (DHPR), voltage-gated calcium channel (VGCC), ryanodine receptor (RYR), and sarcoendoplasmic reticulum Ca2+-ATPase (SERCA).

The present invention concerns the use of an L-type calcium channel (LTCC) blocker in combination with a BRAF inhibitor (BRAFi) and / or a MEK inhibitor (MEKi) for the treatment of melanoma in a patient.

Described herein, in part, are methods useful for preventing and / or treating a disease or condition relating to aberrant function or activity of a T-type calcium channel, such as psychiatric disorders (e.g., mood disorder (e.g., major depressive disorder)), pain, tremor (e.g., essential tremor), seizures (e.g., absence seizures), epilepsy, or an epilepsy syndrome (e.g., juvenile myoclonic epilepsy). The present invention further comprises methods for modulating the function of a T-type calcium channel and methods of administering a titrated dosage of a T-type calcium channel antagonist.

Described herein, in part, are dosage forms and compositions useful for the prevention and / or treatment of diseases or conditions associated with aberrant T-type calcium channel function, such as epilepsy and epileptic syndromes (e.g., absent seizures, teenager myospastic epilepsy or genetic epilepsy), tremor (e.g., epilepsy seizures, spasmodic epilepsy, or hereditary epilepsy), or tremor (e.g., epilepsy seizures). Idiopathic tremor (e.g., idiopathic tremor) and psychiatric disorders (e.g., mood disorders (e.g., severe depressive disorder)). The invention also includes methods for modulating the function of T-type calcium channels.

Described herein, in part, are dosage forms and compositions useful for preventing and / or treating a disease or condition relating to aberrant function of a T-type calcium channel, such as epilepsy and epilepsy syndromes (e.g., absence seizures, juvenile myoclonic epilepsy, or a genetic epilepsy), tremor (e.g., essential tremor), and psychiatric disorder (e.g., mood disorders (e.g., major depressive disorder)). The present invention further comprises methods for modulating the function of a T-type calcium channel.

The present disclosure describes a method of reducing Miro1 and / or phosphorylated alpha-synuclein level in a cell, for example, by contacting the cell with an effective amount of a T-type calcium channel antagonist or a ferroptosis inhibitor.

The present invention is directed, in part, to deuterium-enriched compounds and compositions comprising deuterium-enriched compounds useful for preventing and / or treating diseases or conditions associated with abnormal function of T-type calcium channels. As described herein, deuteration of the T-type calcium channel inhibitors can significantly affect metabolic clearance. Surprisingly, some of the deuterated compounds described herein exhibit significantly improved metabolic stability compared to non-deuterated compounds. Because metabolic clearance often leads to improved bioavailability, deuterated compounds are expected to have improved bioavailability compared to non-deuterated compounds.

Disclosed herein are compounds for treating a condition modulated by calcium channel ion activity and pharmaceutical compositions comprising the compounds, wherein the compounds comprise an azaspirononane core and left- and right-hand substitutions of the azaspirononane core. Also disclosed herein are methods using the compounds to treat a disease or condition relating to aberrant function or activity of a T-type calcium channel.

The present disclosure provides antibodies that bind to calcium channel flower homolog proteins such as hFwe1, hFwe2, hFwe3 and hFwe4. It is known that these calcium channel flower homolog proteins and their downstream players are a common, tunable read-out of cellular fitness likely functional in many tissue systems as means to continuously survey cellular status and rid suboptimal cells. The antibodies provided herein are capable of increasing the cellular fitness of various cell types, and thus would be useful in methods of treating cancer and other diseases or conditions.

This disclosure relates to 1,4-oxazepane and 1,4-thiazepane derivatives and their use to treat disorders and diseases associated with ryanodine receptor (RyR) that modulate calcium channel signaling in cells. This disclosure also discloses pharmaceutical compositions comprising these compounds and their use to treat diseases and conditions associated with RyR dysfunction, particularly cardiac, musculoskeletal, and central nervous system (CNS) disorders.

Described herein, in part, are dosage forms and compositions useful for the prevention and / or treatment of diseases or conditions associated with aberrant T-type calcium channel function, such as epilepsy and epileptic syndromes (e.g., absent seizures, teenager myospastic epilepsy or genetic epilepsy), tremor (e.g., epilepsy seizures, spasmodic epilepsy, or hereditary epilepsy), or tremor (e.g., epilepsy seizures). Idiopathic tremor (e.g., idiopathic tremor) and psychiatric disorders (e.g., mood disorders (e.g., severe depressive disorder)). The invention also includes methods for modulating the function of T-type calcium channels.

Described herein, in part, are crystalline and salt forms of N-((1-(2-(tert-butylamino)-2-oxoethyl)piperidin-4-yl)methyl)-3-chloro-5-fluorobenzamide useful for preventing and / or treating a disease or condition relating to aberrant function of a T-type calcium channel, such as epilepsy and epilepsy syndromes (e.g., absence seizures, juvenile myoclonic epilepsy, or a genetic epilepsy), tremor (e.g., essential tremor), and psychiatric disorder (e.g., mood disorders (e.g., major depressive disorder)).

The present disclosure provides Pattern D, i.e., a crystalline form of N-((1-(2-(tert-butylamino)-2-oxoethyl)piperidin-4-yl)methyl)-3-chloro-5-fluorobenzamide hydrochloride salt trihydrate (Compound 1). The present disclosure also provides pharmaceutical compositions comprising Compound 1 in the form of Pattern D, as well as methods of treating neurological and psychiatric disorders by administering to a subject in need thereof Compound 1 in the form of Pattern D or a pharmaceutical composition comprising Compound 1 in the form of Pattern D.

Described herein, in part, are dosage forms and compositions useful for the prevention and / or treatment of diseases or conditions associated with aberrant T-type calcium channel function, such as epilepsy and epileptic syndromes (e.g., absent seizures, teenager myospastic epilepsy or genetic epilepsy), tremor (e.g., epilepsy seizures, spasmodic epilepsy, or hereditary epilepsy), or tremor (e.g., epilepsy seizures). Idiopathic tremor (e.g., idiopathic tremor) and psychiatric disorders (e.g., mood disorders (e.g., severe depressive disorder)). The invention also includes methods for modulating the function of T-type calcium channels.

Described herein, in part, are dosage forms and compositions useful for preventing and / or treating diseases or disorders associated with aberrant function of T-type calcium channels, such as epilepsy and epilepsy syndromes (e.g., absence seizures, juvenile myoclonic epilepsy, or genetic epilepsy), tremors (e.g., essential tremor), and psychiatric disorders (e.g., mood disorders (e.g., major depressive disorder)). The present invention also includes methods for modulating the function of T-type calcium channels.

The application provides application of polycyclic polyisoprenyl acyl phloroglucinol compounds (PPAP) of two different skeleton types in preparation of medicines for relieving / treating neurodegenerative diseases. The application belongs to the technical field of medicines. The hyphenrone A provided by the application is a 1,9-cracked polycyclic polyisoprenyl acyl phloroglucinol compound, and the hyphenrone L is a polycyclic polyisoprenyl acyl phloroglucinol compound with a complex ring system formed by intramolecular [4+2] cyclization of a monocyclic polyisoprenyl acyl phloroglucinol compound. The compound hyphenrone A and the compound hyphenrone L both have the activity of enhancing the voltage-gated T-type calcium channel current, and can be used for preparing medicines for treating neurodegenerative diseases, and in particular, can be used for preparing medicines for relieving and / or treating diseases such as spinocerebellar ataxia, Alzheimer's disease and mental retardation syndrome, and have the clinical application value.

Disclosed herein are compounds for treating a condition modulated by calcium channel ion activity and pharmaceutical compositions comprising the compounds, wherein the compounds comprise an azaspiroheptane core and left- and right-hand substitutions of the azaspiroheptane core. Also disclosed herein are methods using the compounds to treat a disease or condition relating to aberrant function or activity of a T-type calcium channel.

Described herein, in part, are single-unit dosage forms, comprising the compound of Formula (I) or a pharmaceutically acceptable salt thereof (e.g., the compound of Formula (II), e.g., PRAX-944 HCl), wherein the composition is bioequivalent to a reference composition of the same dosage strength administered as multiple small, round tablets. The present invention further comprises methods useful for treating a disease or condition relating to aberrant function or activity of a T-type calcium channel, such as tremor (e.g., essential tremor).

Disclosed herein are compounds for treating a condition modulated by calcium channel ion activity and pharmaceutical compositions comprising the compounds, wherein the compounds comprise a diazaspiroheptane core and left- and right-hand substitutions of the diazaspiroheptane core. Also disclosed herein are methods using the compounds to treat a disease or condition relating to aberrant function or activity of a T-type calcium channel.