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133 results about "Acetylcholine receptor" patented technology

An acetylcholine receptor (abbreviated AChR) is an integral membrane protein that responds to the binding of acetylcholine, a neurotransmitter.

Method of Improving Treatments in Rheumatic and Arthritic Diseases

Improved treatments of joint diseases, such as, e.g. osteoarthritis and rheumatoid arthritis, and pain, wherein a strontium-containing compound is administered alone or in combination with one or more second therapeutically and / or prophylactically active substances, selected from the group consisting of bisphosphonates, glucosamine, pallitative agents, analgesic agents, disease modifying anti-rheumatic compounds (DMARDs), selective estrogen receptor modulators (SERMs), aromatase inhibitors, non-steroidal anti-inflammatory agents (NSAIDs), COX-2 inhibitors, COX-3 inhibitors, opioids, inhibitors / antagonists of IL-1, inhibitors / antagonists of TNF-alpha, inhibitors of matrix metallo-proteinases (MMPs), cathepsin K inhibitors, inhibitors / antagonists of RANK-ligand, statins, glucocorticoids, chondroitin sulphate, NMDA receptor antagonists, inhibitors of interleukin-I converting enzyme, Calcitonin gene related peptide antagonists, glycine antagonists, vanilloid receptor antagonists, inhibitors of inducible nitric oxide synthetase (iNOS), N-acetylcholine receptor agonists, neurokinin antagonists, neuroleptic agents, PAR2 receptor antagonists and anabolic growth factors acting on joint tissue components. Pharmaceutical compositions comprising a strontium-containing compound and a second therapeutically and / or prophylactically active substance as defined above.
Owner:OSTEOLOGIX AS

Trimethyl chitosan-graft-polyethylene glycol/nucleic acid brain-targeting micellar and preparation method thereof

The invention belongs to the technical field of medicine, and relates to an acetylcholine-receptor-mediated trimethyl chitosan-graft-polyethylene glycol / nucleic acid brain-targeting micellar and a preparation method thereof. According to the invention, trimethyl chitosan-graft-polyethylene glycol-brain-targeting functional peptide is obtained through the steps that: chitosan is sequentially subjected to quaternary ammonium modification such that trimethyl chitosan is obtained; the amino group of trimethyl chitosan is subjected to a reaction with an active group of two-end-activated polyethylene glycol, such that trimethyl chitosan-graft-polyethylene glycol is obtained; and another active group of polyethylene glycol is subjected to a reaction with brain-targeting functional peptide RVG. According to the invention, ion composite micellar is adopted as a carrier, and brain-targeting functional peptide RVG is adopted as a targeting molecule, such that nucleic acid medicine can actively target and position through blood-brain barrier and brain. The ion composite micellar provided by the invention is formed through static composition of positively charged trimethyl chitosan-graft-polyethylene glycol-brain-targeting functional peptide and negatively charged nucleic acid. With the invention, nucleic acid medicine defects such as easy in-vivo degradation, poor stability, and low transfection efficiency are solved.
Owner:SHENYANG PHARMA UNIVERSITY

Application of compound (E)-N-[2-(3,4-dimethoxyphenyl)ethyl]-3-phenylacrylamide in preparation for medicine resisting Alzheimer disease

The invention provides an application of (E)-N-[2-(3,4-dimethoxyphenyl)ethyl]-3-phenylacrylamide compound 1 in preparation for a medicine resisting Alzheimer disease. An animal experiment for the nerve cells of a primary SD rat displays that: the compound 1 can be bound with alpha7nAChR, and the binding site is as the same as the binding site of bungatotoxin. Anti-inflammatory activity experiment prompts that the compound 1 has good anti-inflammatory activity. The compound 1 remarkably improves the toxicity of the nerve cells of the primary SD rat, and has a neuroprotective effect. Moreover, the compound 1 can directly act on amyloid protein, so as to achieve reduction for the toxic effect on the nerve cells acted by beta-amyloid. An experiment of treating a mouse by scopolamine indicates that the compound 1 can effectively improve the learning ability and the memory ability of experimental animal. The experiment shows that the compound 1 can effectively treat the senile dementia induced by beta-amyloid by means of exciting alpha7-acetylcholine receptor, depolymerizing beta-amyloid and the like. Therefore, the compound 1 can be used for preparing a medicine resisting Alzheimer disease, and has great clinical application value.
Owner:SHANGHAI JIAO TONG UNIV
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