迈向下一代镇痛药：伤害感受肽受体的激活机制-猫眼课题宝

迈向下一代镇痛药：伤害感受肽受体的激活机制

批准号：

9204309

负责人：

Rebecca Laurie Miller

金额：

$1.92万

依托单位：

UNIVERSITY OF SOUTHERN CALIFORNIA

依托单位国家：

美国

项目类别：

财政年份：

2016

资助国家：

美国

项目状态：

已结题

起止时间：

2016-01-01 至 2017-07-07

来源：

https://reporter.nih.gov/project-details/9204309

关键词：

Absence of pain sensation Adverse effects Affect Agonist American Analgesics Architecture Arrestins Binding Binding Sites Biological Assay Cell membrane Cessation of life Chemicals Cocaine Complex Coupled Crystallization Data Deposition Development Dimensions Drug Targeting Extracellular Space Family G-Protein-Coupled Receptors G-substrate GPER gene GTP-Binding Protein alpha Subunits, Gs GTP-Binding Proteins Goals Heroin Intravenous Laboratories Ligand Binding Ligands Lipids Molecular Molecular Structure Morphine Mutagenesis Mutation Opioid Opioid Receptor Pain Pain management Peptide Receptor Peptides Pharmacology Phase Play Proteins Protocols documentation Pruritus Receptor Activation Receptor Signaling Reporting Research Research Project Grants Resolution Roentgen Rays Role Route Self Administration Signal Transduction Source Structure Temperature Translating Ventilatory Depression combat computer studies design member mu opioid receptors mutant next generation nociceptin nociceptin receptor nonhuman primate novel overdose death predictive modeling prescription opioid prescription opioid abuse public health relevance receptor scaffold small molecule submicron three dimensional structure virtual x-ray free-electron laser

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DESCRIPTION (provided by applicant): Prescription opioid abuse affects 2.4 million Americans and poses a societal burden of $55.7 billion annually. These prescription opioids are primarily -opioid receptor (MOR) agonists, and are not only highly addictive but their deadly side effects have caused more overdose deaths than heroin and cocaine combined. Therefore, research to identify analgesics that lack the potential for abuse and severe side effects associated with MOR agonists are urgently needed. Recent studies indicate that targeting the nociceptin receptor (NOP) is a promising alternative route to relieving pain without the deleterious side effects of traditional MOR-activating opioid therapies. In non-human primates, specifically activating NOP induces long lasting, morphine-comparable analgesia without causing pruritus, respiratory depression, or reinforcing effects in an intravenous self-administration paradigm; thus eliminating three serious side-effects of current opioid therapies. Our goal is to develop a mechanistic understanding of NOP signaling through intensive structural studies of NOP and leveraging our newfound understanding of this critical drug target to develop a predictive model for the action of different NOP ligand chemotypes. This goal will be accomplished through the following specific aims: (1) Determine and analyze the three-dimensional molecular structure of activated NOP (2) Delineate the activation mechanism of constitutively active mutants of NOP and finally (3) Define the structure of agonist- bound NOP in complex with effector fragments. The structural and functional data generated throughout this project will be combined and leveraged in computational studies to extend our newfound understanding of NOP activation to the identification of new NOP-activating chemotypes. This potentially high-impact project would pave the way for the development of the next generation of analgesics that lack the abuse liability and serious side effects associated with current opioid therapies.

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Toward Next Generation Analgesics:Activation Mechanism of the Nociceptin Receptor

批准号：

9198626
项目类别：
资助金额：

$3.01万
财政年份：

2016
负责人：

Rebecca Laurie Miller
依托单位：

UNIVERSITY OF SOUTHERN CALIFORNIA

海外基金