Sigma 2 Receptor (TMEM97): Investigating the Peripheral Role of this Novel Therapeutic Target for Pain
Sigma 2 受体 (TMEM97):研究这种新型疼痛治疗靶点的外周作用
基本信息
- 批准号:10607436
- 负责人:
- 金额:$ 4.34万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-02-01 至 2025-11-30
- 项目状态:未结题
- 来源:
- 关键词:Acute PainAffectAffinity ChromatographyAgonistAnatomyAnimal BehaviorBehaviorBehavioralBiologicalBiological ProcessCalciumCalcium SignalingCell membraneCell physiologyCellsCholesterol HomeostasisChronic inflammatory painClinicCrossbreedingDataData AnalysesDown-RegulationEconomic BurdenEndoplasmic ReticulumExperimental DesignsFutureGene ExpressionGenesGenetic TranscriptionGenomic approachGoalsHomeostasisHumanHypersensitivityIn Situ HybridizationIn VitroIndividualInflammationInflammatoryInjuryIntegral Membrane ProteinInterleukin-6InvestigationKnock-outKnockout MiceKnowledgeLearningLigandsLinkLiteratureLocationLoxP-flanked alleleMechanicsMediatingMolecularMolecular BiologyMolecular ProfilingMolecular TargetMusNeuronsNeuropathyNeurosciencesNociceptionNociceptorsNon-Steroidal Anti-Inflammatory AgentsOpioidPainPain managementPeripheralPeripheral Nervous SystemPharmaceutical PreparationsPharmacologyPharmacology StudyPlayPopulationPropertyPublic HealthPublicationsRecoveryRibosomesRodentRoleSignal TransductionSiteSpinal GangliaSystemTechniquesTestingTherapeuticTrainingTransgenic AnimalsTransgenic MiceTransgenic OrganismsTranslatingUp-RegulationWild Type Mouseabuse liabilityantagonistbehavioral pharmacologycareercell typechronic painclinical translationdifferential expressioneffective therapyefficacy evaluationexperimental studyganglion cellin vivoinduced pluripotent stem cellinflammatory modulationinflammatory paininsightinterdisciplinary approachloss of functionmulti-electrode arraysneuroregulationnew therapeutic targetnovelpain modelpharmacologicreceptorresponseside effectsigma-2 receptortherapeutic targettraining opportunitytranscriptome sequencingtranscriptomic profiling
项目摘要
PROJECT SUMMARY
Chronic pain affects greater than 50 million individuals with a huge economic burden. Currently, there are
few effective treatments other than opioid-based drugs and non-steroidal anti-inflammatory drugs. Many of these
treatments have a high potential for abuse and/or side effects. It is necessary to discover and study novel
biological targets for the treatment of acute and chronic pain. This proposal focuses on an old molecular target,
the Sigma 2/transmembrane protein 97 (σ2/TMEM97) receptor, that has been linked to pain only in the last five
years. The σ2/TMEM97 receptor is an endoplasmic reticulum and plasma membrane transmembrane protein
with known effects in cholesterol metabolism and calcium homeostasis. Recent behavioral pharmacology studies
investigated σ2/TMEM97 as a potential therapeutic target for the treatment of pain and demonstrated that
σ2/TMEM97-selective ligands were able to reverse neuropathic injury-induced mechanical hypersensitivity in
mice. Neither the cellular mechanisms of this effect nor the anatomical location of the effects have been
identified. In fact, limited knowledge in the context of pain of the cellular properties of σ2/TMEM97 and
pharmacological properties of its ligands has been a barrier to accurately interpreting pharmacological behavioral
effects. To advance the previous studies on σ2/TMEM97 as a therapeutic target for pain treatment, I aim to
investigate the extent to which σ2/TMEM97 plays in the processing of nociception at the behavioral, cellular, and
molecular level. I will investigate the role of σ2/TMEM97 by utilizing transgenic animals to examine the difference
in cellular activity and the molecular profile of σ2/TMEM97-driven nociception in the peripheral nervous system
(PNS). The goal of this proposal is to 1) understand the cellular and molecular signature of σ2/TMEM97-
associated behavioral nociception in chronic inflammatory pain and 2) determine whether nociceptor-specific
loss of σ2/TMEM97 function results in behavioral changes associated with perturbation to the PNS. This project
includes significant training opportunities in molecular biology, animal behavior, and RNA sequencing data
analysis preparing the PI for an independent career in neuroscience and biomedicine.
项目总结
项目成果
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