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

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.
项目摘要 慢性疼痛影响着超过5000万人,给他们带来了巨大的经济负担。目前有 除了阿片类药物和非甾体抗炎药外,几乎没有有效的治疗方法。许多这些 治疗具有滥用和/或副作用的高可能性。发现和研究小说是必要的 用于治疗急性和慢性疼痛的生物靶点。这项提议聚焦于一个古老的分子靶点, σ 2/跨膜蛋白97(σ2/TMEM 97)受体,仅在过去五年中与疼痛有关。 年σ2/TMEM 97受体是一种内质网和质膜跨膜蛋白 已知对胆固醇代谢和钙稳态有影响。最近的行为药理学研究 研究了σ2/TMEM 97作为治疗疼痛的潜在治疗靶点,并证明 σ2/TMEM 97选择性配体能够逆转神经病理性损伤诱导的机械超敏反应。 小鼠无论是这种效应的细胞机制,还是这种效应的解剖学位置, 鉴定事实上,在疼痛的背景下,对σ2/TMEM 97的细胞特性的了解有限, 其配体的药理学性质一直是准确解释药理学行为的障碍 方面的影响.为了推进以前关于σ2/TMEM 97作为疼痛治疗靶点的研究,我的目标是 研究σ2/TMEM 97在行为、细胞和神经元的伤害感受处理中的作用程度。 分子水平。我将利用转基因动物研究σ2/TMEM 97的作用, 外周神经系统中σ2/TMEM 97驱动的伤害感受的细胞活性和分子谱 (PNS).该提案的目标是1)了解σ2/TMEM 97的细胞和分子特征, 慢性炎性疼痛的相关行为伤害感受和2)确定伤害感受器特异性 σ2/TMEM 97功能的丧失导致与PNS的扰动相关的行为变化。这个项目 包括分子生物学、动物行为和RNA测序数据方面的重要培训机会 分析准备PI在神经科学和生物医学的独立职业生涯。

项目成果

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Veronica Minsu Hong的其他文献

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