当前位置:首页>南京>药康生物助力南京大学医学院王宏伟/黄志强团队发现肌肉再生新靶点:激活α7nAChR可逆转萎缩

药康生物助力南京大学医学院王宏伟/黄志强团队发现肌肉再生新靶点:激活α7nAChR可逆转萎缩

  • 2026-04-22 10:43:11
药康生物助力南京大学医学院王宏伟/黄志强团队发现肌肉再生新靶点:激活α7nAChR可逆转萎缩

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2026年4月3日,南京大学医学院王宏伟/黄志强团队联合其附属盐城第一医院在《Cell Death & Differentiation》杂志上发表题为“Activation of α7nAChR reduces inflammation and apoptosis, promoting muscle regeneration through the AKT-FOXO1 pathway”的研究论文。该研究首次系统阐释了α7烟碱型乙酰胆碱受体(α7nAChR)在去神经骨骼肌萎缩中的关键保护作用,并揭示了其通过激活AKT-FOXO1信号通路、抑制炎症与细胞凋亡来促进肌肉再生的全新分子机制。研究使用了由药康生物提供的C57BL/6JGpt(品系编号:N000013)、BALB/cJGpt(品系编号:N000020)及基于C57BL/6JGpt背景构建的Chrna7基因敲除(Chrna7-KO,品系编号:T014837)小鼠模型。

去神经性肌萎缩是周围神经损伤后常见的并发症,表现为骨骼肌蛋白质分解与合成代谢失衡,导致肌纤维萎缩、功能下降,严重影响运动功能恢复与生活质量。目前临床上缺乏有效干预手段。电针作为传统中医治疗的重要组成部分,在延缓去神经肌萎缩方面显示出潜力,但其作用机制尚未明确。本研究聚焦于α7nAChR在去神经后肌肉维持与再生中的作用,旨在阐明其分子机制与临床转化前景。

研究发现,在去神经诱导的骨骼肌萎缩模型中,α7nAChR的表达显著下调,同时伴有炎症反应和蛋白水解通路活性升高。通过α7nAChR敲除小鼠的对比分析,证实该受体在调控线粒体代谢和肌纤维类型组成中起关键作用。在机制上,α7nAChR通过激活AKT-FOXO1信号通路,抑制炎症与凋亡,从而减轻骨骼肌降解、促进肌肉再生,表现出对去神经肌萎缩的保护效果。该研究将α7nAChR从传统的神经递质受体功能,扩展到肌肉再生与能量调控的系统性分子靶点,明确了其在防治骨骼肌萎缩中的核心角色。

这一发现不仅填补了去神经肌萎缩机制研究的空白,也为理解肌肉再生提供了新靶点。在临床转化方面,电针作为一种稳定的物理治疗手段,可通过精准调控α7nAChR这一明确靶点,实现对再生通路的干预,从而提升针灸在现代康复医学中的科学依据与临床地位,为去神经肌萎缩的干预提供新的策略与思路。

综上所述,该研究揭示了α7nAChR在去神经肌萎缩与肌肉再生中的重要作用,提出了一个可行的分子靶点,并为电针的临床应用提供了机制依据。未来工作将进一步在临床患者中验证其转化价值,并探索该通路与其他再生信号通路的协同作用,以推动基础研究与临床治疗的结合,提升康复治疗的科学性与有效性,帮助患者改善生活质量、恢复运动功能(图1)。

图1. α7nAChR介导的骨骼肌线粒体代谢和肌萎缩的生理功能

本文由药康生物在原文基础上进行编辑,旨在进行学术成果传播与模型应用案例分享。文中补充了相关实验模型的信息。版权归原研究团队所有,本推文已获授权发布。

编辑:小冰

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关于药康生物

江苏集萃药康生物科技股份有限公司(科创板代码:688046)是一家专注于实验动物小鼠模型研发、生产及非临床研究服务的国家级高新技术企业,同时是科技部认定的国家遗传工程小鼠资源库共建单位。 依托CRISPR/Cas9、ES打靶等在内的基因编辑技术,公司建立了国际一流的基因修饰动物模型研发平台,拥有近3万种自主知识产权的基因工程小鼠模型品系,其中包括基因敲除/条件性敲除小鼠品系("斑点鼠计划")、药靶基因人源化模型、复杂疾病模型、系列免疫缺陷小鼠品系、无菌小鼠品系以及用于抗体药物发现的NeoMab®全人源抗体转基因小鼠,为全球科研机构、CRO公司及医药企业提供全面的模型资源支持。公司提供从基因编辑定制(包括转基因TG、基因敲除KO、基因敲入KI及点突变PM等)、模型繁育到功能药效分析的全流程一站式服务,服务范围涵盖肿瘤、自身免疫性疾病、代谢心血管疾病、神经退行性疾病、感染性疾病及罕见病等重点疾病领域,具体包括靶点验证、药效学评价和非GLP安全性评价等临床前研究。 药康生物致力于成为全球实验动物模型领域的领导者,通过持续深化基因编辑技术的创新应用和资源整合,为生命科学研究和生物医药产业提供高质量的动物模型和技术服务,推动人类健康事业发展。

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  1. CONNECT:[ UseTime:0.000590s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000832s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000396s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000292s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000445s ]
  6. SELECT * FROM `set` [ RunTime:0.000202s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000558s ]
  8. SELECT * FROM `article` WHERE `id` = 529331 LIMIT 1 [ RunTime:0.001022s ]
  9. UPDATE `article` SET `lasttime` = 1776883903 WHERE `id` = 529331 [ RunTime:0.002599s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000258s ]
  11. SELECT * FROM `article` WHERE `id` < 529331 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000392s ]
  12. SELECT * FROM `article` WHERE `id` > 529331 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000364s ]
  13. SELECT * FROM `article` WHERE `id` < 529331 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000670s ]
  14. SELECT * FROM `article` WHERE `id` < 529331 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002368s ]
  15. SELECT * FROM `article` WHERE `id` < 529331 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001648s ]
0.079277s