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郑州大学 Cell+1:脑科学领域又一重要发现

  • 2026-07-13 20:09:22
郑州大学 Cell+1:脑科学领域又一重要发现

一项研究重新定义了脑膜,它不仅仅是一层被动的保护屏障;更是调控大脑发育的隐形中枢。而破解自闭症、智力障碍、阿尔茨海默病等疾病的突破口就藏在脑膜的奥秘中!

近日,郑州大学医学前沿交叉学院、天健先进生物医学实验室、代谢紊乱与食管癌防治全国重点实验室李忠秋教授以共同第一作者及共同通讯作者身份,在国际权威学术期刊《细胞》(Cell)发表题为「Decoding the Spatiotemporal Development of Human Meninges」的研究论文。该研究首次系统性地破解了人类脑膜的发育规律,并颠覆性地揭示了脑膜在指挥大脑皮层构建中的关键调控作用。

长期以来,脑膜被视为包裹大脑和脊髓的静态保护性结构,其功能主要局限于提供机械保护、营养支持和维持内环境稳态。然而,李忠秋教授团队通过深入探索,彻底转变了这一传统认知。研究首次揭示了人类脑膜三层结构 —— 硬脑膜、蛛网膜和软脑膜的时序性发育规律,发现软脑膜是最早发育的「先驱」 层,各层的脑膜成纤维细胞并非惰性结构,而是主动表达与屏障特性、神经递质转运清除、突触功能调控及脂质代谢密切相关的基因。这一定位将脑膜重新定义为一个高度分区化、功能活跃的「动态微环境系统」。

在此基础上,团队深入解析了脑膜免疫微环境的建立与功能,刻画了脑膜免疫细胞显著的时空异质性,并鉴定出一类脑膜特异性的常驻巨噬细胞群体。其中,最具颠覆性的发现是,团队证实脑膜中存在一群特定的 Trem2⁺巨噬细胞,它们能够直接调控大脑皮层中最上层的「架构师」神经元 — 卡哈尔-雷特修斯(Cajal-Retzius)细胞的发育。这一发现首次在细胞与分子层面确立了「脑膜免疫细胞-大脑皮层发育」的上行调控轴线,将脑膜从一个被动的「保护套」提升为指挥大脑皮层构筑的关键「调控中枢」。

郑州大学李忠秋教授以共同一作及共同通讯作者在 Cell 发表突破性成果

该研究由郑州大学医学前沿交叉学院、天健先进生物医学实验室、代谢紊乱与食管癌防治全国重点实验室与中国科学院动物研究所、广州国家实验室等单位合作完成。研究成果为深入理解自闭症谱系障碍、智力残疾等神经发育障碍,以及阿尔茨海默病等神经退行性疾病的病理机制开辟了全新思路,也为未来开发靶向脑膜免疫微环境的创新治疗策略奠定了坚实的理论基础。

人物介绍

李忠秋,郑州大学医学前沿交叉学院、天健先进生物医学实验室(郑州大学)学科特聘教授。2021 年博士毕业于中国科学院大学,2021-2025 年在中国科学院动物研究所开展博士后研究,2026 年 2 月加入郑州大学。他以第一作者/通讯作者(含共同)在  Cell(2 篇)、 Cell Stem Cell(2 篇)、PNAS 等知名学术期刊发表 SCI 论文多篇。主持国家自然科学基金青年项目(C 类)、参与科技部重点研发青年项目,获第 17 批博士后特别资助、秉志博士后特别资助计划。获得奖项包括:麒麟科学技术奖、妇幼健康科学技术一等奖、华夏医学科技奖二等奖等。

统筹:孙保营

三审:马文亚

复审:刘二阳 李涵

初审:刘羽翀  

编辑:黄梦娴   刘铠诚

信息来源:医学前沿交叉学院

文章来源:郑州大学

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  1. CONNECT:[ UseTime:0.000606s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000896s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000308s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000348s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000618s ]
  6. SELECT * FROM `set` [ RunTime:0.000257s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000521s ]
  8. SELECT * FROM `article` WHERE `id` = 553386 LIMIT 1 [ RunTime:0.007959s ]
  9. UPDATE `article` SET `lasttime` = 1784053058 WHERE `id` = 553386 [ RunTime:0.016503s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000389s ]
  11. SELECT * FROM `article` WHERE `id` < 553386 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000628s ]
  12. SELECT * FROM `article` WHERE `id` > 553386 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005573s ]
  13. SELECT * FROM `article` WHERE `id` < 553386 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000725s ]
  14. SELECT * FROM `article` WHERE `id` < 553386 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000767s ]
  15. SELECT * FROM `article` WHERE `id` < 553386 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.015172s ]
0.120985s