Outer radial glia promotes white matter regeneration after neonatal brain injury.

IF 11.7 1区医学 Q1 CELL BIOLOGY

Cell Reports Medicine Pub Date : 2025-03-18 Epub Date: 2025-02-28 DOI:10.1016/j.xcrm.2025.101986

Hideo Jinnou, Lauren M Rosko, Satoshi Yamashita, Soichiro Henmi, Jaya Prasad, Van K Lam, Artur Agaronyan, Tsang-Wei Tu, Yuka Imamura, Kazuya Kuboyama, Kazunobu Sawamoto, Kazue Hashimoto-Torii, Nobuyuki Ishibashi, Vittorio Gallo

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引用次数: 0

Abstract

The developing gyrencephalic brain contains a large population of neural stem cells in the ventricular zone and outer subventricular zone (OSVZ), the latter populated by outer radial glia (oRG). The role of oRG during postnatal development is not well understood. We show that oRG cells increase proliferative capacity and contribute to oligodendrocyte precursor cell (OPC) production following brain injury in human infants and neonatal piglets, whose brains resemble the human brain in structure and development. RNA sequencing revealed oRG-specific transcriptional responses to injury in piglets and showed that the activating transcription factor 5 (ATF5) pathway positively regulates oRG proliferation. Intranasal activation of ATF5 using salubrinal enhanced OSVZ-derived oligodendrogenesis in the injured periventricular white matter and improved functional recovery. These results reveal a key role for postnatal oRG in brain injury recovery and identify ATF5 as a potential therapeutic target for treating white matter injury in infants.

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来源期刊

Cell Reports Medicine Biochemistry, Genetics and Molecular Biology-Biochemistry, Genetics and Molecular Biology (all)

CiteScore

15.00

自引率

1.40%

发文量

231

审稿时长

40 days

期刊介绍： Cell Reports Medicine is an esteemed open-access journal by Cell Press that publishes groundbreaking research in translational and clinical biomedical sciences, influencing human health and medicine. Our journal ensures wide visibility and accessibility, reaching scientists and clinicians across various medical disciplines. We publish original research that spans from intriguing human biology concepts to all aspects of clinical work. We encourage submissions that introduce innovative ideas, forging new paths in clinical research and practice. We also welcome studies that provide vital information, enhancing our understanding of current standards of care in diagnosis, treatment, and prognosis. This encompasses translational studies, clinical trials (including long-term follow-ups), genomics, biomarker discovery, and technological advancements that contribute to diagnostics, treatment, and healthcare. Additionally, studies based on vertebrate model organisms are within the scope of the journal, as long as they directly relate to human health and disease.