Regional differences in progenitor metabolism shape brain growth during development
Mammals have particularly large forebrains compared with other brain parts, yet the developmental mechanisms underlying this regional expansion remain poorly understood. Here, we provide a single-cell-resolution birthdate atlas of the mouse brain (www.neurobirth.org), which reveals that while hindbr...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
June 26, 2025
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| In: |
Cell
Year: 2025, Jahrgang: 188, Heft: 13, Pages: 3567-3582.e20 |
| ISSN: | 1097-4172 |
| DOI: | 10.1016/j.cell.2025.04.003 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.cell.2025.04.003 Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0092867425004052 
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| Verfasserangaben: | Natalia Baumann, Robin J. Wagener, Awais Javed, Eleonora Conti, Philipp Abe, Andrea Lopes, Roberto Sansevrino, Adrien Lavalley, Elia Magrinelli, Timea Szalai, Daniel Fuciec, Clothilde Ferreira, Sabine Fièvre, Andreane Fouassier, Davide D’Amico, Oliver Harschnitz, and Denis Jabaudon |
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| 245 | 1 | 0 | |a Regional differences in progenitor metabolism shape brain growth during development |c Natalia Baumann, Robin J. Wagener, Awais Javed, Eleonora Conti, Philipp Abe, Andrea Lopes, Roberto Sansevrino, Adrien Lavalley, Elia Magrinelli, Timea Szalai, Daniel Fuciec, Clothilde Ferreira, Sabine Fièvre, Andreane Fouassier, Davide D’Amico, Oliver Harschnitz, and Denis Jabaudon |
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| 520 | |a Mammals have particularly large forebrains compared with other brain parts, yet the developmental mechanisms underlying this regional expansion remain poorly understood. Here, we provide a single-cell-resolution birthdate atlas of the mouse brain (www.neurobirth.org), which reveals that while hindbrain neurogenesis is transient and restricted to early development, forebrain neurogenesis is temporally sustained through reduced consumptive divisions of ventricular zone progenitors. This atlas additionally reveals region-specific patterns of direct and indirect neurogenesis. Using single-cell RNA sequencing, we identify evolutionarily conserved cell-cycle programs and metabolism-related molecular pathways that control regional temporal windows of proliferation. We identify the late neocortex-enriched mitochondrial protein FAM210B as a key regulator using in vivo gain- and loss-of-function experiments. FAM210B elongates mitochondria and increases lactate production, which promotes progenitor self-replicative divisions and, ultimately, the larger clonal size of their progeny. Together, these findings indicate that spatiotemporal heterogeneity in mitochondrial function regulates regional progenitor cycling behavior and associated clonal neuronal production during brain development. | ||
| 650 | 4 | |a brain development | |
| 650 | 4 | |a metabolism | |
| 650 | 4 | |a mitochondria dynamics | |
| 650 | 4 | |a progenitor diversity | |
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