Abstract
Adult neural stem cell (NSC) generation in vertebrate brains requires thyroid hormones (THs). How THs enter the NSC population is unknown, although TH availability determines proliferation and neuronal versus glial progenitor determination in murine subventricular zone (SVZ) NSCs. Mice display neurological signs of the severely disabling human disease, Allan-Herndon-Dudley syndrome, if they lack both MCT8 and OATP1C1 transporters, or MCT8 and deiodinase type 2. We analyzed the distribution of MCT8 and OATP1C1 in adult mouse SVZ. Both are strongly expressed in NSCs and at a lower level in neuronal cell precursors but not in oligodendrocyte progenitors. Next, we analyzed Mct8/Oatp1c1 double-knockout mice, where brain uptake of THs is strongly reduced. NSC proliferation and determination to neuronal fates were severely affected, but not SVZ-oligodendroglial progenitor generation. This work highlights how tight control of TH availability determines NSC function and glial-neuron cell-fate choice in adult brains.
| Originalsprache | Englisch |
|---|---|
| Zeitschrift | Stem Cell Reports |
| Jahrgang | 16 |
| Ausgabenummer | 2 |
| Seiten (von - bis) | 337-353 |
| Seitenumfang | 17 |
| ISSN | 2213-6711 |
| DOIs | |
| Publikationsstatus | Veröffentlicht - 09.02.2021 |
Fördermittel
The authors would like to thank S. Sosinsky and F. Uridat for the excellent animal care. We also thank the ImagoSeine platform of the Institute Jacques Monod, Université René Descartes for the imaging advice. This work was supported by the CNRS and the EU H2020 contract Thyrage (grant n° 666869 ). H.H. and M.S. are supported by the Deutsche Forschungsgemeinschaft (DFG; TR 296/1-P01 ).
UN SDGs
Dieser Output leistet einen Beitrag zu folgendem(n) Ziel(en) für nachhaltige Entwicklung
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SDG 3 – Gesundheit und Wohlergehen
Strategische Forschungsbereiche und Zentren
- Forschungsschwerpunkt: Gehirn, Hormone, Verhalten - Center for Brain, Behavior and Metabolism (CBBM)
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