Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse

Abstract Choroid plexus epithelial cells produce and secrete transthyretin (TTR). TTR binds and distributes thyroid hormone (TH) to brain cells via the cerebrospinal fluid. The adult murine subventricular zone (SVZ) is in close proximity to the choroid plexus. In the SVZ, TH determines neural stem c...

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Autores principales:	Pieter Vancamp, Jean-David Gothié, Cristina Luongo, Anthony Sébillot, Karine Le Blay, Lucile Butruille, Maurice Pagnin, Samantha J. Richardson, Barbara A. Demeneix, Sylvie Remaud
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/50530e8ee57b45108115e9360267f544
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spelling	oai:doaj.org-article:50530e8ee57b45108115e9360267f5442021-12-02T13:56:50ZGender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse10.1038/s41598-019-56156-w2045-2322https://doaj.org/article/50530e8ee57b45108115e9360267f5442019-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-56156-whttps://doaj.org/toc/2045-2322Abstract Choroid plexus epithelial cells produce and secrete transthyretin (TTR). TTR binds and distributes thyroid hormone (TH) to brain cells via the cerebrospinal fluid. The adult murine subventricular zone (SVZ) is in close proximity to the choroid plexus. In the SVZ, TH determines neural stem cell (NSC) fate towards a neuronal or a glial cell. We investigated whether the loss of TTR also disrupted NSC fate choice. Our results show a decreased neurogenic versus oligodendrogenic balance in the lateroventral SVZ of Ttr knockout mice. This balance was also decreased in the dorsal SVZ, but only in Ttr knockout male mice, concomitant with an increased oligodendrocyte precursor density in the corpus callosum. Quantitative RTqPCR analysis following FACS-dissected SVZs, or marked-coupled microbeads sorting of in vitro neurospheres, showed elevated Ttr mRNA levels in neuronal cells, as compared to uncommitted precursor and glial cells. However, TTR protein was undetectable in vivo using immunostaining, and this despite the presence of Ttr mRNA-expressing SVZ cells. Altogether, our data demonstrate that TTR is an important factor in SVZ neuro- and oligodendrogenesis. They also reveal important gender-specific differences and spatial heterogeneity, providing new avenues for stimulating endogenous repair in neurodegenerative diseases.Pieter VancampJean-David GothiéCristina LuongoAnthony SébillotKarine Le BlayLucile ButruilleMaurice PagninSamantha J. RichardsonBarbara A. DemeneixSylvie RemaudNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-14 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pieter Vancamp Jean-David Gothié Cristina Luongo Anthony Sébillot Karine Le Blay Lucile Butruille Maurice Pagnin Samantha J. Richardson Barbara A. Demeneix Sylvie Remaud Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
description	Abstract Choroid plexus epithelial cells produce and secrete transthyretin (TTR). TTR binds and distributes thyroid hormone (TH) to brain cells via the cerebrospinal fluid. The adult murine subventricular zone (SVZ) is in close proximity to the choroid plexus. In the SVZ, TH determines neural stem cell (NSC) fate towards a neuronal or a glial cell. We investigated whether the loss of TTR also disrupted NSC fate choice. Our results show a decreased neurogenic versus oligodendrogenic balance in the lateroventral SVZ of Ttr knockout mice. This balance was also decreased in the dorsal SVZ, but only in Ttr knockout male mice, concomitant with an increased oligodendrocyte precursor density in the corpus callosum. Quantitative RTqPCR analysis following FACS-dissected SVZs, or marked-coupled microbeads sorting of in vitro neurospheres, showed elevated Ttr mRNA levels in neuronal cells, as compared to uncommitted precursor and glial cells. However, TTR protein was undetectable in vivo using immunostaining, and this despite the presence of Ttr mRNA-expressing SVZ cells. Altogether, our data demonstrate that TTR is an important factor in SVZ neuro- and oligodendrogenesis. They also reveal important gender-specific differences and spatial heterogeneity, providing new avenues for stimulating endogenous repair in neurodegenerative diseases.
format	article
author	Pieter Vancamp Jean-David Gothié Cristina Luongo Anthony Sébillot Karine Le Blay Lucile Butruille Maurice Pagnin Samantha J. Richardson Barbara A. Demeneix Sylvie Remaud
author_facet	Pieter Vancamp Jean-David Gothié Cristina Luongo Anthony Sébillot Karine Le Blay Lucile Butruille Maurice Pagnin Samantha J. Richardson Barbara A. Demeneix Sylvie Remaud
author_sort	Pieter Vancamp
title	Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
title_short	Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
title_full	Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
title_fullStr	Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
title_full_unstemmed	Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
title_sort	gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/50530e8ee57b45108115e9360267f544
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Gender-specific effects of transthyretin on neural stem cell fate in the subventricular zone of the adult mouse

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