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Baze A, Wiss L, Horbal L, Biemel K, Asselin L, Richert L. Comparison of in vitro thyroxine (T4) metabolism between Wistar rat and human hepatocyte cultures. Toxicol In Vitro 2024; 96:105763. [PMID: 38142784 DOI: 10.1016/j.tiv.2023.105763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 10/24/2023] [Accepted: 12/05/2023] [Indexed: 12/26/2023]
Abstract
In vitro assays remain relatively new in exploring human relevance of liver, in particular nuclear receptor-mediated perturbations of the hypothalamus-pituitary-thyroid axis seen in rodents, mainly in the rat. Consistent with in vivo data, we confirm that thyroid hormone thyroxine metabolism was 9 times higher in primary rat hepatocytes (PRH) than in primary human hepatocytes (PHH) cultured in a 2D sandwich (2Dsw) configuration. In addition, thyroxine glucuronide (T4-G) was by far the major metabolite formed in both species (99.1% in PRH and 69.7% in PHH) followed by thyroxine sulfate (T4-S, 0.7% in PRH and 18.1% in PHH) and triiodothyronine/reverse triiodothyronine (T3/rT3, 0.2% in PRH and 12.2% in PHH). After a 7-day daily exposure to orphan receptor-mediated liver inducers, T4 metabolism was strongly increased in PRH, almost exclusively through increased T4-G formation. These results were consistent with the inductions of glucuronosyltransferase Ugt2b1 and canalicular transporter Mrp2. PHH also responded to activation of the three nuclear receptors, with mainly induction of glucuronosyltransferase UGT1A1 and canalicular transporter MRP2. Despite this, T4 disappearance rate and secreted T4 metabolites were only slightly increased in PHH. Overall, our data highlight that cryopreserved hepatocytes in 2Dsw culture allowing long-term exposure and species comparison are of major interest in improving liver-mediated human safety assessment.
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Affiliation(s)
- Audrey Baze
- KaLy-Cell SAS, 20A rue du Général Leclerc, 67115 Plobsheim, France
| | - Lucille Wiss
- KaLy-Cell SAS, 20A rue du Général Leclerc, 67115 Plobsheim, France
| | - Liliia Horbal
- Pharmacelsus GmbH, Science Park 2, 66123 Saarbrüken, Germany
| | - Klaus Biemel
- Pharmacelsus GmbH, Science Park 2, 66123 Saarbrüken, Germany
| | - Laure Asselin
- KaLy-Cell SAS, 20A rue du Général Leclerc, 67115 Plobsheim, France
| | - Lysiane Richert
- KaLy-Cell SAS, 20A rue du Général Leclerc, 67115 Plobsheim, France; Zylan SAS, 8 rue de la Haute Corniche, 67210 Obernai, France.
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Rivera Alvarez J, Asselin L, Tilly P, Benoit R, Batisse C, Richert L, Batisse J, Morlet B, Levet F, Schwaller N, Mély Y, Ruff M, Reymann AC, Godin JD. The kinesin Kif21b regulates radial migration of cortical projection neurons through a non-canonical function on actin cytoskeleton. Cell Rep 2023; 42:112744. [PMID: 37418324 DOI: 10.1016/j.celrep.2023.112744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 05/18/2023] [Accepted: 06/19/2023] [Indexed: 07/09/2023] Open
Abstract
Completion of neuronal migration is critical for brain development. Kif21b is a plus-end-directed kinesin motor protein that promotes intracellular transport and controls microtubule dynamics in neurons. Here we report a physiological function of Kif21b during radial migration of projection neurons in the mouse developing cortex. In vivo analysis in mouse and live imaging on cultured slices demonstrate that Kif21b regulates the radial glia-guided locomotion of newborn neurons independently of its motility on microtubules. We show that Kif21b directly binds and regulates the actin cytoskeleton both in vitro and in vivo in migratory neurons. We establish that Kif21b-mediated regulation of actin cytoskeleton dynamics influences branching and nucleokinesis during neuronal locomotion. Altogether, our results reveal atypical roles of Kif21b on the actin cytoskeleton during migration of cortical projection neurons.
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Affiliation(s)
- José Rivera Alvarez
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Laure Asselin
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Peggy Tilly
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Roxane Benoit
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Claire Batisse
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Ludovic Richert
- Université de Strasbourg, 67000 Strasbourg, France; Laboratoire de Bioimagerie et Pathologies, Centre National de la Recherche Scientifique, UMR 7021, 67404 Illkirch, France
| | - Julien Batisse
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Bastien Morlet
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Florian Levet
- University of Bordeaux, CNRS, UMR 5297, Interdisciplinary Institute for Neuroscience, IINS, 33000 Bordeaux, France; University of Bordeaux, CNRS, INSERM, Bordeaux Imaging Center, BIC, UAR 3420, US 4, 33600 Pessac, France
| | - Noémie Schwaller
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Yves Mély
- Université de Strasbourg, 67000 Strasbourg, France; Laboratoire de Bioimagerie et Pathologies, Centre National de la Recherche Scientifique, UMR 7021, 67404 Illkirch, France
| | - Marc Ruff
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Anne-Cécile Reymann
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Juliette D Godin
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, IGBMC, 67404 Illkirch, France; Centre National de la Recherche Scientifique, CNRS, UMR7104, 67404 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, INSERM, U1258, 67404 Illkirch, France; Université de Strasbourg, 67000 Strasbourg, France.
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3
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Broix L, Asselin L, Silva CG, Ivanova EL, Tilly P, Gilet JG, Lebrun N, Jagline H, Muraca G, Saillour Y, Drouot N, Reilly ML, Francis F, Benmerah A, Bahi-Buisson N, Belvindrah R, Nguyen L, Godin JD, Chelly J, Hinckelmann MV. Ciliogenesis and cell cycle alterations contribute to KIF2A-related malformations of cortical development. Hum Mol Genet 2019; 27:224-238. [PMID: 29077851 DOI: 10.1093/hmg/ddx384] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/17/2017] [Indexed: 11/13/2022] Open
Abstract
Genetic findings reported by our group and others showed that de novo missense variants in the KIF2A gene underlie malformations of brain development called pachygyria and microcephaly. Though KIF2A is known as member of the Kinesin-13 family involved in the regulation of microtubule end dynamics through its ATP dependent MT-depolymerase activity, how KIF2A variants lead to brain malformations is still largely unknown. Using cellular and in utero electroporation approaches, we show here that KIF2A disease-causing variants disrupts projection neuron positioning and interneuron migration, as well as progenitors proliferation. Interestingly, further dissection of this latter process revealed that ciliogenesis regulation is also altered during progenitors cell cycle. Altogether, our data suggest that deregulation of the coupling between ciliogenesis and cell cycle might contribute to the pathogenesis of KIF2A-related brain malformations. They also raise the issue whether ciliogenesis defects are a hallmark of other brain malformations, such as those related to tubulins and MT-motor proteins variants.
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Affiliation(s)
- Loïc Broix
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France.,Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Laure Asselin
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Carla G Silva
- GIGA-Neurosciences, University of Liège, C.H.U. Sart Tilman, Liège 4000, Belgium
| | - Ekaterina L Ivanova
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Peggy Tilly
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Johan G Gilet
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Nicolas Lebrun
- Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Hélène Jagline
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Giuseppe Muraca
- Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Yoann Saillour
- Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Nathalie Drouot
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Madeline Louise Reilly
- Paris Diderot University, Paris 75013, France.,INSERM UMR 1163, Paris 75015, France.,Paris Descartes - Sorbonne Paris Cité University, Imagine Institute, Paris 75015, France
| | - Fiona Francis
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Université, Université Pierre et Marie Curie, Paris 75000, France.,Institut du Fer à Moulin, Paris 75000, France
| | - Alexandre Benmerah
- INSERM UMR 1163, Paris 75015, France.,Paris Descartes - Sorbonne Paris Cité University, Imagine Institute, Paris 75015, France
| | - Nadia Bahi-Buisson
- Paris Diderot University, Paris 75013, France.,INSERM UMR 1163, Paris 75015, France
| | - Richard Belvindrah
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Université, Université Pierre et Marie Curie, Paris 75000, France.,Institut du Fer à Moulin, Paris 75000, France
| | - Laurent Nguyen
- GIGA-Neurosciences, University of Liège, C.H.U. Sart Tilman, Liège 4000, Belgium
| | - Juliette D Godin
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Jamel Chelly
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France.,Service de Diagnostic Génétique, Hôpital Civil de Strasbourg, Hôpitaux Universitaires de Strasbourg, Strasbourg 67000, France
| | - Maria-Victoria Hinckelmann
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
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4
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Haushalter C, Asselin L, Fraulob V, Dollé P, Rhinn M. Retinoic acid controls early neurogenesis in the developing mouse cerebral cortex. Dev Biol 2017; 430:129-141. [PMID: 28790015 DOI: 10.1016/j.ydbio.2017.08.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 08/03/2017] [Accepted: 08/04/2017] [Indexed: 02/06/2023]
Abstract
A tight regulation of neuron production is required to generate a functional cerebral cortex and is achieved by a proper balance between proliferation and differentiation of progenitor cells. Though the vitamin A (retinol) active derivative retinoic acid (RA) has been implicated as one of the signals acting during mammalian forebrain neurogenesis, its function at the onset of neurogenesis as well as during establishment of cortical layers and neuronal subtypes remains elusive. One limitation is that murine mutants for genes encoding key enzymes involved in RA synthesis die during early embryonic development. We analysed corticogenesis in Rdh10 null mutants, in which an RA deficiency is generated as the intracellular retinol to retinaldehyde conversion is abolished. When analysed at the latest stage before lethality occurs (embryonic day [E]13.5), the mutants show smaller telencephalic vesicles and the thickness of their cortical plate is strongly reduced. The first progenitors formed in the cortical plate are radial glial (RG) cells which generate neurons either directly, or through an indirect mechanism involving the production of intermediate neuronal progenitors (INPs) which then give rise to neurons. We show that in absence of RA, the RG progenitors proliferate less and prematurely produce neurons, leading to their depletion at E11.5. Furthermore, we could demonstrate that lack of RA impairs the generation of INPs at E13.5 and affects the cell cycle exit of progenitor cells during corticogenesis, altogether leading to a deficit in projection neurons and to microcephaly.
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Affiliation(s)
- Carole Haushalter
- Development and Stem Cells Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, U 964, Illkirch, France; Université de Strasbourg, Illkirch, France
| | - Laure Asselin
- Development and Stem Cells Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, U 964, Illkirch, France; Université de Strasbourg, Illkirch, France
| | - Valérie Fraulob
- Development and Stem Cells Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, U 964, Illkirch, France; Université de Strasbourg, Illkirch, France
| | - Pascal Dollé
- Development and Stem Cells Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, U 964, Illkirch, France; Université de Strasbourg, Illkirch, France.
| | - Muriel Rhinn
- Development and Stem Cells Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, U 964, Illkirch, France; Université de Strasbourg, Illkirch, France.
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5
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Taggart ME, Reidy M, Asselin L. [Psychosocial aspects of certain fundamental needs of families with a child with HIV infection]. Can J Public Health 1992; 83:42-6. [PMID: 1571881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The presence of a family of a young child with AIDS, with the exception of a small number of transfusion-infected children, implies almost necessarily the presence of infected adults, usually the mother. The problem in such a situation is not that of a child with a fatal illness but that of an entire family. Our study included a sample of thirty natural caregivers. These were mostly mothers but others responsible for the care of a seropositive child, such as fathers, aunts and grandmothers, were also included. The aim of the project was to describe their perceptions of their own psychosocial needs. Our results reveal that these caregivers are economically disadvantaged. They do not know how to cope with stress and their life situation. They are not ready to confide in others because of the social stigma associated with this illness. Thus they participate unwittingly in the conspiracy of shame which denies them the aid which might help meet their needs. However, they do see the need to learn how to protect themselves and other members of the family against both HIV and other infections and to know the course and the treatments associated with this disease.
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Affiliation(s)
- M E Taggart
- Faculté des sciences infirmières, Université de Montréal
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6
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Abstract
The presence in a family of a young child with AIDS, with the exception of a small number of transfusion-infected children, implies almost necessarily the presence of an infected adult, usually the mother. The problem in such a situation is not that of a child with a fatal illness but that of an entire family. Our study included a sample of thirty natural caregivers. These were mostly mothers but others responsible for the care of a seropositive child, such as fathers, aunts and grandmothers, were also included. The aim of the project was to describe their perceptions of their own psycho-social needs. Our results reveal that these caregivers are economically disadvantaged. They need help in coping with stress and their life situation. Their need to confide in others is frequently not met. However, the need to learn how to protect themselves and other members of the family against both HIV and other infections and to know the course and the treatments associated with this disease are seen by them, both as being very important and as being well met, particularly by the health professionals who care for them.
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Affiliation(s)
- M Reidy
- Faculté des Sciences Infirmières, Université de Montréal, Québec, Canada
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Asselin L, Taggart ME, Reidy M. [Biopsychosocial aspects of childhood AIDS]. Nurs Que 1991; 11:22-30. [PMID: 2027598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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