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fcell-10-886110.pdf (2.58 MB)

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2022-05-16

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cc by (c) López Mengual, Ana et al, 2022
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/187028

Involvement of Mechanical Cues in the Migration of Cajal-Retzius Cells in the Marginal Zone During Neocortical Development

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https://doi.org/10.3389/fcell.2022.886110

Resum

Emerging evidence points to coordinated action of chemical and mechanical cues during brain development. At early stages of neocortical development, angiogenic factors and chemokines such as CXCL12, ephrins, and semaphorins assume crucial roles in orchestrating neuronal migration and axon elongation of postmitotic neurons. Here we explore the intrinsic mechanical properties of the developing marginal zone of the pallium in the migratory pathways and brain distribution of the pioneer Cajal-Retzius cells. These neurons are generated in several proliferative regions in the developing brain (e.g., the cortical hem and the pallial subpallial boundary) and migrate tangentially in the preplate/marginal zone covering the upper portion of the developing cortex. These cells play crucial roles in correct neocortical layer formation by secreting several molecules such as Reelin. Our results indicate that the motogenic properties of Cajal-Retzius cells and their perinatal distribution in the marginal zone are modulated by both chemical and mechanical factors, by the specific mechanical properties of Cajal-Retzius cells, and by the differential stiffness of the migratory routes. Indeed, cells originating in the cortical hem display higher migratory capacities than those generated in the pallial subpallial boundary which may be involved in the differential distribution of these cells in the dorsal-lateral axis in the developing marginal zone.

Matèries

Neurobiologia del desenvolupament, Cervell

Matèries (anglès)

Developmental neurobiology, Brain

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Col·leccions

Articles publicats en revistes (Biologia Cel·lular, Fisiologia i Immunologia)
Articles publicats en revistes (IDIBAPS: Institut d'investigacions Biomèdiques August Pi i Sunyer)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))
Articles publicats en revistes (Institut de Bioenginyeria de Catalunya (IBEC))

Citació

LÓPEZ MENGUAL, Ana, SEGURA FELIU, Miriam, SUNYER, Raimon, SANZ FRAILE, Héctor, OTERO DÍAZ, Jorge, MESQUIDA VENY, Francina, GIL FERNÁNDEZ, Vanessa, HERVERA ABAD, Arnau, FERRER, Isidro (ferrer abizanda), SORIANO I FRADERA, Jordi, TREPAT GUIXER, Xavier, FARRÉ VENTURA, Ramon, NAVAJAS NAVARRO, Daniel, RÍO FERNÁNDEZ, José antonio del. Involvement of Mechanical Cues in the Migration of Cajal-Retzius Cells in the Marginal Zone During Neocortical Development. _Frontiers in Cell and Developmental Biology_. 2022. Vol. 10. [consulta: 24 de gener de 2026]. ISSN: 2296-634X. [Disponible a: https://hdl.handle.net/2445/187028]

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