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https://repositorio.ufrn.br/handle/123456789/24537
Título: | Specific phospholipids regulate the acquisition of neuronal and astroglial identities in post-mitotic cells |
Autor(es): | Montaner, Aneley Santana, Themis Taynah da Silva Schroeder, Timm Einiker-Lamas, Marcelo Girardini, Javier Costa, Marcos Romualdo Banchio, Claudia |
Palavras-chave: | glial cells;post-mitotic cells;phospholipids;cell plasticity;cell biology |
Data do documento: | 11-Jan-2018 |
Resumo: | Hitherto, the known mechanisms underpinning cell-fate specification act on neural progenitors, affecting their commitment to generate neuron or glial cells. Here, we show that particular phospholipids supplemented in the culture media modify the commitment of post-mitotic neural cells in vitro. Phosphatidylcholine (PtdCho)-enriched media enhances neuronal differentiation at the expense of astroglial and unspecified cells. Conversely, phosphatidylethanolamine (PtdEtn) enhances astroglial differentiation and accelerates astrocyte maturation. The ability of phospholipids to modify the fate of post-mitotic cells depends on its presence during a narrow time-window during cell differentiation and it is mediated by the selective activation of particular signaling pathways. While PtdCho-mediated effect on neuronal differentiation depends on cAMP-dependent kinase (PKA)/calcium responsive element binding protein (CREB), PtdEtn stimulates astrogliogenesis through the activation of the MEK/ERK signaling pathway. Collectively, our results provide an additional degree of plasticity in neural cell specification and further support the notion that cell differentiation is a reversible phenomenon. They also contribute to our understanding of neuronal and glial lineage specification in the central nervous system, opening up new avenues to retrieve neurogenic capacity in the brain. |
URI: | https://repositorio.ufrn.br/jspui/handle/123456789/24537 |
Aparece nas coleções: | ICe - Artigos publicados em periódicos |
Arquivos associados a este item:
Arquivo | Descrição | Tamanho | Formato | |
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MarcosCosta_ICe_2018_Specific phospholipids regulate.pdf | MarcosCosta_ICe_2018_Specific phospholipids regulate | 4,43 MB | Adobe PDF | Visualizar/Abrir |
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