E4F1 and its Role in Brain Development and Pyruvate Metabolism
Author Information
Author(s): Di Michele Michela, Attina Aurore, Roux Pierre-François, Tabet Imène, Laguesse Sophie, Florido Javier, Houdeville Morane, Choquet Armelle, Encislai Betty, Arena Giuseppe, De Blasio Carlo, Wendling Olivia, Frenois François-Xavier, Papon Laura, Stuani Lucille, Fuentes Maryse, Jahannault Talignani Céline, Rousseau Mélanie, Guégan Justine, Buscail Yoan, Dupré Pierrick, Michaud Henri-Alexandre, Rodier Geneviève, Bellvert Floriant, Kulyk Hanna, Ferraro Peyret Carole, Mathieu Hugo, Close Pierre, Rapino Francesca, Chaveroux Cédric, Pirot Nelly, Rubio Lucie, Torro Adeline, Sorg Tania, Ango Fabrice, Hirtz Christophe, Compan Vincent, Lebigot Elise, Legati Andrea, Ghezzi Daniele, Nguyen Laurent, David Alexandre, Sardet Claude, Lacroix Matthieu, Le Cam Laurent
Primary Institution: Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Univ. Montpellier, Institut régional du Cancer de Montpellier (ICM), Montpellier, France
Hypothesis
E4F1 coordinates pyruvate metabolism and the activity of the elongator complex to ensure translation fidelity during brain development.
Conclusion
E4F1 is crucial for maintaining translation fidelity and preventing neuronal cell death during brain development by regulating pyruvate metabolism.
Supporting Evidence
- E4F1 deficiency leads to severe brain defects and microcephaly.
- E4F1 regulates the expression of genes involved in pyruvate metabolism.
- Impaired E4F1 function results in increased neuronal cell death.
- Altered tRNA modifications were observed in E4F1-deficient neurons.
- E4F1 coordinates the activity of the Elongator complex.
- Neonatal lethality was observed in E4F1-deficient mice.
- PDH activity was significantly impaired in E4F1-deficient brains.
- ISR induction was linked to neuronal cell death in E4F1-deficient models.
Takeaway
E4F1 helps the brain grow properly by making sure that the energy from food is used correctly, which is important for making proteins that keep brain cells alive.
Methodology
The study used genetically engineered mouse models and primary neuronal cells to investigate the role of E4F1 in pyruvate metabolism and translation fidelity.
Limitations
The study primarily focuses on mouse models, which may not fully replicate human conditions.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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