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Genes related to fatty acid β-oxidation play a role in the functional decline of the drosophila brain with age

AutorLaranjeira, Antonio; Schulz, Joachim; Dotti, Carlos G.
Fecha de publicación12-ago-2016
EditorPublic Library of Science
CitaciónPLoS ONE 11 (2016)
ResumenIn living organisms, ageing is widely considered to be the result of a multifaceted process consisting of the progressive accumulation of damage over time, having implications both in terms of function and survival. The study of ageing presents several challenges, from the different mechanisms implicated to the great diversity of systems affected over time. In the current study, we set out to identify genes involved in the functional decline of the brain with age and study its relevance in a tissue dependent manner using Drosophila melanogaster as a model system. Here we report the age-dependent upregulation of genes involved in the metabolic process of fatty acid β-oxidation in the nervous tissue of female wild-type flies. Downregulation of CG10814, dHNF4 and lipid mobilizing genes bmm and dAkh rescues the functional decline of the brain with age, both at the cellular and behaviour level, while over-expression worsens performance. Our data proposes the occurrence of a metabolic alteration in the fly brain with age, whereby the process of β-oxidation of fatty acids experiences a genetic gain-of-function. This event proved to be one of the main causes contributing to the functional decline of the brain with age.
URIhttp://hdl.handle.net/10261/151470
DOI10.1371/journal.pone.0161143
Identificadoresdoi: 10.1371/journal.pone.0161143
issn: 1932-6203
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