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On cognitive ecology and the environmental factors that promote Alzheimer disease: lessons from Octodon degus (Rodentia: Octodontidae) Biol. Res.
Rivera,Daniela S.; Inestrosa,Nibaldo C.; Bozinovic,Francisco.
Cognitive ecologist posits that the more efficiently an animal uses information from the biotic and abiotic environment, the more adaptive are its cognitive abilities. Nevertheless, this approach does not test for natural neurodegenerative processes under field or experimental conditions, which may recover animals information processing and decision making and may explain, mechanistically, maladaptive behaviors. Here, we call for integrative approaches to explain the relationship between ultimate and proximate mechanisms behind social behavior. We highlight the importance of using the endemic caviomorph rodent Octodon degus as a valuable natural model for mechanistic studies of social behavior and to explain how physical environments can shape social...
Tipo: Journal article Palavras-chave: Cognitive ecology; Octodon degus; Social behavior; Stress; Aging; Alzheimer's disease.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100010
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Special series on trending themes in Neurobiology in Biological Research Biol. Res.
Inestrosa,Nibaldo C.; Santos,Manuel J..
Tipo: Journal article
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100019
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Wnt-5a-regulated miR-101b controls COX2 expression in hippocampal neurons Biol. Res.
Codocedo,Juan Francisco; Inestrosa,Nibaldo C..
BACKGROUND: Wnt-5a is a member of the WNT family of secreted lipoglycoproteins, whose expression increases during development; moreover, Wnt-5a plays a key role in synaptic structure and function in the adult nervous system. However, the mechanism underlying these effects is still elusive. MicroRNAs (miRNAs) are a family of small non-coding RNAs that control the gene expression of their targets through hybridization with complementary sequences in the 3' UTR, thereby inhibiting the translation of the target proteins. Several evidences indicate that the miRNAs are actively involved in the regulation of neuronal function RESULTS: In the present study, we examined whether Wnt-5a modulates the levels of miRNAs in hippocampal neurons. Using PCR arrays, we...
Tipo: Journal article
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100009
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