2014
DOI: 10.1590/s0103-73312014000300006
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A epigenética como nova hipótese etiológica no campo psiquiátrico contemporâneo

Abstract: Resumo: Nas últimas décadas, as teorias neurocientíficas passaram a ser adotadas como explicação primordial para a etiologia dos transtornos mentais. Com o objetivo de encontrar os fundamentos dos transtornos, as investigações priorizaram a carga genética e o funcionamento cerebral. A partir da valorização da determinação biológica das doenças e do surgimento de variadas tecnologias de pesquisa médica, aventou-se a possibilidade de que as causas dos transtornos fossem, finalmente, compreendidas. No entanto, di… Show more

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Cited by 5 publications
(4 citation statements)
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References 41 publications
(48 reference statements)
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“…As creator of the term epigenetics, Waddington's intuition was that the process would consist of several concatenated, network-articulated mechanisms in a way that any earlystage modification could bring gradual but continuous modifications to the subsequent stages, thus reaching a larger number of tissues and organs, and making distinct phenotype modifications. 33 Similar to the vital principle or organic vital force, the genome also presents characteristics and properties of complex and dynamic self-organisation systems, opposing the deterministic and reductionistic approach described in the paradigm of molecular biology. 34 As described by Jura et al, 35 advances in the epigenetics field indicate that the phenotype manifested by each individual emerges from a complex interaction between genome and the different environmental factors (epigenome).…”
Section: Correlation Of Genetics With the Paradigm Of Complexitymentioning
confidence: 99%
“…As creator of the term epigenetics, Waddington's intuition was that the process would consist of several concatenated, network-articulated mechanisms in a way that any earlystage modification could bring gradual but continuous modifications to the subsequent stages, thus reaching a larger number of tissues and organs, and making distinct phenotype modifications. 33 Similar to the vital principle or organic vital force, the genome also presents characteristics and properties of complex and dynamic self-organisation systems, opposing the deterministic and reductionistic approach described in the paradigm of molecular biology. 34 As described by Jura et al, 35 advances in the epigenetics field indicate that the phenotype manifested by each individual emerges from a complex interaction between genome and the different environmental factors (epigenome).…”
Section: Correlation Of Genetics With the Paradigm Of Complexitymentioning
confidence: 99%
“…Esse conceito oferece suporte teórico para a investigação da possibilidade de modificação das estruturas neuronais a partir do ambiente, favorecendo um novo olhar quanto às questões etiológicas. Trata-se de um modelo que considera a ligação entre as questões de ordem genética e os fatores ambientais, considerando as alterações intracelulares no material genético do organismo (Freitas-Silva & Ortega, 2014).…”
Section: Reflexões Sobre a Prevençãounclassified
“…Since later work failed to replicate the few associations found in these studies, researchers began to reinterpret the original results 20 . The principal hypothesis for the difficulty in replicating the positive results relates to a respective gene's limited role in determination of a disorder, that is, the biological marker contributes to the formation of the disease, but it is unable to answer exclusively for its etiology, having a limited final effect on determination of the disease.…”
Section: Genetic Inheritance and The Environmentmentioning
confidence: 99%