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Master's Dissertation
DOI
https://doi.org/10.11606/D.5.2023.tde-18122023-161758
Document
Author
Full name
Priscila Vilela Silveira Bueno
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2023
Supervisor
Committee
Brunoni, Andre Russowsky (President)
Carneiro, Adriana Munhoz
Silva, Daiane Priscila Simão
Goulart, Alessandra Carvalho
Title in Portuguese
Associação entre dimensões de temperamento e polimorfismos genéticos em pacientes deprimidos
Keywords in Portuguese
Depressão
Genética
Personalidade
Polimorfismo de nucleotídeo único
Temperamento
Abstract in Portuguese
Introdução: Formas de categorizar a personalidade foram propostas ao longo da história e sua associação com transtornos psiquiátricos tem sido extensivamente estudada. Algumas teorias propõem que as vias serotoninérgicas desempenhariam um papel no desenvolvimento da personalidade e nos transtornos de humor. Estudos tentaram encontrar associações entre polimorfismos genéticos e traços de personalidade, com resultados conflitantes e grandes diferenças metodológicas. Objetivo: Investigar a associação entre polimorfismos específicos das vias serotoninérgicas e diferentes domínios de temperamentos do inventário de temperamento e caráter de Cloninger (ITC). Métodos Foram selecionados 179 indivíduos do banco de dados do estudo elect-Tdcs que preencheram o ITC e colheram material genético. Regressões lineares múltiplas e de Kernel foram realizadas entre os scores de temperamento do ITC e os polimorfismos 5-HTLPPR, rs6313, rs7997012, rs1800532, rs6295 e rs878567. Resultados: Foi encontrada uma associação entre o polimorfismo rs1800532 e o score de Auto-transcendência e entre o rs7997012 com o domínio de Persistência. Para os demais domínios personalidade não foi possível encontrar nenhuma associação entre os polimorfismos estudados. Conclusão: Este estudo contribui para uma maior compreensão sobre possíveis associações entre alguns polimorfismos das vias serotoninérgicas e escores do ITC em uma população de deprimidos no Brasil. Porém, mais estudos são necessários para melhor compreensão de tais achados
Title in English
Association between temperament dimensions and genetic polymorphisms in depressed patients
Keywords in English
Depression
Genetics
Personality
Polymorphism single nucleotide
Temperament
Abstract in English
Introduction: Ways to categorize personality and association with psychiatric disorders have been extensively studied. Some theories propose that serotonergic pathways could be involved in personality development and mood disorders. Previous studies tried to find associations between genetic polymorphisms and personality traits, with conflicting results and major methodological differences. Objective: To investigate an association between specific polymorphisms of serotonergic pathways and temperament scores from Temperament and Character Inventory (TCI). Methods: 179 subjects were selected from the ELECT-tDCS study database. Temperament dimensions were assessed by TCI and genetic material collected. Multiple linear regressions and Kernel regressions were performed between TCI temperament scores and the polymorphisms 5-HTLPPR, rs6313, rs7997012, rs1800532, rs6295 and rs878567. Results: An association was found between rs1800532 polymorphism and Self Transcendence and between rs7997012 and Persistence. For other personality traits it was not possible to find any relationship between the polymorphisms studied. Conclusions: This study contributes to a better understanding of possible associations between certain polymorphisms in the serotonergic pathways and ITC scores in a population of depressed individuals in Brazil. However, further studies are needed to gain a better understanding of these findings
 
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Publishing Date
2024-01-08
 
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