Os fatores genéticos relacionados ao borderline, segundo o maior estudo sobre o tema

O maior estudo genético já feito sobre o transtorno de personalidade borderline identificou novos fatores de risco para a condição.

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A pesquisa reuniu dados de mais de 1 milhão de pessoas em 14 países e foi publicada na revista Nature Genetics.

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Os cientistas encontraram 11 regiões do genoma e nove genes possivelmente ligados ao desenvolvimento do transtorno.

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Isso não significa que exista um "gene do borderline". A condição é influenciada por muitos genes e fatores ambientais.

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Estudos anteriores estimavam que a hereditariedade responde por cerca de 46% a 69% do risco de desenvolver o transtorno.

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As variantes identificadas explicam aproximadamente 17% desse risco hereditário, segundo os pesquisadores.

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O estudo também encontrou semelhanças genéticas entre o borderline e condições como depressão, TDAH e TEPT.

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Os autores destacam que os resultados ajudam a compreender melhor a biologia do transtorno, mas não mudam o diagnóstico.

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Ainda não existe um medicamento específico para o borderline. Atualmente, o tratamento é baseado principalmente em psicoterapia.

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