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MicroRNAs e expressão do gene da telomerase na doença de Alzheimer

MicroRNAs e expressão do gene da telomerase na doença de Alzheimer

Ari Nabi / Raya Kh. Yashooa

87,10 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Biologia, ciencias de la vida
ISBN:
9786208074234
87,10 €
IVA incluido
Disponible

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A doença de Alzheimer (DA) é uma doença neurodegenerativa relacionada com a idade, marcada por perda de memória e défice cognitivo; é a principal causa de demência nos idosos. Devido à escassez de indicadores biológicos para o diagnóstico da DA na região, a previsão e o diagnóstico da DA, particularmente nas suas fases iniciais, continua a ser um desafio. Este estudo avaliou a expressão de microRNAs específicos (miR-146a-5p e miR-125b-5p) e genes da telomerase (transcriptase reversa da telomerase humana (hTERT) e componente do RNA da telomerase (TERC)) como um novo biomarcador precoce, não invasivo, para o diagnóstico e previsão da doença de Alzheimer.Os nossos resultados revelaram que as alterações nos níveis circulantes de miR-146a-5p e miR-125b-5p podem servir como marcadores de diagnóstico precoce e não invasivo para a previsão de doentes com AD. Além disso, mostra uma regulação negativa dos níveis de expressão dos genes hTERT e TERC na AD. Propomos que a expressão do gene da telomerase na circulação possa servir como um marcador de diagnóstico não invasivo, precoce e inovador da DA.

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