A scientist in a lab analyzing a blood sample for early Alzheimer's detection, with brain scan overlays.

Un análisis de sangre puede revelar signos de alzhéimer con años de antelación

20 de junio de 2026

Reportado por IA

Imagen generada por IA

Un nuevo estudio demuestra que los análisis de sangre pueden detectar signos de alzhéimer varios años antes de que la enfermedad se desarrolle. Investigadores estadounidenses publicaron los hallazgos en The Lancet.

Investigadores estadounidenses examinaron muestras de sangre de 1 350 personas sin demencia con una edad media de 61 años en un estudio publicado en The Lancet. Se descubrió que los niveles de la proteína tau fosforilada comienzan a aumentar ya a partir de los 60 años.

86 participantes presentaron niveles elevados y obtuvieron peores resultados en pruebas cognitivas. Estos individuos también mostraron un deterioro más rápido en los seguimientos realizados cada cinco años.

Henrik Zetterberg, de la Universidad de Gotemburgo, afirma que el análisis de sangre es más sencillo que los métodos actuales. Destaca que no hay motivos para realizar pruebas generalizadas hoy en día, ya que en Suecia no existen tratamientos eficaces.

Study finds blood-cancer-linked mutations in brain immune cells tied to Alzheimer’s pathology

12 de junio de 2026 Reportado por IA Imagen generada por IA Verificado por hechos

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16 de junio de 2026 Reportado por IA

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19 de junio de 2026 07:18

Un análisis de sangre puede revelar signos de alzhéimer con años de antelación

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