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La prueba de biomarcadores inmunes no invasivos de la piel ayuda a predecir el desarrollo de eczema en los bebés, según un nuevo estudio presentado en el Congreso de la EADV.
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EADV

Sep 06, 2022, 18:01 ET

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MILÁN, 6 de septiembre de 2022 /PRNewswire/ -- Los investigadores han identificado un biomarcador inmune en recién nacidos que puede predecir la posterior aparición y gravedad del eczema atópico pediátrico, según un nuevo estudio presentado en el 31.o Congreso de la Academia Europea de Dermatología y Venereología (EADV).

El estudio Barrier dysfunction in Atopic newBorns (BABY) analizó una cohorte de 450 bebés (300 a término y 150 prematuros) para examinar si la barrera cutánea y los biomarcadores inmunes podrían predecir la aparición y gravedad del eczema durante los primeros dos años de vida.

Se descubrió que tanto los bebés a término como los prematuros con niveles elevados de quimiocina con activación regulada del timo (TARC) a los dos meses tenían más del doble de probabilidades de desarrollar eczema a la edad de dos años. Este mayor riesgo siguió prevaleciendo después de ajustar la atopia de los padres (cuando el sistema inmunológico era más sensible a las enfermedades alérgicas) y las mutaciones del gen de la filagrina, que es un importante factor de predisposición al eczema. El estudio descubrió una asociación positiva entre el nivel de TARC y la gravedad del eczema.

Los investigadores utilizaron tiras de cinta adhesiva para recolectar de forma indolora y no invasiva las células de la piel del dorso de las manos de los bebés de 0 a 3 días —y de 2 meses en los niños a término— y de la piel entre los omóplatos a los 2 meses de edad en los prematuros. Se analizaron las tiras en busca de biomarcadores inmunes y se realizó seguimiento a los bebés durante los siguientes dos años.

La Dra. Anne-Sofie Halling del Hospital Bispebjerg de la Universidad de Copenhague, autora principal y coinvestigadora, comentó: "Por lo que sabemos, es la primera vez que se demuestra que los biomarcadores cutáneos recolectados de forma no invasiva pueden utilizarse para predecir la posterior aparición y gravedad del eczema atópico pediátrico".

"El estudio nos ayudará a investigar y crear futuras estrategias de prevención para los niños con niveles elevados de TARC a fin de ayudar a detener el desarrollo de esta enfermedad común y debilitante, que es una posibilidad muy emocionante".

El eczema afecta hasta el 20 % de la población pediátrica y los diagnósticos siguen aumentando.

"La prueba es indolora y fácil de realizar, y puede ayudarnos a identificar los cambios cutáneos que ocurren antes del desarrollo del eczema, en particular en las formas más graves de la enfermedad. Esto proporciona una ventana de oportunidad para desarrollar pruebas focalizadas y evitar que se produzcan casos de eczema", concluyó la Dra. Anne-Sofie Halling.

FUENTE EADV

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