La covid-19 nos revela una nueva inmunodeficiencia. episode artwork

EPISODE · Aug 18, 2020 · 10 MIN

La covid-19 nos revela una nueva inmunodeficiencia.

from Cienciaes.com

Durante el pico de la epidemia, en Holanda, dos parejas hermanos con una edad media de 26 años necesitaron ser ingresadas en el hospital y sometidas a ventilación mecánica. Uno de los cuatro no sobrevivió. Esta situación era sorprendente y los científicos decidieron estudiarla. Los investigadores intentaron encontrar alguna mutación compartida por los hermanos que afectara a algún gen implicado en la respuesta defensiva del sistema inmunitario frente al coronavirus. Esta intuición se reveló cierta. La primera pareja de hermanos mostró una mutación que había eliminado unas cuantas "letras" en el ADN del gen llamado TLR-7. La segunda pareja de hermanos también poseía una mutación en el mismo gen, TLR-7 ¿Qué función inmunitaria desempeña el gen TLR-7? Este gen es uno de los diez genes TLR con los que contamos los humanos que producen proteínas especializadas en detectar componentes moleculares de los microorganismos. La proteína TLR-7 es la encargada de detectar ARN extraño y precisamente, el genoma del coronavirus SARS-CoV-2, causante de la COVID-19, está formado por ARN. Más información en https://cienciaes.com

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La covid-19 nos revela una nueva inmunodeficiencia.

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This episode was published on August 18, 2020.

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Durante el pico de la epidemia, en Holanda, dos parejas hermanos con una edad media de 26 años necesitaron ser ingresadas en el hospital y sometidas a ventilación mecánica. Uno de los cuatro no sobrevivió. Esta situación era sorprendente y los...

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