{"id":2517,"date":"2022-06-28T07:29:56","date_gmt":"2022-06-28T10:29:56","guid":{"rendered":"https:\/\/elcanillita.info\/press\/?p=2517"},"modified":"2022-06-28T07:29:57","modified_gmt":"2022-06-28T10:29:57","slug":"son-anticuerpos-enloquecidos-la-causa-que-infecta-covid-a-personas-vacunadas","status":"publish","type":"post","link":"https:\/\/elcanillita.info\/press\/2022\/06\/28\/son-anticuerpos-enloquecidos-la-causa-que-infecta-covid-a-personas-vacunadas\/","title":{"rendered":"Son anticuerpos enloquecidos la causa que infecta Covid a personas vacunadas"},"content":{"rendered":"
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\n\nLos anticuerpos locos son los culpables de encontrar personas de riesgo<\/b>
\nSe ha resuelto uno de los enigmas m\u00e1s misteriosos relacionados con Covid-19: se ha descubierto por qu\u00e9 algunas personas vacunadas acaban enfermando y desarrollando una grave neumon\u00eda que les lleva a ingresar en cuidados intensivos.\n
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\nAlgunos anticuerpos “enloquecidos” (autoanticuerpos), ya presentes antes de la infecci\u00f3n y de la vacunaci\u00f3n, son los culpables de ello y debilitan la respuesta inmunitaria innata contra el virus. As\u00ed lo demuestra un estudio publicado en Science Immunology por un equipo internacional en el que han participado el Asst Spedali Civili de Brescia, el Irccs Policlinico San Matteo de Pav\u00eda, el Irccs Ospedale Bambino Ges\u00f9 de Roma y la Universidad de Roma Tor Vergata.
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\n“Es la primera vez que se explica por qu\u00e9 algunos vacunados acaban en cuidados intensivos”, comenta el genetista Giuseppe Novelli, de la Universidad de Roma Tor Vergata, uno de los autores del estudio.

\n“El resultado obtenido confirma y ampl\u00eda nuestros estudios anteriores, que hab\u00edan demostrado la presencia de autoanticuerpos capaces de neutralizar altas concentraciones de interfer\u00f3n tipo I en al menos el 10% de las personas no vacunadas con neumon\u00eda cr\u00edtica Covid-19”. Esto se confirm\u00f3 al estudiar una muestra de 48 pacientes (con edades comprendidas entre los 20 y los 86 a\u00f1os) que hab\u00edan recibido dos dosis de la vacuna de ARNm contra el virus SarsCoV2 y, a pesar de ello, hab\u00edan contra\u00eddo la infecci\u00f3n entre dos semanas y cuatro meses despu\u00e9s, lo que les provoc\u00f3 una neumon\u00eda grave.

\nEn cada uno de ellos, los investigadores midieron la presencia de autoanticuerpos contra el interfer\u00f3n (Ifn), los niveles de anticuerpos contra el Covid desarrollados como resultado de la vacuna y su capacidad para neutralizar el virus. Los resultados indican que casi todos los pacientes (42 de 48) hab\u00edan desarrollado regularmente anticuerpos contra el Covid-19 gracias a la vacunaci\u00f3n: 10 de ellos, sin embargo, aunque hab\u00edan producido anticuerpos capaces de neutralizar el virus SarsCoV2 (como se demostr\u00f3 en los experimentos con tubos de ensayo), tambi\u00e9n ten\u00edan autoanticuerpos contra el interfer\u00f3n, suficientes para debilitar sus defensas.\n

\nPor lo tanto, la presencia de autoanticuerpos anti-Ifn subyace a un defecto de respuesta en la inmunidad intr\u00ednseca que realmente super\u00f3 la inmunidad adaptativa normal inducida por la vacunaci\u00f3n”, se\u00f1ala Novelli. “Estos datos, combinados con los de estudios anteriores, sugieren por tanto la necesidad de estudiar la presencia de autoanticuerpos anti-Ifn para identificar a los individuos con alto riesgo de padecer la enfermedad de Covid-19.”\n

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\u00a9 2022 PanPress.eu \/ SalaStampa.eu \u2013 ElCanillita.info \u2013 Informaci\u00f3n de dominio p\u00fablico<\/small><\/center> \n

\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Se ha resuelto uno de los enigmas m\u00e1s misteriosos relacionados con Covid-19<\/p>\n","protected":false},"author":1,"featured_media":1722,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[24,78],"tags":[35],"class_list":["post-2517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-tecnologia","category-sanidad","tag-mundo","entry","double"],"yoast_head":"\nSon anticuerpos enloquecidos la causa que infecta Covid a personas vacunadas - ElCanillita.Info<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elcanillita.info\/press\/2022\/06\/28\/son-anticuerpos-enloquecidos-la-causa-que-infecta-covid-a-personas-vacunadas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Son anticuerpos enloquecidos la causa que infecta Covid a personas vacunadas - 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