{"id":39566,"date":"2020-04-14T06:30:12","date_gmt":"2020-04-14T04:30:12","guid":{"rendered":"https:\/\/naturopatiadigital.eu\/?p=39566"},"modified":"2020-04-14T06:30:12","modified_gmt":"2020-04-14T04:30:12","slug":"39566","status":"publish","type":"post","link":"https:\/\/rina.naturopatiadigital.eu\/?p=39566","title":{"rendered":"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva: \u00abEl ciclo del hierro y el estr\u00e9s oxidativo en el pulm\u00f3n\u00bb"},"content":{"rendered":"<p><a href=\"https:\/\/1.bp.blogspot.com\/-iHmHXZ-8nEQ\/XpYRQssgJKI\/AAAAAAAAcMM\/0ZHu_fgf_TEMp2cMui27-z2_EqpqJ0DlACLcBGAsYHQ\/s1600\/Free_Radical_Biology_Medicine.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/1.bp.blogspot.com\/-iHmHXZ-8nEQ\/XpYRQssgJKI\/AAAAAAAAcMM\/0ZHu_fgf_TEMp2cMui27-z2_EqpqJ0DlACLcBGAsYHQ\/s320\/Free_Radical_Biology_Medicine.jpg\" width=\"240\" height=\"320\" border=\"0\" data-original-width=\"576\" data-original-height=\"768\" \/><\/a>Turi, J. L., Yang, F., Garrick, M. D., Piantadosi, C. A., &amp; Ghio, A. J. (2004).\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0891584904000024\">The iron cycle and oxidative stress in the lung.<\/a>\u00a0<i>Free Radical Biology and Medicine<\/i>, 36(7), 850-857.<\/p>\n<p>El hierro es cr\u00edtico para muchos aspectos de la funci\u00f3n celular, pero tambi\u00e9n puede generar especies reactivas de ox\u00edgeno que pueden da\u00f1ar las macromol\u00e9culas biol\u00f3gicas. Para limitar el estr\u00e9s oxidativo, la adquisici\u00f3n de hierro y su distribuci\u00f3n deben estar estrictamente reguladas.\u00a0<\/p>\n<div>\u00a0<\/div>\n<div>En los pulmones, que est\u00e1n expuestos continuamente a la atm\u00f3sfera, el riesgo de da\u00f1o oxidativo es particularmente alto debido a la alta concentraci\u00f3n de ox\u00edgeno y la presencia de cantidades significativas de hierro catal\u00edticamente activo en part\u00edculas atmosf\u00e9ricas. Debe existir un sistema efectivo de desintoxicaci\u00f3n de metales para minimizar la generaci\u00f3n asociada de estr\u00e9s oxidativo en los pulmones.\u00a0<\/div>\n<div>\u00a0<\/div>\n<div>Aqu\u00ed resumimos la evidencia de que una cantidad de prote\u00ednas espec\u00edficas que controlan la absorci\u00f3n de hierro en el tracto gastrointestinal tambi\u00e9n se emplean en el pulm\u00f3n para transportar hierro a las c\u00e9lulas epiteliales y secuestrarlo en una forma catal\u00edticamente inactiva en ferritina. Adem\u00e1s, estas y otras prote\u00ednas facilitan la liberaci\u00f3n de ferritina de las c\u00e9lulas pulmonares a los fluidos de revestimiento epitelial y bronquial para su eliminaci\u00f3n por el sistema mucociliar o al sistema reticuloendotelial para el almacenamiento a largo plazo de hierro.\u00a0<\/div>\n<div>\u00a0<\/div>\n<div>Estas v\u00edas parecen ser el mecanismo principal para el control del estr\u00e9s oxidativo presentado por el hierro en el tracto respiratorio. estas y otras prote\u00ednas facilitan la liberaci\u00f3n de ferritina de las c\u00e9lulas pulmonares a los fluidos de revestimiento epitelial y bronquial para su eliminaci\u00f3n por el sistema mucociliar o al sistema reticuloendotelial para el almacenamiento a largo plazo de hierro.\u00a0<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Turi, J. L., Yang, F., Garrick, M. D., Piantadosi, C. A., &amp; Ghio, A. J. (2004).\u00a0The iron cycle and oxidative stress in the lung.\u00a0Free Radical Biology and Medicine, 36(7), 850-857. El hierro es cr\u00edtico para muchos aspectos de la funci\u00f3n celular, pero tambi\u00e9n puede generar especies reactivas de ox\u00edgeno que pueden da\u00f1ar las macromol\u00e9culas biol\u00f3gicas. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-39566","post","type-post","status-publish","format-standard","hentry","category-naturopatia-descriptiva"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva: &quot;El ciclo del hierro y el estr\u00e9s oxidativo en el pulm\u00f3n&quot; -<\/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:\/\/rina.naturopatiadigital.eu\/?p=39566\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva: &quot;El ciclo del hierro y el estr\u00e9s oxidativo en el pulm\u00f3n&quot; -\" \/>\n<meta property=\"og:description\" content=\"Turi, J. L., Yang, F., Garrick, M. D., Piantadosi, C. A., &amp; Ghio, A. J. (2004).\u00a0The iron cycle and oxidative stress in the lung.\u00a0Free Radical Biology and Medicine, 36(7), 850-857. El hierro es cr\u00edtico para muchos aspectos de la funci\u00f3n celular, pero tambi\u00e9n puede generar especies reactivas de ox\u00edgeno que pueden da\u00f1ar las macromol\u00e9culas biol\u00f3gicas. 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