{"id":39560,"date":"2020-04-14T04:30:45","date_gmt":"2020-04-14T02:30:45","guid":{"rendered":"https:\/\/naturopatiadigital.eu\/?p=39560"},"modified":"2020-04-14T04:30:45","modified_gmt":"2020-04-14T02:30:45","slug":"39560","status":"publish","type":"post","link":"https:\/\/rina.naturopatiadigital.eu\/?p=39560","title":{"rendered":"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva: \u00abInhibici\u00f3n de la funci\u00f3n tensioactiva pulmonar por fosfolipasas\u00bb"},"content":{"rendered":"<p><a href=\"https:\/\/1.bp.blogspot.com\/-JaBDcGw5QmU\/XpYMgs_dPAI\/AAAAAAAAcL8\/vhKBlewSTfEn6k6Mo__1_18tPDsEk_WwACLcBGAsYHQ\/s1600\/Journal_Applied%2BPhysiology2.jpg\"><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/1.bp.blogspot.com\/-JaBDcGw5QmU\/XpYMgs_dPAI\/AAAAAAAAcL8\/vhKBlewSTfEn6k6Mo__1_18tPDsEk_WwACLcBGAsYHQ\/s1600\/Journal_Applied%2BPhysiology2.jpg\" border=\"0\" data-original-width=\"197\" data-original-height=\"256\" \/><\/a>Holm, B. A., Keicher, L., Liu, M. Y., Sokolowski, J., &amp; Enhorning, G. (1991<a href=\"https:\/\/journals.physiology.org\/doi\/abs\/10.1152\/jappl.1991.71.1.317\">). Inhibition of pulmonary surfactant function by phospholipases<\/a>.\u00a0<i>Journal of Applied Physiology,<\/i>\u00a071(1), 317-321.<\/p>\n<p>FONDO: Estudios previos han demostrado que la insuficiencia respiratoria asociada con trastornos como la pancreatitis aguda se correlaciona bien con el aumento de los niveles de fosfolipasa A2 (PLA2) en los lavados pulmonares y que la administraci\u00f3n intratraqueal de PLA2 genera una lesi\u00f3n pulmonar aguda. Adem\u00e1s, se ha demostrado que bacterias como Pseudomonas secretan fosfolipasa C (PLC).\u00a0<\/p>\n<p>OBJETIVO \/ M\u00c9TODO: Estudiamos los efectos de estas fosfolipasas en la actividad del surfactante pulmonar usando un surfact\u00f3metro de burbuja pulsante.\u00a0<\/p>\n<p>RESULTADOS: Concentraciones mayores o iguales a 0.1 unidades \/ ml de PLA2 destruyeron la actividad biof\u00edsica del surfactante, aumentando la tensi\u00f3n superficial al tama\u00f1o m\u00ednimo de burbuja de menos de 1 a 15 mN \/ m. Esta inactivaci\u00f3n del tensioactivo se relacion\u00f3 predominantemente con el efecto de la lisofosfatidilcolina en la pel\u00edcula superficial. aunque los \u00e1cidos grasos liberados con mayores concentraciones de PLA2 tambi\u00e9n tuvieron un efecto perjudicial sobre la funci\u00f3n tensioactiva. De manera similar, tan solo 0.1 unidades de PLC aumentaron la tensi\u00f3n superficial al tama\u00f1o m\u00ednimo de una burbuja oscilante de menos de 1 a 15 mN \/ m, un efecto que podr\u00eda imitarse mediante la adici\u00f3n de dipalmitina al surfactante en ausencia de PLC. Adem\u00e1s, las concentraciones menores no inhibitorias (0.01 unidad \/ ml) de PLA2 y PLC aumentaron la sensibilidad del surfactante a otros agentes inhibidores, como la alb\u00famina.\u00a0<\/p>\n<p>CONCLUSIONES: Por lo tanto, concentraciones relativamente bajas de PLC y PLA2 pueden causar una degradaci\u00f3n severa de la funci\u00f3n tensioactiva y pueden contribuir significativamente a algunas formas de lesi\u00f3n pulmonar. un efecto que podr\u00eda imitarse mediante la adici\u00f3n de dipalmitina al tensioactivo en ausencia de PLC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Holm, B. A., Keicher, L., Liu, M. Y., Sokolowski, J., &amp; Enhorning, G. (1991). Inhibition of pulmonary surfactant function by phospholipases.\u00a0Journal of Applied Physiology,\u00a071(1), 317-321. FONDO: Estudios previos han demostrado que la insuficiencia respiratoria asociada con trastornos como la pancreatitis aguda se correlaciona bien con el aumento de los niveles de fosfolipasa A2 (PLA2) en [&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-39560","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;Inhibici\u00f3n de la funci\u00f3n tensioactiva pulmonar por fosfolipasas&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=39560\" \/>\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;Inhibici\u00f3n de la funci\u00f3n tensioactiva pulmonar por fosfolipasas&quot; -\" \/>\n<meta property=\"og:description\" content=\"Holm, B. 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FONDO: Estudios previos han demostrado que la insuficiencia respiratoria asociada con trastornos como la pancreatitis aguda se correlaciona bien con el aumento de los niveles de fosfolipasa A2 (PLA2) en [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rina.naturopatiadigital.eu\/?p=39560\" \/>\n<meta property=\"article:published_time\" content=\"2020-04-14T02:30:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/1.bp.blogspot.com\/-JaBDcGw5QmU\/XpYMgs_dPAI\/AAAAAAAAcL8\/vhKBlewSTfEn6k6Mo__1_18tPDsEk_WwACLcBGAsYHQ\/s1600\/Journal_Applied%2BPhysiology2.jpg\" \/>\n<meta name=\"author\" content=\"admin2\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin2\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" 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