{"id":45767,"date":"2022-05-23T18:50:45","date_gmt":"2022-05-23T16:50:45","guid":{"rendered":"https:\/\/RevistaEspa\u00f1oladeNaturopatia.naturopatiadigital.eu\/?p=45767"},"modified":"2022-05-23T18:51:21","modified_gmt":"2022-05-23T16:51:21","slug":"area-de-conocimiento-naturopatia-experimental-sustancias-bioactivas","status":"publish","type":"post","link":"https:\/\/rina.naturopatiadigital.eu\/?p=45767","title":{"rendered":"\u00c1rea de conocimiento: Naturopat\u00eda Experimental: Sustancias Bioactivas: \u00abLa berberina estimula el transporte de glucosa a trav\u00e9s de un mecanismo distinto al de la insulina\u00bb"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/ars.els-cdn.com\/content\/image\/1-s2.0-S0026049507X05377-cov200h.gif\" alt=\"Ir a la p\u00e1gina principal de la revista - Metabolismo\" \/>Zhou, L., Yang, Y., Wang, X., Liu, S., Shang, W., Yuan, G., &#8230; &amp; Chen, J. (2007). <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0026049506003908\">Berberine stimulates glucose transport through a mechanism distinct from insulin<\/a>.\u00a0<i>Metabolism<\/i>,\u00a0<i>56<\/i>(3), 405-412.<\/p>\n<p>La berberina\u00a0ejerce un efecto hipoglucemiante, pero el mecanismo sigue siendo desconocido.\u00a0En el presente estudio se caracteriz\u00f3 el efecto de la berberina sobre\u00a0la captaci\u00f3n de glucosa\u00a0en adipocitos3T3-L1.<\/p>\n<p>Se revel\u00f3 que la berberina estimul\u00f3 la captaci\u00f3n de glucosa en los adipocitos 3T3-L1 de manera dependiente de la dosis y el tiempo con el efecto m\u00e1ximo a las 12 horas.\u00a0La berberina tambi\u00e9n aument\u00f3 la captaci\u00f3n de glucosa en los preadipocitos\u00a03T3-L1 .\u00a0La captaci\u00f3n de glucosa estimulada por berberina fue aditiva a la de la insulina en los adipocitos 3T3-L1, incluso a las concentraciones efectivas m\u00e1ximas de ambos componentes.<\/p>\n<p>A diferencia de la insulina, el efecto de la berberina sobre la captaci\u00f3n de glucosa fue insensible a la\u00a0wortmanina\u00a0, un inhibidor de la fosfatidilinositol 3-quinasa, y al\u00a0SB203580, un inhibidor de la prote\u00edna quinasa\u00a0activada por mit\u00f3geno p38\u00a0.\u00a0La berberina activ\u00f3 la quinasa regulada por se\u00f1ales extracelulares (ERK) 1\/2, pero\u00a0PD98059\u00a0, un\u00a0inhibidor de la quinasa\u00a0ERK\u00a0, solo disminuy\u00f3 la captaci\u00f3n de glucosa estimulada por la berberina en un 32 %.\u00a0La berberina no indujo la fosforilaci\u00f3n de Akt en Ser473 ni mejor\u00f3 la fosforilaci\u00f3n de Akt inducida por insulina.<\/p>\n<p>Mientras tanto, la berberina no alter\u00f3\u00a0la expresi\u00f3n y\u00a0localizaci\u00f3n celular\u00a0del transportador\u00a0de glucosa 4 (GLUT4).\u00a0La berberina no aument\u00f3\u00a0la expresi\u00f3n del gen\u00a0GLUT1 .\u00a0Sin embargo,\u00a0la geniste\u00edna\u00a0, un inhibidor de\u00a0la tirosina quinasa\u00a0, bloquearon completamente la captaci\u00f3n de glucosa estimulada por berberina en adipocitos y preadipocitos 3T3-L1, lo que sugiere que la berberina puede inducir el transporte de glucosa mediante el aumento de la actividad de GLUT1.\u00a0Adem\u00e1s, la berberina aument\u00f3 la prote\u00edna quinasa activada por adenosina monofosfato y la fosforilaci\u00f3n de acetil-coenzima A carboxilasa.<\/p>\n<p>Estos hallazgos sugieren que la berberina aumenta la captaci\u00f3n de glucosa a trav\u00e9s de un mecanismo distinto de la insulina, y la prote\u00edna quinasa activada por monofosfato de adenosina activada parece estar involucrada en el efecto metab\u00f3lico de la berberina.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zhou, L., Yang, Y., Wang, X., Liu, S., Shang, W., Yuan, G., &#8230; &amp; Chen, J. (2007). Berberine stimulates glucose transport through a mechanism distinct from insulin.\u00a0Metabolism,\u00a056(3), 405-412. La berberina\u00a0ejerce un efecto hipoglucemiante, pero el mecanismo sigue siendo desconocido.\u00a0En el presente estudio se caracteriz\u00f3 el efecto de la berberina sobre\u00a0la captaci\u00f3n de glucosa\u00a0en adipocitos3T3-L1. Se [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-45767","post","type-post","status-publish","format-standard","hentry","category-naturopatia-fitocomplementaria-herbologia"],"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 Experimental: Sustancias Bioactivas: &quot;La berberina estimula el transporte de glucosa a trav\u00e9s de un mecanismo distinto al de la insulina&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=45767\" \/>\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 Experimental: Sustancias Bioactivas: &quot;La berberina estimula el transporte de glucosa a trav\u00e9s de un mecanismo distinto al de la insulina&quot; -\" \/>\n<meta property=\"og:description\" content=\"Zhou, L., Yang, Y., Wang, X., Liu, S., Shang, W., Yuan, G., &#8230; &amp; Chen, J. 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