{"id":6551,"date":"2020-02-17T16:36:57","date_gmt":"2020-02-17T19:36:57","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=6551"},"modified":"2020-02-28T17:51:16","modified_gmt":"2020-02-28T20:51:16","slug":"dieta-pode-proteger-da-microcefalia","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/dieta-pode-proteger-da-microcefalia\/","title":{"rendered":"Dieta pode proteger da microcefalia"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Dieta pode proteger da microcefalia:<\/strong><\/span> Estudo indica mecanismo biol\u00f3gico que pode tornar o organismo desnutrido vulner\u00e1vel \u00e0 microcefalia causada pelo v\u00edrus.<\/span><\/p>\n<h2><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>Dieta pode proteger da microcefalia\u00a0<\/strong><\/span><\/h2>\n<p><span style=\"font-size: 8pt; color: #000000;\">Fev\/2020 :: por Gilberto Stam \/ Pesquisa FAPESP. <span style=\"color: #808080;\">Licen\u00e7a\u00a0<a style=\"color: #808080;\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">CC BY-ND 4.0<\/a><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 18pt;\"><strong>D<\/strong><\/span>urante a explos\u00e3o de casos de microcefalia como consequ\u00eancia de infec\u00e7\u00e3o pelo v\u00edrus zika, entre 2015 e 2016, ficou evidente que as regi\u00f5es com o maior n\u00famero de notifica\u00e7\u00f5es \u2014 um total de 18.282 casos \u2014 eram tamb\u00e9m aquelas com as condi\u00e7\u00f5es de vida mais prec\u00e1rias.<\/span><\/p>\n<figure id=\"attachment_581\" aria-describedby=\"caption-attachment-581\" style=\"width: 300px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"581\" data-permalink=\"https:\/\/biologo.com.br\/bio\/zika-virus-prejudica-celulas-do-cerebro-fetal-humano\/zica-sintomas\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/04\/zica-sintomas.jpg?fit=401%2C337&amp;ssl=1\" data-orig-size=\"401,337\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"zica-sintomas\" data-image-description=\"&lt;p&gt;Principais sintomas da febre Zika&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Principais sintomas da febre Zika&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/04\/zica-sintomas.jpg?fit=401%2C337&amp;ssl=1\" class=\"wp-image-581 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/04\/zica-sintomas.jpg?resize=300%2C252&#038;ssl=1\" alt=\"Principais sintomas da febre Zika\" width=\"300\" height=\"252\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/04\/zica-sintomas.jpg?resize=300%2C252&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/04\/zica-sintomas.jpg?w=401&amp;ssl=1 401w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-581\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #000000;\">Principais sintomas da febre Zika<\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Depois do esfor\u00e7o priorit\u00e1rio para demonstrar a rela\u00e7\u00e3o entre a s\u00edndrome e o v\u00edrus, os pesquisadores se debru\u00e7aram sobre os poss\u00edveis mecanismos que, em resposta a fatores ambientais, diminu\u00edam a resist\u00eancia \u00e0 infec\u00e7\u00e3o viral.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/como-o-zika-afeta-o-cerebro-adulto\/\">Como o zika afeta o c\u00e9rebro adulto<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/zika-virus-prejudica-celulas-do-cerebro-fetal-humano\/\">Zika v\u00edrus prejudica c\u00e9lulas do c\u00e9rebro fetal humano<\/a><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Um desses estudos, publicado nesta sexta-feira, dia 10 de janeiro, na revista\u00a0<a href=\"https:\/\/advances.sciencemag.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">Science Advances<\/a>, indica, pela primeira vez, como o baixo consumo de prote\u00ednas pode ter estimulado a ocorr\u00eancia da doen\u00e7a, com base em experimentos em camundongos.<\/span><\/p>\n<p><span style=\"color: #000000;\">\u201cO efeito da dieta hipoproteica foi brutal, eliminando, em pouco tempo, a resist\u00eancia dos animais ao v\u00edrus e sua capacidade de barrar a transmiss\u00e3o para a prole\u201d, conta a neurocientista Patr\u00edcia Garcez, da Universidade Federal do Rio de Janeiro e coordenadora do trabalho, uma parceria entre Brasil, Argentina, Estados Unidos e Reino Unido.<\/span><\/p>\n<h3><span style=\"font-family: 'courier new', courier, monospace; font-size: 14pt; color: #000000;\"><strong>Desdobramentos da febre zika<\/strong><\/span><\/h3>\n<figure id=\"attachment_6352\" aria-describedby=\"caption-attachment-6352\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/10\/Zica-virus.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6352\" data-permalink=\"https:\/\/biologo.com.br\/bio\/como-o-zika-afeta-o-cerebro-adulto\/zica-virus\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/10\/Zica-virus.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Zica-virus\" data-image-description=\"&lt;p&gt;Zica v\u00edrus&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Zica v\u00edrus&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/10\/Zica-virus.jpg?fit=631%2C351&amp;ssl=1\" class=\"size-medium wp-image-6352\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/10\/Zica-virus.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Como o zika afeta o c\u00e9rebro adulto\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/10\/Zica-virus.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/10\/Zica-virus.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-6352\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #000000;\">Zica v\u00edrus<\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">No experimento, f\u00eameas gr\u00e1vidas de camundongos com sistema imunol\u00f3gico saud\u00e1vel foram infectadas com o v\u00edrus e divididas em dois grupos: o controle recebeu uma dose adequada de prote\u00ednas na ra\u00e7\u00e3o (estabelecido em 20% da dieta) e o segundo recebeu uma dieta com 6% de prote\u00ednas \u2014 uma restri\u00e7\u00e3o bastante aguda.<\/span><\/p>\n<p><span style=\"color: #000000;\">No segundo grupo, foi detectada grande quantidade de v\u00edrus zika no ba\u00e7o, \u00f3rg\u00e3o que filtra o sangue e ret\u00e9m parte dos microrganismos. Todos os fetos foram infectados e tiveram o desenvolvimento do enc\u00e9falo comprometido. <\/span><\/p>\n<blockquote><p><span style=\"color: #ffffff; font-family: 'courier new', courier, monospace;\">\u201cA placenta apresentou regi\u00f5es necrosadas e les\u00f5es vasculares que misturavam o sangue da f\u00eamea e do feto, similares a les\u00f5es j\u00e1 observadas em humanos\u201d, diz Patr\u00edcia. <\/span><\/p><\/blockquote>\n<p><span style=\"color: #000000;\">J\u00e1 no grupo controle, o v\u00edrus foi eliminado em apenas tr\u00eas dias ap\u00f3s a infec\u00e7\u00e3o. A placenta n\u00e3o sofreu les\u00f5es, podendo assim cumprir sua fun\u00e7\u00e3o de barrar a transmiss\u00e3o do v\u00edrus aos fetos.<\/span><\/p>\n<p><span style=\"font-size: 10pt; color: #000000;\">&gt;&gt; Para ler todo o texto, acesse o artigo completo da Revista Fapesp &gt;<\/span><span style=\"font-size: 10pt;\"><a title=\"Desdobramentos da febre zika\" href=\"https:\/\/revistapesquisa.fapesp.br\/2020\/01\/11\/desdobramentos-da-febre-zika\/\">Desdobramentos da febre zika<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dieta pode proteger da microcefalia: Estudo indica mecanismo biol\u00f3gico que pode tornar o organismo desnutrido vulner\u00e1vel \u00e0 microcefalia causada pelo<\/p>\n","protected":false},"author":1,"featured_media":582,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[17,119,146],"tags":[],"class_list":["post-6551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biomedicas","category-bioquimica","category-imunologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dieta pode proteger da microcefalia - Febre zica - Imunologia<\/title>\n<meta name=\"description\" content=\"Estudo indica mecanismo biol\u00f3gico que pode tornar o organismo desnutrido vulner\u00e1vel \u00e0 microcefalia causada pelo v\u00edrus. 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