{"id":23103,"date":"2020-12-10T16:54:01","date_gmt":"2020-12-10T16:54:01","guid":{"rendered":"https:\/\/cnpem.staging.wpengine.com\/?p=23103"},"modified":"2026-03-02T15:55:56","modified_gmt":"2026-03-02T18:55:56","slug":"cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos","status":"publish","type":"post","link":"https:\/\/cnpem.br\/en\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\/","title":{"rendered":"Cientistas do CNPEM planejam &#8216;imitar&#8217; estrutura do v\u00edrus da Covid na cria\u00e7\u00e3o de nanomedicamentos"},"content":{"rendered":"<p><em>G1 em 08\/12\/2020<\/em><\/p>\n<p><strong>LINK<\/strong>: <a href=\"https:\/\/g1.globo.com\/sp\/campinas-regiao\/noticia\/2020\/12\/08\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos.ghtml\">https:\/\/g1.globo.com\/sp\/campinas-regiao\/noticia\/2020\/12\/08\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos.ghtml<\/a><\/p>\n<div class=\"row content-head non-featured \">\n<div class=\"medium-centered subtitle\">\n<h4 class=\"content-head__subtitle\">Pesquisadores em Campinas querem usar a arquitetura eficiente que o Sars-Cov-2 tem para atacar c\u00e9lulas humanas no desenvolvimento de uma nova nanopart\u00edcula sint\u00e9tica para aplica\u00e7\u00e3o de f\u00e1rmacos.<\/h4>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"50\" data-block-id=\"2\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Pesquisadores do Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), de Campinas (SP),\u00a0<span class=\"highlight highlighted\">prop\u00f5em imitar a estrutura do v\u00edrus da Covid-19<\/span>, supereficiente na intera\u00e7\u00e3o e replica\u00e7\u00e3o em c\u00e9lulas humanas, no\u00a0<span class=\"highlight highlighted\">desenvolvimento de uma nova nanopart\u00edcula<\/span>\u00a0sint\u00e9tica para aplica\u00e7\u00e3o de diversos tipos de medicamentos, como antivirais, antibi\u00f3ticos ou antitumorais.<\/p>\n<\/div>\n<div class=\"wall protected-content\">\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"25\" data-block-id=\"3\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">As caracter\u00edsticas estruturais do Sars-Cov-2 que poderiam ser utilizadas nesse trabalho de engenharia em laborat\u00f3rio foram descritas em artigo publicado na revista cient\u00edfica Nano Today.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"56\" data-block-id=\"4\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">O principal ponto passa pela glicoprote\u00edna S, chamada de spike, que s\u00e3o os &#8220;espinhos&#8221; na coroa do Sars-Cov-2 e que ele os usa para se conectar e entrar nas c\u00e9lulas hospedeiras. H\u00e1 uma distribui\u00e7\u00e3o com geometria e simetria bem definidos, que podem aparecer ou se rearranjar quando o v\u00edrus precisa para aumentar os pontos de contato.<\/p>\n<div class=\"mc-column content-text active-extra-styles\" data-block-type=\"raw\" data-block-weight=\"69\" data-block-id=\"5\">\n<blockquote class=\"content-blockquote theme-border-color-primary-before\"><p>&#8220;O v\u00edrus, ele \u00e9 din\u00e2mico, esconde o spike e, quando chega perto do receptor, ele mostra. O v\u00edrus nos deu uma grande li\u00e7\u00e3o, dizendo que esse \u00e9 o caminho. Esconder o princ\u00edpio ativo e aparecer na hora que precisa. Hoje, basicamente estamos tentando desenvolver camuflagens para a nanopart\u00edcula mais efetivas, al\u00e9m de buscar essa responsividade do grupo direcionador, que seria a prote\u00edna S do v\u00edrus&#8221;, explica Mateus Borba Cardoso.<\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"content-ads content-ads--reveal\" data-block-type=\"ads\" data-block-id=\"6\">\n<div id=\"banner_materia2\" class=\"tag-manager-publicidade-container mc-has-reveal mc-has-ad-lazyload tag-manager-publicidade-banner_materia2 tag-manager-publicidade-container--carregado tag-manager-publicidade-container--visivel\" data-id=\"banner_materia2\" data-req=\"true\" data-google-query-id=\"CP_r9Mbww-0CFXAwuQYdIggH1g\" data-cid=\"138333102041\" data-lid=\"5555445781\">\n<div class=\"row medium-uncollapsed content-media content-photo\" data-block-type=\"backstage-photo\" data-block-id=\"7\">\n<div class=\"mc-column content-media__container\">\n<figure><img data-recalc-dims=\"1\" decoding=\"async\" class=\"i-amphtml-fill-content i-amphtml-replaced-content aligncenter\" src=\"https:\/\/i0.wp.com\/s2.glbimg.com\/ZQ9gz5pw7Js4XX8NgYgXzLAQsKw%3D\/0x0%3A563x358\/984x0\/smart\/filters%3Astrip_icc%28%29\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/6\/6\/DF0GBhQzq9b2aTk1vwTg\/covid-nano.jpg?w=1200&#038;ssl=1\" sizes=\"(max-width: 1280px) 648px, 100vw\" srcset=\"https:\/\/s2.glbimg.com\/1hLwqMEgNnuuLjXMDQeDpGqvKK4=\/0x0:563x358\/1000x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/6\/6\/DF0GBhQzq9b2aTk1vwTg\/covid-nano.jpg 1000w, https:\/\/s2.glbimg.com\/ZQ9gz5pw7Js4XX8NgYgXzLAQsKw=\/0x0:563x358\/984x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/6\/6\/DF0GBhQzq9b2aTk1vwTg\/covid-nano.jpg 984w, https:\/\/s2.glbimg.com\/CXMKw07ZxU8ISQlMpn8583AtcKI=\/0x0:563x358\/640x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/6\/6\/DF0GBhQzq9b2aTk1vwTg\/covid-nano.jpg 640w, https:\/\/s2.glbimg.com\/rV9f70uB6SlGttTpKBAJYKgmT94=\/0x0:563x358\/600x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/6\/6\/DF0GBhQzq9b2aTk1vwTg\/covid-nano.jpg 600w\" alt=\"Ilustra\u00e7\u00e3o de uma distribui\u00e7\u00e3o n\u00e3o-homog\u00eanea dos grupos ativos na superf\u00edcie da nanopart\u00edcula, que diminui a probabilidade de eventos de reconhecimento espec\u00edfico (\u00e0 esq.), em compara\u00e7\u00e3o com um arranjo homog\u00eaneo dos grupos ativos \u2014 Foto: Arte\/CNPEM\" \/><\/figure>\n<p class=\"content-media__description \" style=\"text-align: center;\"><em>Ilustra\u00e7\u00e3o de uma distribui\u00e7\u00e3o n\u00e3o-homog\u00eanea dos grupos ativos na superf\u00edcie da nanopart\u00edcula, que diminui a probabilidade de eventos de reconhecimento espec\u00edfico (\u00e0 esq.), em compara\u00e7\u00e3o com um arranjo homog\u00eaneo dos grupos ativos \u2014 Foto: Arte\/CNPEM<\/em><\/p>\n<\/div>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"39\" data-block-id=\"8\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">A &#8220;camuflagem&#8221; mencionada pelo cientista \u00e9 necess\u00e1ria para quem o material uma vez injetado no sangue, por exemplo, n\u00e3o seja diretamente atacado pelo sistema imune do organismo. E essa \u00e9 uma desvantagem que os cientistas t\u00eam diante do Sars-Cov-2.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"69\" data-block-id=\"9\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">&#8220;O Sars-Cov-2 quando entra no nariz, ele n\u00e3o tem contato quase que nenhum com flu\u00eddo biol\u00f3gico. Interage com c\u00edlios nasais, que t\u00eam receptores, e faz estragos nas c\u00e9lulas. Depois vai para o pulm\u00e3o e quando chega na corrente sangu\u00ednea, o estrago j\u00e1 est\u00e1 feito, a infec\u00e7\u00e3o est\u00e1 estabelecida. Quando a gente faz a aplica\u00e7\u00e3o do medicamento, direto no sangue, voc\u00ea tem uma desvantagem, o sistema imune est\u00e1 ativo&#8221;, explica.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"37\" data-block-id=\"10\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">Para driblar esse defesa do organismo, que reage ao identificar &#8220;invasores&#8221;, o grupo trabalha para aperfei\u00e7oar a camuflagem com o incremento de &#8220;tent\u00e1culos&#8221; ligando ao f\u00e1rmaco que aparecem na &#8220;hora certa&#8221;, como trabalha o v\u00edrus da Covid-19.<\/p>\n<\/div>\n<div class=\"row medium-uncollapsed content-media content-photo\" data-block-type=\"backstage-photo\" data-block-id=\"11\">\n<div class=\"mc-column content-media__container\">\n<figure><img data-recalc-dims=\"1\" decoding=\"async\" class=\"i-amphtml-fill-content i-amphtml-replaced-content aligncenter\" src=\"https:\/\/i0.wp.com\/s2.glbimg.com\/52WoRHMqKz0enRHxbQXOLX5pISY%3D\/0x0%3A786x775\/984x0\/smart\/filters%3Astrip_icc%28%29\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/j\/P\/5c9ABIQpiDLzLUw3MReQ\/reberson.png?w=1200&#038;ssl=1\" sizes=\"(max-width: 1280px) 648px, 100vw\" srcset=\"https:\/\/s2.glbimg.com\/YhzG9D6LM66_DUGiwcBYlTk9f-8=\/0x0:786x775\/1000x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/j\/P\/5c9ABIQpiDLzLUw3MReQ\/reberson.png 1000w, https:\/\/s2.glbimg.com\/52WoRHMqKz0enRHxbQXOLX5pISY=\/0x0:786x775\/984x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/j\/P\/5c9ABIQpiDLzLUw3MReQ\/reberson.png 984w, https:\/\/s2.glbimg.com\/lqIyDP6CbPNZZ0J3bF-D2caUBi0=\/0x0:786x775\/640x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/j\/P\/5c9ABIQpiDLzLUw3MReQ\/reberson.png 640w, https:\/\/s2.glbimg.com\/TOmZy3MCS5EbOf2kQGwjO0vSP28=\/0x0:786x775\/600x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/j\/P\/5c9ABIQpiDLzLUw3MReQ\/reberson.png 600w\" alt=\"Representa\u00e7\u00e3o da nanopart\u00edcula recoberta por grupos super-hidratados, que fazem a camuflagem, e os tent\u00e1culos (em Y) para ligar os grupos ativos \u00e0s c\u00e9lulas-alvo \u2014 Foto: Arte\/CNPEM\" \/><\/figure>\n<p class=\"content-media__description \" style=\"text-align: center;\"><em>Representa\u00e7\u00e3o da nanopart\u00edcula recoberta por grupos super-hidratados, que fazem a camuflagem, e os tent\u00e1culos (em Y) para ligar os grupos ativos \u00e0s c\u00e9lulas-alvo \u2014 Foto: Arte\/CNPEM<\/em><\/p>\n<\/div>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"24\" data-block-id=\"13\">\n<p data-track-category=\"Link no Texto\" data-track-links=\"\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">A camuflagem da nanopart\u00edcula feita a partir de s\u00edlica \u00e9 um revestimento de grupos qu\u00edmicos super-hidratados, que criam uma esp\u00e9cie de &#8220;bola de \u00e1gua&#8221;.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"58\" data-block-id=\"14\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">&#8220;A gente coloca grupos qu\u00edmicos super-hidratados em uma bolinha que \u00e9 a nanopart\u00edcula, e dentro dessa bolinha tem um f\u00e1rmaco, antiviral, antitumoral, antibi\u00f3tico, por exemplo. Esses grupos que s\u00e3o super-hidratados, eles absorvem \u00e1gua. O organismo n\u00e3o enxerga aquilo como prote\u00edna, e sim como \u00e1gua. N\u00e3o existe uma prote\u00edna que v\u00e1 identificar \u00e1gua e acionar os macr\u00f3fagos&#8221;, explica Cardoso.<\/p>\n<\/div>\n<div class=\"mc-column content-text active-extra-styles \" data-block-type=\"unstyled\" data-block-weight=\"37\" data-block-id=\"15\">\n<p class=\"content-text__container \" data-track-category=\"Link no Texto\" data-track-links=\"\">O desafio agora \u00e9 estabelecer o tamanho correto desses tent\u00e1culos que v\u00e3o sair dessa bola de \u00e1gua, uma vez que os cientistas j\u00e1 identificaram que apenas deixar o f\u00e1rmaco debaixo da camuflagem, ele n\u00e3o \u00e9 biologicamente ativo.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"content__signa-share\">\n<div class=\"content__signature\">\n<div class=\"content-publication-data\">\n<div class=\"content-publication-data__text\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>G1 em 08\/12\/2020 LINK: https:\/\/g1.globo.com\/sp\/campinas-regiao\/noticia\/2020\/12\/08\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos.ghtml Pesquisadores em Campinas querem usar a arquitetura eficiente que o Sars-Cov-2 tem para atacar c\u00e9lulas humanas no desenvolvimento de uma nova nanopart\u00edcula sint\u00e9tica para aplica\u00e7\u00e3o&hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1163,1208,179],"tags":[],"class_list":["post-23103","post","type-post","status-publish","format-standard","hentry","category-clipping-cnpem","category-releases-cnpem","category-clipping-lnbio","category-1163","category-1208","category-179","description-off"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cientistas do CNPEM planejam &#039;imitar&#039; estrutura do v\u00edrus da Covid na cria\u00e7\u00e3o de nanomedicamentos - CNPEM<\/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:\/\/cnpem.br\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas do CNPEM planejam &#039;imitar&#039; estrutura do v\u00edrus da Covid na cria\u00e7\u00e3o de nanomedicamentos - CNPEM\" \/>\n<meta property=\"og:description\" content=\"G1 em 08\/12\/2020 LINK: https:\/\/g1.globo.com\/sp\/campinas-regiao\/noticia\/2020\/12\/08\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos.ghtml Pesquisadores em Campinas querem usar a arquitetura eficiente que o Sars-Cov-2 tem para atacar c\u00e9lulas humanas no desenvolvimento de uma nova nanopart\u00edcula sint\u00e9tica para aplica\u00e7\u00e3o&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cnpem.br\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\/\" \/>\n<meta property=\"og:site_name\" content=\"CNPEM\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-10T16:54:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-02T18:55:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/s2.glbimg.com\/ZQ9gz5pw7Js4XX8NgYgXzLAQsKw=\/0x0:563x358\/984x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2020\/6\/6\/DF0GBhQzq9b2aTk1vwTg\/covid-nano.jpg\" \/>\n<meta name=\"author\" content=\"Gustavo Moreno\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gustavo Moreno\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/cnpem.br\\\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cnpem.br\\\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\\\/\"},\"author\":{\"name\":\"Gustavo Moreno\",\"@id\":\"https:\\\/\\\/cnpem.br\\\/#\\\/schema\\\/person\\\/142f9b4066e599dd651a3b9600c2c0ca\"},\"headline\":\"Cientistas do CNPEM planejam &#8216;imitar&#8217; estrutura do v\u00edrus da Covid na cria\u00e7\u00e3o de nanomedicamentos\",\"datePublished\":\"2020-12-10T16:54:01+00:00\",\"dateModified\":\"2026-03-02T18:55:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/cnpem.br\\\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\\\/\"},\"wordCount\":650,\"image\":{\"@id\":\"https:\\\/\\\/cnpem.br\\\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/s2.glbimg.com\\\/ZQ9gz5pw7Js4XX8NgYgXzLAQsKw=\\\/0x0:563x358\\\/984x0\\\/smart\\\/filters:strip_icc()\\\/i.s3.glbimg.com\\\/v1\\\/AUTH_59edd422c0c84a879bd37670ae4f538a\\\/internal_photos\\\/bs\\\/2020\\\/6\\\/6\\\/DF0GBhQzq9b2aTk1vwTg\\\/covid-nano.jpg\",\"articleSection\":[\"CNPEM na M\u00eddia\",\"Comunica\u00e7\u00e3o CNPEM\",\"LNBio na M\u00eddia\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cnpem.br\\\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\\\/\",\"url\":\"https:\\\/\\\/cnpem.br\\\/cientistas-do-cnpem-planejam-imitar-estrutura-do-virus-da-covid-na-criacao-de-nanomedicamentos\\\/\",\"name\":\"Cientistas do CNPEM planejam 'imitar' estrutura do v\u00edrus da Covid na cria\u00e7\u00e3o de nanomedicamentos - 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