
{"id":81311,"date":"2021-01-28T12:12:02","date_gmt":"2021-01-28T11:12:02","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?p=81311"},"modified":"2021-02-03T12:46:18","modified_gmt":"2021-02-03T11:46:18","slug":"libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/ca\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\/","title":{"rendered":"L\u2019IBEC desenvolupa un software per al descobriment de biomarcadors"},"content":{"rendered":"<p><span data-contrast=\"none\"><img decoding=\"async\" class=\"wp-image-81305 alignleft lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-300x200.png\" alt=\"\" width=\"383\" height=\"255\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-300x200.png 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-1024x683.png 1024w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-768x512.png 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-1536x1024.png 1536w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-2048x1365.png 2048w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle-1-150x100.png 150w\" data-sizes=\"(max-width: 383px) 100vw, 383px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 383px; --smush-placeholder-aspect-ratio: 383\/255;\" \/><\/span><\/p>\n<p><span data-contrast=\"auto\">Els investigadors han<\/span><span data-contrast=\"auto\"> desenvolupat una eina per a l&#8217;aplicaci\u00f3 completa de la <\/span><span data-contrast=\"auto\">metabol\u00f2mica<\/span><span data-contrast=\"auto\"> basada en la resson\u00e0ncia magn\u00e8tica nuclear no dirigida (RMN) per al descobriment de <\/span><span data-contrast=\"auto\">biomarcadors<\/span><span data-contrast=\"auto\"> en diferents mostres biol\u00f2giques com l&#8217;orina, extractes de sang o c\u00e8l\u00b7lules.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">La <\/span><span data-contrast=\"auto\">metabol\u00f2mica<\/span><span data-contrast=\"auto\"> de RMN no adre\u00e7ada compr\u00e8n la investigaci\u00f3 de compostos de baix pes molecular, anomenats metab\u00f2lits, que estan desregulats en condicions espec\u00edfiques com una malaltia. L&#8217;\u00fas d&#8217;un enfocament no dirigit no requereix coneixements previs sobre una via metab\u00f2lica espec\u00edfica, per\u00f2 proporciona informaci\u00f3 valuosa sobre les empremtes dactilars que revelen aquestes condicions espec\u00edfiques.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<blockquote><p><strong><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">La <\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">metabol\u00f2mica<\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\"> no dirigida t\u00e9 un contingut computacional important, <\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">AlpsNMR<\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\"> cobreix el flux de treball complet de les dades de RMN des del <\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">preprocessament<\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\"> de senyals fins a l&#8217;aprenentatge autom\u00e0tic per al descobriment de <\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">biomarcadors<\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">. El programari est\u00e0 disponible per a la comunitat <\/span><span lang=\"CA-ES\" xml:lang=\"CA-ES\" data-contrast=\"auto\">metabol\u00f2mica.<br \/>\n<\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><strong>Santi Marco, l\u00edder de grup de l\u2019IBEC i professor de la UB\u00a0<\/strong><\/p>\n<\/blockquote>\n<p><span data-contrast=\"auto\">L&#8217;eina desenvolupada, anomenada <\/span><a href=\"https:\/\/sipss.github.io\/AlpsNMR\/index.html\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">AlpsNMR<\/span><\/a><span data-contrast=\"auto\"> (Sistema de processament espectral automatitzat per RMN), \u00e9s un paquet R que s&#8217;aplica un flux de treball conc\u00eds de manera automatitzada, en qu\u00e8 els usuaris no necessiten <\/span><span data-contrast=\"auto\">extens<\/span><span data-contrast=\"auto\"> coneixement sobre el procediment. Aquesta canonada compr\u00e8n tots els passos del flux de treball de la <\/span><span data-contrast=\"auto\">metabol\u00f2mica<\/span><span data-contrast=\"auto\">, des dels espectres 1D fins a la identificaci\u00f3 dels <\/span><span data-contrast=\"auto\">biomarcadors<\/span><span data-contrast=\"auto\"> putatius que prediuen una condici\u00f3. La canalitzaci\u00f3 comen\u00e7a amb el pas de c\u00e0rrega que importa el directori que cont\u00e9 m\u00faltiples espectres de RMN 1H. El paquet tamb\u00e9 inclou algoritmes per a la detecci\u00f3 de <\/span><span data-contrast=\"auto\">mostres at\u00edpiques<\/span><span data-contrast=\"auto\"> i, si s&#8217;escau, pot informar i eliminar-les. El paquet \u00e9s capa\u00e7 de detectar, alinear i normalitzar els pics de RMN mitjan\u00e7ant diversos algoritmes (creatinina urin\u00e0ria, normalitzaci\u00f3 del<\/span> <span data-contrast=\"auto\">quocient probabil\u00edstic, \u00e0rea total)<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"auto\"> particularment \u00fatil en mostres biol\u00f2giques d&#8217;orina. L&#8217;eina crea gr\u00e0fics interactius en format HTML que es poden editar, ampliar o convertir a una figura PNG. Despr\u00e9s de la integraci\u00f3 de pics, el marc de dades adquirit est\u00e0 a punt per a l&#8217;an\u00e0lisi estad\u00edstic. El proc\u00e9s de selecci\u00f3 de pics (o caracter\u00edstiques) es porta a terme <\/span><span data-contrast=\"auto\">d\u2019acord<\/span><span data-contrast=\"auto\"> a<\/span><span data-contrast=\"auto\">mb<\/span><span data-contrast=\"auto\"> un sofisticat aprenentatge autom\u00e0tic desenvolupat especialment per a aquesta eina del paquet. Aquesta an\u00e0lisi estad\u00edstica implica l&#8217;aplicaci\u00f3 de models de m\u00ednims quadrats parcials mitjan\u00e7ant <\/span><span data-contrast=\"auto\">Bootstrap<\/span><span data-contrast=\"auto\">. Finalment, la identificaci\u00f3 de <\/span><span data-contrast=\"auto\">caracter\u00edstiques rellevants utilitzades a l&#8217;origen de la mostra biol\u00f2gica (LCD<\/span><span data-contrast=\"auto\">\/<\/span><span data-contrast=\"auto\">s\u00e8rum, orina i c\u00e8l\u00b7lules) generant candidats a metab\u00f2lits classificats obtinguts d&#8217;acord amb la <\/span><a href=\"https:\/\/hmdb.ca\/\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">Base de Dades de <\/span><span data-contrast=\"none\">metabolomes<\/span><span data-contrast=\"none\"> Humans<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">El paquet i el <\/span><span data-contrast=\"auto\">tutorial<\/span><span data-contrast=\"auto\"> d<\/span><span data-contrast=\"auto\">\u2019<\/span><a href=\"https:\/\/sipss.github.io\/AlpsNMR\/index.html\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">AlpsNMR<\/span><\/a><span data-contrast=\"auto\"> R estan disponibles gratu\u00eftament per descarregar des<\/span><span data-contrast=\"auto\"> de<\/span> <a href=\"https:\/\/www.bioconductor.org\/packages\/release\/bioc\/html\/AlpsNMR.html\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">Bioconductor<\/span><\/a><span data-contrast=\"auto\"> i <\/span><a href=\"https:\/\/github.com\/sipss\/AlpsNMR\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">github<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Investigadors contribuents inclouen cient\u00edfics de la investigaci\u00f3 de Nestl\u00e9, <\/span><span data-contrast=\"auto\">Lausa<\/span><span data-contrast=\"auto\">na<\/span><span data-contrast=\"auto\">, Su\u00efssa.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h6><a href=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/Flujo-de-trabajo-AlpsNmr.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"aligncenter wp-image-81299 lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/Flujo-de-trabajo-AlpsNmr-300x49.png\" alt=\"\" width=\"904\" height=\"148\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/Flujo-de-trabajo-AlpsNmr-300x49.png 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/Flujo-de-trabajo-AlpsNmr-768x125.png 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/Flujo-de-trabajo-AlpsNmr-150x24.png 150w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/Flujo-de-trabajo-AlpsNmr.png 1023w\" data-sizes=\"(max-width: 904px) 100vw, 904px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 904px; --smush-placeholder-aspect-ratio: 904\/148;\" \/><\/a><\/h6>\n<h6><span data-contrast=\"auto\">Flux de treball pas a pas per a l&#8217;an\u00e0lisi <\/span><span data-contrast=\"auto\">metabol\u00f2mic<\/span><span data-contrast=\"auto\">a<\/span><span data-contrast=\"auto\"> basat en RMN no dirigit utilitzant <\/span><span data-contrast=\"auto\">AlpsNMR<\/span><span data-contrast=\"auto\">: una eina R per al sistema de processament espectral automatitzat per <\/span><span data-contrast=\"auto\">metabol\u00f2mica<\/span><span data-contrast=\"auto\"> basada en RMN no dirigida.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h6>\n<hr \/>\n<hr \/>\n<p><strong>Article de refer\u00e8ncia:<\/strong> <span data-contrast=\"none\">Francisco Madrid-<\/span><span data-contrast=\"none\">Gambin<\/span><span data-contrast=\"none\">, S<\/span><span data-contrast=\"none\">ergio<\/span><span data-contrast=\"none\"> Oller-Moreno, L<\/span><span data-contrast=\"none\">uis<\/span> <span data-contrast=\"none\">Fernandez<\/span><span data-contrast=\"none\">, S<\/span><span data-contrast=\"none\">imona<\/span> <span data-contrast=\"none\">Bartova<\/span><span data-contrast=\"none\">, <\/span><span data-contrast=\"none\">M<\/span><span data-contrast=\"none\">aria<\/span><span data-contrast=\"none\"> P. Giner, C<\/span><span data-contrast=\"none\">ristopher<\/span><span data-contrast=\"none\"> Joyce, F<\/span><span data-contrast=\"none\">rancesco<\/span><span data-contrast=\"none\"> Ferraro, <\/span><span data-contrast=\"none\">I<\/span><span data-contrast=\"none\">van<\/span><span data-contrast=\"none\"> Montoliu, S<\/span><span data-contrast=\"none\">ofia<\/span><span data-contrast=\"none\"> Moco<\/span><span data-contrast=\"none\"> and <\/span><span data-contrast=\"none\">S<\/span><span data-contrast=\"none\">antiago<\/span><span data-contrast=\"none\"> Marco<\/span><span data-contrast=\"none\">. <\/span><a href=\"https:\/\/doi.org\/10.1093\/bioinformatics\/btaa022\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">AlpsNMR<\/span><span data-contrast=\"none\">: <\/span><span data-contrast=\"none\">an<\/span><span data-contrast=\"none\"> R package for signal processing of fully untargeted NMR-based metabolom<\/span><span data-contrast=\"none\">i<\/span><span data-contrast=\"none\">cs<\/span><\/a><span data-contrast=\"none\">. <\/span><span data-contrast=\"none\">Bioinformatics<\/span><span data-contrast=\"none\">, <\/span><span data-contrast=\"none\">vol. 36, no. <\/span><span data-contrast=\"none\">9 ,<\/span><span data-contrast=\"none\"> 2943-2945.<\/span><span data-contrast=\"none\">, 2020.<\/span><span data-contrast=\"none\">\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<p><strong>Identificador d&#8217;objecte digital de software<\/strong><b><span data-contrast=\"none\">: <\/span><\/b><a href=\"https:\/\/doi.org\/doi:10.18129\/B9.bioc.AlpsNMR\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">10.18129\/B9.bioc.AlpsNMR<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<h3>Investigadors internacionals de l\u2019IBEC liderats per Santi Marco desenvolupen un software per al descobriment de biomarcadors en diferents mostres biol\u00f2giques com l\u2019orina, extractes de sang o c\u00e8l\u00b7lules. AlpsNMR: una eina R per al sistema de processament espectral automatitzat per metabol\u00f2mica basada en RMN, s&#8217;ha fet p\u00fablica en el repositori principal de bioinform\u00e0tica \u201cBioconductor\u201d. <\/h3>\n","protected":false},"author":4,"featured_media":81303,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[1382,486,1118],"post_formats":[],"class_list":["post-81311","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies-de-recerca","tag-alpsnmr-ca","tag-bist-ca","tag-santiago-marco-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u2019IBEC desenvolupa un software per al descobriment de biomarcadors - Institute for Bioengineering of Catalonia<\/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:\/\/ibecbarcelona.eu\/ca\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019IBEC desenvolupa un software per al descobriment de biomarcadors - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Investigadors internacionals de l\u2019IBEC liderats per Santi Marco desenvolupen un software per al descobriment de biomarcadors en diferents mostres biol\u00f2giques com l\u2019orina, extractes de sang o c\u00e8l\u00b7lules. AlpsNMR: una eina R per al sistema de processament espectral automatitzat per metabol\u00f2mica basada en RMN, s&#039;ha fet p\u00fablica en el repositori principal de bioinform\u00e0tica \u201cBioconductor\u201d.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ibecbarcelona.eu\/ca\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\/\" \/>\n<meta property=\"og:site_name\" content=\"Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-28T11:12:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-03T11:46:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/02\/SMarco_Nestle.png\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"333\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"\u00c0ngels L\u00f3pez\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrit per\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u00c0ngels L\u00f3pez\" \/>\n\t<meta name=\"twitter:label2\" content=\"Temps estimat de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuts\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\\\/\"},\"author\":{\"name\":\"\u00c0ngels L\u00f3pez\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#\\\/schema\\\/person\\\/c212c6b589546130be67986b9290e2b8\"},\"headline\":\"L\u2019IBEC desenvolupa un software per al descobriment de biomarcadors\",\"datePublished\":\"2021-01-28T11:12:02+00:00\",\"dateModified\":\"2021-02-03T11:46:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\\\/\"},\"wordCount\":581,\"publisher\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ibecbarcelona.eu\\\/wp-content\\\/uploads\\\/2021\\\/02\\\/SMarco_Nestle.png\",\"keywords\":[\"AlpsNMR\",\"BIST\",\"Santiago Marco\"],\"articleSection\":[\"Not\u00edcies de recerca\"],\"inLanguage\":\"ca\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\\\/\",\"url\":\"https:\\\/\\\/ibecbarcelona.eu\\\/ca\\\/libec-desenvolupa-un-software-per-al-descobriment-de-biomarcadors\\\/\",\"name\":\"L\u2019IBEC desenvolupa un software per al descobriment de biomarcadors - 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