{"id":1873,"date":"2016-07-26T19:20:13","date_gmt":"2016-07-26T19:20:13","guid":{"rendered":"http:\/\/doctorexpres.ro\/?p=1873"},"modified":"2016-08-24T19:59:18","modified_gmt":"2016-08-24T19:59:18","slug":"cobaii-nu-vor-mai-fi-folositi-in-experimente","status":"publish","type":"post","link":"http:\/\/doctorexpres.ro\/index.php\/2016\/07\/26\/cobaii-nu-vor-mai-fi-folositi-in-experimente\/","title":{"rendered":"Cobaii nu vor mai fi folosi\u0163i \u00een experimente"},"content":{"rendered":"

\u00cenainte ca un nou medicament s\u0103 fie utilizat de oameni, trebuie s\u0103 treac\u0103 prin teste riguroase \u00een care se folosesc, cel mai adesea, animale. Guvernul SUA i-a provocat pe cercet\u0103tori s\u0103 g\u0103seasc\u0103 o alternativ\u0103 mult mai \u201eetic\u0103\u201d pentru testele realizate pe animale. <\/p>\n

Cea mai ambi\u0163ioas\u0103 op\u0163iune este \u00eenlocuirea cobailor cu ,,un corp uman \u00eentr-un cip\u201d, oamenii de \u015ftiin\u0163\u0103 fiind tot mai aproape de crearea unui astfel de dispozitiv. Un astfel de efort implic\u0103 dezvoltarea unui cip care imit\u0103 un organ. O cercetare care are drept scop crearea unui asemenea sistem este condus\u0103 de bioinginerul Linga Griffith, de la Institutul de Tehnologie Massachusetts (MIT).<\/p>\n

Cipul va fi utilizat cel mai des \u00een cercet\u0103rile \u00een care testele pe animale nu furnizeaz\u0103 rezultatele dorite de cercet\u0103tori. De exemplu, tratamentele pentru cancer s\u00eent proiectate pentru distrugerea unei proteine specifice din sistemul imunitar uman, motiv pentru care testele realizate pe animale nu ofer\u0103 acelea\u015fi rezultate pe care le-ar ob\u0163ine speciali\u015ftii dac\u0103 ar realiza investiga\u0163ii pe organe umane. Aceste tratamente trebuie testate \u00een rela\u0163ie cu tot corpul, a\u015fa c\u0103 Griffith a construit un sistem cu \u015fapte \u201eorgane’\u201d \u00eentr-un singur cip. Modulatoarele s\u00eent proiectate s\u0103 imite func\u0163iile unui organ specific, reprezentat de un spectru de \u0163esut uman, inclusiv sistemele circulator, endocrin, gastrointestinal, imunitar, tegumentar, nervos, reproduc\u0103tor sau respirator<\/a>. Majoritatea organelor din cip s\u00eent create din materiale sintetice, precum polimerii, care, de obicei, s\u00eent transparen\u0163i, pentru a putea fi analiza\u0163i la microscop. Un sistem circular de tuburi cu microfluid \u0163ine totul \u00een mi\u015fcare.<\/p>\n

Articolul integral \u00een gandul.info<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00cenainte ca un nou medicament s\u0103 fie utilizat de oameni, trebuie s\u0103 treac\u0103 prin teste riguroase \u00een care se folosesc,<\/p>\n","protected":false},"author":4,"featured_media":1874,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[91],"tags":[2596,2593,2591,2592,2594,2595],"class_list":["post-1873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiri","tag-cercetari-pe-animale","tag-cobai","tag-etica-medicala","tag-experimente-medicale","tag-folosirea-cobailor-interzisa","tag-studii-clinice-cobai"],"yoast_head":"\nCobaii nu vor mai fi folosi\u0163i \u00een experimente - Doctor Expres<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/doctorexpres.ro\/index.php\/2016\/07\/26\/cobaii-nu-vor-mai-fi-folositi-in-experimente\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cobaii nu vor mai fi folosi\u0163i \u00een experimente - 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