{"id":4783,"date":"2016-12-20T22:51:37","date_gmt":"2016-12-20T22:51:37","guid":{"rendered":"http:\/\/doctorexpres.ro\/?p=4783"},"modified":"2016-12-20T22:51:37","modified_gmt":"2016-12-20T22:51:37","slug":"primul-vaccin-oral-pentru-salmonella","status":"publish","type":"post","link":"https:\/\/doctorexpres.ro\/index.php\/2016\/12\/20\/primul-vaccin-oral-pentru-salmonella\/","title":{"rendered":"Primul vaccin oral pentru Salmonella"},"content":{"rendered":"

Cercet\u0103torii de la Universitatea din Texas au dezvoltat un vaccin \u00eempotriva infect\u0103rii cu Salmonella, conceput pentru uz oral. <\/span><\/span><\/p>\n

\u00cen studiile anterioare, cercet\u0103torii au mai realizat \u015fi alte poten\u0163iale vaccinuri<\/a>, din trei versiuni mutante ale bacteriei Salmonella typhimurium, care s-au dovedit c\u0103 au protejat \u0219oarecii \u00eempotriva unei doze letale de Salmonella. \u00cen aceste studii, vaccinurile au fost administrate sub form\u0103 de injec\u021bie. <\/span><\/span><\/p>\n

Cu toate acestea, vaccinarea oral\u0103 este mai simpl\u0103 \u015fi mai pu\u0163in invaziv\u0103 \u015fi intr\u0103 pe aceea\u0219i cale pe care o folose\u015fte \u015fi Salmonella pentru a face ravagii asupra sistemului digestiv. <\/span><\/span><\/p>\n

\u201e\u00cen studiul actual, am analizat r\u0103spunsurile imune ale \u0219oarecilor care au primit vaccinul oral, precum \u0219i modul \u00een care au r\u0103spuns la o doz\u0103 letal\u0103 de Salmonella. Am constatat c\u0103 administrarea oral\u0103<\/a> a produs o imunitate puternic\u0103 \u00eempotriva Salmonella, indic\u00eend poten\u021bialul vaccinurilor de a fi utilizate \u00een viitor pentru oameni<\/em>\u201d, a declarat Ashok Chopra, profesor de microbiologie \u015fi imunologie.<\/span><\/span><\/p>\n

Nu exist\u0103 niciun vaccin <\/a>disponibil \u00een prezent pentru intoxica\u021bii cu Salmonella. Antibioticele s\u00eent prima alegere \u00een tratarea infec\u021biilor cu Salmonella, dar unele tulpini ale bacteriei <\/a>dezvolt\u0103 rapid rezisten\u0163\u0103 la antibiotice. Un alt aspect periculos este c\u0103 Salmonella poate fi folosit\u0103 ca arm\u0103 biologic\u0103. Acest lucru s-a \u00eent\u00eemplat \u00een Oregon, atunci c\u00eend un cult religios a contaminat \u00een mod inten\u021bionat salata <\/a>din restaurante <\/a>\u015fi baruri \u015fi a \u00eemboln\u0103vit 1.000 de oameni. <\/span><\/span><\/p>\n

Salmonella este responsabil\u0103 pentru una dintre cele mai comune boli din lume: toxiinfec\u021bia alimentar\u0103<\/a>. Centrul pentru Controlul si Prevenirea Bolilor din SUA estimeaz\u0103 c\u0103, \u00een lume, exist\u0103 aproximativ 1,4 milioane de cazuri, cu 15.000 de spitalizari \u015fi 400 de decese. Se crede c\u0103, pentru fiecare caz raportat, exist\u0103 aproximativ 39 de infec\u0163ii<\/a> nediagnosticate. Num\u0103rul de cazuri de toxiinfec\u0163ii cu Salmonella \u00een SUA nu s-a schimbat din 1996. <\/span><\/span><\/p>\n

La persoanele cu sistemul imunitar compromis<\/a> \u0219i la copiii mai mici de trei ani au un risc crescut de salmoneloz\u0103 non-typhoidal\u0103 invaziv\u0103, care provoac\u0103 infec\u021bii sistemice. Exist\u0103 aproximativ un milion de cazuri la nivel global pe an, cu o rat\u0103 de mortalitate de 25%.<\/span><\/span><\/p>\n

Sursa: sciencedaily.com<\/a><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Cercet\u0103torii de la Universitatea din Texas au dezvoltat un vaccin \u00eempotriva infect\u0103rii cu Salmonella, conceput pentru uz oral.<\/p>\n","protected":false},"author":4,"featured_media":4784,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[96,1356,91],"tags":[395,5914,5912,5910,5913,5911],"class_list":["post-4783","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-boli","category-imunitate","category-stiri","tag-salmonella","tag-salmonella-statistici","tag-toxiinfectie-alimentara","tag-tulpini-rezistente-bacterii","tag-vaccin-oral","tag-vaccin-salmonella"],"yoast_head":"\nPrimul vaccin oral pentru Salmonella - 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=\"https:\/\/doctorexpres.ro\/index.php\/2016\/12\/20\/primul-vaccin-oral-pentru-salmonella\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Primul vaccin oral pentru Salmonella - 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