{"id":69520,"date":"2020-03-04T11:24:48","date_gmt":"2020-03-04T09:24:48","guid":{"rendered":"http:\/\/www.btv.md\/?p=69520"},"modified":"2020-03-04T11:24:48","modified_gmt":"2020-03-04T09:24:48","slug":"efectele-imunoterapiei-imbunatateste-vitamina-c","status":"publish","type":"post","link":"https:\/\/www.btv.md\/ro\/efectele-imunoterapiei-imbunatateste-vitamina-c\/","title":{"rendered":"Efectele imunoterapiei \u00eembun\u0103t\u0103\u0163e\u015fte vitamina C"},"content":{"rendered":"<div class=\"box-extratitle\">\n<p><strong>O echip\u0103 de cercet\u0103tori a administrat doze mari de vitamina C unor \u015foricei supus\u015fi imunoterapiei \u015fi au observat o \u00eencetinire \/ stagnare a cre\u015fterii tumorilor acestora.<\/strong><\/p>\n<p>\u00centr-un studiu \u00een care au luat parte oameni de \u015ftiin\u0163\u0103 de la mai multe institute de cercetare din Italia se arat\u0103 c\u0103 administrarea unor doze mari de acid asorbic, cunoscut \u00een mod comun ca vitamina C, \u00eembun\u0103t\u0103\u0163e\u015fte efectele imunoterapiei. Cercet\u0103torii au observat c\u0103 tumorile \u015foriceilor \u015fi-au \u00eencetinit cre\u015fterea sau au stagnat, noteaz\u0103 Medicalxpress.<\/p>\n<p>Oamenii de \u015ftiin\u0163\u0103 au b\u0103nuit din anii &#8217;70 c\u0103 tratamentele pacien\u0163ilor care sufer\u0103 de cancer pot fi mai eficiente dac\u0103 \u00een completarea acestora sunt administrate doze mari de vitamina C, totu\u015fi, diferitele studii efectuate \u00een acea perioad\u0103 nu au reu\u015fit s\u0103 ofere dovezi concludente ale acestei rela\u0163ii \u015fi aceast\u0103 ipotez\u0103 a fost abandonat\u0103. \u00cen ultimii ani, cercet\u0103torii au reluat testarea acestei ipoteze, ace\u015ftia argument\u00e2nd c\u0103 administrarea oral\u0103 a vitaminei C nu asigur\u0103 o absorb\u0163ie eficient\u0103 a acesteia.<\/p>\n<p>\u00cen acest nou studiu, oamenii de \u015ftiin\u0163\u0103 au decis s\u0103 administreze intravenos vitamina C \u015foriceilor care prezentau tumori caracterisitice melanomului, cancerului colorectal, pancreatic \u015fi de s\u00e2n. Dozele mari de vitamina C au sprijinit func\u0163ionarea celulelor T, dar \u015fi func\u0163ionarea a dou\u0103 tipuri de anticorpi: PD-1 \u015fi CTLA-4. \u00cen unele cazuri, vitamina C a fost asociat\u0103 cu o dispari\u0163ie a tumorilor produse de cancerul de s\u00e2n.<\/p>\n<p>\u00cen ciuda efectele pozitive pe care administrarea vitaminei C a avut-o asupra st\u0103rii de s\u0103n\u0103tate a \u015foriceilor, oamenii de \u015ftiin\u0163\u0103 explic\u0103 faptul c\u0103 \u00een cazul oamenilor pot exista probleme majore legate de adaptarea tratamentului. Mai exact, cercet\u0103torii au admministrat echivalentul \u00eentregii cantit\u0103\u0163i de vitamina C dintr-o portocal\u0103, zi de zi, \u015foriceilor; calculele arat\u0103 c\u0103 pentru un om asta ar \u00eensemna o cantitate de acid absorbic care poate fi g\u0103sit\u0103 \u00een 2.000 de portocale.<\/p>\n<p>Studiul a fost publicat \u00een <em>Science Translational Medicine<\/em>.<\/p>\n<p>Sursa: <a href=\"https:\/\/www.descopera.ro\/dnews\/18903199-vitamina-c-imbunatateste-efectele-imunoterapiei?fbclid=IwAR0Wh1mgHg9cVyX75jeMto7ULVZ0QY9OOnB40G_QysdEq3cnjvaFYi5rJRA\">descopera.ro<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O echip\u0103 de cercet\u0103tori a administrat doze mari de vitamina C unor \u015foricei supus\u015fi imunoterapiei \u015fi au observat o \u00eencetinire \/ stagnare a cre\u015fterii tumorilor acestora. \u00centr-un studiu \u00een care au luat parte oameni de \u015ftiin\u0163\u0103 de la mai multe institute de cercetare din Italia se arat\u0103 c\u0103 administrarea unor doze mari de acid asorbic, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":69521,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6349,6377],"tags":[11419,11418,11417],"class_list":["post-69520","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-social","category-stiri","tag-imbunatatire","tag-imunoterapia","tag-vitamina-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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