{"id":3797,"date":"2013-04-15T09:49:55","date_gmt":"2013-04-15T07:49:55","guid":{"rendered":"http:\/\/www.invarena.cz\/?p=3797"},"modified":"2013-04-15T10:03:21","modified_gmt":"2013-04-15T08:03:21","slug":"vypestovali-prvni-bio-ledviny-vhodne-k-transplantaci","status":"publish","type":"post","link":"https:\/\/www.invarena.cz\/?p=3797","title":{"rendered":"Vyp\u011bstovali prvn\u00ed &#8222;bio-ledviny&#8220; vhodn\u00e9 k transplantaci"},"content":{"rendered":"<p><strong>Ameri\u010dt\u00ed v\u011bdci v\u010dera p\u0159edvedli laboratorn\u011b vyp\u011bstovan\u00e9 biologick\u00e9 ledviny, kter\u00e9 po transplantaci krys\u00e1m filtrovaly krev a produkovaly mo\u010d. To znamen\u00e1 dal\u0161\u00ed krok vp\u0159ed ve snaze pomoci pacient\u016fm, kte\u0159\u00ed trp\u00ed selh\u00e1n\u00edm ledvin, napsala agentura AFP.<\/strong><!--more--><\/p>\n<p>Tento prototyp dokazuje, \u017ee &#8222;bio-ledviny&#8220; mohou fungovat, uvedli v\u011bdci, kte\u0159\u00ed v\u00fdzkum zve\u0159ejnili v \u010dasopise Nature Medicine.<\/p>\n<p>Ledviny filtruj\u00ed krev a zbavuj\u00ed ji \u0161kodliv\u00fdch produkt\u016f metabolismu i nadbyte\u010dn\u00e9 vody. V\u00fdhodou t\u011bchto &#8222;biologick\u00fdch&#8220; ledvin je, \u017ee jsou vyp\u011bstov\u00e1ny z vlastn\u00edch bun\u011bk pacienta, v tomto p\u0159\u00edpad\u011b laboratorn\u00ed krysy.<\/p>\n<p>Vize v\u011bdc\u016f stav\u00ed na vyjmut\u00ed nefunk\u010dn\u00ed ledviny, kterou zbav\u00ed v\u0161ech star\u00fdch bun\u011bk, a\u017e vznikne pr\u00e1zdn\u00e1 &#8222;slupka&#8220; s vo\u0161tinovou strukturou\u00a0podobnou v\u010del\u00ed pl\u00e1stvi. Pak se ledviny znovu &#8222;vybuduj\u00ed&#8220; s vyu\u017eit\u00edm bun\u011bk odebran\u00fdch pacientovi, uvedl zpravodajsk\u00fd server BBC News.<\/p>\n<p>Tento postup by m\u011bl dv\u011b velk\u00e9 v\u00fdhody oproti sou\u010dasn\u00e9 transplantaci org\u00e1nu. Tk\u00e1\u0148 by se shodovala s pacientovou, a tud\u00ed\u017e by odpadla nutnost cel\u00fd \u017eivot u\u017e\u00edvat l\u00e9ky potla\u010duj\u00edc\u00ed imunitn\u00ed syst\u00e9m, aby &#8222;ciz\u00ed&#8220; org\u00e1n neodm\u00edtal. Zna\u010dn\u011b by tak\u00e9 zv\u00fd\u0161ila po\u010det dostupn\u00fdch org\u00e1n\u016f pro transplantaci, proto\u017ee i ty ledviny, kter\u00e9 jsou nyn\u00ed odm\u00edtnuty, by mohly poslou\u017eit jako z\u00e1klad pro vytvo\u0159en\u00ed nov\u00e9.<\/p>\n<p>Po\u010dty pacient\u016f, jim\u017e selh\u00e1vaj\u00ed ledviny a mus\u00ed kv\u016fli tomu n\u011bkolikr\u00e1t t\u00fddn\u011b nav\u0161t\u011bvovat dial\u00fdzu, neust\u00e1le celosv\u011btov\u011b p\u0159ib\u00fdv\u00e1. Nap\u0159\u00edklad v \u010cesku chod\u00ed pravideln\u011b do dialyza\u010dn\u00edho centra na 5600 lid\u00ed a ka\u017edoro\u010dn\u00ed n\u00e1r\u016fst \u010din\u00ed a\u017e 10 procent. Ledviny pat\u0159\u00ed k nej\u017e\u00e1dan\u011bj\u0161\u00edm org\u00e1n\u016fm k transplantaci s dlouh\u00fdmi seznamy \u010dekatel\u016f.<\/p>\n<p>Nad\u00e1le je ale nutn\u00e9 prov\u00e1d\u011bt dal\u0161\u00ed testy a p\u0159ekonat \u0159adu probl\u00e9m\u016f, ne\u017e bude mo\u017en\u00e9 zah\u00e1jit v\u00fdzkum na lidech, uvedli ameri\u010dt\u00ed v\u00fdzkumn\u00edci.<\/p>\n<p>invArena<\/p>\n<p>MUDr. Jan \u010cin\u010dura<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Ameri\u010dt\u00ed v\u011bdci v\u010dera p\u0159edvedli laboratorn\u011b vyp\u011bstovan\u00e9 biologick\u00e9 ledviny, kter\u00e9 po transplantaci krys\u00e1m filtrovaly krev a produkovaly mo\u010d. To znamen\u00e1 dal\u0161\u00ed krok vp\u0159ed ve snaze pomoci <a class=\"mh-excerpt-more\" href=\"https:\/\/www.invarena.cz\/?p=3797\" title=\"Vyp\u011bstovali prvn\u00ed &#8222;bio-ledviny&#8220; vhodn\u00e9 k transplantaci\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-3797","post","type-post","status-publish","format-standard","hentry","category-zdravi"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/3797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3797"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/3797\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}