{"id":23306,"date":"2015-10-31T09:48:48","date_gmt":"2015-10-31T08:48:48","guid":{"rendered":"http:\/\/www.invarena.cz\/?p=23306"},"modified":"2015-10-31T09:48:48","modified_gmt":"2015-10-31T08:48:48","slug":"kmenove-bunky-ve-spojeni-s-nanovlakny-by-mohly-zachranovat-zrak","status":"publish","type":"post","link":"https:\/\/www.invarena.cz\/?p=23306","title":{"rendered":"Kmenov\u00e9 bu\u0148ky ve spojen\u00ed s nanovl\u00e1kny by mohly zachra\u0148ovat zrak"},"content":{"rendered":"<p><strong>Kmenov\u00e9 bu\u0148ky, pro jejich\u017e r\u016fst a p\u0159enos na oko jsou vyu\u017e\u00edv\u00e1na speci\u00e1ln\u00ed nanovl\u00e1kna, by mohly v\u00fdznamn\u011b zlep\u0161it hojen\u00ed po\u0161kozen\u00e9ho povrchu oka a p\u0159\u00edpadn\u011b zachra\u0148ovat zrak. <\/strong><!--more--><\/p>\n<p>V r\u00e1mci z\u00e1kladn\u00edho v\u00fdzkumu to prok\u00e1zali v\u011bdci z \u00dastavu experiment\u00e1ln\u00ed medic\u00edny Akademie v\u011bd \u010cR, kte\u0159\u00ed vyu\u017eili nanovl\u00e1kna vyvinut\u00e1 Technickou univerzitou v Liberci. \u010cTK o tom informovala mluv\u010d\u00ed Grantov\u00e9 agentury \u010cR Gabriela Bechynsk\u00e1.<br \/>\n    Pr\u00e1v\u011b Grantov\u00e1 agentura tento v\u00fdzkum financovala. Aby mohla b\u00fdt zji\u0161t\u011bn\u00ed v\u011bdc\u016f uvedena do praxe, mus\u00ed b\u00fdt bezpe\u010dnost a \u00fa\u010dinnost terapie prok\u00e1z\u00e1na klinick\u00fdmi testy a schv\u00e1lena St\u00e1tn\u00edm \u00fastavem pro kontrolu l\u00e9\u010div. Zat\u00edm se testy d\u011blaly pouze na pokusn\u00fdch zv\u00ed\u0159atech.<br \/>\n    Kmenov\u00e9 bu\u0148ky mohou b\u00fdt z\u00edsk\u00e1ny ze zdrav\u00e9ho oka, kostn\u00ed d\u0159en\u011b nebo tukov\u00e9 tk\u00e1n\u011b pacienta, p\u0159\u00edpadn\u011b od d\u00e1rce. Nanovl\u00e1kna zaji\u0161\u0165uj\u00ed, \u017ee na nich nap\u011bstovan\u00e9 bu\u0148ky z\u016fstanou v oku na spr\u00e1vn\u00e9m m\u00edst\u011b. Podle vedouc\u00edho v\u00fdzkumu Vladim\u00edra Hol\u00e1n\u011b je tato metoda celosv\u011btov\u011b unik\u00e1tn\u00ed.<br \/>\n    V n\u011bkter\u00fdch st\u00e1tech se u\u017e l\u00e9\u010dba oka pomoc\u00ed kmenov\u00fdch bun\u011bk vyu\u017e\u00edv\u00e1 v klinick\u00e9 praxi. &#8222;Tam, kde je tato l\u00e9\u010dba umo\u017en\u011bna, se zat\u00edm m\u00edsto nanovl\u00e1ken pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 druhy gel\u016f, kolagenov\u00fdch nosi\u010d\u016f nebo kontaktn\u00edch \u010do\u010dek,&#8220; uv\u00e1d\u00ed tiskov\u00e1 zpr\u00e1va. Tento zp\u016fsob terapie m\u016f\u017ee b\u00fdt \u0159e\u0161en\u00edm v p\u0159\u00edpadech rozs\u00e1hlej\u0161\u00edho po\u0161kozen\u00ed oka, kter\u00e9 nemohou vyl\u00e9\u010dit sou\u010dasn\u00e9 metody spo\u010d\u00edvaj\u00edc\u00ed p\u0159edev\u0161\u00edm v transplantaci rohovky z\u00edskan\u00e9 od d\u00e1rce.<br \/>\n    Rohovka chr\u00e1n\u00ed povrch oka a z\u00e1rove\u0148 zprost\u0159edkov\u00e1v\u00e1 p\u0159enos sv\u011bteln\u00fdch paprsk\u016f na s\u00edtnici. Sn\u00ed\u017een\u00ed jej\u00ed pr\u016fhlednosti m\u016f\u017ee v\u00e9st ke zhor\u0161en\u00ed zraku, v krajn\u00edch p\u0159\u00edpadech a\u017e ke slepot\u011b. Proto se hledaj\u00ed postupy, kter\u00e9 by mohly b\u00fdt alternativou k transplantaci.<br \/>\n    Kmenov\u00e9 bu\u0148ky by mohly pom\u00e1hat tak\u00e9 p\u0159i onemocn\u011bn\u00ed s\u00edtnice. &#8222;P\u0159edev\u0161\u00edm p\u0159i takzvan\u00e9 diabetick\u00e9 retinopatii, co\u017e je nez\u00e1n\u011btliv\u00e9 onemocn\u011bn\u00ed s\u00edtnice, kter\u00e9 vznik\u00e1 jako d\u016fsledek celkov\u00e9ho posti\u017een\u00ed c\u00e9v u pacient\u016f s cukrovkou, a m\u016f\u017ee v\u00e9st k z\u00e1va\u017en\u00e9 poru\u0161e zraku a\u017e k \u00fapln\u00e9 slepot\u011b,&#8220; uvedla mluv\u010d\u00ed. Pokud by m\u011bly b\u00fdt kmenov\u00e9 bu\u0148ky pou\u017e\u00edv\u00e1ny v t\u011bchto p\u0159\u00edpadech, bylo by t\u0159eba zajistit jejich p\u0159enos a\u017e k s\u00edtnici do zadn\u00ed \u010d\u00e1sti oka.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Kmenov\u00e9 bu\u0148ky, pro jejich\u017e r\u016fst a p\u0159enos na oko jsou vyu\u017e\u00edv\u00e1na speci\u00e1ln\u00ed nanovl\u00e1kna, by mohly v\u00fdznamn\u011b zlep\u0161it hojen\u00ed po\u0161kozen\u00e9ho povrchu oka a p\u0159\u00edpadn\u011b zachra\u0148ovat zrak.<\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-23306","post","type-post","status-publish","format-standard","hentry","category-zdravi"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/23306","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=23306"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/23306\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}