{"id":11938,"date":"2024-06-17T23:41:05","date_gmt":"2024-06-17T23:41:05","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11938"},"modified":"2024-06-17T23:41:05","modified_gmt":"2024-06-17T23:41:05","slug":"limb-regeneration-frogs-promise-humans-may-follow","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/biology\/limb-regeneration-frogs-promise-humans-may-follow\/","title":{"rendered":"Regenerace lidsk\u00fdch kon\u010detin: Nad\u011bjn\u00e9 v\u00fdsledky u \u017eab"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Regenerace kon\u010detin: \u017d\u00e1by ukazuj\u00ed slibn\u00e9 v\u00fdsledky, lid\u00e9 mohou n\u00e1sledovat<\/h2>\n\n<h3 class=\"wp-block-heading\">Dr\u00e1pkat\u00e9 \u017e\u00e1by africk\u00e9: Model pro regeneraci<\/h3>\n\n<p>Dr\u00e1pkat\u00e9 \u017e\u00e1by africk\u00e9 jsou mezi \u017eivo\u010dichy jedine\u010dn\u00e9 svou schopnost\u00ed znovu vytv\u00e1\u0159et ztracen\u00e9 kon\u010detiny. Ve voln\u00e9 p\u0159\u00edrod\u011b tyto oboj\u017eiveln\u00edci nedok\u00e1\u017e\u00ed regenerovat slo\u017eit\u00e9 kon\u010detiny jako lid\u00e9, ale nov\u00e1 experiment\u00e1ln\u00ed technika jim pom\u00e1h\u00e1 nahradit ztracen\u00e9 \u010d\u00e1sti t\u011bla, co\u017e d\u00e1v\u00e1 nad\u011bji, \u017ee regenerace lidsk\u00fdch kon\u010detin m\u016f\u017ee b\u00fdt jednoho dne mo\u017en\u00e1.<\/p>\n\n<h3 class=\"wp-block-heading\">Koktejl p\u011bti l\u00e9\u010div<\/h3>\n\n<p>V\u011bdci z Tuftsovy a Harvardovy univerzity amputovali nohu dosp\u011bl\u00e9 samice dr\u00e1pat\u00e9 \u017e\u00e1by africk\u00e9 a pot\u00e9 pah\u00fdl pot\u0159eli speci\u00e1ln\u00edm koktejlem p\u011bti l\u00e9\u010div. L\u00e9\u010diva zahrnovala hormony podporuj\u00edc\u00ed r\u016fst nerv\u016f a sval\u016f a dal\u0161\u00ed, kter\u00e9 br\u00e1n\u00ed t\u011bl\u016fm \u017eab v produkci kolagenu, kter\u00fd vede ke zjizven\u00ed.<\/p>\n\n<h3 class=\"wp-block-heading\">BioDome kryt<\/h3>\n\n<p>Aby stimulovali r\u016fst nov\u00e9 nohy, v\u011bdci aplikovali na r\u00e1nu ka\u017ed\u00e9 \u017e\u00e1by silikonov\u00fd kryt naz\u00fdvan\u00fd \u201eBioDome\u201c. Kryt obsahoval koktejl p\u011bti l\u00e9\u010div a napodoboval tekutinou napln\u011bn\u00fd vak, ve kter\u00e9m se vyv\u00edjej\u00ed embrya, \u010d\u00edm\u017e vytv\u00e1\u0159el prost\u0159ed\u00ed p\u0159\u00edzniv\u00e9 pro regeneraci.<\/p>\n\n<h3 class=\"wp-block-heading\">Ro\u010dn\u00ed proces<\/h3>\n\n<p>B\u011bhem n\u00e1sleduj\u00edc\u00edho roku a p\u016fl dosp\u011bl\u00fdm \u017e\u00e1b\u00e1m narostla funk\u010dn\u00ed struktura podobn\u00e1 noze s nervy, svaly, kostmi a v\u00fdr\u016fstky podobn\u00fdmi prst\u016fm. Regenerovan\u00e9 kon\u010detiny nebyly dokonal\u00e9, chyb\u011bly jim nehty a \u010d\u00e1st plovac\u00ed bl\u00e1ny, ale \u017e\u00e1by byly schopny sv\u00e9 nov\u00e9 nohy pou\u017e\u00edvat k plav\u00e1n\u00ed.<\/p>\n\n<h3 class=\"wp-block-heading\">Kmenov\u00e9 bu\u0148ky a regenerace<\/h3>\n\n<p>\u017divo\u010dichov\u00e9 jako je\u0161t\u011brky, kte\u0159\u00ed dok\u00e1\u017e\u00ed znovu vytv\u00e1\u0159et kon\u010detiny, pou\u017e\u00edvaj\u00ed kmenov\u00e9 bu\u0148ky na konci r\u00e1ny k obnov\u011b sv\u00e9 ztracen\u00e9 kon\u010detiny. Dr\u00e1pkat\u00e9 \u017e\u00e1by africk\u00e9, stejn\u011b jako lid\u00e9, tuto schopnost nemaj\u00ed, ale l\u00e9\u010diva a BioDome kryt zd\u00e1 se aktivuj\u00ed sp\u00edc\u00ed regenera\u010dn\u00ed schopnosti u t\u011bchto \u017eivo\u010dich\u016f.<\/p>\n\n<h3 class=\"wp-block-heading\">Potenci\u00e1l regenerace lidsk\u00fdch kon\u010detin<\/h3>\n\n<p>\u00dasp\u011bch experimentu s dr\u00e1pat\u00fdmi \u017e\u00e1bami africk\u00fdmi dal v\u011bdc\u016fm nad\u011bji, \u017ee regenerace lidsk\u00fdch kon\u010detin m\u016f\u017ee b\u00fdt mo\u017en\u00e1 b\u011bhem n\u011bkolika desetilet\u00ed. V\u011bdci v\u011b\u0159\u00ed, \u017ee integrace biomedic\u00ednsk\u00e9ho in\u017een\u00fdrstv\u00ed a biologie povede k nov\u00fdm pokrok\u016fm, kter\u00e9 z toho ud\u011blaj\u00ed realitu.<\/p>\n\n<h3 class=\"wp-block-heading\">V\u00fdzvy a budouc\u00ed v\u00fdzkum<\/h3>\n\n<p>Zat\u00edmco v\u00fdsledky s dr\u00e1pat\u00fdmi \u017e\u00e1bami africk\u00fdmi jsou slibn\u00e9, v\u011bdci uzn\u00e1vaj\u00ed, \u017ee pou\u017eit\u00ed t\u00e9to techniky u my\u0161\u00ed p\u0159edstav\u00ed nov\u00e9 v\u00fdzvy. My\u0161i maj\u00ed odli\u0161n\u00fd imunitn\u00ed syst\u00e9m a proces hojen\u00ed ran ne\u017e \u017e\u00e1by, tak\u017ee l\u00e9\u010diva a BioDome kryt mohou muset b\u00fdt upraveny.<\/p>\n\n<p>Navzdory t\u011bmto p\u0159ek\u00e1\u017ek\u00e1m jsou v\u011bdci optimisti\u010dt\u00ed, \u017ee jejich pr\u00e1ce nakonec povede k l\u00e9\u010db\u011b, kter\u00e1 m\u016f\u017ee pomoci lidem regenerovat ztracen\u00e9 kon\u010detiny. V\u011b\u0159\u00ed, \u017ee schopnost znovu vytvo\u0159it slo\u017eit\u00e9 struktury jako kon\u010detiny by m\u011bla z\u00e1sadn\u00ed vliv na \u017eivoty lid\u00ed, kte\u0159\u00ed utrp\u011bli amputace nebo jin\u00e1 zran\u011bn\u00ed kon\u010detin.<\/p>\n\n<h3 class=\"wp-block-heading\">Dlouhoocas\u00e1 kl\u00ed\u010dov\u00e1 slova<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>Jak BioDome kryt napodobuje prost\u0159ed\u00ed plodov\u00e9 vody?<\/strong> BioDome kryt je silikonov\u00fd kryt, kter\u00fd obsahuje sm\u011bs p\u011bti l\u00e9\u010div. Je navr\u017een tak, aby napodoboval tekutinou napln\u011bn\u00fd vak, ve kter\u00e9m se vyv\u00edjej\u00ed embrya, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed prost\u0159ed\u00ed p\u0159\u00edzniv\u00e9 pro regeneraci.<\/li>\n<li><strong>Jak\u00e9 jsou p\u0159ek\u00e1\u017eky p\u0159i pou\u017eit\u00ed techniky regenerace kon\u010detin u my\u0161\u00ed?<\/strong> My\u0161i maj\u00ed odli\u0161n\u00fd imunitn\u00ed syst\u00e9m a proces hojen\u00ed ran ne\u017e \u017e\u00e1by, tak\u017ee l\u00e9\u010diva a BioDome kryt mohou muset b\u00fdt upraveny, aby u my\u0161\u00ed \u00fa\u010dinn\u011b fungovaly.<\/li>\n<li><strong>Kdy v\u011bdci o\u010dek\u00e1vaj\u00ed, \u017ee bude mo\u017en\u00e1 regenerace lidsk\u00fdch kon\u010detin?<\/strong> V\u011bdci v\u011b\u0159\u00ed, \u017ee regenerace lidsk\u00fdch kon\u010detin m\u016f\u017ee b\u00fdt mo\u017en\u00e1 b\u011bhem n\u011bkolika desetilet\u00ed. Uzn\u00e1vaj\u00ed v\u0161ak, \u017ee p\u0159edt\u00edm, ne\u017e se to stane realitou, je st\u00e1le t\u0159eba p\u0159ekonat ur\u010dit\u00e9 v\u00fdzvy.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Regenerace kon\u010detin: \u017d\u00e1by ukazuj\u00ed slibn\u00e9 v\u00fdsledky, lid\u00e9 mohou n\u00e1sledovat Dr\u00e1pkat\u00e9 \u017e\u00e1by africk\u00e9: Model pro regeneraci Dr\u00e1pkat\u00e9 \u017e\u00e1by africk\u00e9 jsou mezi \u017eivo\u010dichy jedine\u010dn\u00e9 svou schopnost\u00ed znovu vytv\u00e1\u0159et ztracen\u00e9 kon\u010detiny. Ve voln\u00e9&hellip;<\/p>\n","protected":false},"author":6,"featured_media":23681,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[16119,16118,16117,16097,15438],"class_list":["post-11938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biology","tag-biomedical-engineering","tag-stem-cells","tag-limb-regeneration","tag-frogs","tag-human-health"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=11938"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11938\/revisions"}],"predecessor-version":[{"id":11939,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11938\/revisions\/11939"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23681"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=11938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=11938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=11938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}