{"id":84152,"date":"2025-07-23T06:39:47","date_gmt":"2025-07-23T04:39:47","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=84152"},"modified":"2025-07-23T06:39:47","modified_gmt":"2025-07-23T04:39:47","slug":"vitamin-c-spousti-regeneraci-pokozky-aktivovanim-genu-mladi","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/07\/23\/vitamin-c-spousti-regeneraci-pokozky-aktivovanim-genu-mladi\/","title":{"rendered":"Vitamin C spou\u0161t\u00ed regeneraci poko\u017eky aktivov\u00e1n\u00edm \u201egen\u016f ml\u00e1d\u00ed\u201c"},"content":{"rendered":"
<\/div>\n

Pr\u016flomov\u00e1 studie proveden\u00e1 japonsk\u00fdmi v\u00fdzkumn\u00edky odhalila v\u00fdraznou schopnost vitam\u00ednu C omlazovat st\u00e1rnouc\u00ed poko\u017eku na genetick\u00e9 \u00farovni.<\/span><\/p>\n

V\u00fdzkum publikovan\u00fd v odborn\u00e9m \u010dasopise\u00a0<\/span>The Journal of Investigative Dermatology (\u017durn\u00e1l investigativn\u00ed dermatologie<\/span><\/em> ) dokazuje, \u017ee vitam\u00edn C revitalizuje kl\u00ed\u010dov\u00e9 geny zodpov\u011bdn\u00e9 za r\u016fst ko\u017en\u00edch bun\u011bk, \u010d\u00edm\u017e buduje hrub\u0161\u00ed epidermu a napravuje ch\u0159adnut\u00ed poko\u017eky souvisej\u00edc\u00ed s v\u011bkem.<\/span><\/p>\n

Tento objev spojuje v\u011bdu p\u00e9\u010de o ple\u0165 s v\u00fd\u017eivou a m\u011bn\u00ed pohled odborn\u00edk\u016f na synergii mezi stravou a medic\u00ednou.<\/span><\/p>\n

Zvr\u00e1cen\u00ed st\u00e1rnut\u00ed poko\u017eky na bun\u011b\u010dn\u00e9 \u00farovni<\/span><\/h2>\n

V\u011bdeck\u00e1 studie pod veden\u00edm Dr. Akihita Ishigamiho z\u00a0<\/span>Tokijsk\u00e9ho metropolitn\u00edho institutu pro geriatrii a gerontologii<\/span><\/em>\u00a0(TMIG) analyzovala vliv vitam\u00ednu C na lidskou epidermu.<\/span><\/p>\n

Pomoc\u00ed laboratorn\u011b vyp\u011bstovan\u00fdch model\u016f k\u016f\u017ee (\u201eepiderm\u00e1ln\u00ed ekvivalenty\u201c) v\u00fdzkumn\u00edci aplikovali roztoky vitam\u00ednu C napodobuj\u00edc\u00ed p\u0159irozen\u00e9 hladiny nach\u00e1zej\u00edc\u00ed se v krvi (0,1 a\u017e 1,0 mol\/ml).<\/span><\/p>\n

B\u011bhem dvou t\u00fddn\u016f pozorovaly pozoruhodn\u00e9 v\u00fdsledky: \u017eiv\u00e1 vrstva k\u016f\u017ee (epiderma) v\u00fdrazn\u011b zhrubla, zat\u00edmco vn\u011bj\u0161\u00ed vrstva odum\u0159el\u00fdch bun\u011bk (stratum corneum) se zten\u010dila \u2013 co\u017e je znakem zrychlen\u00e9 bun\u011b\u010dn\u00e9 obnovy.<\/span><\/p>\n

Do 14. dne vykazovala poko\u017eka o\u0161et\u0159en\u00e1 vitam\u00ednem C 1,6 a\u017e 75,2n\u00e1sobn\u00fd n\u00e1r\u016fst ve 12 kl\u00ed\u010dov\u00fdch genech spojen\u00fdch s proliferac\u00ed bun\u011bk.<\/span><\/p>\n

Sou\u010dasn\u011b se zv\u00fd\u0161ila aktivita enzymu TET \u2013 procesu, kter\u00fd p\u0159em\u011b\u0148uje modifikace DNA na aktivaci r\u016fstov\u00fdch gen\u016f, d\u00edky roli vitam\u00ednu C p\u0159i darov\u00e1n\u00ed elektron\u016f.<\/span><\/p>\n

\u201eVitamin C pom\u00e1h\u00e1 budovat hrub\u0161\u00ed poko\u017eku t\u00edm, \u017ee podporuje proliferaci keratinocyt\u016f prost\u0159ednictv\u00edm demetylace DNA,\u201c<\/span><\/em>\u00a0zd\u016fraznil Dr. Ishigami a pouk\u00e1zal na jeho slibn\u00e9 \u00fa\u010dinky u star\u0161\u00edch dosp\u011bl\u00fdch se zten\u010duj\u00edc\u00ed se poko\u017ekou.<\/span><\/p>\n

V\u011bda o genetick\u00e9 aktivaci pomoc\u00ed vitam\u00ednu C<\/span><\/h2>\n

Mechanismus \u00fa\u010dinku vitam\u00ednu C z\u00e1vis\u00ed na epigenetick\u00fdch zm\u011bn. Metylace DNA obvykle uml\u010d\u00ed geny p\u0159ipojen\u00edm metylov\u00fdch skupin k cytosinov\u00fdm b\u00e1z\u00edm.<\/span><\/p>\n

Vitamin C p\u016fsob\u00ed jako kofaktor pro enzymy TET, kter\u00e9 tyto metylov\u00e9 skupiny odstra\u0148uj\u00ed a reaktivuj\u00ed geny souvisej\u00edc\u00ed s r\u016fstem. Konkr\u00e9tn\u011b vitam\u00edn C daruje elektrony na regeneraci Fe\u00b2 z Fe\u00b3, \u010d\u00edm\u017e udr\u017euje funkci TET a umo\u017e\u0148uje demetylaci DNA.<\/span><\/p>\n

Bez vitam\u00ednu C se aktivita enzym\u016f TET zpomaluje, \u010d\u00edm\u017e se geny zanech\u00e1vaj\u00ed neaktivn\u00ed. P\u0159i dod\u00e1n\u00ed vitam\u00ednu C epiderma zhrubne, proto\u017ee keratinocyty, ze kter\u00fdch poch\u00e1z\u00ed 90% epiderm\u00e1ln\u00edch bun\u011bk, za\u010dnou proliferovat.<\/span><\/p>\n

Studie to potvrdila blokov\u00e1n\u00edm aktivity TET: kdy\u017e byla zablokov\u00e1na, p\u0159\u00ednosy vitaminu C zmizely.<\/span><\/p>\n

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Praktick\u00e9 vyu\u017eit\u00ed t\u011bchto poznatk\u016f p\u0159i p\u00e9\u010di o ple\u0165 a v\u00fd\u017eiv\u011b<\/span><\/h2>\n<\/div>\n<\/div>\n

Zji\u0161t\u011bn\u00ed potvrzuj\u00ed dvoj\u00ed v\u00fdznam vitam\u00ednu C aplikovan\u00e9ho lok\u00e1ln\u011b i pod\u00e1van\u00e9ho ve strav\u011b. Lok\u00e1ln\u00ed aplikace zlep\u0161uje lok\u00e1ln\u00ed dod\u00e1v\u00e1n\u00ed \u017eivin, zat\u00edmco vnit\u0159n\u00ed p\u0159\u00edjem zaji\u0161\u0165uje syst\u00e9movou podporu.<\/span><\/p>\n

Studie odkazuje na st\u00e1vaj\u00edc\u00ed v\u00fdzkum, kter\u00fd poukazuje na z\u00e1vislost kolagenu na vitaminu C: tato \u017eivina je kl\u00ed\u010dov\u00e1 pro synt\u00e9zu kolagenu, kter\u00fd udr\u017euje elasticitu poko\u017eky a opravuje po\u0161kozen\u00ed UV z\u00e1\u0159en\u00edm.<\/span><\/p>\n

Odborn\u00edci doporu\u010duj\u00ed na podporu zdrav\u00ed poko\u017eky a bun\u011bk konzumovat 3 000 a\u017e 5 000 mg vitam\u00ednu C denn\u011b spolu s bioflavonoidy, ide\u00e1ln\u011b rozd\u011blen\u00fdch do men\u0161\u00edch d\u00e1vek.<\/span><\/p>\n

Z\u00e1kladn\u00ed p\u0159\u00edjem vitam\u00ednu C poskytuj\u00ed zdroje ve strav\u011b, jako jsou citrusy, paprika \u010di kiwi, ale pro optim\u00e1ln\u00ed hladiny mohou b\u00fdt zapot\u0159eb\u00ed dopl\u0148ky stravy.<\/span><\/p>\n

Kombinace peror\u00e1ln\u00edho p\u0159\u00edjmu vitam\u00ednu C a p\u00e9\u010de o ple\u0165 pomoc\u00ed kosmetiky obohacen\u00e9 o vitam\u00edn C (jako jsou s\u00e9ra) zesiluje dosa\u017een\u00e9 v\u00fdsledky.<\/span><\/p>\n

V\u00fdvoj role v\u00fd\u017eivy v dermatologii<\/span><\/h2>\n

P\u00e9\u010de o ple\u0165 se desetilet\u00ed zam\u011b\u0159ovala v\u00fdlu\u010dn\u011b na lok\u00e1ln\u00ed \u0159e\u0161en\u00ed. Tento v\u00fdzkum v\u015bak pouk\u00e1zal na v\u00fd\u017eivu jako z\u00e1kladn\u00ed pil\u00ed\u0159.<\/span><\/p>\n

Ji\u017e v 80. letech 20. stolet\u00ed studie spojovaly\u00a0<\/span>vitamin C<\/span><\/a>\u00a0se synt\u00e9zou kolagenu, ale jeho epigenetick\u00fd vliv z\u016fstal neprozkoum\u00e1n. Nyn\u00ed, s pr\u016flomem z Japonska, se tento p\u0159\u00edb\u011bh m\u011bn\u00ed: vitalita pleti nen\u00ed jen o ple\u0165ov\u00fdch ml\u00e9k\u00e1ch, ale tak\u00e9 o stravovac\u00edch n\u00e1vyc\u00edch.<\/span><\/p>\n

Tato souvislost p\u0159edstavuje kl\u00ed\u010dov\u00fd poznatek uprost\u0159ed rostouc\u00edch obav ze st\u00e1rnut\u00ed populace a chronick\u00e9ho vystaven\u00ed se UV z\u00e1\u0159en\u00ed.<\/span><\/p>\n

Odhaduje se, \u017ee do roku 2050 bude 1,5 miliardy lid\u00ed nad 65 let \u010delit akceleraci zten\u010dov\u00e1n\u00ed poko\u017eky, co\u017e \u010din\u00ed roli vitam\u00ednu C v bun\u011b\u010dn\u00e9 regeneraci klinicky v\u00fdznamnou.<\/span><\/p>\n

Nov\u00e1 \u00e9ra pro zdrav\u00ed poko\u017eky<\/span><\/h2>\n

Studie Dr. Ishigamiho uv\u00e1d\u00ed vitamin C jako dvoj\u00ed prost\u0159edek \u2013 lok\u00e1ln\u00ed terapii i z\u00e1kladn\u00ed prvek stravy pro udr\u017een\u00ed mladistv\u00e9 struktury poko\u017eky.<\/span><\/p>\n

P\u0159ep\u00edn\u00e1n\u00edm genetick\u00fdch sp\u00edna\u010d\u016f a zv\u00fd\u0161en\u00edm v\u00fdkonu enzymu TET nab\u00edz\u00ed nad\u011bji na neinvazivn\u00ed \u0159e\u0161en\u00ed st\u00e1rnouc\u00ed poko\u017eky.<\/span><\/p>\n

\u201eD\u016fsledky sahaj\u00ed daleko za estetiku,\u201c<\/span><\/em>\u00a0\u0159\u00edk\u00e1 dermatolo\u017eka Dr. Emily Fieldsov\u00e1 s odkazem na jeho ochrannou roli p\u0159ed environment\u00e1ln\u00edmi po\u0161kozen\u00edmi poko\u017eky.<\/span><\/p>\n

S postupuj\u00edc\u00edm v\u00fdzkumem se synergie v\u00fd\u017eivy a lok\u00e1ln\u00ed p\u00e9\u010de objevuje jako transforma\u010dn\u00ed hranice \u2013 hranice, kde se v\u011bda o jednoduch\u00fdch vitam\u00ednech st\u00e1le v\u00edce prohlubuje.<\/span><\/p>\n

Autor: Willow Thoi, Zdroj:\u00a0<\/span>naturalnews.com<\/span><\/a>\u00a0<\/span><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Pr\u016flomov\u00e1 studie proveden\u00e1 japonsk\u00fdmi v\u00fdzkumn\u00edky odhalila v\u00fdraznou schopnost vitam\u00ednu C omlazovat st\u00e1rnouc\u00ed poko\u017eku na genetick\u00e9…<\/p>\n","protected":false},"author":2,"featured_media":84153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[9407,9531,9530,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/84152"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=84152"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/84152\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/84153"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=84152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=84152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=84152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}