{"id":79796,"date":"2025-05-28T00:23:21","date_gmt":"2025-05-27T22:23:21","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=79796"},"modified":"2025-05-27T13:25:43","modified_gmt":"2025-05-27T11:25:43","slug":"jak-popularni-prisada-do-energetickych-napoju-pomaha-rustu-leukemickych-bunek","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/05\/28\/jak-popularni-prisada-do-energetickych-napoju-pomaha-rustu-leukemickych-bunek\/","title":{"rendered":"Jak popul\u00e1rn\u00ed p\u0159\u00edsada do energetick\u00fdch n\u00e1poj\u016f pom\u00e1h\u00e1 r\u016fstu leukemick\u00fdch bun\u011bk"},"content":{"rendered":"
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Taurin \u2013 obl\u00edben\u00e1 p\u0159\u00edsada do energetick\u00fdch n\u00e1poj\u016f \u2013 pom\u00e1h\u00e1 r\u016fstu leukemick\u00fdch bun\u011bk. Ukazuj\u00ed to ned\u00e1vno publikovan\u00e9 v\u00fdsledky v\u00fdzkumu. Zv\u00fd\u0161en\u00ed energie ovliv\u0148uje nejen zdrav\u00e9 bu\u0148ky, ale i bu\u0148ky leuk\u00e9mie. Mohou tyto nov\u00e9 poznatky zachr\u00e1nit \u017eivoty?<\/span><\/strong><\/p>\n

Mnoho lid\u00ed se opakovan\u011b uchyluje k hojn\u011b inzerovan\u00fdm energetick\u00fdm n\u00e1poj\u016fm. Reklama slibuje energii a vytrvalost \u2013 d\u00edky taurinu, z\u00e1zra\u010dn\u00e9 l\u00e1tce p\u0159\u00edrody. Co si pravd\u011bpodobn\u011b t\u00e9m\u011b\u0159 v\u0161ichni spot\u0159ebitel\u00e9 neuv\u011bdomuj\u00ed, je to, \u017ee pokud se u nich n\u011bkdy rozvine rakovina krve, pr\u00e1v\u011b tato l\u00e1tka by mohla jejich onemocn\u011bn\u00ed zhor\u0161it. Pr\u016flomov\u00e1 studie z Univerzity v Rochesteru nyn\u00ed odhaluje, jak se taurin \u2013 ve skute\u010dnosti ne\u0161kodn\u00fd dopln\u011bk stravy \u2013 st\u00e1v\u00e1 tajn\u00fdm zdrojem energie pro leukemick\u00e9 bu\u0148ky.<\/span><\/p>\n

Zv\u00fd\u0161en\u00ed energie s vedlej\u0161\u00edmi \u00fa\u010dinky<\/span><\/h3>\n

Taurin je v\u0161ude. V mo\u0159sk\u00fdch plodech a mase, ve sportovn\u00edch n\u00e1poj\u00edch a dopl\u0148c\u00edch stravy. Aminokyselina obsahuj\u00edc\u00ed s\u00edru je pova\u017eov\u00e1na za ne\u0161kodnou a dokonce prosp\u011b\u0161nou pro zdrav\u00ed. Miliony lid\u00ed je konzumuj\u00ed ka\u017ed\u00fd den, ani\u017e by o tom p\u0159em\u00fd\u0161leli. V\u00fdzkum Dr. Jeevishy Bajaj a jej\u00edho t\u00fdmu ale vrhl na tuto \u00fadajn\u011b ne\u0161kodnou l\u00e1tku zcela nov\u00e9 sv\u011btlo.<\/span><\/p>\n

\u201eNa\u0161e pr\u00e1ce nazna\u010duje, \u017ee v\u00fdvoj a testov\u00e1n\u00ed \u00fa\u010dinn\u00fdch inhibitor\u016f transport\u00e9ru taurinu by mohlo v\u00e9st k nov\u00fdm terapeutick\u00fdm mo\u017enostem pro tyto smrteln\u00e9 druhy rakoviny,\u201c\u00a0<\/span>vysv\u011btluje<\/span><\/a>\u00a0Bajaj, odborn\u00fd asistent biomedic\u00ednsk\u00e9 genetiky. Studie publikovan\u00e1 pod n\u00e1zvem \u201e\u00a0<\/span>Taurin z n\u00e1dorov\u00e9 niky \u0159\u00edd\u00ed glykol\u00fdzu a podporuje leukemogenezi<\/span><\/a> \u201c v renomovan\u00e9m \u010dasopise \u201eNature\u201c ukazuje z\u00e1ke\u0159n\u00fd mechanismus: leukemick\u00e9 bu\u0148ky obsazuj\u00ed specializovan\u00e9 transport\u00e9ry, aby z\u00edskaly taurin pot\u0159ebn\u00fd pro sv\u016fj r\u016fst z kostn\u00ed d\u0159en\u011b \u2013 m\u00edsta, kde vznik\u00e1 rakovina krve.<\/span><\/p>\n

Kostn\u00ed d\u0159e\u0148 jako nedobrovoln\u00fd spolupachatel<\/span><\/h3>\n

V\u011bdci objevili zaj\u00edmav\u00fd paradox pomoc\u00ed geneticky modifikovan\u00fdch my\u0161\u00ed. Speci\u00e1ln\u00ed bu\u0148ky tvo\u0159\u00edc\u00ed kosti, tzv. osteoliniov\u00e9 bu\u0148ky, zvy\u0161uj\u00ed s postupuj\u00edc\u00ed leuk\u00e9mi\u00ed produkci taurinu. Je to, jako by dobrovoln\u011b dod\u00e1vali nep\u0159\u00edteli munici. Rakovinn\u00e9 bu\u0148ky si nemohou taurin samy vyrobit \u2013 jsou zcela z\u00e1visl\u00e9 na tomto vn\u011bj\u0161\u00edm zdroji.<\/span><\/p>\n

Jakmile se taurin dostane do rakovinn\u00e9 bu\u0148ky, projev\u00ed se jeho fat\u00e1ln\u00ed \u00fa\u010dinek. Stimuluje glykol\u00fdzu, metabolickou dr\u00e1hu, kterou bu\u0148ky p\u0159em\u011b\u0148uj\u00ed gluk\u00f3zu na energii. Stejn\u011b jako turbodmychadlo d\u00e1v\u00e1 rakovinn\u00fdm bu\u0148k\u00e1m s\u00edlu rychle se mno\u017eit a \u0161\u00ed\u0159it po cel\u00e9m t\u011ble. \u201eLeukemick\u00e9 bu\u0148ky nejsou schopny samy produkovat taurin, tak\u017ee se spol\u00e9haj\u00ed na transport\u00e9r taurinu, kter\u00fd ho z\u00edsk\u00e1v\u00e1 z prost\u0159ed\u00ed kostn\u00ed d\u0159en\u011b,\u201c vysv\u011btluje Bajaj.<\/span><\/p>\n

D\u016fsledky pro pacienty<\/span><\/h3>\n

Zji\u0161t\u011bn\u00ed maj\u00ed p\u0159\u00edm\u00fd dopad na p\u0159ibli\u017en\u011b 12 000 lid\u00ed, u kter\u00fdch se v N\u011bmecku ka\u017ed\u00fd rok rozvine leuk\u00e9mie. Laboratorn\u00ed experimenty ukazuj\u00ed pln\u00fd rozsah hrozby: Kdy\u017e leukemick\u00e9 bu\u0148ky dostaly v\u00edce taurinu, r\u016fst n\u00e1doru u my\u0161\u00ed se dramaticky zrychlil. Naopak v\u011bdci dok\u00e1zali zpomalit nebo dokonce zastavit r\u016fst rakoviny t\u00edm, \u017ee zabr\u00e1nili taurinu vstoupit do rakovinn\u00fdch bun\u011bk.<\/span><\/p>\n

Anal\u00fdza vzork\u016f lidsk\u00fdch tk\u00e1n\u00ed nav\u00edc uk\u00e1zala p\u0159\u00edmou korelaci mezi mno\u017estv\u00edm transportn\u00edch protein\u016f a z\u00e1va\u017enost\u00ed onemocn\u011bn\u00ed. Pacienti s vy\u0161\u0161\u00edmi koncentracemi t\u011bchto protein\u016f m\u011bli hor\u0161\u00ed v\u00fdsledky l\u00e9\u010dby a vykazovali v\u011bt\u0161\u00ed rezistenci na terapie \u2013 zejm\u00e9na u agresivn\u00edch forem leuk\u00e9mie. My\u0161i bez transportn\u00edho proteinu \u017eily o 13,5 procenta d\u00e9le ne\u017e kontroln\u00ed skupiny.<\/span><\/p>\n

Dilema l\u00e9\u010dby<\/span><\/h3>\n

Dopl\u0148ky stravy s taurinem se \u010dasto doporu\u010duj\u00ed pacient\u016fm s rakovinou ke zm\u00edrn\u011bn\u00ed \u00fanavy vyvolan\u00e9 chemoterapi\u00ed a dal\u0161\u00edch vedlej\u0161\u00edch \u00fa\u010dink\u016f. Energetick\u00e9 n\u00e1poje obsahuj\u00edc\u00ed taurin jsou obzvl\u00e1\u0161t\u011b obl\u00edben\u00e9 tak\u00e9 mezi mlad\u00fdmi dosp\u011bl\u00fdmi \u2013 v\u011bkovou skupinou, kter\u00e1 zahrnuje i rostouc\u00ed po\u010det pacient\u016f s leuk\u00e9mi\u00ed. \u201eDopl\u0148ky stravy s taurinem by mohly v\u00fdznamn\u011b urychlit progresi onemocn\u011bn\u00ed u imunokompetentn\u00edch my\u0161\u00ed,\u201c varuj\u00ed auto\u0159i studie. A vzhledem k tomu, \u017ee mnoho p\u0159\u00edpad\u016f leuk\u00e9mie je odhaleno a\u017e velmi pozd\u011b, pravideln\u00e1 konzumace t\u011bchto n\u00e1poj\u016f by mohla nepozorovan\u011b urychlit progresi.<\/span><\/p>\n

Dr. Hoda Pourhassan, hematologka a onkolo\u017eka z nemocnice City of Hope v Newport Beach, kter\u00e1 se studie nepod\u00edlela, nab\u00e1d\u00e1 k opatrnosti: \u201eBylo by rozumn\u00e9 omezit p\u0159\u00edjem taurinu u pacient\u016f s leuk\u00e9mi\u00ed nebo alespo\u0148 pe\u010dliv\u011b zv\u00e1\u017eit rizika a p\u0159\u00ednosy.\u201c Slo\u017eitost biologie rakoviny v\u0161ak zt\u011b\u017euje nalezen\u00ed jednoduch\u00fdch \u0159e\u0161en\u00ed.<\/span><\/p>\n

Nov\u00e1 nad\u011bje d\u00edky c\u00edlen\u00fdm terapi\u00edm<\/span><\/h3>\n

Objev ale tak\u00e9 otev\u00edr\u00e1 zcela nov\u00e9 l\u00e9\u010debn\u00e9 p\u0159\u00edstupy. Zablokov\u00e1n\u00edm enzymu, kter\u00fd pom\u00e1h\u00e1 produkovat taurin v kostn\u00edch bu\u0148k\u00e1ch, byli v\u011bdci schopni v\u00fdznamn\u011b sn\u00ed\u017eit koncentraci taurinu v kostn\u00ed d\u0159eni. T\u00edm se sn\u00ed\u017eil jak po\u010det bun\u011bk zp\u016fsobuj\u00edc\u00edch onemocn\u011bn\u00ed, tak i riziko relapsu. \u201eNejd\u016fle\u017eit\u011bj\u0161\u00edm zji\u0161t\u011bn\u00edm t\u00e9to studie je, \u017ee taurin mohou b\u00fdt leukemick\u00fdmi bu\u0148kami vyu\u017e\u00edv\u00e1n k podpo\u0159e r\u016fstu rakoviny,\u201c zd\u016fraz\u0148uje Bajaj.<\/span><\/p>\n

Dr. Jane Liesveldov\u00e1, onkolo\u017eka z Wilmot Cancer Institute,\u00a0<\/span>vid\u00ed velk\u00fd terapeutick\u00fd potenci\u00e1l<\/span><\/a> : \u201ePr\u00e1ce Dr. Bajaje ukazuje, \u017ee lok\u00e1ln\u00ed koncentrace taurinu v kostn\u00ed d\u0159eni mohou zv\u00fd\u0161it r\u016fst leuk\u00e9mie.\u201c To otev\u00edr\u00e1 dve\u0159e k nov\u00fdm, c\u00edlen\u00fdm l\u00e9\u010debn\u00fdm postup\u016fm, i kdy\u017e je t\u0159eba db\u00e1t opatrnosti p\u0159i u\u017e\u00edv\u00e1n\u00ed vysok\u00fdch d\u00e1vek taurinu.<\/span><\/p>\n

Diferencovan\u00fd pohled na budoucnost<\/span><\/h3>\n

V\u011bdci zd\u016fraz\u0148uj\u00ed, \u017ee jejich zji\u0161t\u011bn\u00ed neznamenaj\u00ed, \u017ee taurin zp\u016fsobuje rakovinu nebo zvy\u0161uje riziko leuk\u00e9mie u zdrav\u00fdch lid\u00ed. Taurin je p\u0159irozen\u011b se vyskytuj\u00edc\u00ed aminokyselina, kterou si zdrav\u00ed dosp\u011bl\u00ed dok\u00e1\u017e\u00ed efektivn\u011b vyrobit sami, kdy\u017e je pot\u0159eba. \u201e\u201aNedostatek taurinu\u2018 je n\u011bco, co b\u011b\u017en\u011b nepozorujeme, a to ani p\u0159i omezen\u00e9m p\u0159\u00edjmu potravy,\u201c vysv\u011btluje Pourhassan.<\/span><\/p>\n

P\u0159esto nab\u00e1d\u00e1 k opatrnosti: \u201eBylo by skv\u011bl\u00e9, kdyby se v\u00fdsledky t\u011bchto studi\u00ed daly zredukovat na jednoduch\u00e9 \u201atato l\u00e1tka zp\u016fsobuje rakovinu\u2018 nebo \u201atato v\u011bc rakovin\u011b p\u0159edch\u00e1z\u00ed\u2018.\u201c Ale bohu\u017eel, r\u016fst rakoviny \u2013 a zejm\u00e9na leuk\u00e9mie \u2013 je neuv\u011b\u0159iteln\u011b slo\u017eit\u00fd.\u201c Cesta k nov\u00fdm terapi\u00edm, kter\u00e9 specificky blokuj\u00ed transport taurinu v rakovinn\u00fdch bu\u0148k\u00e1ch, je st\u00e1le dlouh\u00e1. Ale byly polo\u017eeny z\u00e1klady pro novou generaci l\u00e9k\u016f, kter\u00e9 by mohly rakovinu doslova p\u0159ipravit o jej\u00ed palivo.<\/span><\/p>\n

\"\"<\/p>\n

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

Taurin \u2013 obl\u00edben\u00e1 p\u0159\u00edsada do energetick\u00fdch n\u00e1poj\u016f \u2013 pom\u00e1h\u00e1 r\u016fstu leukemick\u00fdch bun\u011bk. Ukazuj\u00ed to ned\u00e1vno…<\/p>\n","protected":false},"author":2,"featured_media":67559,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[9202,750,9203,8471],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/79796"}],"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=79796"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/79796\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/67559"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=79796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=79796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=79796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}