{"id":19632,"date":"2026-03-10T07:59:10","date_gmt":"2026-03-10T07:59:10","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/19632\/"},"modified":"2026-03-10T07:59:10","modified_gmt":"2026-03-10T07:59:10","slug":"prirodni-ozempic-vedci-zjistili-ze-chia-seminka-aktivuji-geny-sytosti","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/19632\/","title":{"rendered":"P\u0159\u00edrodn\u00ed ozempic. V\u011bdci zjistili, \u017ee chia sem\u00ednka aktivuj\u00ed geny sytosti"},"content":{"rendered":"

Odborn\u00edci z\u00a0Feder\u00e1ln\u00ed univerzity ve Vicose podle Daily Mail<\/a> studovali, jak mouka a\u00a0olej vyroben\u00e9 z\u00a0chia sem\u00ednek ovliv\u0148uj\u00ed mozky potkan\u016f.<\/p>\n

B\u011bhem prvn\u00edch osmi t\u00fddn\u016f studie<\/a>, publikovan\u00e9 v\u00a0\u010dasopise Nutrition, byla v\u011bt\u0161ina potkan\u016f krmena dietou navr\u017eenou tak, aby napodobovala nezdravou lidskou stravu s\u00a0vysok\u00fdm obsahem tuku a\u00a0frukt\u00f3zy. Tato \u00favodn\u00ed f\u00e1ze m\u011bla za c\u00edl vyvolat metabolick\u00e9 zm\u011bny u\u00a0zv\u00ed\u0159at, aby v\u00edce odpov\u00eddala b\u011b\u017en\u00e9 lidsk\u00e9 populaci.<\/p>\n

Kontroln\u00ed skupina byla krmena standardn\u00ed, zdravou stravou, aby mohli v\u00fdzkumn\u00edci porovnat \u00fa\u010dinky sem\u00ednek chia na r\u016fzn\u00e9 zdravotn\u00ed profily.<\/p>\n

<\/a><\/p>\n

V dal\u0161\u00edch deseti t\u00fddnech jedna skupina pokra\u010dovala ve vysokotu\u010dn\u00e9 a\u00a0vysoce sacharidov\u00e9 strav\u011b beze zm\u011bn, zat\u00edmco druh\u00e1 skupina dost\u00e1vala tuto nezdravou dietu dopln\u011bnou o\u00a0chia olej. T\u0159et\u00ed skupina m\u011bla svou vysokotu\u010dnou stravu dopln\u011bnou o\u00a0chia mouku.<\/p>\n

V\u00fdzkumn\u00edci pak odebrali vzorky mozkov\u00e9 tk\u00e1n\u011b k\u00a0anal\u00fdze. V\u00fdsledky odhalily v\u00fdrazn\u00e9 rozd\u00edly mezi \u00fa\u010dinky chia mouky a\u00a0chia oleje na sign\u00e1ly sytosti a\u00a0markery z\u00e1n\u011btu.<\/p>\n

Potkani krmen\u00ed chia olejem vykazovali zv\u00fd\u0161enou aktivitu specifick\u00fdch gen\u016f, kter\u00e9 potla\u010duj\u00ed hlad, co\u017e nazna\u010duje, \u017ee chia m\u016f\u017ee podporovat pocit sytosti aktivac\u00ed tohoto mechanismu v\u00a0centr\u00e1ln\u00ed nervov\u00e9 soustav\u011b.<\/p>\n

Tyto geny souvisej\u00ed s\u00a0tvorbou protein\u016f a\u00a0peptid\u016f POMC a\u00a0CART, kter\u00e9 t\u011blu signalizuj\u00ed, \u017ee p\u0159ijalo dostatek energie, co\u017e vede k\u00a0pocitu plnosti. Zaj\u00edmav\u00e9 je, \u017ee v\u00fdzkumn\u00edci tuto aktivaci nezaznamenali u\u00a0skupiny krmen\u00e9 chia moukou.<\/p>\n

Sn\u00ed\u017een\u00ed nutk\u00e1n\u00ed k\u00a0p\u0159ej\u00edd\u00e1n\u00ed<\/p>\n

Nicm\u00e9n\u011b se zd\u00e1, \u017ee olej i\u00a0mouka zlep\u0161uj\u00ed to, jak mozek reaguje na leptin\u00a0\u2013 hormon produkovan\u00fd tukov\u00fdmi bu\u0148kami, kter\u00fd souvis\u00ed s\u00a0pocitem hladu. Ve zdrav\u00e9m mozku se leptin v\u00e1\u017ee na specifick\u00e9 receptory a\u00a0blokuje pocity hladu. Dieta s\u00a0vysok\u00fdm obsahem tuk\u016f tyto sign\u00e1ly potla\u010duje, co\u017e vede k\u00a0rezistenci na leptin a\u00a0k p\u0159ej\u00edd\u00e1n\u00ed.<\/p>\n

<\/a><\/p>\n

V\u00fdzkumn\u00edci zjistili, \u017ee pod\u00e1v\u00e1n\u00ed produkt\u016f z\u00a0chia sem\u00ednek obnovilo u\u00a0potkan\u016f norm\u00e1ln\u00ed funkci mozku a\u00a0\u00fa\u010dinn\u011b sn\u00ed\u017eilo nutk\u00e1n\u00ed p\u0159ej\u00eddat se.<\/p>\n

\u201eZp\u016fsob, jak\u00fdm sem\u00ednka chia zvy\u0161uj\u00ed pocit sytosti, lze p\u0159irovnat k\u00a0tomu, jak l\u00e9ky ovliv\u0148uj\u00edc\u00ed GLP-1, jako jsou Ozempic, Wegovy a\u00a0Mounjaro, tlum\u00ed chu\u0165 k\u00a0j\u00eddlu a\u00a0podporuj\u00ed hubnut\u00ed,\u201c p\u00ed\u0161e Daily Mail.<\/p>\n

Krom\u011b kontroly chuti k\u00a0j\u00eddlu v\u011bdci zjistili, \u017ee nezdrav\u00e1 strava zvy\u0161uje expresi proteinu, kter\u00fd spou\u0161t\u00ed z\u00e1n\u011bt v\u00a0bu\u0148k\u00e1ch\u00a0\u2013 ale chia sem\u00ednka tento efekt tlumila a\u00a0chr\u00e1nila mozkov\u00e9 bu\u0148ky p\u0159ed z\u00e1n\u011btliv\u00fdm po\u0161kozen\u00edm.<\/p>\n

<\/a><\/p>\n

T\u00fdm v\u011bdc\u016f proto dosp\u011bl k\u00a0z\u00e1v\u011bru: \u201eKonzumace chia mouky a\u00a0oleje spolu s\u00a0vysokotu\u010dnou a\u00a0vysoce frukt\u00f3zovou dietou modulovala expresi gen\u016f zapojen\u00fdch do mechanism\u016f sytosti a\u00a0z\u00e1n\u011btliv\u00e9 odpov\u011bdi\u2026, co\u017e z\u00a0n\u00ed \u010din\u00ed potenci\u00e1ln\u00ed strategii pro kontrolu metabolick\u00fdch onemocn\u011bn\u00ed spojen\u00fdch s\u00a0nevyv\u00e1\u017eenou stravou.\u201c<\/p>\n

Zv\u00ed\u0159ata nezhubla<\/p>\n

P\u0159esto\u017ee tyto zm\u011bny v\u00a0mozkov\u00e9 aktivit\u011b jsou slibn\u00e9, v\u011bdci zd\u016fraznili d\u016fle\u017eitou pozn\u00e1mku: \u017e\u00e1dn\u00e9 z\u00a0pokusn\u00fdch zv\u00ed\u0159at konzumuj\u00edc\u00edch chia nezhublo.<\/p>\n

Jako mo\u017en\u00fd d\u016fvod uvedli, \u017ee zv\u00ed\u0159ata byla krmena extr\u00e9mn\u011b kalorickou dietou, kter\u00e1 mohla zaml\u017eit \u00fa\u010dinky chia na v\u00e1hu. Dodali, \u017ee zm\u011bny chov\u00e1n\u00ed p\u0159i stravov\u00e1n\u00ed a\u00a0n\u00e1sledn\u00e9 hubnut\u00ed mohou vy\u017eadovat del\u0161\u00ed obdob\u00ed, ne\u017e se projev\u00ed.<\/p>\n

Konzumace potravin s\u00a0vysok\u00fdm obsahem tuk\u016f, soli a\u00a0cukru a\u00a0n\u00edzk\u00fdm obsahem vitamin\u016f a\u00a0vl\u00e1kniny je dlouhodob\u011b spojov\u00e1na se zv\u00fd\u0161en\u00fdm rizikem v\u00e1\u017en\u00fdch zdravotn\u00edch probl\u00e9m\u016f, v\u010detn\u011b rakoviny, cukrovky 2.\u00a0typu a\u00a0srde\u010dn\u00edch onemocn\u011bn\u00ed.<\/p>\n

<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Odborn\u00edci z\u00a0Feder\u00e1ln\u00ed univerzity ve Vicose podle Daily Mail studovali, jak mouka a\u00a0olej vyroben\u00e9 z\u00a0chia sem\u00ednek ovliv\u0148uj\u00ed mozky potkan\u016f.…\n","protected":false},"author":2,"featured_media":19633,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[43,42,9767,41,40,9768,7604,9769,4095],"class_list":{"0":"post-19632","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-cesko","8":"tag-ceska-republika","9":"tag-cesko","10":"tag-chia-seminka","11":"tag-czech-republic","12":"tag-czechia","13":"tag-hlad","14":"tag-ozempic","15":"tag-prejidani","16":"tag-vyzkum"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116203825627796950","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/19632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=19632"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/19632\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/19633"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=19632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=19632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=19632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}