{"id":32807,"date":"2023-07-26T01:04:40","date_gmt":"2023-07-25T23:04:40","guid":{"rendered":"http:\/\/www.infokuryr.cz\/n\/?p=32807"},"modified":"2023-07-25T12:15:04","modified_gmt":"2023-07-25T10:15:04","slug":"ockovani-prostrednictvim-potravin-veda-na-takovych-ockovacich-rostlinach-pracuje-jiz-30-let","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2023\/07\/26\/ockovani-prostrednictvim-potravin-veda-na-takovych-ockovacich-rostlinach-pracuje-jiz-30-let\/","title":{"rendered":"O\u010dkov\u00e1n\u00ed prost\u0159ednictv\u00edm potravin: V\u011bda na takov\u00fdch \u201eo\u010dkovac\u00edch rostlin\u00e1ch\u201c pracuje ji\u017e 30 let"},"content":{"rendered":"
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Od roku 2021 koluje po soci\u00e1ln\u00edch s\u00edt\u00edch zpr\u00e1va, kter\u00e1 \u0159e\u0161\u00ed pod\u00e1v\u00e1n\u00ed mRNA o\u010dkov\u00e1n\u00ed prost\u0159ednictv\u00edm konzumace j\u00eddla \u2013 p\u0159esn\u011bji: prost\u0159ednictv\u00edm rostlin.\u00a0„Budoucnost o\u010dkov\u00e1n\u00ed by mohla vypadat sp\u00ed\u0161e jako jeden\u00ed sal\u00e1tu ne\u017e injekce do pa\u017ee,“ \u0159\u00edk\u00e1.\u00a0V\u00fdzkumy ve v\u011bdeck\u00fdch datab\u00e1z\u00edch ukazuj\u00ed, \u017ee v\u00fdzkumn\u00edci za t\u00edmto snem jdou u\u017e 30 let.\u00a0U\u010din\u00ed z n\u00ed boom mRNA v bl\u00edzk\u00e9 budoucnosti realitu?<\/strong><\/p>\n

\u201eKoncept v\u00fdroby vakc\u00edn v transgenn\u00edch rostlin\u00e1ch jsme zavedli v roce 1992<\/em>\u00a0,\u201c chlub\u00ed se Hugh Mason a Charles Arntzen v \u010dl\u00e1nku nazvan\u00e9m\u00a0Transgenn\u00ed rostliny jako syst\u00e9my v\u00fdroby vakc\u00edn<\/a>\u00a0, kter\u00fd pojedn\u00e1v\u00e1 o mo\u017enosti pod\u00e1vat vakc\u00edny nab\u00edzen\u00edm geneticky upraven\u00fdch rostlin jako potravin.\u00a0V podstat\u011b je c\u00edlem manipulace s geny p\u0159em\u011bnit rostlinn\u00e9 bu\u0148ky na m\u00edsta produkce ur\u010dit\u00fdch protein\u016f, kter\u00e9 by pak m\u011bly stimulovat imunitn\u00ed reakce v t\u011ble p\u0159\u00edjemce.<\/strong>Jako d\u016fkaz poslou\u017eil v\u00fdzkum s geneticky modifikovan\u00fdmi hl\u00edzami brambor, kter\u00e9 byly pod\u00e1v\u00e1ny my\u0161\u00edm;\u00a0Lid\u00e9 tehdy koketovali s geneticky modifikovan\u00fdmi ban\u00e1ny, proto\u017ee je jed\u00ed nejen mal\u00e9 d\u011bti.<\/p>\n

Mezit\u00edm ji\u017e prob\u00edh\u00e1 v\u00fdzkum v\u00fdroby r\u016fzn\u00fdch vakc\u00edn a farmaceutick\u00fdch protein\u016f v geneticky modifikovan\u00fdch rostlin\u00e1ch tab\u00e1ku, rukole, r\u00fd\u017ei, kuku\u0159ici, brambor\u00e1ch, raj\u010datech, sal\u00e1tu a \u0159as\u00e1ch, jak ukazuj\u00ed ned\u00e1vn\u00e9\u00a0studie<\/a>\u00a0.\u00a0Takov\u00e9 v\u00fdtvory by mohly b\u00fdt pod\u00e1v\u00e1ny jak lidem, tak zv\u00ed\u0159at\u016fm.<\/p>\n

Prvn\u00ed v\u00fdznamn\u00e9 pou\u017eit\u00ed: Kontroverzn\u00ed l\u00e9k na ebolu<\/span><\/h3>\n

Takov\u00e9to \u201erostlinn\u00e9\u201c proteinov\u00e9 tov\u00e1rny byly poprv\u00e9 pou\u017eity pro experiment\u00e1ln\u00ed l\u00e9k na ebolu\u00a0ZMapp<\/a>\u00a0, kter\u00fd byl zalo\u017een na t\u0159ech monoklon\u00e1ln\u00edch protil\u00e1tk\u00e1ch produkovan\u00fdch v tab\u00e1kov\u00fdch rostlin\u00e1ch a byl pou\u017eit bez p\u0159edchoz\u00edch klinick\u00fdch studi\u00ed na lidech:\u00a0epidemie hore\u010dky Ebola v roce 2014 poslou\u017eila jako ospravedln\u011bn\u00ed pro WHO, aby doporu\u010dila l\u00e9k bez d\u016fkazu o \u00fa\u010dinnosti.\u00a0<\/strong>Dosud nebyl prok\u00e1z\u00e1n \u017e\u00e1dn\u00fd p\u0159esv\u011bd\u010div\u00fd \u00fa\u010dinek ZMapp, p\u0159\u00edpravek se ji\u017e nepou\u017e\u00edv\u00e1.<\/p>\n

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Zde tak\u00e9 vyvst\u00e1v\u00e1 probl\u00e9m s touto o\u010dkovac\u00ed technologi\u00ed, kterou lze v z\u00e1sad\u011b zkrmovat jako krmivo:\u00a0zd\u00e1 se, \u017ee ke schv\u00e1len\u00ed zde m\u00e1 je\u0161t\u011b daleko.\u00a0<\/strong>V\u011bdci v t\u00e9to oblasti v\u0161ak zji\u0161\u0165uj\u00ed, \u017ee produkce b\u00edlkovin v rostlin\u00e1ch je lep\u0161\u00ed ne\u017e nap\u0159\u00edklad produkce v sav\u010d\u00edch a hmyz\u00edch bu\u0148k\u00e1ch, kter\u00e1 se tak\u00e9 zkoum\u00e1 (a ji\u017e schvaluje) kv\u016fli ni\u017e\u0161\u00edm n\u00e1klad\u016fm a lep\u0161\u00ed efektivit\u011b.<\/p>\n

Rychlej\u0161\u00ed schvalov\u00e1n\u00ed d\u00edky boomu mRNA?<\/span><\/h3>\n

V t\u00e9to souvislosti nen\u00ed\u00a0v\u00fdzkum na Kalifornsk\u00e9 univerzit\u011b<\/a>\u00a0v z\u00e1sad\u011b ni\u010d\u00edm nov\u00fdm: principem je zde p\u0159em\u011bnit rostliny na tov\u00e1rny na vakc\u00edny mRNA.\u00a0Rostliny by m\u011bly b\u00fdt jedl\u00e9 \u2013 a p\u011bstovat je mohou nejen zem\u011bd\u011blci, ale v z\u00e1sad\u011b i ob\u010dan\u00e9.\u00a0<\/strong>Vypad\u00e1 to jako permanentn\u00ed o\u010dkov\u00e1n\u00ed prost\u0159ednictv\u00edm p\u0159\u00edjmu potravy.<\/p>\n

C\u00edle projektu, kter\u00fd je mo\u017en\u00fd d\u00edky grantu 500 000 USD od National Science Foundation, jsou troj\u00ed: Uk\u00e1zat, \u017ee DNA obsahuj\u00edc\u00ed vakc\u00edny mRNA m\u016f\u017ee b\u00fdt \u00fasp\u011b\u0161n\u011b doru\u010dena do \u010d\u00e1sti rostlinn\u00fdch bun\u011bk, kde se bude replikovat.\u00a0Krom\u011b toho by se m\u011blo uk\u00e1zat, \u017ee rostliny dok\u00e1\u017eou produkovat dostatek mRNA, aby byly schopny dr\u017eet krok s b\u011b\u017enou vakcinac\u00ed, a nakonec je t\u0159eba ur\u010dit spr\u00e1vn\u00e9 d\u00e1vkov\u00e1n\u00ed.<\/em><\/p>\n

UC Riverside<\/a><\/cite><\/em><\/p>\n

Experimentuje se s hl\u00e1vkov\u00fdm sal\u00e1tem a \u0161pen\u00e1tem \u2013 v nejlep\u0161\u00edm p\u0159\u00edpad\u011b by pak rostlina m\u011bla obsahovat dostatek mRNA, aby mohla \u010dlov\u011bka \u201eo\u010dkovat\u201c.\u00a0Nen\u00ed to jen ot\u00e1zka bezpe\u010dnosti t\u011bchto \u201ejedl\u00fdch genov\u00fdch terapeutik\u201c, kter\u00e1 zde vyvst\u00e1v\u00e1.\u00a0Technologie mRNA byla uvedena na trh pod rou\u0161kou takzvan\u00e9 pandemie \u2013 ne proto, \u017ee by byla tak bezpe\u010dn\u00e1 a \u00fa\u010dinn\u00e1, ale proto, \u017ee se uk\u00e1zalo, \u017ee se dlouho \u010dekalo, ne\u017e ji lid\u00e9 rozpoutaj\u00ed (koneckonc\u016f, v\u0161echny vynalo\u017een\u00e9 investice se nakonec\u00a0musely\u00a0vr\u00e1tit\u00a0<\/a>)<\/a>\u00a0.\u00a0Podporuje toto poru\u0161en\u00ed mRNA vakc\u00edn, kter\u00e9 se nyn\u00ed maj\u00ed masov\u011b zkoumat a nakonec distribuovat mezi lidi, tak\u00e9 schv\u00e1len\u00ed tak pochybn\u00fdch pokrok\u016f, jako je genov\u00e1 terapie pomoc\u00ed zeleniny a spol.?<\/strong><\/p>\n

EU ji\u017e uvol\u0148uje p\u0159edpisy pro genetick\u00e9 in\u017een\u00fdrstv\u00ed v potravin\u00e1ch<\/span><\/h3>\n

S ohledem na povinnost o\u010dkov\u00e1n\u00ed proti koronaviru by obava z nedobrovoln\u00e9ho \u201eo\u010dkov\u00e1n\u00ed\u201c prost\u0159ednictv\u00edm potravin byla v tomto p\u0159\u00edpad\u011b v\u00edce ne\u017e opr\u00e1vn\u011bn\u00e1 \u2013 v rozvojov\u00fdch zem\u00edch, kter\u00e9 jsou opakovan\u011b ter\u010dem o\u010dkovac\u00edch kampan\u00ed s experiment\u00e1ln\u00edmi prepar\u00e1ty, i v pr\u016fmyslov\u00fdch zem\u00edch.\u00a0EU v sou\u010dasn\u00e9 dob\u011b pracuje na bezprecedentn\u00edm\u00a0uvoln\u011bn\u00ed p\u0159edpis\u016f pro genetick\u00e9 in\u017een\u00fdrstv\u00ed v potravin\u00e1ch<\/a>\u00a0: po\u017eadavky na ozna\u010dov\u00e1n\u00ed maj\u00ed b\u00fdt zru\u0161eny, geneticky modifikovan\u00e9 rostliny maj\u00ed b\u00fdt pova\u017eov\u00e1ny za rovnocenn\u00e9 rostlin\u00e1m vyp\u011bstovan\u00fdm v p\u0159\u00edrod\u011b.<\/strong>V mnoha p\u0159\u00edpadech pak spot\u0159ebitel\u00e9 ji\u017e nebudou v\u011bd\u011bt, \u017ee kupuj\u00ed a jed\u00ed geneticky modifikovanou zeleninu.\u00a0kde tohle skon\u010d\u00ed?\u00a0V p\u0159\u00edpad\u011b o\u010dkov\u00e1n\u00ed zadn\u00edmi vr\u00e1tky, vyhozen\u00edm upraven\u00fdch (skoro by se dalo \u0159\u00edci: kontaminovan\u00fdch) produkt\u016f na trh?<\/p>\n

Report24<\/a><\/p>\n

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Od roku 2021 koluje po soci\u00e1ln\u00edch s\u00edt\u00edch zpr\u00e1va, kter\u00e1 \u0159e\u0161\u00ed pod\u00e1v\u00e1n\u00ed mRNA o\u010dkov\u00e1n\u00ed prost\u0159ednictv\u00edm konzumace…<\/p>\n","protected":false},"author":2,"featured_media":32808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[41,694,213,750,651],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/32807"}],"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=32807"}],"version-history":[{"count":1,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/32807\/revisions"}],"predecessor-version":[{"id":32809,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/32807\/revisions\/32809"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/32808"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=32807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=32807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=32807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}