{"id":8622,"date":"2023-12-23T00:00:00","date_gmt":"2023-12-22T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/mikroplasty-v-placente\/"},"modified":"2023-12-23T00:00:00","modified_gmt":"2023-12-22T23:00:00","slug":"mikroplasty-v-placente","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/mikroplasty-v-placente\/","title":{"rendered":"V\u00fdskumy potvrdili v\u00fdskyt mikroplastov v placente. Rizikovou skupinou s\u00fa \u013eudia \u017eij\u00faci v bl\u00edzkosti ostrovov"},"content":{"rendered":"

Pr\u00edtomnos\u0165 mikroplastov v kozmetike a jedle je dlhodobo zn\u00e1ma. V d\u00f4sledku toho viacer\u00e9 \u0161t\u00e1ty za\u010dali boj s jednorazov\u00fdmi plastmi.<\/strong><\/p>\n

Ako sme spom\u00ednali v na\u0161om minulom \u010dl\u00e1nku, ako prv\u00e9 sa na dan\u00fd probl\u00e9m zamerali Spojen\u00e9 \u0161t\u00e1ty americk\u00e9. Nesk\u00f4r z\u00e1kaz pou\u017e\u00edvania mikroplastov<\/strong> za\u010dal plati\u0165 vo Ve\u013ekej Brit\u00e1nii, v Taliansku \u010di na Novom Z\u00e9lande.<\/p>\n

Potrebn\u00e9 kroky realizuje aj Eur\u00f3pska \u00fania.<\/strong> Jeden z nich poch\u00e1dza z roku 2017, kedy Eur\u00f3pska komisia vyzvala Eur\u00f3psku chemick\u00fa agent\u00faru k zriadeniu n\u00e1vrhu, ktor\u00fd odkazuje na z\u00e1kaz pou\u017e\u00edvania plastov v kozmetike, \u010distiacich prostriedkoch alebo hnojiv\u00e1ch.<\/p>\n

Jeho fin\u00e1lna podoba uzrela svetlo sveta v roku 2021. Odkazuje na 20 druhov mikroplastov, av\u0161ak nezah\u0155\u0148a ich v\u0161etky druhy. V\u00fdnimka sa kladie na nanoplasty a rozlo\u017eite\u013en\u00e9 plasty, ktor\u00e9 sa pre ich ne\u013eahk\u00fa rozlo\u017eite\u013enos\u0165 radia k rizikovej skupine.<\/strong><\/p>\n

Uveden\u00e1 problematika je v\u0161ak omnoho rozsiahlej\u0161ia. T\u00fdka sa najm\u00e4 tehotn\u00fdch \u017eien, pri\u010dom mikroplasty m\u00f4\u017eu by\u0165 znepokojivo bl\u00edzko k vyv\u00edjaj\u00facemu sa plodu.<\/strong><\/p>\n

Pr\u00edtomnos\u0165 mikroplastov v placente<\/h3>\n

Ako informuje port\u00e1l ScienceAlert, v priebehu posledn\u00fdch rokov predbe\u017en\u00e9 v\u00fdskumy objavili pr\u00edtomnos\u0165 mikroskopick\u00fdch k\u00faskov plastu v nieko\u013ek\u00fdch desiatkach vzoriek \u013eudskej placenty.<\/strong> Nov\u00e1 anal\u00fdza zaoberaj\u00faca sa darovan\u00fdmi placent\u00e1rnymi tkanivami doposia\u013e zn\u00e1me poznatky roz\u0161\u00edrila o nie pr\u00edli\u0161 pozit\u00edvne spr\u00e1vy.<\/p>\n S\u00fa\u010dasn\u00e9 v\u00fdskumy potvrdili v\u00fdskyt mikroplastov v placente. Zdroj: pexels.com\n

Po anal\u00fdze 30 placent darovan\u00fdch do jednej z havajsk\u00fdch reproduk\u010dn\u00fdch klin\u00edk vedci zistili, \u017ee medzi rokmi 2006 a 2021 do\u0161lo u sk\u00faman\u00e9ho do\u010dasn\u00e9ho org\u00e1nu k v\u00fdrazne vy\u0161\u0161ej kontamin\u00e1cii.<\/strong><\/p>\n

K\u00fdm v roku 2006 sa pr\u00edtomnos\u0165 mikroplastov zaznamenala len u \u0161es\u0165 z desiatich darovan\u00fdch placent, do roku 2013 poznatky odkazovali na dev\u00e4\u0165 z desiatich. V roku 2021 i\u0161lo o najhor\u0161ie \u0161tatistiky,<\/strong> kedy ka\u017ed\u00e1 z desiatich analyzovan\u00fdch placent vykazovala zne\u010distenie. Z\u00e1rove\u0148 ve\u013ekosti mikroplastov\u00fdch \u010dast\u00edc boli v\u00e4\u010d\u0161ie ne\u017e pri predo\u0161l\u00fdch v\u00fdskumoch.<\/p>\n

\u00a0\u201eVer\u00edme, \u017ee plasty m\u00f4\u017eu pl\u00e1va\u0165 v jedle alebo sa m\u00f4\u017eu vdychova\u0165. Prech\u00e1dzaj\u00fa na\u0161imi tr\u00e1viacimi tekutinami alebo p\u013e\u00facami a \u010dastice sa absorbuj\u00fa cez \u010drevo a prech\u00e1dzaj\u00fa krvn\u00fdm obehom a potom sa nejak\u00fdm sp\u00f4sobom zhroma\u017e\u010fuj\u00fa v placente po\u010das tehotenstva,\u201c<\/em><\/strong> vysvet\u013euje jeden z v\u00fdskumn\u00edkov, ktor\u00fd z\u00e1rove\u0148 p\u00f4sob\u00ed ako p\u00f4rodn\u00edk. To, \u010di sa mikroplasty m\u00f4\u017eu dosta\u0165 cez pupo\u010dn\u00fa \u0161n\u00faru k die\u0165a\u0165u, je zatia\u013e nezn\u00e1me.<\/p>\n

Potreba \u010fal\u0161\u00edch v\u00fdskumov<\/h3>\n

S\u00edce ide o jednu z najv\u00e4\u010d\u0161\u00edch \u0161t\u00fadi\u00ed svojho druhu, aj napriek tomu ve\u013ekos\u0165 v\u00fdskumnej vzorky sa pova\u017euje za pr\u00edli\u0161 mal\u00fa a region\u00e1lne obmedzen\u00fa. V d\u00f4sledku toho nemo\u017eno vyvodi\u0165 jasn\u00e9 z\u00e1very o pr\u00ed\u010dine alebo \u00fa\u010dinku mikroplastick\u00e9ho zne\u010distenia na vyv\u00edjaj\u00faci sa plod alebo matku.<\/strong><\/p>\n Vplyv mikroplastov na \u013eudsk\u00e9 zdravie je doposia\u013e nezn\u00e1my. Zdroj: pexels.com\n

V\u00fdsledky sa na\u010falej zaoberaj\u00fa neprestajn\u00fdm rastom v\u00fdroby a spotreby plastov, ktor\u00e9 ved\u00fa k enormn\u00e9mu zne\u010disteniu po celom svete. V s\u00fa\u010dasnosti sa zd\u00e1 by\u0165 priam nemo\u017en\u00e9, aby sme sa dostato\u010dne dok\u00e1zali vyhn\u00fa\u0165 vystaveniu mikroplastom.<\/strong> Z\u00e1rove\u0148 ich vplyv na \u013eudsk\u00e9 zdravie zost\u00e1va na\u010falej do zna\u010dnej miery nezn\u00e1my.<\/p>\n

Ur\u010dit\u00e9 odhady poukazuj\u00fa, \u017ee priemern\u00fd \u010dlovek vd\u00fdchne po\u010das t\u00fd\u017ed\u0148a plast v hodnote pribli\u017ene jednej kreditnej karty.<\/strong> Nevylu\u010duje sa ani to, \u017ee niektor\u00e9 k\u00fasky m\u00f4\u017eu uviaznu\u0165 hlboko v p\u013e\u00facach.<\/p>\n

Pr\u00edtomnos\u0165 drobn\u00fdch \u00falomkov mo\u017eno zaznamena\u0165 aj v pitnej vode \u010di potrave. Z predbe\u017en\u00fdch v\u00fdskumov na my\u0161iach vypl\u00fdva, \u017ee skupina uveden\u00fdch zne\u010dis\u0165uj\u00facich l\u00e1tok m\u00f4\u017ee prenikn\u00fa\u0165 do ka\u017ed\u00e9ho org\u00e1nu v tele hlodavca.<\/strong><\/p>\n

\u010eal\u0161ie ned\u00e1vne \u0161t\u00fadie zrealizovan\u00e9 na \u013eu\u010foch na\u0161li ich pr\u00edtomnos\u0165 aj v materskom mlieku \u010di dokonca prv\u00fdch v\u00fdkaloch novorodencov.<\/strong><\/p>\n

Vysok\u00e1 miera kontamin\u00e1cie na Havaji<\/h3>\n

Prv\u00e9 d\u00f4kazy o mikroplastoch men\u0161\u00edch ako p\u00e4\u0165 milimetrov v \u013eudskej placente sa zaznamenali v roku 2020. <\/strong>Nesk\u00f4r \u010fal\u0161\u00ed v\u00fdskumn\u00fd t\u00edm vyhodnotil pr\u00edtomnos\u0165 drobn\u00fdch plastov v 17 placent\u00e1ch, pri\u010dom do\u0161lo k zisteniu podobn\u00fdch v\u00fdsledkov.<\/p>\n

Vplyv plastov v placente na \u013eudsk\u00e9 zdravie zatia\u013e nie je zn\u00e1my. Skor\u00e9 experimenty na my\u0161iach v\u0161ak nazna\u010duj\u00fa, \u017ee dan\u00e1 skupina plastov m\u00f4\u017ee naru\u0161i\u0165 v\u00fdvoj mozgu plodu,<\/strong> \u010do m\u00f4\u017ee ma\u0165 vplyv na suboptim\u00e1lne v\u00fdsledky neurov\u00fdvoja.<\/p>\n Havaj \u010del\u00ed vysokej kontamin\u00e1cii placenty v d\u00f4sledku drobn\u00fdch \u010dast\u00edc plastu. Zdroj: pexels.com\n

Av\u0161ak vysok\u00e1 miera kontamin\u00e1cie zisten\u00e1 na Havaji nemus\u00ed plati\u0165 pre cel\u00fd svet.<\/strong> Vypl\u00fdva to zo zisten\u00ed poukazuj\u00facich na to, \u017ee \u013eudia \u017eij\u00faci na ostrovoch zvykn\u00fa jes\u0165 viac morsk\u00fdch plodov, ktor\u00e9 s\u00fa vo ve\u013ekej miere vystaven\u00e9 oce\u00e1nskym plastom. Z\u00e1rove\u0148 vzdialen\u00e9 mest\u00e1 maj\u00fa tendenciu by\u0165 viac odk\u00e1zan\u00e9 na jednorazov\u00e9 plasty.<\/p>\n

\u00a0\u201eZistenia tejto \u0161t\u00fadie, zalo\u017een\u00e9 na vzork\u00e1ch placenty zozbieran\u00fdch na Havaji, poskytuj\u00fa poh\u013ead na zranite\u013enos\u0165 a citlivos\u0165 komun\u00edt tichomorsk\u00fdch ostrovov na zne\u010distenie plastmi v d\u00f4sledku na\u0161ej vzdialenej polohy v Tichom oce\u00e1ne,\u201c<\/em> <\/strong>uv\u00e1dza v\u00fdskumn\u00fd t\u00edm.<\/p>\n

\u00a0\u201eKe\u010f\u017ee cel\u00fd \u0161t\u00e1t Havaj je ozna\u010den\u00fd ako pobre\u017en\u00e1 komunita, tehotn\u00e9 \u017eeny, ktor\u00e9 tam \u017eij\u00fa, sa zdaj\u00fa by\u0165 obzvl\u00e1\u0161\u0165 citliv\u00e9 na zne\u010distenia mora plastmi, pri\u010dom dopady na zdravie matiek a plodov s\u00fa zatia\u013e nezn\u00e1me,\u201c<\/em> <\/strong>dod\u00e1va.<\/p>","protected":false},"excerpt":{"rendered":"

Pr\u00edtomnos\u0165 mikroplastov v kozmetike a jedle je dlhodobo zn\u00e1ma. V d\u00f4sledku toho viacer\u00e9 \u0161t\u00e1ty za\u010dali boj s jednorazov\u00fdmi plastmi. Ako sme spom\u00ednali v na\u0161om minulom<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-8622","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/8622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/comments?post=8622"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/8622\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=8622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=8622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=8622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}