{"id":81942,"date":"2025-06-23T00:10:57","date_gmt":"2025-06-22T22:10:57","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=81942"},"modified":"2025-06-22T13:17:54","modified_gmt":"2025-06-22T11:17:54","slug":"rozlusteni-chemickeho-kodu-mozku-co-neurochemie-prozrazuje-o-autismu","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/06\/23\/rozlusteni-chemickeho-kodu-mozku-co-neurochemie-prozrazuje-o-autismu\/","title":{"rendered":"Rozlu\u0161t\u011bn\u00ed chemick\u00e9ho k\u00f3du mozku: Co neurochemie prozrazuje o autismu"},"content":{"rendered":"
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Ve sv\u011bt\u011b, kde je p\u0159ibli\u017en\u011b u 1 z 36 d\u011bt\u00ed diagnostikov\u00e1na n\u011bjak\u00e1 porucha autistick\u00e9ho spektra, v\u011bdci zkoumaj\u00ed hloub\u011bji ne\u017e kdykoli p\u0159edt\u00edm vnit\u0159n\u00ed fungov\u00e1n\u00ed mozku s c\u00edlem odhalit, co se skr\u00fdv\u00e1 za t\u00edmto onemocn\u011bn\u00edm.<\/strong><\/p>\n

P\u0159esto\u017ee dosud nebyla identifikov\u00e1na \u017e\u00e1dn\u00e1 jedna konkr\u00e9tn\u00ed p\u0159\u00ed\u010dina, rostouc\u00ed po\u010det v\u00fdzkum\u016f poukazuje na neurochemick\u00e9 syst\u00e9my mozku, tedy komplexn\u00ed s\u00edt\u011b molekul pom\u00e1haj\u00edc\u00ed neuron\u016fm navz\u00e1jem komunikovat, jako na kl\u00ed\u010dov\u00e9 \u010d\u00e1sti t\u00e9to skl\u00e1da\u010dky.<\/span><\/p>\n

Komplexn\u00ed anal\u00fdza z roku 2020 publikovan\u00e1 v \u010dasopise\u00a0<\/span>Brain Sciences<\/span><\/em>\u00a0(V\u011bda o mozku) zkoumala, jak nerovnov\u00e1ha 12 kl\u00ed\u010dov\u00fdch neurochemik\u00e1li\u00ed m\u016f\u017ee p\u0159isp\u00edvat k v\u00fdvoji a chov\u00e1n\u00ed pozorovan\u00e9mu p\u0159i autismu.<\/span><\/p>\n

Tyto neurochemik\u00e1lie \u2013 od serotoninu reguluj\u00edc\u00edho n\u00e1ladu a\u017e po sp\u00e1nkov\u00fd hormon melatonin \u2013 hraj\u00ed kl\u00ed\u010dovou roli v tom, jak mozek zpracov\u00e1v\u00e1 informace, reguluje imunitn\u00ed a metabolick\u00e9 funkce, reaguje na podn\u011bty a dokonce, jak \u010dlov\u011bk vytv\u00e1\u0159\u00ed soci\u00e1ln\u00ed vazby.<\/span><\/p>\n

Kdy\u017e je jejich aktivita naru\u0161ena, \u00fa\u010dinky mohou ovlivnit v\u00fdvoj mozku a chov\u00e1n\u00ed, co\u017e nab\u00edz\u00ed pohled na to, pro\u010d n\u011bkter\u00e9 d\u011bti za\u017e\u00edvaj\u00ed probl\u00e9my ozna\u010dovan\u00e9 za poruchy autistick\u00e9ho spektra.<\/span><\/p>\n

Co je autismus<\/span><\/h2>\n

Autismus je spektrum v\u00fdvojov\u00fdch rozd\u00edl\u016f, co\u017e znamen\u00e1, \u017ee jeho p\u0159\u00edznaky se u jednotliv\u00fdch osob zna\u010dn\u011b li\u0161\u00ed.<\/span><\/p>\n

Jedinci s poruchou autistick\u00e9ho spektra mohou projevovat zpo\u017ed\u011bn\u00ed \u0159e\u010di, probl\u00e9my se soci\u00e1ln\u00ed interakc\u00ed, senzorickou citlivost a opakuj\u00edc\u00ed se chov\u00e1n\u00ed, jako jsou obsedantn\u00ed z\u00e1jmy, sebestimulace, opakuj\u00edc\u00ed se pohyby, t\u0159en\u00ed rukou o ur\u010dit\u00e9 textury nebo vyd\u00e1v\u00e1n\u00ed uklid\u0148uj\u00edc\u00edch zvuk\u016f ke zklidn\u011bn\u00ed, zvl\u00e1dnut\u00ed \u00fazkosti.<\/span><\/p>\n

P\u0159esto\u017ee genetika a environment\u00e1ln\u00ed faktory hraj\u00ed ur\u010ditou roli, neurochemie mozku se st\u00e1v\u00e1 \u00fast\u0159edn\u00edm faktorem autismu.<\/span><\/p>\n

Chemick\u00fd \u201eposlov\u00e9\u201c v mozku naz\u00fdv\u00e1n\u00ed neurotransmitery a neuropeptidy pom\u00e1haj\u00ed regulovat komunikaci neuron\u016f a ovliv\u0148uj\u00ed logick\u00e9 my\u0161len\u00ed, n\u00e1ladu, soci\u00e1ln\u00ed chov\u00e1n\u00ed a dal\u0161\u00ed faktory.<\/span><\/p>\n

Kdy\u017e jsou tyto chemik\u00e1lie v nerovnov\u00e1ze, mozek m\u016f\u017ee m\u00edt probl\u00e9m efektivn\u011b zpracov\u00e1vat informace, co\u017e pom\u00e1h\u00e1 vysv\u011btlit p\u0159\u00edznaky poruchy autistick\u00e9ho spektra.<\/span><\/p>\n

Kl\u00ed\u010dov\u00e9 neurochemik\u00e1lie a jejich role p\u0159i autismu<\/span><\/h2>\n

V\u00fdzkumn\u00edci identifikovali tucet kl\u00ed\u010dov\u00fdch neurochemik\u00e1li\u00ed a neuropeptid\u016f, jejich\u017e nerovnov\u00e1ha m\u016f\u017ee vysv\u011btlovat jedine\u010dn\u00e9 chov\u00e1n\u00ed a probl\u00e9my, ale tak\u00e9 siln\u00e9 str\u00e1nky pozorovan\u00e9 u jedinc\u016f s poruchou autistick\u00e9ho spektra.<\/span><\/p>\n

#1. GABA a glutam\u00e1t: Brzdov\u00fd a plynov\u00fd ped\u00e1l mozku<\/span><\/h3>\n

Kyselina gama-aminom\u00e1slov\u00e1 (GABA) a glutam\u00e1t jsou dva hlavn\u00ed neurotransmitery zodpov\u011bdn\u00e9 za regulaci mozkov\u00e9 aktivity. GABA p\u016fsob\u00ed jako inhibitor, kter\u00fd zklid\u0148uje mozkovou aktivitu, zat\u00edmco glutam\u00e1t je excita\u010dn\u00ed a stimuluje mozkov\u00e9 funkce.<\/span><\/p>\n

U jedinc\u016f s autismem studie ukazuj\u00ed naru\u0161enou rovnov\u00e1hu mezi t\u011bmito dv\u011bma chemik\u00e1liemi, s nadbytkem glutam\u00e1tu a nedostatkem GABA.<\/span><\/p>\n

Tato nerovnov\u00e1ha m\u016f\u017ee v\u00e9st k nadm\u011brn\u00e9 stimulaci, senzorick\u00e9mu p\u0159et\u00ed\u017een\u00ed a obt\u00ed\u017e\u00edm se zpracov\u00e1n\u00edm soci\u00e1ln\u00edch informac\u00ed, co\u017e p\u0159isp\u00edv\u00e1 k behavior\u00e1ln\u00edm symptom\u016fm b\u011b\u017en\u011b pozorovan\u00fdm p\u0159i poruch\u00e1ch autistick\u00e9ho spektra.<\/span><\/p>\n

#2. Serotonin: Regul\u00e1tor n\u00e1lady<\/span><\/h3>\n

Serotonin pom\u00e1h\u00e1 regulovat chu\u0165 k j\u00eddlu, tr\u00e1ven\u00ed, n\u00e1ladu a sp\u00e1nek. P\u0159i autismu se \u010dasto vyskytuj\u00ed zv\u00fd\u0161en\u00e9 hladiny serotoninu, kter\u00e9 mohou souviset s opakuj\u00edc\u00edm se chov\u00e1n\u00edm a soci\u00e1ln\u00edmi obt\u00ed\u017eemi.<\/span><\/p>\n

Pozm\u011bn\u011bn\u00fd serotoninov\u00fd syst\u00e9m m\u016f\u017ee vysv\u011btlovat, pro\u010d se jedinci s autismem dopou\u0161t\u011bj\u00ed chov\u00e1n\u00ed, jako jsou obsedantn\u00ed rutiny a rigidn\u00ed my\u0161len\u00ed.<\/span><\/p>\n

#3. Dopamin: Motivace a odm\u011bna<\/span><\/h3>\n

Dopamin je neurotransmiter zapojen do motivace, pot\u011b\u0161en\u00ed a syst\u00e9mu odm\u011bn. Hraje d\u016fle\u017eitou roli v tom, jak jednotlivci p\u0159e\u017e\u00edvaj\u00ed odm\u011bnu a spokojenost.<\/span><\/p>\n

P\u0159i autismu mohou poruchy dopaminov\u00e9 signalizace p\u0159isp\u00edvat k symptom\u016fm jako nedostatek motivace, nezapojov\u00e1n\u00ed se do soci\u00e1ln\u00edch interakc\u00ed a soci\u00e1ln\u00edch setk\u00e1n\u00ed, jako\u017e ik opakuj\u00edc\u00edmu se chov\u00e1n\u00ed.<\/span><\/p>\n

Tyto poruchy mohou zp\u016fsobit, \u017ee soci\u00e1ln\u00ed vazby budou m\u00e9n\u011b obohacuj\u00edc\u00ed a navazov\u00e1n\u00ed kontakt\u016f n\u00e1ro\u010dn\u011bj\u0161\u00ed.<\/span><\/p>\n

#4. Acetylcholin: Pam\u011b\u0165 a u\u010den\u00ed<\/span><\/h3>\n

Acetylcholin je kl\u00ed\u010dov\u00fd pro pozornost, u\u010den\u00ed a pam\u011b\u0165. U lid\u00ed s poruchou autistick\u00e9ho spektra mohou sn\u00ed\u017een\u00e9 hladiny acetylcholinov\u00fdch receptor\u016f v mozku br\u00e1nit schopnosti soust\u0159ed\u011bn\u00ed, efektivn\u00edho u\u010den\u00ed a kognitivn\u00ed flexibility.<\/span><\/p>\n

To m\u016f\u017ee p\u0159isp\u00edvat k obt\u00ed\u017e\u00edm s pozornost\u00ed, u\u010den\u00edm se nov\u00fdch \u00fakol\u016f a zpracov\u00e1n\u00edm informac\u00ed.<\/span><\/p>\n

#5. N-acetylaspart\u00e1t (NAA): Energie a funkce mozku<\/span><\/h3>\n

N-acetylaspart\u00e1t je slou\u010denina nach\u00e1zej\u00edc\u00ed se v neuronech, kter\u00e1 slou\u017e\u00ed jako marker mozkov\u00e9 energie a metabolick\u00e9ho zdrav\u00ed.<\/span><\/p>\n

Ni\u017e\u0161\u00ed hladiny NAA v mozku lid\u00ed s autismem nazna\u010duj\u00ed, \u017ee mozkov\u00e9 bu\u0148ky nefunguj\u00ed na optim\u00e1ln\u00ed \u00farovni, co\u017e m\u016f\u017ee odr\u00e1\u017eet v\u00fdvojov\u00e9 probl\u00e9my nebo nedostatek energie v centr\u00e1ln\u00edch oblastech mozku.<\/span><\/p>\n

#6. Oxytocin a arginin-vazopresin: Soci\u00e1ln\u00ed vazby<\/span><\/h3>\n

Oxytocin, \u010dasto naz\u00fdvan\u00fd \u201ehormon l\u00e1sky\u201c, hraje kl\u00ed\u010dovou roli v empatii, soci\u00e1ln\u00edch vazb\u00e1ch a d\u016fv\u011b\u0159e Podobn\u011b arginin-vazopresin pom\u00e1h\u00e1 regulovat emocion\u00e1ln\u00ed reakce a soci\u00e1ln\u00ed chov\u00e1n\u00ed.<\/span><\/p>\n

Studie uk\u00e1zaly, \u017ee jedinci s poruchou autistick\u00e9ho spektra maj\u00ed \u010dasto zm\u011bn\u011bny hladiny oxytocinu a vazopresinu, co\u017e by mohlo vysv\u011btlovat obt\u00ed\u017ee, kter\u00fdm \u010del\u00ed mnoz\u00ed autist\u00e9 p\u0159i vytv\u00e1\u0159en\u00ed soci\u00e1ln\u00edch vazeb, \u010dten\u00ed emocion\u00e1ln\u00edch sign\u00e1l\u016f a budov\u00e1n\u00ed vztah\u016f.<\/span><\/p>\n

#7. Melatonin: Regulace sp\u00e1nku<\/span><\/h3>\n

Melatonin je hormon zodpov\u011bdn\u00fd za regulaci cyklu sp\u00e1nku a bd\u011bn\u00ed. Mnoho lid\u00ed s autismem m\u00edv\u00e1 v\u00fdrazn\u00e9 poruchy sp\u00e1nku a v\u00fdzkum uk\u00e1zal, \u017ee maj\u00ed tendenci m\u00edt ni\u017e\u0161\u00ed hladiny melatoninu.<\/span><\/p>\n

Tento nedostatek autist\u016fm zt\u011b\u017euje us\u00edn\u00e1n\u00ed nebo udr\u017een\u00ed sp\u00e1nku, co\u017e vede k vy\u010derp\u00e1n\u00ed a dal\u0161\u00edmu zhor\u0161ov\u00e1n\u00ed p\u0159\u00edznak\u016f autismu, jako jsou nepozornost a podr\u00e1\u017ed\u011bnost.<\/span><\/p>\n

#8. Vitamin D: V\u00edce ne\u017e jen zdrav\u00ed kost\u00ed<\/span><\/h3>\n

Vitamin D<\/span><\/a>\u00a0je nezbytn\u00fd pro zdrav\u00ed kost\u00ed, ale jeho role se roz\u0161i\u0159uje i na mozek, kde ovliv\u0148uje produkci neurotransmiter\u016f a reguluje imunitn\u00ed syst\u00e9m.<\/span><\/p>\n

N\u011bkter\u00e9 studie nazna\u010duj\u00ed, \u017ee d\u011bti s autismem m\u00edvaj\u00ed ni\u017e\u0161\u00ed hladiny vitam\u00ednu D, co\u017e m\u016f\u017ee m\u00edt vliv na v\u00fdvoj mozku.<\/span><\/p>\n

#9. Orexinov\u00fd syst\u00e9m: Chu\u0165 k j\u00eddlu, bd\u011blost a sp\u00e1nek<\/span><\/h3>\n

Orexinov\u00fd syst\u00e9m se pod\u00edl\u00ed na regulaci chuti k j\u00eddlu a stavu bd\u011blosti. N\u011bkter\u00e9 v\u00fdzkumy zjistily poruchy v tomto syst\u00e9mu u lid\u00ed s autismem, zejm\u00e9na pokud jde o poruchy sp\u00e1nku.<\/span><\/p>\n

Nadm\u011brn\u011b aktivn\u00ed orexinov\u00fd syst\u00e9m ve spojen\u00ed s nedostate\u010dnou aktivitou serotoninu a melatoninu m\u016f\u017ee p\u0159isp\u00edvat k chronick\u00fdm probl\u00e9m\u016fm se sp\u00e1nkem, kter\u00e9 se vyskytuj\u00ed p\u0159i autismu.<\/span><\/p>\n

#10. Endogenn\u00ed opioidy: Bolest a emocion\u00e1ln\u00ed regulace<\/span><\/h3>\n

Endogenn\u00ed opioidy jsou p\u0159irozen\u00e9 l\u00e9ky proti bolesti v t\u011ble, kter\u00e9 se rovn\u011b\u017e pod\u00edlej\u00ed na regulaci emocion\u00e1ln\u00edch reakc\u00ed a n\u00e1lady.<\/span><\/p>\n

U jedinc\u016f s autismem byly pozorov\u00e1ny zv\u00fd\u0161en\u00e9 hladiny endogenn\u00edch opioid\u016f, zejm\u00e9na v reakci na bolest a stres. Tyto zm\u011bny by mohly vysv\u011btlit rozd\u00edly v tom, jak lid\u00e9 s autismem vn\u00edmaj\u00ed bolest a jak zpracov\u00e1vaj\u00ed emocion\u00e1ln\u00ed z\u00e1\u017eitky.<\/span><\/p>\n

N\u011bkter\u00e9 terapeutick\u00e9 studie s pou\u017eit\u00edm opioidn\u00edch blok\u00e1tor\u016f prok\u00e1zaly m\u00edrn\u00e9 zlep\u0161en\u00ed hyperaktivity a podr\u00e1\u017ed\u011bnosti.<\/span><\/p>\n

Pro\u010d je tento v\u00fdzkum d\u016fle\u017eit\u00fd<\/span><\/h2>\n

Zji\u0161t\u011bn\u00ed z uveden\u00e9 studie nab\u00edzej\u00ed cenn\u00e9 poznatky pro rodiny a klinick\u00e9 l\u00e9ka\u0159e, kte\u0159\u00ed se sna\u017e\u00ed l\u00e9pe pochopit autismus a prozkoumat personalizovan\u011bj\u0161\u00ed mo\u017enosti l\u00e9\u010dby.<\/span><\/p>\n

V\u00fdzkumn\u00edci doufaj\u00ed, \u017ee identifikac\u00ed specifick\u00fdch neurochemick\u00fdch nerovnov\u00e1h, kter\u00e9 mohou b\u00fdt z\u00e1kladem mnoha symptom\u016f autistick\u00e9ho spektra, p\u0159iprav\u00ed cestu pro nov\u00e9, c\u00edlen\u00e9 terapie.<\/span><\/p>\n

Pro rodi\u010de a pe\u010dovatele autistick\u00fdch d\u011bt\u00ed tento v\u00fdzkum poskytuje hlub\u0161\u00ed pochopen\u00ed toho, jak autismus ovliv\u0148uje mozek, a z\u00e1rove\u0148 nab\u00edz\u00ed nad\u011bji na lep\u0161\u00ed l\u00e9\u010dbu a v\u010dasn\u011bj\u0161\u00ed intervence, v\u010detn\u011b diet.<\/span><\/p>\n

Nov\u00e9 poznatky o t\u011bchto neurochemick\u00fdch nerovnov\u00e1h\u00e1ch mohou v\u00e9st k terapi\u00edm p\u0159izp\u016fsoben\u00fdm jedine\u010dn\u00e9 chemii mozku jednotlivce, \u010d\u00edm\u017e se zlep\u0161\u00ed jeho celkov\u00e1 kvalita \u017eivota.<\/span><\/p>\n

V kone\u010dn\u00e9m d\u016fsledku, a\u010dkoli o neurochemick\u00fdch z\u00e1kladech autismu je je\u0161t\u011b mnoho co objevovat, nejnov\u011bj\u0161\u00ed zji\u0161t\u011bn\u00ed n\u00e1s p\u0159ibli\u017euj\u00ed k budoucnosti, ve kter\u00e9 bude l\u00e9\u010dba \u00fa\u010dinn\u011bj\u0161\u00ed, personalizovan\u011bj\u0161\u00ed a skute\u010dn\u011b reaguj\u00edc\u00ed na pot\u0159eby jednotlivc\u016f s t\u00edmto onemocn\u011bn\u00edm.<\/span><\/p>\n

Aktu\u00e1ln\u00ed informace o v\u00fdzkumu mozku u autist\u016f si m\u016f\u017eete prohl\u00e9dnout v n\u00e1sleduj\u00edc\u00edm videu:<\/span><\/p>\n