{"id":1786,"date":"2026-09-24T14:27:35","date_gmt":"2026-09-24T12:27:35","guid":{"rendered":"https:\/\/doktorpeptid.sk\/peptidy\/"},"modified":"2026-09-24T14:27:35","modified_gmt":"2026-09-24T12:27:35","slug":"peptidy","status":"publish","type":"page","link":"https:\/\/doktorpeptid.sk\/en\/peptidy\/","title":{"rendered":"Peptidy \u2013 \u010do s\u00fa, druhy a v\u00fdskumn\u00e9 peptidy na Slovensku"},"content":{"rendered":"<p><strong>Peptides<\/strong> s\u00fa kr\u00e1tke re\u0165azce aminokysel\u00edn spojen\u00e9 peptidov\u00fdmi v\u00e4zbami. V pr\u00edrode funguj\u00fa ako sign\u00e1lne molekuly, horm\u00f3ny \u010di neurotransmitery a v laborat\u00f3ri\u00e1ch patria medzi naj\u010dastej\u0161ie sk\u00faman\u00e9 l\u00e1tky v bioch\u00e9mii, farmakol\u00f3gii a biol\u00f3gii bunky. V tomto sprievodcovi vysvet\u013eujeme, \u010do peptidy s\u00fa, ako sa delia, ako sa vyr\u00e1baj\u00fa a na \u010do si da\u0165 pozor pri v\u00fdbere <strong>v\u00fdskumn\u00fdch peptidov<\/strong> na Slovensku a v \u010cesku.<\/p>\n<h2>\u010co s\u00fa peptidy<\/h2>\n<p>Peptid vznik\u00e1, ke\u010f sa karboxylov\u00e1 skupina jednej aminokyseliny navia\u017ee na aminoskupinu \u010fal\u0161ej \u2013 vznikne <strong>peptidov\u00e1 v\u00e4zba<\/strong>. Re\u0165azec, ktor\u00fd takto vznikne, m\u00e1 dva konce: N-koniec (s vo\u013enou aminoskupinou) a C-koniec (s vo\u013enou karboxylovou skupinou). Poradie aminokysel\u00edn, teda <em>sekvencia<\/em>, ur\u010duje tvar molekuly a to, na ktor\u00e9 receptory sa m\u00f4\u017ee viaza\u0165.<\/p>\n<p>Za hranicu medzi peptidom a prote\u00ednom sa be\u017ene pova\u017euje pribli\u017ene <strong>50 aminokysel\u00edn<\/strong>. Krat\u0161ie re\u0165azce ozna\u010dujeme ako peptidy, dlh\u0161ie a zlo\u017eito poskladan\u00e9 molekuly ako prote\u00edny (bielkoviny). Hranica nie je striktn\u00e1 \u2013 napr\u00edklad inzul\u00edn (51 aminokysel\u00edn) sa uv\u00e1dza raz ako peptid, raz ako mal\u00fd prote\u00edn.<\/p>\n<h2>Rozdelenie peptidov<\/h2>\n<h3>Pod\u013ea d\u013a\u017eky re\u0165azca<\/h3>\n<ul>\n<li><strong>Dipeptidy a tripeptidy<\/strong> \u2013 2 a\u017e 3 aminokyseliny (napr. glutati\u00f3n je tripeptid).<\/li>\n<li><strong>Oligopeptidy<\/strong> \u2013 pribli\u017ene do 20 aminokysel\u00edn (napr. oxytoc\u00edn m\u00e1 9 aminokysel\u00edn, <a href=\"\/en\/product\/ipamorelin\/\">Ipamorelin<\/a> 5).<\/li>\n<li><strong>Polypeptidy<\/strong> \u2013 dlh\u0161ie re\u0165azce, zvy\u010dajne do 50 aminokysel\u00edn (napr. <a href=\"\/en\/product\/tesamorelin\/\">Tesamorelin<\/a> m\u00e1 44 aminokysel\u00edn).<\/li>\n<\/ul>\n<h3>Pod\u013ea p\u00f4vodu<\/h3>\n<ul>\n<li><strong>Endog\u00e9nne (prirodzen\u00e9)<\/strong> \u2013 vznikaj\u00fa v organizme, napr. horm\u00f3ny, neuropeptidy alebo antimikrobi\u00e1lne peptidy.<\/li>\n<li><strong>Syntetick\u00e9 anal\u00f3gy<\/strong> \u2013 laborat\u00f3rne upraven\u00e9 verzie prirodzen\u00fdch peptidov. \u00daprava sekvencie alebo koncov molekuly zvy\u010dajne zvy\u0161uje stabilitu vo\u010di enzymatick\u00e9mu \u0161tiepeniu, a preto sa anal\u00f3gy vyu\u017e\u00edvaj\u00fa ako referen\u010dn\u00e9 l\u00e1tky vo v\u00fdskume.<\/li>\n<\/ul>\n<h3>Pod\u013ea oblasti v\u00fdskumu<\/h3>\n<p>V praxi sa v\u00fdskumn\u00e9 peptidy delia pod\u013ea sign\u00e1lnych dr\u00e1h, ktor\u00e9 sa s nimi sk\u00famaj\u00fa. Takto je usporiadan\u00fd aj n\u00e1\u0161 <a href=\"\/en\/shop\/\">katal\u00f3g peptidov<\/a>:<\/p>\n<ul>\n<li><a href=\"\/en\/product-category\/rastove-peptidy\/\"><strong>Growth peptides<\/strong><\/a> \u2013 anal\u00f3gy GHRH a sekretag\u00f3gy rastov\u00e9ho horm\u00f3nu, napr. <a href=\"\/en\/product\/tesamorelin\/\">Tesamorelin<\/a> a <a href=\"\/en\/product\/ipamorelin\/\">Ipamorelin<\/a>. Sk\u00famaj\u00fa sa v s\u00favislosti s osou GHRH \u2013 hypof\u00fdza \u2013 IGF-1.<\/li>\n<li><a href=\"\/en\/product-category\/regeneracne-peptidy\/\"><strong>Regenerating peptides<\/strong><\/a> \u2013 <a href=\"\/en\/product\/bpc-157\/\">BPC-157<\/a>, <a href=\"\/en\/product\/tb-500\/\">TB-500<\/a> \u010di <a href=\"\/en\/product\/kpv-10mg\/\">KPV<\/a>, ktor\u00e9 sa sk\u00famaj\u00fa v modeloch hojenia tkan\u00edv a z\u00e1palu.<\/li>\n<li><a href=\"\/en\/product-category\/metabolicke-peptidy\/\"><strong>Metabolic peptides<\/strong><\/a> \u2013 napr. <a href=\"\/en\/product\/glp-3-rta\/\">GLP-3 RTA<\/a>, experiment\u00e1lny trojit\u00fd agonista receptorov GLP-1, GIP a glukag\u00f3nu.<\/li>\n<li><a href=\"\/en\/product-category\/kognitivne-peptidy\/\"><strong>Cognitive peptides<\/strong><\/a> \u2013 <a href=\"\/en\/product\/semax-5mg\/\">Semax<\/a> a <a href=\"\/en\/product\/selank\/\">Selank<\/a>, syntetick\u00e9 anal\u00f3gy kr\u00e1tkych regula\u010dn\u00fdch peptidov sk\u00faman\u00e9 v neurobiol\u00f3gii.<\/li>\n<li><a href=\"\/en\/product-category\/peptidy-pre-regeneraciu-a-starostlivost-o-pokozku\/\"><strong>Peptidy pre v\u00fdskum poko\u017eky<\/strong><\/a> \u2013 najm\u00e4 <a href=\"\/en\/product\/ghk-cu\/\">GHK-Cu<\/a>, komplex tripeptidu s me\u010fou, zn\u00e1my aj z kozmetick\u00e9ho v\u00fdskumu.<\/li>\n<li><a href=\"\/en\/product-category\/hormonalne-peptidy\/\"><strong>Hormonal peptides<\/strong><\/a> \u2013 napr. <a href=\"\/en\/product\/kisspeptin-10\/\">Kisspeptin-10<\/a>, fragment kisspept\u00ednu sk\u00faman\u00fd v reproduk\u010dnej endokrinol\u00f3gii.<\/li>\n<\/ul>\n<h2>Ako sa peptidy vyr\u00e1baj\u00fa<\/h2>\n<p>V\u00fdskumn\u00e9 peptidy sa dnes vyr\u00e1baj\u00fa najm\u00e4 <strong>synt\u00e9zou na pevnej f\u00e1ze (SPPS)<\/strong>, ktor\u00fa zaviedol Robert Bruce Merrifield a za ktor\u00fa v roku 1984 dostal Nobelovu cenu za ch\u00e9miu. Aminokyseliny sa pri nej postupne prid\u00e1vaj\u00fa na re\u0165azec ukotven\u00fd na nosi\u010di, po dokon\u010den\u00ed sa peptid od\u0161tiepi, pre\u010dist\u00ed met\u00f3dou HPLC a <strong>lyofilizuje<\/strong> \u2013 teda vysu\u0161\u00ed mrazom na stabiln\u00fd pr\u00e1\u0161ok.<\/p>\n<p>Lyofilizovan\u00fd peptid je v\u00fdrazne stabilnej\u0161\u00ed ako roztok, preto sa v tejto forme aj skladuje a prepravuje. Pred pou\u017eit\u00edm v laborat\u00f3riu sa rekon\u0161tituuje vhodn\u00fdm rozp\u00fa\u0161\u0165adlom, naj\u010dastej\u0161ie <a href=\"\/en\/product\/bakterio-staticka-voda\/\">bakteriostatickou vodou<\/a> (steriln\u00e1 voda s 0,9 % benzylalkoholu).<\/p>\n<h2>Ako spozna\u0165 kvalitn\u00fd v\u00fdskumn\u00fd peptid<\/h2>\n<p>Pri v\u00fdskume rozhoduje, \u010di l\u00e1tka v ampulke naozaj zodpoved\u00e1 deklar\u00e1cii. Pri v\u00fdbere dod\u00e1vate\u013ea sledujte najm\u00e4 tieto parametre:<\/p>\n<ul>\n<li><strong>\u010cistota pod\u013ea HPLC<\/strong> \u2013 vysoko\u00fa\u010dinn\u00e1 kvapalinov\u00e1 chromatografia ukazuje podiel cie\u013eov\u00e9ho peptidu vo\u010di ne\u010distot\u00e1m. Pre v\u00fdskumn\u00e9 \u00fa\u010dely sa be\u017ene vy\u017eaduje \u226598 \u2013 99 %.<\/li>\n<li><strong>Identita pod\u013ea hmotnostnej spektrometrie (MS)<\/strong> \u2013 potvrdzuje, \u017ee molekulov\u00e1 hmotnos\u0165 zodpoved\u00e1 o\u010dak\u00e1vanej sekvencii.<\/li>\n<li><strong>Certifik\u00e1t anal\u00fdzy (COA) ku konkr\u00e9tnej \u0161ar\u017ei<\/strong> \u2013 nie jeden v\u0161eobecn\u00fd dokument, ale certifik\u00e1t s \u010d\u00edslom \u0161ar\u017ee a d\u00e1tumom anal\u00fdzy. Na\u0161e certifik\u00e1ty n\u00e1jdete v sekcii <a href=\"\/en\/coa\/\">COA<\/a>.<\/li>\n<li><strong>Obsah a forma<\/strong> \u2013 deklarovan\u00e9 mno\u017estvo v mg, lyofilizovan\u00e1 forma, uzavret\u00e1 sklenen\u00e1 ampulka.<\/li>\n<li><strong>Skladovanie a preprava<\/strong> \u2013 r\u00fdchle doru\u010denie z lok\u00e1lneho skladu skracuje \u010das, ktor\u00fd peptid str\u00e1vi mimo kontrolovan\u00fdch podmienok.<\/li>\n<\/ul>\n<h2>Skladovanie peptidov<\/h2>\n<p>Lyofilizovan\u00e9 peptidy uchov\u00e1vajte v chlade, suchu a bez pr\u00edstupu svetla. Na dlhodob\u00e9 uskladnenie sa v laborat\u00f3ri\u00e1ch \u0161tandardne pou\u017e\u00edva mrazni\u010dka (\u221220 \u00b0C), na krat\u0161ie obdobie chladni\u010dka (2 \u2013 8 \u00b0C). Po rekon\u0161tit\u00facii je roztok citlivej\u0161\u00ed \u2013 skladuje sa v chladni\u010dke a spotrebuje v krat\u0161om \u010dase. Opakovan\u00e9mu zmrazovaniu a rozmrazovaniu roztoku sa odpor\u00fa\u010da vyhn\u00fa\u0165. Pri pr\u00e1ci s presn\u00fdmi koncentr\u00e1ciami v\u00e1m pom\u00f4\u017ee na\u0161a <a href=\"\/en\/kalkulacka\/\">kalkula\u010dka rekon\u0161tit\u00facie<\/a>.<\/p>\n<h2>V\u00fdskumn\u00e9 peptidy na Slovensku a v \u010cesku<\/h2>\n<p>V\u00fdskumn\u00e9 peptidy nie s\u00fa registrovan\u00e9 ako lieky ani doplnky v\u00fd\u017eivy. Pred\u00e1vaj\u00fa sa ako chemick\u00e9 l\u00e1tky ur\u010den\u00e9 v\u00fdhradne na <strong>in vitro v\u00fdskum a laborat\u00f3rne \u00fa\u010dely<\/strong> a nie s\u00fa ur\u010den\u00e9 na hum\u00e1nne ani veterin\u00e1rne pou\u017eitie. Pri n\u00e1kupe preto d\u00e1va zmysel vybera\u0165 dod\u00e1vate\u013ea, ktor\u00fd transparentne uv\u00e1dza anal\u00fdzy a p\u00f4vod \u0161ar\u017e\u00ed.<\/p>\n<p><strong>DoktorPeptid<\/strong> je slovensk\u00fd e-shop s vlastn\u00fdm skladom na Slovensku. Peptidy dod\u00e1vame lyofilizovan\u00e9, s deklarovanou \u010distotou \u226599 % a s COA ku ka\u017edej \u0161ar\u017ei. Objedn\u00e1vky expedujeme spravidla do 24 hod\u00edn a doru\u010dujeme po celom Slovensku, do \u010ceskej republiky aj do \u010fal\u0161\u00edch kraj\u00edn E\u00da. Podrobnosti n\u00e1jdete na str\u00e1nke <a href=\"\/en\/doprava\/\">Shipping and returns<\/a>.<\/p>\n<p><a href=\"\/en\/shop\/\"><strong>\u2192 Prejs\u0165 do katal\u00f3gu v\u00fdskumn\u00fdch peptidov<\/strong><\/a><\/p>\n<h2>\u010cast\u00e9 ot\u00e1zky o peptidoch<\/h2>\n<h3>\u010co s\u00fa peptidy jednoducho povedan\u00e9?<\/h3>\n<p>Kr\u00e1tke re\u0165azce aminokysel\u00edn \u2013 \u201emal\u00e9 bielkoviny\u201c. Zvy\u010dajne maj\u00fa 2 a\u017e pribli\u017ene 50 aminokysel\u00edn a v organizme funguj\u00fa najm\u00e4 ako sign\u00e1lne molekuly.<\/p>\n<h3>Ak\u00fd je rozdiel medzi peptidom a prote\u00ednom?<\/h3>\n<p>Hlavne d\u013a\u017eka a \u0161trukt\u00fara. Peptidy s\u00fa krat\u0161ie (do ~50 aminokysel\u00edn), prote\u00edny s\u00fa dlh\u0161ie a maj\u00fa zlo\u017eit\u00fa priestorov\u00fa \u0161trukt\u00faru.<\/p>\n<h3>Kde k\u00fapi\u0165 v\u00fdskumn\u00e9 peptidy na Slovensku?<\/h3>\n<p>Napr\u00edklad v e-shope DoktorPeptid \u2013 peptidy m\u00e1me skladom na Slovensku, s COA ku ka\u017edej \u0161ar\u017ei a exped\u00edciou do 24 hod\u00edn.<\/p>\n<h3>Doru\u010dujete peptidy aj do \u010ceska?<\/h3>\n<p>\u00c1no, do \u010ceskej republiky doru\u010dujeme \u0161tandardne, rovnako ako do \u010fal\u0161\u00edch kraj\u00edn E\u00da.<\/p>\n<h3>Ako sa skladuj\u00fa lyofilizovan\u00e9 peptidy?<\/h3>\n<p>V chlade, suchu a temne \u2013 dlhodobo pri \u221220 \u00b0C, kr\u00e1tkodobo v chladni\u010dke pri 2 \u2013 8 \u00b0C. Po rekon\u0161tit\u00facii v chladni\u010dke.<\/p>\n<h3>S\u00fa v\u00fdskumn\u00e9 peptidy ur\u010den\u00e9 na \u013eudsk\u00fa spotrebu?<\/h3>\n<p>Nie. V\u0161etky produkty s\u00fa ur\u010den\u00e9 v\u00fdhradne na in vitro v\u00fdskum a laborat\u00f3rne \u00fa\u010dely. Nie s\u00fa liekmi ani doplnkami v\u00fd\u017eivy.<\/p>","protected":false},"excerpt":{"rendered":"<p>Peptidy s\u00fa kr\u00e1tke re\u0165azce aminokysel\u00edn spojen\u00e9 peptidov\u00fdmi v\u00e4zbami. V pr\u00edrode funguj\u00fa ako sign\u00e1lne molekuly, horm\u00f3ny \u010di neurotransmitery a v laborat\u00f3ri\u00e1ch patria medzi naj\u010dastej\u0161ie sk\u00faman\u00e9\u2026<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1786","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/pages\/1786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/comments?post=1786"}],"version-history":[{"count":0,"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/pages\/1786\/revisions"}],"wp:attachment":[{"href":"https:\/\/doktorpeptid.sk\/en\/wp-json\/wp\/v2\/media?parent=1786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}