{"id":70770,"date":"2026-05-12T10:58:38","date_gmt":"2026-05-12T10:58:38","guid":{"rendered":"https:\/\/medsbase.com\/?post_type=product&#038;p=70770"},"modified":"2026-05-21T07:14:09","modified_gmt":"2026-05-21T07:14:09","slug":"hgh-191aa","status":"publish","type":"product","link":"https:\/\/medsbase.com\/cs\/product\/hgh-191aa\/","title":{"rendered":"HGH 191AA"},"content":{"rendered":"<p><!-- medsbase-tldr-answer --><\/p>\n<div style=\"background: #fff8e1; border-left: 4px solid #f5a623; padding: 18px 22px; margin: 18px 0; border-radius: 4px;\">\n<h3 style=\"margin: 0 0 8px 0; font-size: 16px; color: #1a4a6b;\">Rychl\u00e1 odpov\u011b\u010f \u2014 Co je HGH 191AA?<\/h3>\n<p style=\"margin: 0;\"><strong>HGH 191AA<\/strong> je rekombinantn\u00ed lidsk\u00fd r\u016fstov\u00fd hormon v pln\u00e9 nativn\u00ed sekvenci 191 aminokyselin (somatropin), 22 kDa peptidov\u00fd hormon hypof\u00fdzy vyroben\u00fd rekombinantn\u00ed DNA technologi\u00ed, kter\u00fd p\u0159esn\u011b odpov\u00edd\u00e1 endogenn\u00edmu lidsk\u00e9mu GH polypeptidu. P\u016fsob\u00ed p\u0159\u00edmo na receptor r\u016fstov\u00e9ho hormonu (GHR) k aktivaci signalizace JAK2\/STAT5 a stimulaci jatern\u00ed produkce IGF-1. Toto je modern\u00ed farmaceutick\u00e1 kvalita (191AA) na rozd\u00edl od zastaral\u00e9 bakteri\u00e1ln\u00ed rekombinantn\u00ed varianty 192AA. Dod\u00e1v\u00e1 se v lyofilizovan\u00fdch lahvi\u010dk\u00e1ch o obsahu 10\u201340 IU v\u00fdhradn\u011b pro laboratorn\u00ed v\u00fdzkum.<\/p>\n<\/div>\n<div class=\"medsbase-trust-strip\" style=\"background: #f4f8fb; border: 1px solid #d8e3eb; padding: 12px 16px; margin: 16px 0; border-radius: 4px; font-size: 14px;\"><strong>Co z\u00edsk\u00e1te s MedsBase:<\/strong> V\u00fdzkumn\u00fd lyofilizovan\u00fd rekombinantn\u00ed protein \u00b7 HPLC \u010distota \u226598% (COA na vy\u017e\u00e1d\u00e1n\u00ed) \u00b7 Diskr\u00e9tn\u00ed teplotn\u011b stabiln\u00ed balen\u00ed \u00b7 Celosv\u011btov\u00e1 p\u0159eprava peptid\u016f \u00b7 1 400+ ov\u011b\u0159en\u00fdch <a href=\"https:\/\/medsbase.com\/cs\/reviews\/\">recenz\u00ed z\u00e1kazn\u00edk\u016f<\/a><\/div>\n<p class=\"medsbase-reship-line\" style=\"font-size: 14px; color: #444; margin: 8px 0 18px;\">\ud83d\udce6 Ka\u017ed\u00e1 objedn\u00e1vka je pokryta na\u0161\u00ed <a href=\"https:\/\/medsbase.com\/cs\/medsbase-re-shipment-assurance-policy\/\"><strong>Z\u00e1rukou op\u011btovn\u00e9ho odesl\u00e1n\u00ed<\/strong><\/a> \u2014 pokud va\u0161e z\u00e1silka nedoraz\u00ed do 20 pracovn\u00edch dn\u016f, p\u0159epos\u00edl\u00e1me ji.<\/p>\n<table class=\"medsbase-spec-table\" style=\"width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px;\">\n<thead>\n<tr style=\"background: #2c7cb0; color: #fff;\">\n<th style=\"padding: 8px 12px; text-align: left; width: 30%;\">Specifikace<\/th>\n<th style=\"padding: 8px 12px; text-align: left;\">Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>CAS \u010d\u00edslo<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">12629-01-5 (somatropin) \/ 96827-07-5 (rekombinantn\u00ed somatropin)<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>Typ<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">Rekombinantn\u00ed protein \u2014 nativn\u00ed sekvence lidsk\u00e9ho r\u016fstov\u00e9ho hormonu o 191 aminokyselin\u00e1ch (somatropin); INN: somatropin<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>item7<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">22 124 Da (~22 kDa)<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>Struktura<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">Jedin\u00fd polypeptidov\u00fd \u0159et\u011bzec o 191 aminokyselin\u00e1ch slo\u017een\u00fd do kanonick\u00e9 topologie \u010dty\u0159\u0161roubovicov\u00e9ho svazku, stabilizovan\u00fd dv\u011bma intramolekul\u00e1rn\u00edmi disulfidov\u00fdmi vazbami (Cys53\u2013Cys165 a Cys182\u2013Cys189). Ozna\u010den\u00ed 191AA odli\u0161uje modern\u00ed farmaceutickou kvalitu od zastaral\u00e9 bakteri\u00e1ln\u00ed rekombinantn\u00ed varianty 192AA, kter\u00e1 nesla extra N-termin\u00e1ln\u00ed methionin.<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>Jednotkov\u00e1 aktivita<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">P\u0159ibli\u017en\u011b 3 IU na mg rekombinantn\u00edho 191AA HGH (mezin\u00e1rodn\u00ed jednotky, standard WHO)<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>item11<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">Lyofilizovan\u00fd rekombinantn\u00ed protein (b\u00edl\u00fd a\u017e sv\u011btle \u017elut\u00fd pr\u00e1\u0161ek)<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>item13<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">\u226598% (ov\u011b\u0159eno HPLC, COA na vy\u017e\u00e1d\u00e1n\u00ed)<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>Skladov\u00e1n\u00ed<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">Lyofilizovan\u00fd: 2\u20138 \u00b0C (ledni\u010dka) pro pracovn\u00ed z\u00e1soby; \u221220 \u00b0C pro dlouhodob\u00e9 skladov\u00e1n\u00ed neotev\u0159en\u00fdch vialek. Rekonstituovan\u00fd: 2\u20138 \u00b0C, pou\u017e\u00edt do ~14 dn\u016f. Chr\u00e1nit p\u0159ed sv\u011btlem. Nen\u00ed vhodn\u00e9 zmrazovat a rozmrazovat rekonstituovan\u00fd roztok \u2014 rekombinantn\u00ed proteiny jsou obzvl\u00e1\u0161t\u011b citliv\u00e9 na denaturaci p\u0159i zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed.<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>Rozpustnost<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">Bakteriostatick\u00e1 voda (doporu\u010deno). Nosn\u00fd protein (BSA, 0,1%) voliteln\u00fd pro pracovn\u00ed \u0159ed\u011bn\u00ed, aby se minimalizovaly ztr\u00e1ty adsorpc\u00ed.<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0; width: 30%;\"><strong>Pouze pro v\u00fdzkum<\/strong><\/td>\n<td style=\"padding: 8px 12px; border-bottom: 1px solid #e0e0e0;\">Pouze pro laboratorn\u00ed v\u00fdzkum. Nen\u00ed ur\u010deno pro diagnostick\u00e9 nebo terapeutick\u00e9 pou\u017eit\u00ed u lid\u00ed nebo zv\u00ed\u0159at.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- \/medsbase-tldr-answer --><\/p>\n<h2>Co je HGH 191AA?<\/h2>\n<p><strong>HGH 191AA<\/strong> je rekombinantn\u00ed lidsk\u00fd r\u016fstov\u00fd hormon (somatropin) v nativn\u00ed sekvenci o 191 aminokyselin\u00e1ch. Je produkov\u00e1n rekombinantn\u00ed DNA technologi\u00ed a p\u0159esn\u011b odpov\u00edd\u00e1 endogenn\u00edmu lidsk\u00e9mu GH polypeptidu \u2014 stejn\u00fdch 191 aminokyselin, stejn\u00e1 trojrozm\u011brn\u00e1 struktura \u010dty\u0159\u0161roubovicov\u00e9ho svazku, stejn\u00e9 dv\u011b intramolekul\u00e1rn\u00ed disulfidov\u00e9 vazby na Cys53\u2013Cys165 a Cys182\u2013Cys189. Ozna\u010den\u00ed 191AA specificky odli\u0161uje modern\u00ed farmaceutickou rekombinantn\u00ed formu od star\u0161\u00ed varianty 192AA produkovan\u00e9 v bakteri\u00e1ln\u00edch expresn\u00edch syst\u00e9mech, kter\u00e1 m\u011bla dodate\u010dnou N-termin\u00e1ln\u00ed methioninu, co\u017e zp\u016fsobovalo men\u0161\u00ed antigenn\u00ed rozd\u00edly a kter\u00e1 byla ji\u017e v\u011bt\u0161inou vy\u0159azena z v\u00fdzkumu a klinick\u00e9ho pou\u017eit\u00ed.<\/p>\n<p>HGH je hlavn\u00edm peptidov\u00fdm hormonem vylu\u010dovan\u00fdm somatotropn\u00edmi bu\u0148kami p\u0159edn\u00edho laloku hypof\u00fdzy v epizodick\u00fdch pulzech, s maxim\u00e1ln\u00edmi amplitudami b\u011bhem \u010dasn\u00e9ho sp\u00e1nku s pomal\u00fdmi vlnami a po intenzivn\u00edm cvi\u010den\u00ed. Endogenn\u00ed sekrece je regulov\u00e1na naho\u0159e hypotalamick\u00fdm GHRH (pozitivn\u011b) a somatostatinem (negativn\u011b). Rekombinantn\u00ed forma 191AA m\u00e1 empirickou molekulovou hmotnost 22 124 Da, INN somatropin, CAS \u010d\u00edslo 12629-01-5 pro nativn\u00ed protein a 96827-07-5 pro rekombinantn\u00ed formu. Standardn\u00ed jednotka aktivity pro rekombinantn\u00ed HGH 191AA je p\u0159ibli\u017en\u011b 3 IU na mg podle mezin\u00e1rodn\u00edho standardu WHO. L\u00e1tka je dod\u00e1v\u00e1na jako vysoce \u010dist\u00fd lyofilizovan\u00fd pr\u00e1\u0161ek pro rekonstituci s bakteriostatickou vodou. HGH je v mnoha jurisdikc\u00edch nejp\u0159\u00edsn\u011bji regulovan\u00fdm peptidem a je schv\u00e1len pouze na l\u00e9ka\u0159sk\u00fd p\u0159edpis pro specifick\u00e9 l\u00e9ka\u0159sk\u00e9 indikace (d\u011btsk\u00fd nedostatek GH, nedostatek GH u dosp\u011bl\u00fdch, Turner\u016fv syndrom, idiopatick\u00e1 n\u00edzk\u00e1 postava, AIDS kachexie, syndrom kr\u00e1tk\u00e9ho st\u0159eva). V\u00fdzkumn\u00fd HGH 191AA prod\u00e1van\u00fd zde je dod\u00e1v\u00e1n <strong>ur\u010den pouze pro laboratorn\u00ed v\u00fdzkum<\/strong> a nen\u00ed ur\u010den pro lidsk\u00e9 ani veterin\u00e1rn\u00ed pod\u00e1v\u00e1n\u00ed. Pro peptidy, kter\u00e9 stimuluj\u00ed endogenn\u00ed uvol\u0148ov\u00e1n\u00ed GH sp\u00ed\u0161e ne\u017e dod\u00e1vaj\u00ed exogenn\u00ed GH, viz na\u0161e <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a>, <a href=\"https:\/\/medsbase.com\/cs\/cjc-1295-with-dac\/\">CJC-1295 with DAC<\/a>, a <a href=\"https:\/\/medsbase.com\/cs\/ipamorelin\/\">Ipamorelin<\/a> produktov\u00e9 str\u00e1nky.<\/p>\n<h2>Mechanismus \u00fa\u010dinku \u2014 Signalizace receptoru r\u016fstov\u00e9ho hormonu a osa GH\/IGF<\/h2>\n<p>Co \u010din\u00ed HGH 191AA mechanisticky v\u00fdjime\u010dn\u00fdm mezi v\u00fdzkumn\u00fdmi peptidy, je to, \u017ee je to <strong>p\u0159\u00edm\u00fd exogenn\u00ed ligand<\/strong> pro receptor r\u016fstov\u00e9ho hormonu \u2014 nikoli analog, nikoli sekretagog, ale samotn\u00fd nativn\u00ed polypeptid. N\u00e1sledn\u00e1 sign\u00e1ln\u00ed kask\u00e1da byla charakterizov\u00e1na v desetilet\u00edch publikovan\u00e9ho v\u00fdzkumu:<\/p>\n<ul>\n<li><strong>Vazba na receptor r\u016fstov\u00e9ho hormonu (GHR) a homodimerizace<\/strong> \u2014 HGH v\u00e1\u017ee jednu molekulu GHR s vysokou afinitou a indukuje homodimerizaci s druhou jednotkou receptoru, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed bioaktivn\u00ed ligand-receptorov\u00fd komplex 1:2. Dimerizovan\u00fd receptor rekrutuje cytoplazmatickou Janus kin\u00e1zu 2 (JAK2) k intracelul\u00e1rn\u00ed motivu receptorov\u00e9 krabice, co\u017e vede k trans-fosforylaci JAK2 a samotn\u00e9ho receptoru. Toto je kanonick\u00fd mechanismus aktivace receptoru typu I cytokin\u016f.<\/li>\n<li><strong>Aktivace transkrip\u010dn\u00edho faktoru JAK2\/STAT5<\/strong> \u2014 Fosforylovan\u00e1 JAK2 fosforyluje Signal Transducer and Activator of Transcription 5 (STAT5), p\u0159edev\u0161\u00edm STAT5b, kter\u00fd pot\u00e9 dimerizuje a translokuje do j\u00e1dra, kde se v\u00e1\u017ee na promotory gen\u016f citliv\u00fdch na GH. Dominantn\u00edm transkrip\u010dn\u00edm v\u00fdstupem je indukce exprese IGF-1 (Insulin-like Growth Factor 1) v hepatocytech \u2014 hlavn\u00edho endokrinn\u00edho efektoru perifern\u00edch r\u016fst-podporuj\u00edc\u00edch \u00fa\u010dink\u016f GH. Mezi dal\u0161\u00ed geny citliv\u00e9 na GH pat\u0159\u00ed proteiny SOCS (negativn\u00ed zp\u011btn\u00e1 vazba), CIS a program gen\u016f synt\u00e9zy jatern\u00edch protein\u016f.<\/li>\n<li><strong>P\u0159\u00edm\u00e9 a nep\u0159\u00edm\u00e9 (IGF-1-zprost\u0159edkovan\u00e9) tk\u00e1\u0148ov\u00e9 \u00fa\u010dinky<\/strong> \u2014 GH m\u00e1 dva hlavn\u00ed mechanismy \u00fa\u010dinku. <em>P\u0159\u00edm\u00e9 \u00fa\u010dinky<\/em>: lipol\u00fdza v adipocytech, gluk\u00f3zo-regula\u010dn\u00ed \u00fa\u010dinky p\u016fsob\u00edc\u00ed proti inzulinu ve svalech a j\u00e1trech, a p\u0159\u00edm\u00e9 anabolick\u00e9 signalizace v tk\u00e1n\u00edch exprimuj\u00edc\u00edch GHR v\u010detn\u011b chondrocyt\u016f (ve v\u00fdzkumu r\u016fstov\u00fdch plot\u00e9nek dlouh\u00fdch kost\u00ed) a imunitn\u00edch bun\u011bk. <em>Nep\u0159\u00edm\u00e9 \u00fa\u010dinky prost\u0159ednictv\u00edm IGF-1<\/em>: jatern\u00ed IGF-1 p\u016fsob\u00ed na receptor IGF-1 prakticky ve v\u0161ech typech bun\u011bk, co\u017e spou\u0161t\u00ed synt\u00e9zu protein\u016f zprost\u0159edkovanou Akt\/mTOR, proliferaci bun\u011bk a signalizaci p\u0159e\u017eit\u00ed. Tato v\u00fdzkumn\u00e1 l\u00e1tka <a href=\"https:\/\/medsbase.com\/cs\/igf-1-lr3\/\">IGF-1 LR3<\/a> je kanonick\u00fd n\u00e1stroj pro p\u0159\u00edm\u00fd IGF-receptor pou\u017e\u00edvan\u00fd k rozli\u0161en\u00ed p\u0159\u00edm\u00fdch \u00fa\u010dink\u016f GH od \u00fa\u010dink\u016f zprost\u0159edkovan\u00fdch IGF-1.<\/li>\n<\/ul>\n<p>HGH m\u00e1 relativn\u011b kr\u00e1tk\u00fd polo\u010das v plazm\u011b (~3\u20135 hodin po subkut\u00e1nn\u00ed aplikaci nativn\u00edho proteinu) kv\u016fli ren\u00e1ln\u00ed filtraci a proteolytick\u00e9 clearance. Pulzn\u00ed charakter endogenn\u00ed sekrece je kl\u00ed\u010dov\u00fdm rysem osy GH \u2014 trval\u00e9 vystaven\u00ed GH vytv\u00e1\u0159\u00ed odli\u0161n\u00e9 vzorce genov\u00e9 exprese ne\u017e pulzn\u00ed vystaven\u00ed, co\u017e je d\u016fle\u017eit\u00e9 zv\u00e1\u017eit p\u0159i n\u00e1vrhu v\u00fdzkumn\u00fdch protokol\u016f. Subkut\u00e1nn\u00ed aplikace je standardn\u00ed v\u00fdzkumnou cestou. Pro v\u00fdzkum endogenn\u00edho pulzn\u00edho vzorce secretagogy jako <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a>, <a href=\"https:\/\/medsbase.com\/cs\/cjc-1295-with-dac\/\">CJC-1295<\/a>, a <a href=\"https:\/\/medsbase.com\/cs\/ipamorelin\/\">Ipamorelin<\/a> zachov\u00e1vaj\u00ed p\u0159irozen\u00fd pulzn\u00ed charakter; pro p\u0159\u00edmou farmakologii GH-receptoru poskytuje exogenn\u00ed HGH \u010dist\u0161\u00ed stimul.<\/p>\n<h2>Publikovan\u00e9 v\u00fdzkumn\u00e9 aplikace<\/h2>\n<p>HGH 191AA se pou\u017e\u00edv\u00e1 v laboratorn\u00edm v\u00fdzkumu, kter\u00fd zkoum\u00e1:<\/p>\n<ul>\n<li><strong>Farmakologii osy r\u016fstov\u00e9ho hormonu<\/strong> \u2014 p\u0159\u00edmou signalizaci GHR, kinetiku fosforylace JAK2\/STAT5, indukci IGF-1; kanonick\u00fd v\u00fdzkumn\u00fd peptid pro GH stranu osy GH\/IGF-1<\/li>\n<li><strong>V\u00fdzkum indukce IGF-1<\/strong> \u2014 exprese genu IGF-1 v j\u00e1trech, dynamika cirkuluj\u00edc\u00edho IGF-1, regulace IGF-vazebn\u00e9ho proteinu (IGFBP); kompar\u00e1tor pro <a href=\"https:\/\/medsbase.com\/cs\/igf-1-lr3\/\">IGF-1 LR3<\/a>-zalo\u017een\u00fd v\u00fdzkum, kter\u00fd obch\u00e1z\u00ed krok GH<\/li>\n<li><strong>V\u00fdzkum anabolick\u00e9 signalizace<\/strong> \u2014 synt\u00e9za protein\u016f ve skelet\u00e1ln\u00edm svalu prost\u0159ednictv\u00edm Akt\/mTOR (v\u011bt\u0161inou zprost\u0159edkovan\u00e1 IGF-1), signalizace chondrocyt\u016f v r\u016fstov\u00fdch plot\u00e9nk\u00e1ch kost\u00ed, lipol\u00fdza tukov\u00e9 tk\u00e1n\u011b<\/li>\n<li><strong>V\u00fdzkum jatern\u00edho metabolismu<\/strong> \u2014 produkce gluk\u00f3zy v j\u00e1trech, metabolismus lipid\u016f, hepatocytov\u011b specifick\u00e1 transkrip\u010dn\u00ed odpov\u011b\u010f na stimulaci r\u016fstov\u00fdm hormonem<\/li>\n<li><strong>Preklinick\u00e9 modely deficitu r\u016fstov\u00e9ho hormonu<\/strong> \u2014 z\u00e1chrann\u00e9 studie u hypofyzektomovan\u00fdch hlodavc\u016f, modely trpasli\u010d\u00edch my\u0161\u00ed Snell a Ames, charakterizace transgenn\u00edho knockoutu receptoru r\u016fstov\u00e9ho hormonu<\/li>\n<li><strong>V\u00fdzkum sp\u00e1nku a cirkadi\u00e1nn\u00edch rytm\u016f<\/strong> \u2014 vztah mezi architekturou sp\u00e1nku a pulzn\u00ed sekrec\u00ed r\u016fstov\u00e9ho hormonu, z\u00e1vislost r\u016fstov\u00e9ho hormonu na pomal\u00e9m sp\u00e1nku<\/li>\n<li><strong>Srovn\u00e1vac\u00ed v\u00fdzkum osy r\u016fstov\u00e9ho hormonu<\/strong> \u2014 srovn\u00e1n\u00ed s analogy GHRH (<a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a>, <a href=\"https:\/\/medsbase.com\/cs\/cjc-1295-with-dac\/\">CJC-1295<\/a>) a sekretagogy r\u016fstov\u00e9ho hormonu (<a href=\"https:\/\/medsbase.com\/cs\/ipamorelin\/\">Ipamorelin<\/a>, <a href=\"https:\/\/medsbase.com\/cs\/ghrp-6\/\">GHRP-6<\/a>, <a href=\"https:\/\/medsbase.com\/cs\/ghrp-2\/\">GHRP-2<\/a>) kter\u00e9 produkuj\u00ed endogenn\u00ed pulzy r\u016fstov\u00e9ho hormonu nam\u00edsto exogenn\u00ed n\u00e1hrady<\/li>\n<li><strong>V\u00fdzkum regenerace tk\u00e1n\u00ed a hojen\u00ed ran<\/strong> \u2014 publikovan\u00e1 literatura o \u00fa\u010dinc\u00edch GH v modelech pop\u00e1lenin, poopera\u010dn\u00ed rekonvalescenci a regeneraci tk\u00e1n\u00ed; vztah k <a href=\"https:\/\/medsbase.com\/cs\/tb-500\/\">TB-500<\/a> a <a href=\"https:\/\/medsbase.com\/cs\/bpc-157\/\">BPC-157<\/a> v\u00fdzkumu hoj\u00edc\u00edch peptid\u016f<\/li>\n<li><strong>V\u00fdzkum endokrinologie a st\u00e1rnut\u00ed<\/strong> \u2014 somatopauza a v\u011bkem podm\u00edn\u011bn\u00fd pokles GH, srovn\u00e1vac\u00ed studie n\u00e1hrady GH versus stimulace osy GH ve v\u00fdzkumn\u00fdch modelech st\u00e1rnut\u00ed.<\/li>\n<\/ul>\n<p>Pro \u0161ir\u0161\u00ed kontext, kam se HGH 191AA \u0159ad\u00ed v r\u00e1mci peptid\u016f r\u016fstov\u00e9 osy, viz <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a> a <a href=\"https:\/\/medsbase.com\/cs\/cjc-1295-with-dac\/\">CJC-1295 with DAC<\/a> jako kompar\u00e1tory osy GHRH, <a href=\"https:\/\/medsbase.com\/cs\/ipamorelin\/\">Ipamorelin<\/a> jako selektivn\u00ed kompar\u00e1tor GHS, a <a href=\"https:\/\/medsbase.com\/cs\/igf-1-lr3\/\">IGF-1 LR3<\/a> jako agonista IGF receptoru po proudu. Prohl\u00e9dn\u011bte si cel\u00fd <a href=\"https:\/\/medsbase.com\/cs\/peptides\/\">katalog v\u00fdzkumn\u00fdch peptid\u016f<\/a> pro p\u0159\u00edbuzn\u00e9 slou\u010deniny.<\/p>\n<h2>Dostupn\u00e9 s\u00edly a koncentrace<\/h2>\n<p>MedsBase nab\u00edz\u00ed HGH 191AA v p\u011bti lyofilizovan\u00fdch velikostech vial\u016f kalibrovan\u00fdch v mezin\u00e1rodn\u00edch jednotk\u00e1ch (IU). Ka\u017ed\u00e1 s\u00edla je dostupn\u00e1 v balen\u00ed po 10 nebo 20 vialech s \u00fapln\u00fdmi pokyny pro rekonstituci:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 16px 0;\">\n<thead>\n<tr style=\"background: #2c7cb0; color: #fff;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">S\u00edla vialu (IU)<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">P\u0159ibli\u017en\u00e1 hmotnost<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Typick\u00fd v\u00fdzkumn\u00fd p\u0159\u00edpad u\u017eit\u00ed<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Velikosti balen\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>10 IU<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~3,3 mg<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Pilotn\u00ed d\u00e1vkov\u00e1n\u00ed, n\u00edzk\u00e9 titra\u010dn\u00ed stupn\u011b, kr\u00e1tkodob\u00e9 protokoly<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">10 nebo 20 vialek<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>15 IU<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~5 mg<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Standardn\u00ed v\u00fdzkumn\u00e1 s\u00edla, st\u0159edn\u00ed titra\u010dn\u00ed rameno<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">10 nebo 20 vialek<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>24 IU<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~8 mg<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">V\u00fdzkum s prodlou\u017een\u00fdm cyklem, vy\u0161\u0161\u00ed titra\u010dn\u00ed rameno<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">10 nebo 20 vialek<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>36 IU<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~12 mg<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">V\u00edce t\u00fddenn\u00ed protokoly z jedn\u00e9 lahvi\u010dky, men\u0161\u00ed objem rekonstituce na d\u00e1vku<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">10 nebo 20 vialek<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>40 IU<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~13,3 mg<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Hromadn\u00e1 v\u00fdzkumn\u00e1 lahvi\u010dka, nejni\u017e\u0161\u00ed n\u00e1klady na IU, studie s v\u00edce kohortami<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">10 nebo 20 vialek<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u0161ech p\u011bt sil je stejn\u00e9 chemick\u00e9 formy (lyofilizovan\u00fd rekombinantn\u00ed somatropin 191AA, \u226598% HPLC \u010distoty). Konvence ozna\u010dov\u00e1n\u00ed IU je standardem pro v\u00fdzkum HGH a klinickou literaturu; p\u0159ibli\u017en\u00e9 ekvivalenty v mg jsou uvedeny pro v\u00fdzkumn\u00edky kalibruj\u00edc\u00ed d\u00e1vku podle literatury zalo\u017een\u00e9 na mg. Lahvi\u010dky s vy\u0161\u0161\u00edm IU vy\u017eaduj\u00ed men\u0161\u00ed objemy rekonstituce na jednotku d\u00e1vky, co\u017e je u\u017eite\u010dn\u00e9 pro minimalizaci objemu injekce u protokol\u016f pro hlodavce nebo pro prov\u00e1d\u011bn\u00ed studi\u00ed s prodlou\u017een\u00fdm cyklem z jedn\u00e9 lahvi\u010dky.<\/p>\n<h2>Jak se porovn\u00e1v\u00e1 - HGH 191AA vs Sermorelin<\/h2>\n<p>HGH 191AA a <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a> p\u0159edstavuj\u00ed dva protich\u016fdn\u00e9 farmakologick\u00e9 p\u0159\u00edstupy k v\u00fdzkumu GH osy: exogenn\u00ed n\u00e1hrada GH vs endogenn\u00ed stimulace GH. Toto srovn\u00e1n\u00ed je jedn\u00edm z nej\u010dast\u011bji citovan\u00fdch v n\u00e1vrhu v\u00fdzkumu r\u016fstov\u00e9 osy, proto\u017ee tyto dva p\u0159\u00edstupy odpov\u00eddaj\u00ed na r\u016fzn\u00e9 v\u00fdzkumn\u00e9 ot\u00e1zky a produkuj\u00ed kvalitativn\u011b odli\u0161n\u00e9 fenotypy.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 16px 0;\">\n<thead>\n<tr style=\"background: #2c7cb0; color: #fff;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Krit\u00e9rium<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">HGH 191AA<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Sermorelin<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Co to je<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Exogenn\u00ed GH samotn\u00fd (rekombinantn\u00ed)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Analog GHRH(1-29) \u2014 stimuluje endogenn\u00ed GH<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>D\u00e9lka<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">191 aminokyselin (~22 kDa)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">29 aminokyselin (~3 kDa)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Mechanismus \u00fa\u010dinku<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">P\u0159\u00edm\u00e1 agonie GHR (n\u00e1hrada)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Agonie receptoru GHRH v hypotalamu (stimulace)<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Vzorec pulz\u016f GH<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Trval\u00e1 expozice po ka\u017ed\u00e9 injekci<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Pulzuj\u00edc\u00ed (zachov\u00e1v\u00e1 p\u0159irozen\u00fd rytmus)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Negativn\u00ed zp\u011btn\u00e1 vazba<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Obch\u00e1zeno (potla\u010duje endogenn\u00ed somatotrofy)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Zachov\u00e1no (somatostatin st\u00e1le aktivn\u00ed)<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Polo\u010das v plazm\u011b<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~3\u20135 hodin (SC)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">~10\u201320 minut (velmi kr\u00e1tk\u00e9)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Schv\u00e1len\u00e9 klinick\u00e9 pou\u017eit\u00ed<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">V\u00edce schv\u00e1len\u00fdch indikac\u00ed (Genotropin, Humatrope, Norditropin apod.)<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Historick\u00e9 schv\u00e1len\u00ed FDA pro d\u011btsk\u00fd GHD (Geref); ukon\u010deno<\/td>\n<\/tr>\n<tr style=\"background: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Typick\u00e1 v\u00fdzkumn\u00e1 d\u00e1vka<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">1\u20138 IU na d\u00e1vku<\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">100\u2013500 \u00b5g na pod\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Pro v\u00fdzkum zam\u011b\u0159en\u00fd na p\u0159\u00edmou farmakologii GHR, kinetiku indukce IGF-1 nebo nahrazen\u00ed GH v modelech deficience je HGH 191AA kanonick\u00fdm v\u00fdzkumn\u00fdm n\u00e1strojem, proto\u017ee poskytuje exogenn\u00ed ligand p\u0159\u00edmo. Pro v\u00fdzkum zam\u011b\u0159en\u00fd na fyziologickou pulzuj\u00edc\u00ed dynamiku GH, farmakologii hypotalamo-hypofyz\u00e1rn\u00ed osy nebo jak\u00fdkoli protokol, kde z\u00e1le\u017e\u00ed na zachov\u00e1n\u00ed p\u0159irozen\u00e9 zp\u011btn\u00e9 vazby somatostatinu, <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a> (a p\u0159\u00edbuzn\u00fd <a href=\"https:\/\/medsbase.com\/cs\/cjc-1295-with-dac\/\">CJC-1295 with DAC<\/a>) poskytuj\u00ed alternativu stimulace z vy\u0161\u0161\u00ed \u00farovn\u011b. Mnoho publikovan\u00fdch v\u00fdzkumn\u00fdch design\u016f pou\u017e\u00edv\u00e1 oba paraleln\u011b k odd\u011blen\u00ed p\u0159\u00edm\u00fdch \u00fa\u010dink\u016f GH od \u00fa\u010dink\u016f endogenn\u00edho GH stimulovan\u00e9ho sekretagogem.<\/p>\n<h2>Skladov\u00e1n\u00ed a rekonstituce<\/h2>\n<p><strong>P\u0159ed rekonstituci:<\/strong> skladujte lyofilizovan\u00e9 lahvi\u010dky v chladni\u010dce p\u0159i 2\u20138 \u00b0C v p\u016fvodn\u00edm obalu pro kr\u00e1tkodob\u00e9 pracovn\u00ed z\u00e1soby. Pro dlouhodob\u00e9 skladov\u00e1n\u00ed neotev\u0159en\u00fdch lahvi\u010dek zmrazte p\u0159i \u221220 \u00b0C. Lyofilizovan\u00fd rekombinantn\u00ed HGH je stabiln\u00ed v chladni\u010dce a\u017e 24 m\u011bs\u00edc\u016f a p\u0159i \u221220 \u00b0C a\u017e 36 m\u011bs\u00edc\u016f. Stav skl\u00e1d\u00e1n\u00ed \u010dty\u0159\u0161roubovicov\u00e9ho svazku je zachov\u00e1n v lyofilizovan\u00e9 form\u011b. Vyvarujte se cykl\u016fm zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed lyofilizovan\u00e9ho pr\u00e1\u0161ku.<\/p>\n<p><strong>Postup rekonstituce:<\/strong> Aplikujte bakteriostatickou vodu po st\u011bn\u011b lahvi\u010dky (ne p\u0159\u00edmo na lyofilizovan\u00fd kol\u00e1\u010d). Doporu\u010den\u00e9 objemy rekonstituce se li\u0161\u00ed podle s\u00edly lahvi\u010dky \u2014 pro 10\u00a0IU lahvi\u010dku 1.0\u00a0mL bakteriostatick\u00e9 vody poskytne pracovn\u00ed koncentraci 10\u00a0IU\/mL; pro 36\u00a0IU lahvi\u010dku 1.5\u00a0mL poskytne 24\u00a0IU\/mL. Jemn\u011b zakru\u017ete \u2014 ne <strong>ne<\/strong> prot\u0159epejte \u2014 a nechte 5\u201310 minut pro \u00fapln\u00e9 rozpu\u0161t\u011bn\u00ed. Rekombinantn\u00ed proteiny se rozpou\u0161t\u011bj\u00ed pomaleji ne\u017e mal\u00e9 peptidy; nesp\u011bchejte s krokem rozpou\u0161t\u011bn\u00ed. Intenzivn\u00ed t\u0159ep\u00e1n\u00ed m\u016f\u017ee naru\u0161it strukturu \u010dty\u0159\u0161roubovicov\u00e9ho svazku a sn\u00ed\u017eit aktivitu. Spr\u00e1vn\u011b rekonstituovan\u00fd roztok by m\u011bl b\u00fdt \u010dir\u00fd a bezbarv\u00fd bez viditeln\u00fdch \u010d\u00e1stic.<\/p>\n<p><strong>Po rekonstituci:<\/strong> Skladujte v chladni\u010dce p\u0159i teplot\u011b 2\u20138 \u00b0C a pou\u017eijte do 14 dn\u016f pro optim\u00e1ln\u00ed stabilitu \u2014 co\u017e je pon\u011bkud krat\u0161\u00ed ne\u017e 30denn\u00ed lh\u016fta pro men\u0161\u00ed syntetick\u00e9 peptidy, proto\u017ee v\u011bt\u0161\u00ed \u010dty\u0159\u0161roubovicov\u00fd protein je n\u00e1chyln\u011bj\u0161\u00ed ke ztr\u00e1t\u00e1m adsorpc\u00ed na povrchu a pomal\u00e9 deamidaci. P\u0159ipraven\u00fd roztok nezmrazujte \u2014 cykly zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed vedou k agregaci a ztr\u00e1t\u011b biologick\u00e9 aktivity. Vyho\u010fte jakoukoliv lahvi\u010dku, kter\u00e1 vykazuje z\u00e1kal, sra\u017eeniny nebo zm\u011bnu barvy. Pro dlouhodob\u00e9 \u0159ed\u011bn\u00ed pod 0,1 mg\/mL (~0,3 IU\/mL) minimalizuj\u00ed ztr\u00e1ty adsorpc\u00ed nosn\u00e9 proteiny (BSA v kone\u010dn\u00e9 koncentraci 0,1 %).<\/p>\n<h2 id=\"faqs\">\u010casto kladen\u00e9 dotazy<\/h2>\n<h3>K \u010demu se pou\u017e\u00edv\u00e1 HGH 191AA ve v\u00fdzkumu?<\/h3>\n<p>HGH 191AA se pou\u017e\u00edv\u00e1 v laboratorn\u00edm v\u00fdzkumu ke studiu p\u0159\u00edm\u00e9 farmakologie receptor\u016f r\u016fstov\u00e9ho hormonu, signalizace JAK2\/STAT5, indukce jatern\u00edho IGF-1, anabolick\u00e9 signalizace ve svalech a kostech, jatern\u00edho metabolismu, vztah\u016f mezi sp\u00e1nkem a osou GH, preklinick\u00fdch model\u016f deficitu GH a srovn\u00e1vac\u00ed farmakologie osy GH s analogy GHRH a sekretagogy r\u016fstov\u00e9ho hormonu. Je to kanonick\u00fd n\u00e1stroj pro v\u00fdzkum exogenn\u00edho GH. V\u00fdzkumn\u00fd HGH 191AA prod\u00e1van\u00fd zde je <strong>ne<\/strong> schv\u00e1len\u00fd FDA pro neklinick\u00e9 pou\u017eit\u00ed u lid\u00ed a je dod\u00e1v\u00e1n v\u00fdhradn\u011b pro laboratorn\u00ed v\u00fdzkum.<\/p>\n<h3>Jak\u00fd je rozd\u00edl mezi HGH 191AA a 192AA?<\/h3>\n<p>Forma 191AA je modern\u00ed rekombinantn\u00ed lidsk\u00fd r\u016fstov\u00fd hormon farmaceutick\u00e9 kvality, kter\u00fd p\u0159esn\u011b odpov\u00edd\u00e1 p\u0159irozen\u00e9 lidsk\u00e9 sekvenci (191 aminokyselin). Forma 192AA byla star\u0161\u00ed bakteri\u00e1ln\u011b rekombinantn\u00ed variantou s dodate\u010dnou N-termin\u00e1ln\u00ed methioninovou zbytkovou skupinou (celkem 192 aminokyselin), kter\u00e1 se pou\u017e\u00edvala v ran\u00fdch f\u00e1z\u00edch farmaceutick\u00e9ho v\u00fdvoje p\u0159edt\u00edm, ne\u017e se standardem staly expresn\u00ed syst\u00e9my sav\u010d\u00edch bun\u011bk. Dodate\u010dn\u00fd methionin vyvol\u00e1val u n\u011bkter\u00fdch pacient\u016f m\u00edrnou antigenicitu a forma 192AA byla z velk\u00e9 \u010d\u00e1sti vy\u0159azena jak z v\u00fdzkumu, tak z klinick\u00e9ho pou\u017eit\u00ed. Ve\u0161ker\u00fd v\u00fdzkumn\u00fd HGH od MedsBase je forma 191AA s p\u0159irozenou sekvenc\u00ed.<\/p>\n<h3>Jak se li\u0161\u00ed HGH 191AA od Sermorelinu?<\/h3>\n<p>HGH 191AA je samotn\u00fd exogenn\u00ed r\u016fstov\u00fd hormon \u2014 aktivn\u00ed ligand receptoru. <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a> je 29-aminokyselinov\u00fd analog GHRH (hormonu uvol\u0148uj\u00edc\u00edho r\u016fstov\u00fd hormon), kter\u00fd stimuluje hypof\u00fdzu k uvoln\u011bn\u00ed ENDOGENN\u00cdHO GH. N\u00e1sledn\u00e9 \u00fa\u010dinky jsou podobn\u00e9 ve sm\u011bru, ale kvalitativn\u011b odli\u0161n\u00e9: HGH vytv\u00e1\u0159\u00ed po ka\u017ed\u00e9 injekci tonickou expozici GHR a obch\u00e1z\u00ed zp\u011btnou vazbu hypof\u00fdzy, zat\u00edmco sermorelin vytv\u00e1\u0159\u00ed pulzn\u00ed vzorec uvol\u0148ov\u00e1n\u00ed GH a zachov\u00e1v\u00e1 p\u0159irozenou somatostatinovou zp\u011btnou regulaci. V\u00fdzkumn\u00e9 projekty obvykle pou\u017e\u00edvaj\u00ed jeden nebo druh\u00fd v z\u00e1vislosti na tom, zda se jedn\u00e1 o p\u0159\u00edmou farmakologii GHR (HGH) nebo dynamiku hypothalamicko-hypofyz\u00e1rn\u00ed osy (sermorelin).<\/p>\n<h3>Jak se HGH 191AA li\u0161\u00ed od IGF-1 LR3?<\/h3>\n<p>HGH 191AA p\u016fsob\u00ed na receptor r\u016fstov\u00e9ho hormonu (GH), co\u017e stimuluje produkci IGF-1 v j\u00e1trech jako hlavn\u00edho n\u00e1sledn\u00e9ho efektoru. <a href=\"https:\/\/medsbase.com\/cs\/igf-1-lr3\/\">IGF-1 LR3<\/a> obch\u00e1z\u00ed tento krok a p\u016fsob\u00ed p\u0159\u00edmo na receptor IGF-1. V\u00fdzkum vyu\u017e\u00edvaj\u00edc\u00ed HGH studuje celou osu GH\/IGF-1 v\u010detn\u011b indukce IGF-1 zprost\u0159edkovan\u00e9 j\u00e1try; v\u00fdzkum vyu\u017e\u00edvaj\u00edc\u00ed IGF-1 LR3 izoluje farmakologii receptoru IGF a p\u0159\u00edmou n\u00e1slednou anabolickou signalizaci Akt\/mTOR. Oba slou\u010deniny jsou \u010dasto pou\u017e\u00edv\u00e1ny v paraleln\u00edch v\u011btv\u00edch stejn\u00e9ho v\u00fdzkumn\u00e9ho designu k odd\u011blen\u00ed p\u0159\u00edm\u00fdch \u00fa\u010dink\u016f GH od \u00fa\u010dink\u016f zprost\u0159edkovan\u00fdch IGF-1.<\/p>\n<h3>Jak\u00e1 je typick\u00e1 v\u00fdzkumn\u00e1 d\u00e1vka HGH 191AA?<\/h3>\n<p>Publikovan\u00e9 rozsahy d\u00e1vek v preklinick\u00e9m v\u00fdzkumu jsou typicky 1\u20138 IU na aplikaci u hlodavc\u016f a prim\u00e1t\u016f, pod\u00e1van\u00e9 subkut\u00e1nn\u011b jednou denn\u011b nebo pulzn\u011b k napodoben\u00ed endogenn\u00edch sekre\u010dn\u00edch vzorc\u016f. 10 IU lahvi\u010dka rekonstituovan\u00e1 s 1,0 ml bakteriostatick\u00e9 vody poskytuje 10 IU\/ml \u2014 0,1 ml odpov\u00edd\u00e1 1 IU, 0,2 ml odpov\u00edd\u00e1 2 IU. Konverzn\u00ed faktor je p\u0159ibli\u017en\u011b 3 IU na mg rekombinantn\u00edho HGH 191AA (mezin\u00e1rodn\u00ed standard WHO).<\/p>\n<h3>Je HGH 191AA schv\u00e1len FDA?<\/h3>\n<p>Farmaceutick\u00fd rekombinantn\u00ed HGH 191AA (somatropin) je schv\u00e1len FDA pod mnoha obchodn\u00edmi n\u00e1zvy (Genotropin, Humatrope, Norditropin, Saizen, Omnitrope, Nutropin a dal\u0161\u00ed) pro specifick\u00e9 l\u00e9ka\u0159sk\u00e9 indikace v\u010detn\u011b d\u011btsk\u00e9ho deficitu r\u016fstov\u00e9ho hormonu, deficitu GH u dosp\u011bl\u00fdch, Turnerova syndromu, idiopatick\u00e9 n\u00edzk\u00e9 postavy, AIDS-asociovan\u00e9ho \u00fabytku hmotnosti a syndromu kr\u00e1tk\u00e9ho st\u0159eva \u2014 pouze na p\u0159edpis a pod dohledem endokrinologa. V\u00fdzkumn\u00fd HGH 191AA prod\u00e1van\u00fd zde je samostatn\u00fd produkt ur\u010den\u00fd pouze pro laboratorn\u00ed v\u00fdzkum a nen\u00ed <strong>ne<\/strong> schv\u00e1len FDA pro lidsk\u00e9 nebo veterin\u00e1rn\u00ed pou\u017eit\u00ed. Je to nejp\u0159\u00edsn\u011bji regulovan\u00fd peptid v mnoha jurisdikc\u00edch.<\/p>\n<h3>Jak by m\u011bl b\u00fdt HGH 191AA skladov\u00e1n?<\/h3>\n<p>Lyofilizovan\u00e9 lahvi\u010dky: chlazen\u00e9 p\u0159i 2\u20138 \u00b0C pro kr\u00e1tkodob\u00e9 pracovn\u00ed z\u00e1soby, nebo \u221220 \u00b0C pro dlouhodob\u00e9 skladov\u00e1n\u00ed neotev\u0159en\u00fdch lahvi\u010dek. Rekonstituovan\u00fd roztok: chlazen\u00fd p\u0159i 2\u20138 \u00b0C, pou\u017e\u00edvejte do 14 dn\u016f (krat\u0161\u00ed doba ne\u017e u typick\u00fdch mal\u00fdch peptid\u016f, proto\u017ee v\u011bt\u0161\u00ed \u010dty\u0159\u0161roubovicov\u00fd svazek je n\u00e1chyln\u011bj\u0161\u00ed k povrchov\u00e9 adsorpci a pomal\u00e9 deamidaci). Nefreezujte rekonstituovan\u00fd roztok \u2014 cykly mrazen\u00ed a rozmrazov\u00e1n\u00ed zp\u016fsobuj\u00ed agregaci a ztr\u00e1tu aktivity. V\u017edy chra\u0148te p\u0159ed p\u0159\u00edm\u00fdm sv\u011btlem.<\/p>\n<h3>Jak rekonstituovat HGH 191AA?<\/h3>\n<p>Postupujte podle v\u00fd\u0161e uveden\u00e9ho rekonstitu\u010dn\u00edho postupu. P\u0159idejte bakteriostatickou vodu po st\u011bn\u011b lahvi\u010dky (ne p\u0159\u00edmo na lyofilizovan\u00fd pr\u00e1\u0161ek), jemn\u011b prom\u00edchejte a nechte 5\u201310 minut pro \u00fapln\u00e9 rozpu\u0161t\u011bn\u00ed. Ne <strong>ne<\/strong> net\u0159epejte lahvi\u010dkou \u2014 prudk\u00e9 m\u00edch\u00e1n\u00ed m\u016f\u017ee naru\u0161it strukturu \u010dty\u0159\u0161roubovicov\u00e9ho svazku a sn\u00ed\u017eit biologickou aktivitu. Spr\u00e1vn\u011b rekonstituovan\u00fd roztok je \u010dir\u00fd a bezbarv\u00fd bez viditeln\u00fdch \u010d\u00e1stic.<\/p>\n<h3>Jak\u00e9 s\u00edly nab\u00edz\u00ed MedsBase?<\/h3>\n<p>MedsBase nab\u00edz\u00ed HGH 191AA v lyofilizovan\u00fdch lahvi\u010dk\u00e1ch o s\u00edle 10 IU, 15 IU, 24 IU, 36 IU a 40 IU. Ka\u017ed\u00e1 s\u00edla je dostupn\u00e1 v balen\u00ed po 10 nebo 20 lahvi\u010dk\u00e1ch. V\u0161echny lahvi\u010dky jsou dod\u00e1v\u00e1ny s \u010distotou \u226598 % HPLC a certifik\u00e1tem anal\u00fdzy na vy\u017e\u00e1d\u00e1n\u00ed.<\/p>\n<h3>Pro\u010d se HGH m\u011b\u0159\u00ed v IU m\u00edsto v mg?<\/h3>\n<p>Mezin\u00e1rodn\u00ed jednotky (IU) jsou standardn\u00edm m\u011b\u0159en\u00edm pro ozna\u010dov\u00e1n\u00ed biologick\u00e9 aktivity proteinov\u00fdch hormon\u016f, stanoven\u00e9 WHO International Standard. Pro rekombinantn\u00ed HGH 191AA je konverzn\u00ed faktor p\u0159ibli\u017en\u011b 3 IU na mg. Konvence ozna\u010dov\u00e1n\u00ed v IU je preferov\u00e1na, proto\u017ee p\u0159\u00edmo odkazuje na biologickou potenci sp\u00ed\u0161e ne\u017e na hmotnost, co\u017e je reprodukovateln\u011bj\u0161\u00ed nap\u0159\u00ed\u010d r\u016fzn\u00fdmi \u0161ar\u017eemi rekombinantn\u00ed produkce, kter\u00e9 se mohou m\u00edrn\u011b li\u0161it v glykosyla\u010dn\u00edm stavu, profilu deamidace a heterogenit\u011b stavu skl\u00e1d\u00e1n\u00ed. Ob\u011b jednotky IU i mg jsou platn\u00e9; IU je dominantn\u00ed jednotkou v klinick\u00e9 a v\u00fdzkumn\u00e9 literatu\u0159e.<\/p>\n<h3>Pro\u010d je specifikace \u010distoty 98 % a ne 99 %?<\/h3>\n<p>Rekombinantn\u00ed proteiny, jako je HGH, nemohou v\u017edy dos\u00e1hnout standardu HPLC \u010distoty \u226599 %, kter\u00fd je typick\u00fd pro mal\u00e9 syntetick\u00e9 peptidy, kv\u016fli inherentn\u00ed heterogenit\u011b jak\u00e9hokoli rekombinantn\u00edho expresn\u00edho syst\u00e9mu \u2014 men\u0161\u00ed varianty ve stavu skl\u00e1d\u00e1n\u00ed, deamida\u010dn\u00ed izoformy a dal\u0161\u00ed p\u0159\u00edbuzn\u00e9 druhy se objevuj\u00ed jako souvisej\u00edc\u00ed p\u00edky na HPLC, kter\u00e9 nejsou ne\u010distoty, ale izoformy c\u00edlov\u00e9ho proteinu. HPLC \u010distota \u226598 % je siln\u00e1 specifikace v\u00fdzkumn\u00e9 kvality pro rekombinantn\u00ed HGH 191AA, kter\u00e1 se nach\u00e1z\u00ed mezi 95 % b\u011b\u017en\u00fdmi pro v\u011bt\u0161\u00ed glykoproteiny, jako je <a href=\"https:\/\/medsbase.com\/cs\/follistatin-344\/\">Follistatin 344<\/a> a 99 % b\u011b\u017en\u00fdmi pro mal\u00e9 syntetick\u00e9 peptidy.<\/p>\n<h3>Zp\u016fsobuje HGH 191AA vedlej\u0161\u00ed \u00fa\u010dinky ve v\u00fdzkumu?<\/h3>\n<p>Hlavn\u00ed c\u00edlov\u00e9 \u00fa\u010dinky HGH ve v\u00fdzkumn\u00fdch modelech jsou anabolick\u00e9 a metabolick\u00e9: zv\u00fd\u0161en\u00e9 hladiny IGF-1, zv\u00fd\u0161en\u00e1 netukov\u00e1 t\u011blesn\u00e1 hmota, sn\u00ed\u017een\u00e1 adipozita, p\u0159echodn\u00e1 inzulinov\u00e1 rezistence, retence sod\u00edku a vody a zv\u00fd\u0161en\u00e9 mitogenn\u00ed signalizace. P\u0159i suprafyziologick\u00fdch expozic\u00edch zahrnuj\u00ed nec\u00edlov\u00e9 \u00fa\u010dinky p\u0159\u00edznaky karp\u00e1ln\u00edho tunelu u prim\u00e1t\u016f, dysregulaci gluk\u00f3zy a (p\u0159i chronick\u00e9 expozici) p\u0159er\u016fst\u00e1n\u00ed kloub\u016f a m\u011bkk\u00fdch tk\u00e1n\u00ed. Velmi p\u0159\u00edsn\u00fd regula\u010dn\u00ed r\u00e1mec kolem HGH pro lidsk\u00e9 pou\u017eit\u00ed odr\u00e1\u017e\u00ed tato c\u00edlen\u00e1 rizika p\u0159i nefyziologick\u00fdch d\u00e1vk\u00e1ch.<\/p>\n<h3>Jak\u00fd je polo\u010das HGH 191AA?<\/h3>\n<p>V preklinick\u00e9m v\u00fdzkumu m\u00e1 rekombinantn\u00ed HGH plazmatick\u00fd polo\u010das p\u0159ibli\u017en\u011b 3\u20135 hodin po subkut\u00e1nn\u00ed aplikaci. Relativn\u011b kr\u00e1tk\u00fd polo\u010das odr\u00e1\u017e\u00ed ren\u00e1ln\u00ed filtraci (protein o velikosti 22 kDa je na hranici glomerul\u00e1rn\u00ed filtra\u010dn\u00ed hranice) a proteolytickou clearance. Tk\u00e1\u0148ov\u00fd polo\u010das je del\u0161\u00ed, proto\u017ee HGH v\u00e1zan\u00fd na GHR p\u0159etrv\u00e1v\u00e1 na bun\u011b\u010dn\u00e9m povrchu po ur\u010ditou dobu p\u0159ed internalizac\u00ed. Pro v\u00fdzkumn\u00e9 protokoly vy\u017eaduj\u00edc\u00ed trvalou expozici by bylo nutn\u00e9 opakovan\u00e9 denn\u00ed d\u00e1vkov\u00e1n\u00ed nebo specializovan\u00e9 dlouhodob\u011b p\u016fsob\u00edc\u00ed formulace; standardn\u00ed rekombinantn\u00ed forma 191AA neposkytuje v\u00edcedenn\u00ed expozici z jedn\u00e9 injekce.<\/p>\n<h3>Jak dlouho trv\u00e1, ne\u017e se projev\u00ed \u00fa\u010dinky HGH 191AA v preklinick\u00e9m v\u00fdzkumu?<\/h3>\n<p>Akutn\u00ed \u00fa\u010dinky na fosforylaci JAK2\/STAT5 a bezprost\u0159edn\u00ed transkrip\u010dn\u00ed program citliv\u00fd na GH jsou detekovateln\u00e9 b\u011bhem n\u011bkolika hodin po pod\u00e1n\u00ed. Jatern\u00ed indukce IGF-1 vrchol\u00ed do 24 hodin. \u00da\u010dinky na t\u011blesn\u00e9 slo\u017een\u00ed (netukov\u00e1 hmota, tukov\u00e1 hmota) se obvykle st\u00e1vaj\u00ed statisticky v\u00fdznamn\u00fdmi po 2\u20134 t\u00fddnech pravideln\u00e9ho d\u00e1vkov\u00e1n\u00ed u hlodavc\u016f a d\u00e1le se zvy\u0161uj\u00ed po 8\u201312 t\u00fddnech kontinu\u00e1ln\u00edho pod\u00e1v\u00e1n\u00ed.<\/p>\n<h3>Mohu si objednat HGH 191AA pro mezin\u00e1rodn\u00ed p\u0159epravu?<\/h3>\n<p>Ano, pokud to m\u00edstn\u00ed p\u0159edpisy umo\u017e\u0148uj\u00ed. MedsBase zas\u00edl\u00e1 HGH 191AA po cel\u00e9m sv\u011bt\u011b z na\u0161eho specializovan\u00e9ho odd\u011blen\u00ed pro p\u0159epravu peptid\u016f. Objedn\u00e1vky obsahuj\u00edc\u00ed pouze peptidy se kvalifikuj\u00ed pro na\u0161i samostatnou slu\u017ebu p\u0159epravy peptid\u016f. V\u0161echny objedn\u00e1vky jsou odes\u00edl\u00e1ny v teplotn\u011b kontrolovan\u00e9m balen\u00ed s pln\u00fdm sledov\u00e1n\u00edm a jsou pokryty na\u0161\u00edm <a href=\"https:\/\/medsbase.com\/cs\/medsbase-re-shipment-assurance-policy\/\">Z\u00e1rukou op\u011btovn\u00e9ho odesl\u00e1n\u00ed<\/a>. Vezm\u011bte pros\u00edm na v\u011bdom\u00ed, \u017ee HGH je v mnoha jurisdikc\u00edch nejp\u0159\u00edsn\u011bji regulovan\u00fd peptid \u2014 p\u0159ed objedn\u00e1n\u00edm ov\u011b\u0159te, zda m\u00edstn\u00ed z\u00e1kony umo\u017e\u0148uj\u00ed po\u0159\u00edzen\u00ed pouze pro v\u00fdzkumn\u00e9 \u00fa\u010dely ve va\u0161\u00ed c\u00edlov\u00e9 zemi.<\/p>\n<p><!-- medsbase-related-alts-v1 --><\/p>\n<h2>Dal\u0161\u00ed peptidy pro v\u00fdzkum r\u016fstov\u00e9 osy, uvol\u0148ov\u00e1n\u00ed GH a anabolismu.<\/h2>\n<ul>\n<li><a href=\"\/cs\/sermorelin\/\"><strong>Sermorelin<\/strong><\/a> \u2014 analog GHRH(1-29) \u2014 stimuluje endogenn\u00ed uvol\u0148ov\u00e1n\u00ed GH<\/li>\n<li><a href=\"\/cs\/cjc-1295-with-dac\/\"><strong>CJC-1295 with DAC<\/strong><\/a> \u2014 dlouhodob\u011b p\u016fsob\u00edc\u00ed analog GHRH \u2014 kanonick\u00fd v\u00fdzkum GHRH s dlouh\u00fdm polo\u010dasem<\/li>\n<li><a href=\"\/cs\/ipamorelin\/\"><strong>Ipamorelin<\/strong><\/a> \u2014 selektivn\u00ed sekretagog r\u016fstov\u00e9ho hormonu \u2014 \u010dist\u00fd pulz GH bez kortizolu\/prolaktinu<\/li>\n<li><a href=\"\/cs\/igf-1-lr3\/\"><strong>IGF-1 LR3<\/strong><\/a> \u2014 Dlouho-argininov\u00fd rekombinantn\u00ed analog IGF-1 \u2014 obch\u00e1z\u00ed krok s r\u016fstov\u00fdm hormonem<\/li>\n<li><a href=\"\/cs\/ghrp-6\/\"><strong>GHRP-6<\/strong><\/a> \u2014 Prvn\u00ed generace hexapeptidov\u00e9ho GHS \u2014 v\u00fdzkum uvol\u0148ov\u00e1n\u00ed r\u016fstov\u00e9ho hormonu p\u0159es ghrelinovou osu<\/li>\n<\/ul>\n<p><!-- medsbase-peptide-guide-cta --><\/p>\n<h2>Dal\u0161\u00ed \u010dten\u00ed<\/h2>\n<div style=\"background: #f4f8fb; border-left: 4px solid #2c7cb0; padding: 18px 22px; margin: 18px 0; border-radius: 4px;\">\n<p style=\"margin: 0 0 8px 0;\"><strong>\ud83d\udcd6 Prozkoumejte osu r\u016fstov\u00e9ho hormonu<\/strong><\/p>\n<p style=\"margin: 0;\">Prohl\u00e9dn\u011bte si celou <a href=\"https:\/\/medsbase.com\/cs\/peptides\/\"><strong>katalog v\u00fdzkumn\u00fdch peptid\u016f<\/strong><\/a>, se souvisej\u00edc\u00edmi slou\u010deninami osy GH v\u010detn\u011b <a href=\"https:\/\/medsbase.com\/cs\/sermorelin\/\">Sermorelin<\/a> a <a href=\"https:\/\/medsbase.com\/cs\/cjc-1295-with-dac\/\">CJC-1295 with DAC<\/a> pro v\u00fdzkum endogenn\u00edch pulz\u016f, <a href=\"https:\/\/medsbase.com\/cs\/ipamorelin\/\">Ipamorelin<\/a> pro selektivn\u00ed v\u00fdzkum GHS a <a href=\"https:\/\/medsbase.com\/cs\/igf-1-lr3\/\">IGF-1 LR3<\/a> pro doln\u00ed \u010d\u00e1st IGF osy.<\/p>\n<\/div>\n<p><!-- pep-seo-v1 --><\/p>","protected":false},"excerpt":{"rendered":"<p>\u2705 Rekombinantn\u00ed lidsk\u00fd r\u016fstov\u00fd hormon o 191 aminokyselin\u00e1ch (somatropin)<br \/>\n\u2705 P\u016fvodn\u00ed lidsk\u00e1 sekvence \u2014 modern\u00ed farmaceutick\u00e1 kvalita<br \/>\n\u2705 P\u0159\u00edm\u00fd agonista receptoru GH (~22 kDa)<br \/>\n\u2705 Standardn\u00ed p\u0159epo\u010det ~3 IU na mg<br \/>\n\u2705 \u010cistota \u226598% HPLC, certifik\u00e1t anal\u00fdzy na vy\u017e\u00e1d\u00e1n\u00ed<\/p>\n<p><strong>HGH 191AA<\/strong> je rekombinantn\u00ed protein.<\/p>","protected":false},"featured_media":70958,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[5426],"product_tag":[6288,5441],"class_list":{"0":"post-70770","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-peptides","7":"product_tag-hgh","8":"product_tag-peptide","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-variable","15":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product\/70770","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/comments?post=70770"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media\/70958"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media?parent=70770"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_brand?post=70770"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_cat?post=70770"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_tag?post=70770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}