{"id":3411,"date":"2026-09-10T22:14:35","date_gmt":"2026-09-10T21:14:35","guid":{"rendered":"https:\/\/wheat-quail-856400.hostingersite.com\/?p=3411"},"modified":"2026-10-27T10:28:07","modified_gmt":"2026-10-27T09:28:07","slug":"naivacore-naive-stem-cell-medium-hensm-guide","status":"publish","type":"post","link":"https:\/\/seamlessbio.de\/de\/naivacore-naive-stem-cell-medium-hensm-guide\/","title":{"rendered":"NaivaCore \u2013 was ist naive Stammzellkultur und warum z\u00e4hlt das Medium?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3411\" class=\"elementor elementor-3411\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3972a1c6 e-flex e-con-boxed e-con e-parent\" data-id=\"3972a1c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23d8ce90 elementor-widget elementor-widget-text-editor\" data-id=\"23d8ce90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<!--\nWORDPRESS BLOG POST\nSlug: naivacore-naive-stem-cell-medium-hensm-guide\nSEO Title: NaivaCore \u2014 What Is Na\u00efve Stem Cell Culture and Why Does Medium Matter? | SeamlessBio\nMeta Description: What is na\u00efve pluripotency, why HENSM-based media like NaivaCore produce more primitive iPSCs, and when na\u00efve vs primed iPSC culture is the right choice for your research.\nFocus Keyword: naive stem cell medium HENSM iPSC culture\nAdditional Keywords: NaivaCore naive iPSC medium, HENSM medium naive pluripotency, naive vs primed iPSC culture, naive human embryonic stem cell medium, naive pluripotency EU\nCategory: Stem Cell Culture \u00b7 iPSC\n-->\n<style>\n.sb-bp{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,sans-serif;max-width:780px;margin:0 auto;padding:0 0 60px;color:#202020;line-height:1.75}\n.sb-bp .lede{font-size:18px;font-weight:500;color:#3a4a50;border-left:4px solid #18b7b2;padding-left:20px;margin:0 0 32px;line-height:1.65}\n.sb-bp h2{font-size:24px;font-weight:800;margin:44px 0 14px;color:#111;padding-bottom:10px;border-bottom:2px solid #e2eceb}\n.sb-bp h3{font-size:18px;font-weight:700;margin:28px 0 10px;color:#18b7b2}\n.sb-bp p{margin:0 0 18px}\n.sb-bp ul,.sb-bp ol{margin:0 0 18px;padding-left:24px}\n.sb-bp li{margin-bottom:8px}\n.sb-bp table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0 28px;display:block;overflow-x:auto}\n.sb-bp th{background:#18b7b2;color:#fff;text-align:left;padding:10px 14px;font-weight:700;white-space:nowrap}\n.sb-bp td{padding:10px 14px;border-bottom:1px solid #e2eceb;vertical-align:top}\n.sb-bp tr:last-child td{border-bottom:none}\n.sb-bp td:first-child{font-weight:600;color:#111}\n.sb-bp a{color:#18b7b2;font-weight:600;text-decoration:none}\n.sb-bp strong{color:#111}\n.sb-bp .qa{background:#f1faf9;border-left:4px solid #18b7b2;border-radius:0 12px 12px 0;padding:18px 22px;margin:24px 0}\n.sb-bp .qa .q{font-weight:700;font-size:15px;color:#111;margin:0 0 6px}\n.sb-bp .qa .a{font-size:14px;margin:0}\n.sb-bp .box{background:#f1faf9;border-left:4px solid #18b7b2;border-radius:0 12px 12px 0;padding:18px 22px;margin:24px 0}\n.sb-bp .cta{background:linear-gradient(135deg,#e4f6f5,#f4fbfb);border:1px solid rgba(24,183,178,.2);border-radius:16px;padding:28px;margin-top:44px;text-align:center}\n.sb-bp .cta h3{color:#111;margin:0 0 8px;font-size:20px}\n.sb-bp .cta p{color:#5b6b71;margin:0 0 16px}\n.sb-bp .cta-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}\n.sb-bp .btn{display:inline-block;background:#18b7b2;color:#fff!important;padding:10px 22px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none!important}\n.sb-bp .btn-o{display:inline-block;border:2px solid #18b7b2;color:#18b7b2!important;padding:8px 22px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none!important}\n<\/style>\n<div class=\"sb-bp\">\n<p class=\"lede\">Die meisten iPSC-Labore arbeiten mit primed pluripotenten Stammzellen, ohne zu wissen, dass es einen alternativen Zustand gibt \u2013 die naive Pluripotenz \u2013 mit grundlegend anderen Eigenschaften f\u00fcr Differenzierung, Chim\u00e4rismus und Krankheitsmodelle. NaivaCore ist das einzige in der EU erh\u00e4ltliche HENSM-basierte Medium f\u00fcr naive iPSC-Kulturen. Dieser Beitrag erkl\u00e4rt, wann naive Kultur wichtig ist und was sie erfordert.<\/p>\n<!-- BUY BOX (SEO: links to buy pages) -->\n<div class=\"sb-buy-box\" style=\"border:1px solid #cfe9e6;background:#f4fbfa;border-radius:12px;padding:22px 26px;margin:28px auto;max-width:1200px;box-sizing:border-box\">\n<h2 style=\"font-size:22px;line-height:1.3;margin:0 0 6px\">Serumfreie Zellkulturmedien ab EU-Lager kaufen<\/h2>\n<p style=\"margin:0 0 14px\">Angebot oder kostenloses Testmuster anfragen \u2013 keine Mindestbestellmenge, Angebot innerhalb von 48 Stunden.<\/p>\n<ul style=\"margin:0;padding-left:20px;columns:2 300px;column-gap:32px\">\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/produkt\/simplacex-serumfreies-medium-hek293t\/\">SimplaceX \u2013 serumfreies HEK293T-Medium<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/produkt\/simplacecdx-chemisch-definiertes-medium-hek293t\/\">SimplaceCDX \u2013 chemisch definiertes HEK293T-Medium<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/produkt\/naivacore-naives-ipsc-medium-hensm\/\">NaivaCore \u2013 naives iPSC-Medium (HENSM)<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/serumfreies-medium-cho\/\">Serumfreie CHO-Zellkulturmedien<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/produkt\/cellimax-metacho-cd-cho-basalmedium\/\">CelliMax\u00ae MetaCHO &amp; Versa \u2013 CHO-Basalmedien<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/produkt\/cellimax-cho-fga-feedmedium\/\">CelliMax\u00ae CHO-Feeds \u2013 FGa, FGa plus, FGb<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/serumfreies-msc-medium-gmp\/\">Serumfreies MSC-Medium<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/serumfreies-ipsc-medium-gmp\/\">Serumfreies iPSC- &amp; hESC-Medium<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/anwendungen\/organoid-3d-cell-culture\/\">OrganoMedium \u2013 Medium f\u00fcr die Organoid-Expansion<\/a><\/li>\n<li style=\"margin:0 0 6px\"><a href=\"https:\/\/seamlessbio.de\/de\/massgeschneiderte-zellkulturmedien\/\">Ma\u00dfgeschneiderte Zellkulturmedien \u2013 individuelle Formulierung<\/a><\/li>\n<\/ul>\n<p style=\"margin:14px 0 0\"><a href=\"https:\/\/seamlessbio.de\/de\/request-quote\/\" style=\"font-weight:600\">Angebot anfordern \u2192<\/a><\/p>\n<\/div>\n<!-- \/BUY BOX -->\n\n\n<h2>Zwei Zust\u00e4nde der Pluripotenz \u2013 primed vs. naiv<\/h2>\n<p>Humane pluripotente Stammzellen existieren in zwei unterschiedlichen Zust\u00e4nden, die sich in Entwicklungsstadium, Transkriptionsprogramm, Stoffwechselprofil und Differenzierungskapazit\u00e4t unterscheiden:<\/p>\n<table>\n  <thead><tr><th>Eigenschaft<\/th><th>Naive iPSCs<\/th><th>Primed iPSCs (Standard)<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>Entsprechendes Entwicklungsstadium<\/td><td>Pr\u00e4implantations-Epiblast (Tag 4\u20136)<\/td><td>Postimplantations-Epiblast (Tag 7\u201314)<\/td><\/tr>\n    <tr><td>X-Chromosom-Status (weiblich)<\/td><td>Beide X aktiv (XaXa)<\/td><td>Ein X inaktiviert (XaXi)<\/td><\/tr>\n    <tr><td>Mitochondrialer Stoffwechsel<\/td><td>Oxidative Phosphorylierung dominiert<\/td><td>Glykolyse dominiert<\/td><\/tr>\n    <tr><td>Chim\u00e4rismuspotenzial<\/td><td>\u2705 Tr\u00e4gt zu interspezifischen Chim\u00e4ren (Maus) bei<\/td><td>\u274c Kann nicht zu Chim\u00e4ren beitragen<\/td><\/tr>\n    <tr><td>L\u00f6schung der Pr\u00e4gung<\/td><td>Genomweiter epigenetischer Reset<\/td><td>Pr\u00e4gung bleibt erhalten<\/td><\/tr>\n    <tr><td>Differenzierungseffizienz<\/td><td>H\u00f6her f\u00fcr einige Linien (Trophoblast, PGC)<\/td><td>Standard f\u00fcr die meisten Protokolle<\/td><\/tr>\n    <tr><td>Standard-Kulturmedium<\/td><td>HENSM-basiert (NaivaCore)<\/td><td>G\u00e4ngige kommerzielle Primed-Medien<\/td><\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>Was ist HENSM?<\/h2>\n<p>HENSM ist eine Medienformulierung f\u00fcr naive Pluripotenz, die 2021 in der begutachteten Fachliteratur ver\u00f6ffentlicht wurde. Sie ist die aktuelle Referenzformulierung zur Umwandlung primed humaner iPSCs in naive Pluripotenz und zur Erhaltung naiver humaner PSCs in stabiler, expandierbarer Kultur. HENSM enth\u00e4lt spezifische Inhibitorkombinationen (u. a. LIF, bFGF und PKCi), die das naive Transkriptionsprogramm ohne Feederzellen aufrechterhalten.<\/p>\n<p>NaivaCore ist die HENSM-basierte Formulierung von SeamlessBio \u2013 die exklusive EU-Quelle f\u00fcr dieses Medium. Sie wurde entwickelt, um naive iPSC-Forschung in europ\u00e4ischen Laboren ohne US-Import, Sonderformulierung oder aufwendige akademische Materialtransfervereinbarungen zu erm\u00f6glichen.<\/p>\n\n<h2>Wann naive iPSC-Kultur die richtige Wahl ist<\/h2>\n<ul>\n  <li><strong>Trophoblast- und Plazentaforschung:<\/strong> Naive iPSCs k\u00f6nnen sich zu Trophoblast-Stammzellen (TSCs) differenzieren \u2013 primed iPSCs nicht. F\u00fcr Plazentabiologie, Pr\u00e4eklampsie-Modelle und fr\u00fche Embryonalforschung sind naive Zellen unverzichtbar<\/li>\n  <li><strong>X-Chromosom-Biologie:<\/strong> Weibliche primed iPSCs haben eine zuf\u00e4llige X-Inaktivierung \u2013 X-chromosomale Erkrankungen lassen sich damit nur untersuchen, wenn Klone mit dem passenden inaktivierten Allel ausgew\u00e4hlt werden. In weiblichen naiven iPSCs sind beide X-Chromosomen aktiv \u2013 alle Zellen exprimieren beide Allele. Unverzichtbar f\u00fcr die Untersuchung X-chromosomaler Erkrankungen wie Rett-Syndrom, MECP2-Duplikation oder Fragiles-X-Syndrom ohne Verzerrung durch Klonselektion<\/li>\n  <li><strong>Differenzierung zu primordialen Keimzellen (PGC):<\/strong> Naive iPSCs erreichen eine deutlich h\u00f6here Effizienz bei der Induktion PGC-\u00e4hnlicher Zellen (PGCLC) \u2013 relevant f\u00fcr Fertilit\u00e4tsforschung und Studien zur Gametogenese<\/li>\n  <li><strong>Epigenomstudien:<\/strong> In naiven Zellen ist die DNA-Methylierung global gel\u00f6scht \u2013 sie bieten Zugang zum hypomethylierten epigenetischen Zustand der fr\u00fchen Embryogenese, der in primed Zellen nicht zug\u00e4nglich ist<\/li>\n  <li><strong>Interspezies-Chim\u00e4rismus:<\/strong> F\u00fcr die Forschung an interspezifischen Chim\u00e4ren (humane Zellen in Mausembryonen) sind naive Zellen erforderlich \u2013 nur naive humane iPSCs k\u00f6nnen zu Mauschim\u00e4ren beitragen<\/li>\n<\/ul>\n\n<h2>Wann primed iPSC-Kultur (Standard) ausreicht<\/h2>\n<p>F\u00fcr die meisten iPSC-Anwendungen \u2013 neuronale, kardiale und hepatische Differenzierung, Wirkstoffscreening \u2013 sind Standard-primed-iPSCs in g\u00e4ngigen kommerziellen Primed-Medien die richtige Wahl. Die ver\u00f6ffentlichten Differenzierungsprotokolle sind f\u00fcr primed Zellen validiert; ihre \u00dcbertragung auf naive Zellen erfordert erhebliche Protokollentwicklung. Wechseln Sie nur dann zur naiven Kultur, wenn Ihre Forschungsfrage die besonderen Eigenschaften der naiven Pluripotenz erfordert.<\/p>\n\n<h2>NaivaCore \u2013 wichtige technische Daten<\/h2>\n<ul>\n  <li><strong>Format:<\/strong> gebrauchsfertiges Fl\u00fcssigmedium, serumfrei, xenofrei<\/li>\n  <li><strong>Kompatible Zelllinien:<\/strong> humane iPSCs und ESCs im naiven Zustand; auch zur naiven Konversion von primed iPSCs<\/li>\n  <li><strong>Feeder-Bedarf:<\/strong> Feeder-freies Protokoll verf\u00fcgbar \u2013 erfordert eine spezielle Beschichtung (Laminin-511 oder Vitronektin empfohlen)<\/li>\n  <li><strong>Passagieren:<\/strong> Accutase oder 0,5 mM EDTA \u2013 keine rekombinanten Trypsin-Ersatzenzyme, die naive iPSC-Kolonien sch\u00e4digen<\/li>\n  <li><strong>Verf\u00fcgbarkeit:<\/strong> exklusiver EU-Vertrieb \u00fcber SeamlessBio \u2013 direkte Lieferung, keine Importverz\u00f6gerungen<\/li>\n<\/ul>\n<div class=\"cta\">\n<h3>NaivaCore \u2013 HENSM-basiertes naives iPSC-Medium, exklusiv in der EU<\/h3>\n<p>SeamlessBio ist die exklusive EU-Quelle f\u00fcr NaivaCore \u2013 das HENSM-basierte Medium f\u00fcr naive Stammzellen. Direkte Lieferung, kein Import, vollst\u00e4ndige technische Dokumentation.<\/p>\n<div class=\"cta-btns\"><a href=\"https:\/\/seamlessbio.de\/de\/naivacore-naive-stammzellmedium\/\" class=\"btn-o\">NaivaCore-Medium \u2192<\/a>\n<a href=\"https:\/\/seamlessbio.de\/de\/stammzellenforschung\/\" class=\"btn-o\">Stammzellforschung \u2192<\/a>\n<a href=\"https:\/\/seamlessbio.de\/de\/what-is-msc-mesenchymal-stem-cell\/\" class=\"btn-o\">Was ist eine MSC? \u2192<\/a>\n<a href=\"https:\/\/seamlessbio.de\/de\/kontakt\/\" class=\"btn-o\">Muster anfordern \u2192<\/a><\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Most iPSC labs work with primed pluripotent stem cells without realising there is an alternative state \u2014 na\u00efve pluripotency \u2014 that has fundamentally different properties for differentiation, chimerism, and disease modelling. NaivaCore is the only HENSM-based medium for na\u00efve iPSC culture available in the EU. This post explains when na\u00efve culture matters and what it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3411","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NaivaCore \u2014 What Is Na\u00efve Stem Cell Culture and Why Does Medium Matter?<\/title>\n<meta name=\"description\" content=\"What is na\u00efve pluripotency, why HENSM-based media like NaivaCore produce more primitive iPSCs, and when na\u00efve vs primed iPSC culture is the right choice for your research.\" \/>\n<meta name=\"robots\" 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