. * * window.aa needs to exist and be usable by ANY module's script, * however early it runs - main-nav's script, for one, runs near * the top of

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, well before the real search-insights.js * so the download * begins as early as before. Repeat calls share the same downloads, a * failed load is retried on the next call, and the versions / SRI * hashes live only here. * * Algolia Insights is unaffected: window.aa above is still created in * on every page and queues events until search-insights loads. * * window.loadAlgoliaLibs({ priority: 'high' }) (Oct 2026): used by the * /search page, where the first results wait on these libraries. Chrome * gives async scripts low priority, behind images and fonts; this asks * for high instead (fetchpriority). Only the first call for a library * sets its priority - later calls share that download. */ (function (win, doc) { var LIBS = [ { ready: function () { return !!win['algoliasearch/lite']; }, src: 'https://cdn.jsdelivr.net/npm/algoliasearch@5.52.1/dist/lite/builds/browser.umd.js', integrity: 'sha256-I2oYUIvhx1g6l4lTP+yoERbzLIHKzw4AKaBRQPwIeDY=' }, { ready: function () { return !!win.instantsearch; }, src: 'https://cdn.jsdelivr.net/npm/instantsearch.js@4.98.0/dist/instantsearch.production.min.js', integrity: 'sha256-ngmqZk4WBxUw257aMYZayyNBd983INngagv0jI6Ecfs=' } ]; function loadOne(lib, options) { if (lib.ready()) return Promise.resolve(); // One download per library, shared by every caller; reset on // failure so the next call retries just the library that failed. if (lib.pending) return lib.pending; lib.pending = new Promise(function (resolve, reject) { var script = doc.createElement('script'); script.src = lib.src; script.integrity = lib.integrity; script.crossOrigin = 'anonymous'; script.async = true; if (options && options.priority === 'high') script.setAttribute('fetchpriority', 'high'); script.onload = function () { lib.ready() ? resolve() : reject(new Error('Loaded but not available: ' + lib.src)); }; script.onerror = function () { script.remove(); reject(new Error('Could not load ' + lib.src)); }; doc.head.appendChild(script); }); lib.pending.catch(function () { lib.pending = null; }); return lib.pending; } win.loadAlgoliaLibs = function (options) { return Promise.all(LIBS.map(function (lib) { return loadOne(lib, options); })); }; })(window, document); . */ window.hsConversationsSettings = window.hsConversationsSettings || {}; window.hsConversationsSettings.loadImmediately = false; (function (win) { var EVENTS = ['pointerdown', 'keydown', 'touchstart', 'scroll', 'mousemove', 'wheel']; var done = false; /* 19 Oct 2026 - chat widget layout shift (field CLS). Phones fail Core Web Vitals on CLS (p75 ~0.2 site-wide in CrUX for months). Biggest cause found: HubSpot's chat container is fixed to the bottom-right corner and changes size - 100x96 launcher to 282x253 when the welcome message pops up (~5 s after load), and to full screen when a visitor opens the chat. Its top-left corner moves, so Chrome scores it as a layout shift: 0.088 per page view at 360x640 (0.044 at 412x850), on every page. Taps happen inside the chat iframe, so the parent page never sees the input and the open/close shifts count too. Fix: whenever the container's size changes it is made transparent for 400 ms (Chrome doesn't score shifts of invisible elements), then shown again at its new size. Tested on live io1001 at 360x640 in a cookie-less frame: the 0.088 shift no longer appears. The chat itself is unchanged - it just appears 0.4 s later at each resize. Relies on HubSpot's container id; if that changes this does nothing (no error). */ function cloakChatResizes() { var ID = 'hubspot-messages-iframe-container'; function watch(c) { if (c.getAttribute('data-bb-cloak')) return; c.setAttribute('data-bb-cloak', '1'); var last = c.offsetWidth + 'x' + c.offsetHeight, timer = null; new MutationObserver(function () { var size = c.offsetWidth + 'x' + c.offsetHeight; if (size === last) return; last = size; c.style.setProperty('opacity', '0', 'important'); clearTimeout(timer); timer = setTimeout(function () { c.style.removeProperty('opacity'); }, 400); }).observe(c, { attributes: true, attributeFilter: ['style', 'class'], subtree: true, childList: true }); } var found = document.getElementById(ID); if (found) { watch(found); return; } if (!document.body || !('MutationObserver' in win)) return; var mo = new MutationObserver(function () { var c = document.getElementById(ID); if (c) { mo.disconnect(); watch(c); } }); mo.observe(document.body, { childList: true }); setTimeout(function () { mo.disconnect(); }, 30000); } function loadWidget() { var api = win.HubSpotConversations; if (api && api.widget && api.widget.status && api.widget.status().loaded) return; try { cloakChatResizes(); } catch (e) {} if (api && api.widget) api.widget.load(); } function onFirstInteraction() { if (done) return; done = true; EVENTS.forEach(function (type) { win.removeEventListener(type, onFirstInteraction, { passive: true }); }); var start = function () { if (win.HubSpotConversations) loadWidget(); else (win.hsConversationsOnReady = win.hsConversationsOnReady || []).push(loadWidget); }; if ('requestIdleCallback' in win) win.requestIdleCallback(start, { timeout: 1500 }); else setTimeout(start, 200); } EVENTS.forEach(function (type) { win.addEventListener(type, onFirstInteraction, { passive: true }); }); })(window);

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Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency
Talk

Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency

Discover exclusive data presented at the International Society for Stem Cell Research (ISSCR) conference that shows the unparalleled level of consistency across the reprogramming of multiple human cell products.
Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency

Marius Wernig

Professor Departments of Pathology and Chemical and Systems Biology, Co-Director of the Institute for Stem Cell Biology and Regenerative Medicine

Stanford University

Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency

Mark Kotter

CEO and founder

91̽»¨

Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency
Discover exclusive data presented at the International Society for Stem Cell Research (ISSCR) conference that shows the unparalleled level of consistency across the reprogramming of multiple human cell products.
Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency

Marius Wernig

Professor Departments of Pathology and Chemical and Systems Biology, Co-Director of the Institute for Stem Cell Biology and Regenerative Medicine

Stanford University

Industrialising Cellular Reprogramming: Leveraging opti-ox Technology to Manufacture Human Cells with Unprecedented Consistency

Mark Kotter

CEO and founder

91̽»¨

Transcription factor-mediated cellular reprogramming has emerged as a groundbreaking paradigm in developmental biology, challenging traditional theories and opening new avenues for further scientific innovations. 

Prof Wernig discusses his pioneering work on cellular reprogramming, which opened up a new paradigm for cell identity, in which cellular states are driven by transcriptional events. His laboratory developed the first across germ layer reprogramming protocols highlighting the potential generalisability of this concept. His group demonstrated how transcription factor combinations are able to dictate cellular states and sub-cell identities. Based on this new paradigm, he developed new cellular models for translational research and outlined how reprogrammed cells could be used for therapeutic applications. 

Despite the benefits of cellular reprogramming, several challenges associated with conventional vector-based methods of transgene expression impact the efficiency, consistency and purity of the resulting cell populations, all of which need to be addressed for its potential to be truly realised in regenerative medicine. 
 
As Dr Kotter outlines, many of these challenges can be addressed by expressing reprogramming cassettes via genomic safe harbour (GSH) sites. GSH-mediated optimised inducible over-expression (opti-ox) enables highly controlled, consistent and scalable manufacturing of human iPSC-derived cells. Further, he will discuss how 91̽»¨ has generalised this paradigm to generate cells from all three germ layers. 

The integration of opti-ox technology ensures increased precision and inducible control of transcription factor expression, setting a new standard for consistency in cell manufacturing. This breakthrough enables the manufacture of trillions of human cells with unprecedented consistency offering the potential to transform the field of regenerative medicine and accelerate advancements in cell-based therapies.

V1

2023

ISSCR 2023

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