---
title: "Scalable human iPSC-neuron Tauopathy models link Tau fibrillization to synaptic dysfunction"
id: "biorxiv-0-a-scalable-human-neuron-model-of-alzheimer-s-disease-relevant-tauopathy-reveals"
canonical_url: "https://medichelpline.com/clinical-feed/biorxiv-0-a-scalable-human-neuron-model-of-alzheimer-s-disease-relevant-tauopathy-reveals"
content_type: "clinical_feed_article"
specialty: "Neurology"
source_name: "bioRxiv (Biomedical Preprints)"
source_url: "https://www.biorxiv.org/content/10.64898/2026.09.07.749799v1?rss=1"
published_at: "2026-09-12T12:00:00.000Z"
evidence_level: "Verified Feed"
license: "CC-BY-NC-4.0 / Informational Use"
---
# Scalable human iPSC-neuron Tauopathy models link Tau fibrillization to synaptic dysfunction
## Provenance & Clinical Metadata
- **Canonical URL:** https://medichelpline.com/clinical-feed/biorxiv-0-a-scalable-human-neuron-model-of-alzheimer-s-disease-relevant-tauopathy-reveals
- **Specialty:** [Neurology](https://medichelpline.com/clinical-feed/neurology.md)
- **Primary Source:** bioRxiv (Biomedical Preprints)
- **Source URL:** [Original Journal Publication](https://www.biorxiv.org/content/10.64898/2026.09.07.749799v1?rss=1)
- **Published At:** 2026-09-12T12:00:00.000Z
- **Evidence Rating:** Verified Feed
## Executive GIST (TL;DR)
- The study describes two scalable human induced pluripotent stem cell (iPSC)-derived neuron models designed to study **Tau** pathology relevant to Alzheimer’s disease and other tauopathies. - Model 1 is an **endogenous Tau seeding model** in which neurons are exposed to pre-formed Tau fragments that assemble into structures consistent with paired helical filaments (PHFs). - Model 2 is a **Tau-0N3R overexpression seeding model** intended to accelerate Tau pathology development in human neurons. - Both models are reported to recapitulate hallmark features of **tauopathy**, including disruptions linked to synaptic integrity and neuronal communication, which are implicated in cognitive decline. - The work emphasizes the need for reliable, scalable human neuron models to dissect tauopathy pathogenesis and to support therapeutic discovery efforts. - The abstract in the provided source is truncated before listing specific hallmarks, readouts, mechanistic findings, experimental methods, quantitative results, and validation details; those specifics were not reported in the supplied text. - Because the source text is incomplete, exact experimental conditions, assay types, timeline of pathology, measures of synaptic dysfunction, and any therapeutic interventions or validations are not available from the provided content. - The models’ potential applications include mechanistic studies of **Tau fibrillization**, screening for modulators of aggregation or synaptic protection, and scaling for higher-throughput discovery, but concrete examples and data were not reported in the excerpt. - Readers should consult the full preprint for full methods, results, and interpretation; the supplied source indicates this is a preprint that has not been peer reviewed.
## Clinical Analysis & Structured Key Points
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Jasvinder K Atwal 1 Genentech; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Jasvinder%2BK%2BAtwal%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Atwal%20JK&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AJasvinder%2BK%2BAtwal%2B) * [ORCID record for Jasvinder K Atwal](http://orcid.org/0000-0001-5995-478X "Open in new tab") * For correspondence: jatwal@gene.com Xiwei Shan 1 Genentech; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Xiwei%2BShan%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Shan%20X&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AXiwei%2BShan%2B) Qiao Zhang 1 Genentech; 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* [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Claire%2BG%2BJeong%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Jeong%20CG&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AClaire%2BG%2BJeong%2B) Joanna Lipka 1 Genentech; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Joanna%2BLipka%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Lipka%20J&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AJoanna%2BLipka%2B) * [ORCID record for Joanna Lipka](http://orcid.org/0009-0000-6116-8892 "Open in new tab") * [Abstract](https://www.biorxiv.org/content/10.64898/2026.09.07.749799v1)[](https://www.biorxiv.org/panels_ajax_tab/biorxiv_tab_art/node:5776104/1) * [Info/History](https://www.biorxiv.org/content/10.64898/2026.09.07.749799v1.article-info)[](https://www.biorxiv.org/panels_ajax_tab/biorxiv_tab_info/node:5776104/1) * [Metrics](https://www.biorxiv.org/content/10.64898/2026.09.07.749799v1.article-metrics)[](https://www.biorxiv.org/panels_ajax_tab/article_tab_metrics/node:5776104/1) * [ Preview PDF](https://www.biorxiv.org/content/10.64898/2026.09.07.749799v1.full.pdf+html)[](https://www.biorxiv.org/panels_ajax_tab/biorxiv_tab_pdf/node:5776104/1) ![Loading](https://www.biorxiv.org/sites/all/modules/contrib/panels_ajax_tab/images/loading.gif) ## Abstract Tauopathies, including Alzheimer's disease, are driven by pathological aggregation of hyperphosphorylated Tau, which disrupts synaptic integrity, impairs neuronal communication, and contributes to cognitive decline. To dissect tauopathy pathogenesis and enable therapeutic discovery, reliable and scalable human iPSC-neuron models are essential. Here, we developed two complementary iPSC-derived neuron models: an endogenous Tau seeding model, in which neurons are challenged with pre-formed Tau fragments that form paired helical filament (PHF)-consistent structures, and a Tau-0N3R overexpression seeding model to accelerate pathology. Both models recapitulate hallmark features of tauopathy, including
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