{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T13:15:31Z","timestamp":1785417331887,"version":"3.56.0"},"posted":{"date-parts":[[2025,5,16]]},"group-title":"Developmental Biology","reference-count":50,"publisher":"openRxiv","license":[{"start":{"date-parts":[[2025,5,16]],"date-time":"2025-05-16T00:00:00Z","timestamp":1747353600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/publicdomain\/zero\/1.0\/"}],"funder":[{"award":["TR000244"],"award-info":[{"award-number":["TR000244"]}],"id":[{"id":"https:\/\/ror.org\/01cwqze88","id-type":"ROR","asserted-by":"publisher"}]},{"award":["TR000410"],"award-info":[{"award-number":["TR000410"]}],"id":[{"id":"https:\/\/ror.org\/01cwqze88","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2025,5,16]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:p>\n                  The human cerebellum is a specialized brain region that is involved in various neurological and psychiatric diseases but has been challenging to study\n                  <jats:italic>in vitro<\/jats:italic>\n                  due its complex neurodevelopment and cellular diversity. Despite the progress in generating neural tissues from human induced pluripotent stem cells (iPSCs), an organoid model that recapitulates the key features of cerebellar development has not been widely established. Here, we report the generation of a 60-day method for human cerebellar organoids (hCBOs) that is characterized by induction of rhombomere 1 (R1) cellular identity followed by derivation of neuronal and glial cell types of the cerebellum. In contrast to forebrain organoids with multiple neural rosettes and inside-out neuronal migration, hCBOs develop a SOX2+ cerebellar plate on the outermost surface of organoids with outside-in neuronal migration, which is a characteristic hallmark of cerebellar histogenesis. These hCBOs produced various other cell types including granule neurons, Purkinje cells, Golgi neurons, and deep cerebellar nuclei. By using a glial induction strategy, we generate Bergmann glial cells (BGCs) within the hCBOs that not only serve as scaffolds for granule cells migration but also enhance electrophysiological response of the hCBOs. Furthermore, by generating hCBOs from patients with Friedreich\u2019s ataxia (FRDA), we revealed abnormal disease-specific phenotypes that could be reversed by histone deacetylase (HDAC) inhibitors and gene editing by CRISPR-Cas9. Taken together, our advanced hCBO model provides new opportunities to investigate the molecular and cellular mechanisms of cerebellar ontogenesis and utilize patient-derived iPSCs for translational research.\n                <\/jats:p>","DOI":"10.1101\/2025.05.16.654315","type":"posted-content","created":{"date-parts":[[2025,5,17]],"date-time":"2025-05-17T04:10:11Z","timestamp":1747455011000},"source":"Crossref","is-referenced-by-count":1,"title":["Modeling Friedreich\u2019s ataxia with Bergmann glia-enriched human cerebellar organoids"],"prefix":"10.64898","author":[{"given":"Seungmi","family":"Ryu","sequence":"first","affiliation":[{"name":"National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason","family":"Inman","sequence":"additional","affiliation":[{"name":"National Center for Advancing Translational 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USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Justin","family":"Lack","sequence":"additional","affiliation":[{"name":"National Institute of Allergy and Infectious Diseases (NIAID), Collaborative Bioinformatics Resource (NCBR), National Institutes of Health (NIH), Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack","family":"Collins","sequence":"additional","affiliation":[{"name":"National Institute of Allergy and Infectious Diseases (NIAID), Collaborative Bioinformatics Resource (NCBR), National Institutes of Health (NIH), Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pinar","family":"Ormanoglu","sequence":"additional","affiliation":[{"name":"National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, 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