{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T10:39:50Z","timestamp":1787567990762,"version":"build-2736575974"},"reference-count":67,"publisher":"eLife Sciences Publications, Ltd","license":[{"start":{"date-parts":[[2024,12,13]],"date-time":"2024-12-13T00:00:00Z","timestamp":1734048000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,12,13]],"date-time":"2024-12-13T00:00:00Z","timestamp":1734048000000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,12,13]],"date-time":"2024-12-13T00:00:00Z","timestamp":1734048000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82371182"],"award-info":[{"award-number":["82371182"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100022963","name":"Key Research and Development Program of Zhejiang Province","doi-asserted-by":"crossref","award":["2023C03018"],"award-info":[{"award-number":["2023C03018"]}],"id":[{"id":"10.13039\/100022963","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Central Guiding Fund for Local Science and Technology Development Projects","award":["2023ZY1058"],"award-info":[{"award-number":["2023ZY1058"]}]}],"content-domain":{"domain":["elifesciences.org"],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p>\n                    Williams syndrome (WS; OMIM#194050) is a rare disorder, which is caused by the microdeletion of one copy of 25\u201327 genes, and WS patients display diverse neuronal deficits. Although remarkable progresses have been achieved, the mechanisms for these distinct deficits are still largely unknown. Here, we have shown that neural progenitor cells (NPCs) in WS forebrain organoids display abnormal proliferation and differentiation capabilities, and synapse formation. Genes with altered expression are related to neuronal development and neurogenesis. Single cell RNA-seq (scRNA-seq) data analysis revealed 13 clusters in healthy control and WS organoids. WS organoids show an aberrant generation of excitatory neurons. Mechanistically, the expression of transthyretin (TTR) are remarkably decreased in WS forebrain organoids. We have found that GTF2IRD1 encoded by one WS associated gene\n                    <jats:italic>GTF2IRD1<\/jats:italic>\n                    binds to\n                    <jats:italic>TTR<\/jats:italic>\n                    promoter regions and regulates the expression of\n                    <jats:italic>TTR<\/jats:italic>\n                    . In addition, exogenous TTR can activate ERK signaling and rescue neurogenic deficits of WS forebrain organoids.\n                    <jats:italic>Gtf2ird1<\/jats:italic>\n                    -deficient mice display similar neurodevelopmental deficits as observed in WS organoids. Collectively, our study reveals critical function of GTF2IRD1 in regulating neurodevelopment of WS forebrain organoids and mice through regulating TTR-ERK pathway.\n                  <\/jats:p>","DOI":"10.7554\/elife.98081","type":"journal-article","created":{"date-parts":[[2024,8,19]],"date-time":"2024-08-19T09:31:57Z","timestamp":1724059917000},"update-policy":"https:\/\/doi.org\/10.7554\/elife.98081","source":"Crossref","is-referenced-by-count":2,"title":["A human forebrain organoid model reveals the essential function of GTF2IRD1-TTR-ERK axis for the neurodevelopmental deficits of Williams syndrome"],"prefix":"10.7554","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1721-0859","authenticated-orcid":true,"given":"Xingsen","family":"Zhao","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/00a2xv884","id-type":"ROR","asserted-by":"publisher"}],"name":"The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, 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