{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wang H"],"funding":["Yunnan Fundamental Research Projects","National Key R&amp;D Program of China","National Key R&D Program of China","National Natural Science Foundation of China"],"pagination":["RP94657"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11554307"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13"],"pubmed_abstract":["The spatial and temporal linear expression of <i>Hox</i> genes establishes a regional <i>Hox</i> code, which is crucial for the antero-posterior (A-P) patterning, segmentation, and neuronal circuit development of the hindbrain. RNF220, an E3 ubiquitin ligase, is widely involved in neural development via targeting of multiple substrates. Here, we found that the expression of <i>Hox</i> genes in the pons was markedly up-regulated at the late developmental stage (post-embryonic day E15.5) in <i>Rnf220<sup>-/-</sup></i> and <i>Rnf220<sup>+/-</sup></i> mouse embryos. Single-nucleus RNA sequencing (RNA-seq) analysis revealed different <i>Hox</i> de-repression profiles in different groups of neurons, including the pontine nuclei (PN). The <i>Hox</i> pattern was disrupted and the neural circuits were affected in the PN of <i>Rnf220<sup>+/-</sup></i> mice. We showed that this phenomenon was mediated by WDR5, a key component of the TrxG complex, which can be polyubiquitinated and degraded by RNF220. Intrauterine injection of WDR5 inhibitor (WDR5-IN-4) and genetic ablation of <i>Wdr5</i> in <i>Rnf220<sup>+/-</sup></i> mice largely recovered the de-repressed <i>Hox</i> expression pattern in the hindbrain. In P19 embryonal carcinoma cells, the retinoic acid-induced <i>Hox</i> expression was further stimulated by <i>Rnf220</i> knockdown, which can also be rescued by <i>Wdr5</i> knockdown. In short, our data suggest a new role of RNF220/WDR5 in <i>Hox</i> pattern maintenance and pons development in mice."],"journal":["eLife"],"pubmed_title":["The E3 ubiquitin ligase RNF220 maintains hindbrain <i>Hox</i> expression patterns through regulation of WDR5 stability."],"pmcid":["PMC11554307"],"funding_grant_id":["202101AU070137","202205AC160065","32170965","202301AS070059","202201AW070009","8240055266","202401AT070187","2021YFF0702700"],"pubmed_authors":["Liu X","Ma P","Liu Y","Sheng N","Mao B","Wang H","Ye Y","Zhang S","Yang C","Yu X"],"additional_accession":[]},"is_claimable":false,"name":"The E3 ubiquitin ligase RNF220 maintains hindbrain <i>Hox</i> expression patterns through regulation of WDR5 stability.","description":"The spatial and temporal linear expression of <i>Hox</i> genes establishes a regional <i>Hox</i> code, which is crucial for the antero-posterior (A-P) patterning, segmentation, and neuronal circuit development of the hindbrain. RNF220, an E3 ubiquitin ligase, is widely involved in neural development via targeting of multiple substrates. Here, we found that the expression of <i>Hox</i> genes in the pons was markedly up-regulated at the late developmental stage (post-embryonic day E15.5) in <i>Rnf220<sup>-/-</sup></i> and <i>Rnf220<sup>+/-</sup></i> mouse embryos. Single-nucleus RNA sequencing (RNA-seq) analysis revealed different <i>Hox</i> de-repression profiles in different groups of neurons, including the pontine nuclei (PN). The <i>Hox</i> pattern was disrupted and the neural circuits were affected in the PN of <i>Rnf220<sup>+/-</sup></i> mice. We showed that this phenomenon was mediated by WDR5, a key component of the TrxG complex, which can be polyubiquitinated and degraded by RNF220. Intrauterine injection of WDR5 inhibitor (WDR5-IN-4) and genetic ablation of <i>Wdr5</i> in <i>Rnf220<sup>+/-</sup></i> mice largely recovered the de-repressed <i>Hox</i> expression pattern in the hindbrain. In P19 embryonal carcinoma cells, the retinoic acid-induced <i>Hox</i> expression was further stimulated by <i>Rnf220</i> knockdown, which can also be rescued by <i>Wdr5</i> knockdown. In short, our data suggest a new role of RNF220/WDR5 in <i>Hox</i> pattern maintenance and pons development in mice.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Nov","modification":"2026-06-03T03:17:12.78Z","creation":"2025-04-06T22:45:47.137Z"},"accession":"S-EPMC11554307","cross_references":{"pubmed":["39526890"],"doi":["10.7554/eLife.94657"]}}