{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T14:45:11Z","timestamp":1790952311600,"version":"4.1.0"},"reference-count":11,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,1,22]],"date-time":"2024-01-22T00:00:00Z","timestamp":1705881600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Histopathology"],"published-print":{"date-parts":[[2024,4]]},"abstract":"<jats:sec><jats:title>Aims<\/jats:title><jats:p>The SOX10 transcription factor is important for the maturation of oligodendrocytes involved in central nervous system (CNS) myelination. Currently, very little information exists about its expression and potential use in CNS tumour diagnoses. The aim of our study was to characterize the expression of SOX10 in a large cohort of CNS tumours and to evaluate its potential use as a biomarker.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We performed immunohistochemistry (IHC) for SOX10 and OLIG2 in a series of 683 cases of adult\u2010 and paediatric\u2010type CNS tumours from different subtypes. The nuclear immunostaining results for SOX10 and OLIG2 were scored as positive (\u226510% positive tumour cells) or negative.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>OLIG2 and SOX10 were positive in diffuse midline gliomas (DMG), H3\u2010mutant, and EZHIP\u2010overexpressed. However, in all DMG, <jats:italic>EGFR<\/jats:italic>\u2010mutant, SOX10 was constantly negative. In diffuse paediatric\u2010type high\u2010grade gliomas (HGG), all RTK1 cases were positive for both OLIG2 and SOX10. RTK2 cases were all negative for both OLIG2 and SOX10. <jats:italic>MYCN<\/jats:italic> cases variably expressed OLIG2 and were all immunonegative for SOX10. In glioblastoma, <jats:italic>IDH<\/jats:italic>\u2010wildtype, OLIG2 was mostly positive, but SOX10 was variably expressed, depending on the epigenetic subtype. All circumscribed astrocytic gliomas were positive for both OLIG2 and SOX10 except pleomorphic xanthoastrocytomas, astroblastomas, <jats:italic>MN1<\/jats:italic>\u2010altered, and subependymal giant cell astrocytomas. SOX10 was negative in ependymomas, meningiomas, pinealoblastomas, choroid plexus tumours, intracranial Ewing sarcomas, and embryonal tumours except neuroblastoma, FOXR2\u2010activated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>To conclude, SOX10 can be incorporated into the IHC panel routinely used by neuropathologists in the diagnostic algorithm of embryonal tumours and for the subtyping of paediatric and adult\u2010type HGG.<\/jats:p><\/jats:sec>","DOI":"10.1111\/his.15148","type":"journal-article","created":{"date-parts":[[2024,1,23]],"date-time":"2024-01-23T04:30:05Z","timestamp":1705984205000},"page":"893-899","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Utility of combining OLIG2 and SOX10 IHC expression in CNS tumours: promising biomarkers for subtyping paediatric\u2010 and adult\u2010type gliomas"],"prefix":"10.1111","volume":"84","author":[{"given":"Oumaima","family":"Aboubakr","sequence":"first","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"},{"name":"Department of Neurosurgery, GHU Paris\u2010Psychiatry and Neurosciences Sainte\u2010Anne Hospital  Paris France"},{"name":"Universit\u00e9 de Paris Cit\u00e9  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alice","family":"M\u00e9tais","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Paris Cit\u00e9  Paris France"},{"name":"Institute of Psychiatry and Neurosciences de Paris (IPNP), UMR S1266, INSERM, IMA\u2010BRAIN  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julien","family":"Maillard","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"},{"name":"Universit\u00e9 de Paris Cit\u00e9  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lauren","family":"Hasty","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enola","family":"Brigot","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charlotte","family":"Berthaud","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joelle","family":"Lacombe","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"No\u00e9mie","family":"Pucelle","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jade","family":"Raynal","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Romain","family":"Appay","sequence":"additional","affiliation":[{"name":"Department of Neuropathology Assistance Publique \u2013 H\u00f4pitaux de Marseille (AP\u2010HM)  Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pascale","family":"Varlet","sequence":"additional","affiliation":[{"name":"Department of Neuropathology, GHU Paris\u2010Neurosciences Sainte\u2010Anne Hospital  Paris 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