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Their major role in modulating neuroinflammation underscores their significance in these conditions. Engrailed\u20102 knockout mice (<jats:italic>En2<\/jats:italic><jats:sup><jats:italic>\u2212\/\u2212<\/jats:italic><\/jats:sup>) are considered a valuable model for autism spectrum disorder (ASD) due to their distinctive neuroanatomical and behavioral traits. Given the higher prevalence of ASD in males, our objective was to investigate glial and interneuron alterations in the cerebellum of <jats:italic>En2<\/jats:italic><jats:sup><jats:italic>\u2212\/\u2212<\/jats:italic><\/jats:sup> mice compared with wild\u2010type (WT) mice in both sexes. We employed immunohistochemical analysis to assess cell density for all cell types studied and analyzed the area (A) and shape factor (SF) of microglia cell bodies. Our findings revealed the following: (a) In WT mice, the density of microglia and astrocytes was higher in females than in males, while interneuron density was lower in females. Notably, in <jats:italic>En2<\/jats:italic>\u2010mutant mice, these differences between males and females were not present. (b) In both male and female <jats:italic>En2<\/jats:italic><jats:sup><jats:italic>\u2212\/\u2212<\/jats:italic><\/jats:sup> mice, astrocyte density exceeded that in WT mice, with microglia density being greater only in females. (c) In WT females, microglia cell bodies exhibited a larger area and a lower shape factor compared to WT males. Remarkably, the <jats:italic>En2<\/jats:italic> mutation did not appear to influence these sex\u2010related differences. (d) In both male and female <jats:italic>En2<\/jats:italic><jats:sup><jats:italic>\u2212\/\u2212<\/jats:italic><\/jats:sup> mice, we observed a consistent pattern: microglia cell bodies displayed a larger area and a smaller shape factor. Given the ongoing debate surrounding the roles of glia and sex\u2010related factors in ASD, our observations provide valuable insights into understanding how an ASD\u2010associated gene <jats:italic>En2<\/jats:italic> affects specific cell types in the cerebellum.<\/jats:p>","DOI":"10.1111\/joa.13982","type":"journal-article","created":{"date-parts":[[2023,11,27]],"date-time":"2023-11-27T23:01:30Z","timestamp":1701126090000},"page":"667-675","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Glial cells are affected more than interneurons by the loss of <i>Engrailed 2<\/i> gene in the mouse cerebellum"],"prefix":"10.1111","volume":"244","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5341-6470","authenticated-orcid":false,"given":"Giulia","family":"Lazzarini","sequence":"first","affiliation":[{"name":"Department of Veterinary Sciences University of Pisa  Pisa 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