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Xlr3b is a new imprinted candidate for X-linked parent-of-origin effects on cognitive function in mice

Davies, William ORCID:, Isles, Anthony Roger ORCID:, Smith, Rachel, Karunadasa, Delicia, Burrmann, Doreen, Humby, Trevor ORCID:, Ojarikre, Obah, Biggin, Carol, Skuse, David, Burgoyne, Paul S. and Wilkinson, Lawrence Stephen ORCID: 2005. Xlr3b is a new imprinted candidate for X-linked parent-of-origin effects on cognitive function in mice. Nature Genetics 37 (6) , pp. 625-629. 10.1038/ng1577

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Imprinted genes show differential expression between maternal and paternal alleles as a consequence of epigenetic modification that can result in 'parent-of-origin' effects on phenotypic traits. There is increasing evidence from mouse and human studies that imprinted genes may influence behavior and cognitive functioning. Previous work in girls with Turner syndrome (45,XO) has suggested that there are X-linked parent-of-origin effects on brain development and cognitive functioning, although the interpretation of these data in terms of imprinted gene effects has been questioned. We used a 39,XO mouse model to examine the influence of the parental origin of the X chromosome on cognitive behaviors and expression of X-linked genes in brain. Our findings confirm the existence of X-linked imprinted effects on cognitive processes and identify a new maternally expressed imprinted gene candidate on the X chromosome, Xlr3b, which may be of importance in mediating the behavioral effects.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: R Medicine > R Medicine (General)
Publisher: Nature Publishing Group
ISSN: 1061-4036
Last Modified: 28 Sep 2023 12:29

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