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An investigation of NFXL1, a gene implicated in a study of specific language impairment / R. NUDEL in Journal of Neurodevelopmental Disorders, 8-1 (December 2016)
[article]
Titre : An investigation of NFXL1, a gene implicated in a study of specific language impairment Type de document : Texte imprimé et/ou numérique Auteurs : R. NUDEL, Auteur Article en page(s) : p.13 Langues : Anglais (eng) Mots-clés : Cerebellum Language disorder Nfxl1 Neurodevelopment Neurogenetics Specific language impairment Transcription factor Index. décimale : PER Périodiques Résumé : BACKGROUND: A recent study identified NFXL1 as a candidate gene for specific language impairment. The protein encoded by this gene is predicted to be a transcription factor based on domain similarities with NFX1, a repressor of HLA class II genes, which have themselves been implicated in specific language impairment. However, there is very little literature on the function of NFXL1. METHODS: This report describes a study of NFXL1 expression in several human tissues and an investigation of differential expression in several specific brain regions through quantitative PCR as well as a study of the protein's sub-cellular localization in HEK cells and SH-SY5Y cells through immunofluorescence. RESULTS: The NFXL1 transcript was found in all investigated tissues. In the brain, a high level of NFXL1 expression was found in the cerebellum. An analysis of the sub-cellular localization of the protein showed a cytoplasmic pattern in the investigated cells. CONCLUSIONS: The NFXL1 transcript was present in samples from different tissues; in the brain, a high expression level was found in a region implicated in some language-related pathologies. NFXL1 did not show nuclear localization, suggesting that, if it regulates transcription, certain conditions may be required for it to translocate to the nucleus. En ligne : http://dx.doi.org/10.1186/s11689-016-9146-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=348
in Journal of Neurodevelopmental Disorders > 8-1 (December 2016) . - p.13[article] An investigation of NFXL1, a gene implicated in a study of specific language impairment [Texte imprimé et/ou numérique] / R. NUDEL, Auteur . - p.13.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 8-1 (December 2016) . - p.13
Mots-clés : Cerebellum Language disorder Nfxl1 Neurodevelopment Neurogenetics Specific language impairment Transcription factor Index. décimale : PER Périodiques Résumé : BACKGROUND: A recent study identified NFXL1 as a candidate gene for specific language impairment. The protein encoded by this gene is predicted to be a transcription factor based on domain similarities with NFX1, a repressor of HLA class II genes, which have themselves been implicated in specific language impairment. However, there is very little literature on the function of NFXL1. METHODS: This report describes a study of NFXL1 expression in several human tissues and an investigation of differential expression in several specific brain regions through quantitative PCR as well as a study of the protein's sub-cellular localization in HEK cells and SH-SY5Y cells through immunofluorescence. RESULTS: The NFXL1 transcript was found in all investigated tissues. In the brain, a high level of NFXL1 expression was found in the cerebellum. An analysis of the sub-cellular localization of the protein showed a cytoplasmic pattern in the investigated cells. CONCLUSIONS: The NFXL1 transcript was present in samples from different tissues; in the brain, a high expression level was found in a region implicated in some language-related pathologies. NFXL1 did not show nuclear localization, suggesting that, if it regulates transcription, certain conditions may be required for it to translocate to the nucleus. En ligne : http://dx.doi.org/10.1186/s11689-016-9146-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=348 Behavioural Neuroscience and Child Psychopathology: Insights from Model Systems / David H. SKUSE in Journal of Child Psychology and Psychiatry, 41-1 (January 2000)
[article]
Titre : Behavioural Neuroscience and Child Psychopathology: Insights from Model Systems Type de document : Texte imprimé et/ou numérique Auteurs : David H. SKUSE, Auteur Année de publication : 2000 Article en page(s) : p.3-31 Langues : Anglais (eng) Mots-clés : Behavioural neuroscience neurogenetics model systems Drosophila melanogaster Caenorhabditis elegans laboratory mouse Index. décimale : PER Périodiques Résumé : We have just emerged from “the Decade of the Brain”, yet in so many ways it was the “Decade of the Genome”. What relevance does the remarkable advance in knowledge in genetics and neuroscience over that period have to our understanding of child psychopathology? When the complexity of the genetic systems involved in behavioural regulation of relatively simple organisms such as the nematode worm Caenorhabditis elegans or the fruitfly Drosophila melanogaster is considered, the possibility of comprehending the links from genes to behaviour in the developing child seems remote. Yet, the principles of investigation in model systems are not so different to those that should apply in humans. This review draws out the parallels, and introduces recent findings from behavioural studies of C. elegans, D. melanogaster, and the laboratory mouse, as well as humans, to illustrate the point. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125
in Journal of Child Psychology and Psychiatry > 41-1 (January 2000) . - p.3-31[article] Behavioural Neuroscience and Child Psychopathology: Insights from Model Systems [Texte imprimé et/ou numérique] / David H. SKUSE, Auteur . - 2000 . - p.3-31.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 41-1 (January 2000) . - p.3-31
Mots-clés : Behavioural neuroscience neurogenetics model systems Drosophila melanogaster Caenorhabditis elegans laboratory mouse Index. décimale : PER Périodiques Résumé : We have just emerged from “the Decade of the Brain”, yet in so many ways it was the “Decade of the Genome”. What relevance does the remarkable advance in knowledge in genetics and neuroscience over that period have to our understanding of child psychopathology? When the complexity of the genetic systems involved in behavioural regulation of relatively simple organisms such as the nematode worm Caenorhabditis elegans or the fruitfly Drosophila melanogaster is considered, the possibility of comprehending the links from genes to behaviour in the developing child seems remote. Yet, the principles of investigation in model systems are not so different to those that should apply in humans. This review draws out the parallels, and introduces recent findings from behavioural studies of C. elegans, D. melanogaster, and the laboratory mouse, as well as humans, to illustrate the point. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125 Brief Report: MECP2 Mutations in People Without Rett Syndrome / Bernhard SUTER in Journal of Autism and Developmental Disorders, 44-3 (March 2014)
[article]
Titre : Brief Report: MECP2 Mutations in People Without Rett Syndrome Type de document : Texte imprimé et/ou numérique Auteurs : Bernhard SUTER, Auteur ; Diane TREADWELL-DEERING, Auteur ; Huda Y. ZOGHBI, Auteur ; Daniel G. GLAZE, Auteur ; Jeffrey L. NEUL, Auteur Article en page(s) : p.703-711 Langues : Anglais (eng) Mots-clés : Rett syndrome Autism Neurodevelopmental disorders MECP2 Epigenetics Neurogenetics Index. décimale : PER Périodiques Résumé : Mutations in Methyl-CpG-Binding protein 2 (MECP2) are commonly associated with the neurodevelopmental disorder Rett syndrome (RTT). However, some people with RTT do not have mutations in MECP2, and interestingly there have been people identified with MECP2 mutations that do not have the clinical features of RTT. In this report we present four people with neurodevelopmental abnormalities and clear RTT-disease causing MECP2 mutation but lacking the characteristic clinical features of RTT. One patient’s symptoms suggest an extension of the known spectrum of MECP2 associated phenotypes to include global developmental delay with obsessive compulsive disorder and attention deficit hyperactivity disorder. These results reemphasize that RTT should remain a clinical diagnosis, based on the recent consensus criteria. En ligne : http://dx.doi.org/10.1007/s10803-013-1902-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=225
in Journal of Autism and Developmental Disorders > 44-3 (March 2014) . - p.703-711[article] Brief Report: MECP2 Mutations in People Without Rett Syndrome [Texte imprimé et/ou numérique] / Bernhard SUTER, Auteur ; Diane TREADWELL-DEERING, Auteur ; Huda Y. ZOGHBI, Auteur ; Daniel G. GLAZE, Auteur ; Jeffrey L. NEUL, Auteur . - p.703-711.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-3 (March 2014) . - p.703-711
Mots-clés : Rett syndrome Autism Neurodevelopmental disorders MECP2 Epigenetics Neurogenetics Index. décimale : PER Périodiques Résumé : Mutations in Methyl-CpG-Binding protein 2 (MECP2) are commonly associated with the neurodevelopmental disorder Rett syndrome (RTT). However, some people with RTT do not have mutations in MECP2, and interestingly there have been people identified with MECP2 mutations that do not have the clinical features of RTT. In this report we present four people with neurodevelopmental abnormalities and clear RTT-disease causing MECP2 mutation but lacking the characteristic clinical features of RTT. One patient’s symptoms suggest an extension of the known spectrum of MECP2 associated phenotypes to include global developmental delay with obsessive compulsive disorder and attention deficit hyperactivity disorder. These results reemphasize that RTT should remain a clinical diagnosis, based on the recent consensus criteria. En ligne : http://dx.doi.org/10.1007/s10803-013-1902-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=225