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Type: Journal article
Title: Mutations in the X-linked cyclin-dependent kinase-like 5 (CDKL5/STK9) gene are associated with severe neurodevelopmental retardation
Author: Tao, J.
Van Esch, H.
Hagedorn-Greiwe, M.
Hoffmann, K.
Moser, B.
Raynaud, M.
Sperner, J.
Fryns, J.
Schwinger, E.
Gecz, J.
Ropers, H.
Kalscheuer, V.
Citation: American Journal of Human Genetics, 2004; 75(6):1149-1154
Publisher: Univ Chicago Press
Issue Date: 2004
ISSN: 0002-9297
Abstract: Recently, we showed that truncation of the X-linked cyclin-dependent kinase-like 5 (CDKL5/STK9) gene caused mental retardation and severe neurological symptoms in two female patients. Here, we report that de novo missense mutations in CDKL5 are associated with a severe phenotype of early-onset infantile spasms and clinical features that overlap those of other neurodevelopmental disorders, such as Rett syndrome and Angelman syndrome. The mutations are located within the protein kinase domain and affect highly conserved amino acids; this strongly suggests that impaired CDKL5 catalytic activity plays an important role in the pathogenesis of this neurodevelopmental disorder. In view of the overlapping phenotypic spectrum of CDKL5 and MECP2 mutations, it is tempting to speculate that these two genes play a role in a common pathogenic process.
Keywords: Chromosomes, Human, X
Spasms, Infantile
Heredodegenerative Disorders, Nervous System
DNA-Binding Proteins
Chromosomal Proteins, Non-Histone
Repressor Proteins
Chromatography, High Pressure Liquid
Sequence Alignment
Amino Acid Sequence
Base Sequence
Mutation, Missense
Molecular Sequence Data
Methyl-CpG-Binding Protein 2
Protein Serine-Threonine Kinases
DOI: 10.1086/426460
Appears in Collections:Aurora harvest 5
Paediatrics publications

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