期刊
AMERICAN JOURNAL OF HUMAN GENETICS
卷 82, 期 5, 页码 1165-1170出版社
CELL PRESS
DOI: 10.1016/j.ajhg.2008.03.001
关键词
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We have identified and characterized two unrelated patients with prenatal onset of microcephaly, intrauterine growth retardation, feeding problems, developmental delay, and febrile seizures/epilepsy who both carry a de novo balanced translocation that truncates the DYRK1A gene at chromosome 21q22.2. DYRK1A belongs to the dual-specificity tyrosine phosphorylation-regulated kinase (DYRK) family, which is highly conserved throughout evolution. Given its localization in both the Down syndrome critical region and in the minimal region for partial monosomy 21, the gene has been studied intensively in animals and in humans, and DYRK1A has been proposed to be involved in the neurodevelopmental alterations associated with these syndromes. In the present study, we show that truncating mutations of DYRK1A result in a clinical phenotype including microcephaly.
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