MYCN haploinsufficiency is associated with reduced brain size and intestinal atresias in Feingold syndrome |
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Authors: | van Bokhoven Hans Celli Jacopo van Reeuwijk Jeroen Rinne Tuula Glaudemans Bob van Beusekom Ellen Rieu Paul Newbury-Ecob Ruth A Chiang Chin Brunner Han G |
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Affiliation: | Department of Human Genetics, Radboud University Nijmegen Medical Center, Box 9101, 6500 HB, Nijmegen, The Netherlands. H.vanBokhoven@antrg.umcn.nl |
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Abstract: | Feingold syndrome is characterized by variable combinations of esophageal and duodenal atresias, microcephaly, learning disability, syndactyly and cardiac defect. We show here that heterozygous mutations in the gene MYCN are present in Feingold syndrome. All mutations are predicted to disrupt both the full-length protein and a new shortened MYCN isoform, suggesting that multiple aspects of early embryogenesis and postnatal brain growth in humans are tightly regulated by MYCN dosage. |
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