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- Title
Prader-Willi phenotype caused by paternal deficiency for the HBII-85 C/D box small nucleolar RNA cluster.
- Authors
Sahoo, Trilochan; del Gaudio, Daniela; German, Jennifer R; Shinawi, Marwan; Peters, Sarika U; Person, Richard E; Garnica, Adolfo; Cheung, Sau Wai; Beaudet, Arthur L
- Abstract
Prader-Willi syndrome (PWS) is caused by deficiency for one or more paternally expressed imprinted transcripts within chromosome 15q11-q13, including SNURF-SNRPN and multiple small nucleolar RNAs (snoRNAs). Balanced chromosomal translocations that preserve expression of SNURF-SNRPN and centromeric genes but separate the snoRNA HBII-85 cluster from its promoter cause PWS. A microdeletion of the HBII-85 snoRNAs in a child with PWS provides, in combination with previous data, effectively conclusive evidence that deficiency of HBII-85 snoRNAs causes the key characteristics of the PWS phenotype, although some atypical features suggest that other genes in the region may make more subtle phenotypic contributions.
- Publication
Nature genetics, 2008, Vol 40, Issue 6, p719
- ISSN
1546-1718
- Publication type
Journal Article
- DOI
10.1038/ng.158