Non-chromosome 15 marker chromosome in a Prader-Willi syndrome patient with uniparental disomy
β Scribed by MIZUHO ICHIKAWA; MAKI OKAJIMA; TAKAHITO WADA; YUMI GOKAN; HIROMI SHIMAKAGE; HIDEFUMI TONOKI; SHINJI SAITOH
- Book ID
- 108971088
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 63 KB
- Volume
- 48
- Category
- Article
- ISSN
- 1328-8067
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π SIMILAR VOLUMES
Prader-Willi syndrome (PWS) results from absence of the normally active paternally inherited genes on proximal 15q, due to del(15)(q11q13) or by maternal uniparental disomy (UPD) 15 in most cases. In addition to a higher frequency of hypopigmentation among deletion patients, minor phenotypic differe
## Abstract Angelman and PraderβWilli syndromes are clinically distinct neurobehavioral disorders most commonly resulting from large deletions of chromosome 15q11βq13. The deletions arise differentially during maternal or paternal gametogenesis, respectively. A subgroup of patients with either synd
We report on a boy with mosaicism for trisomy 15 and Prader-Willi syndrome (PWS) due to maternal isodisomy for chromosome 15. His phenotype is consistent with PWS and trisomy 15 mosaicism. Although our patient is unusual in having maternal isodisomy rather than the more common maternal heterodisomy,