DNA deletion and its parental origin in Angelman syndrome patients
β Scribed by Hamabe, Jun-Ichi ;Kuroki, Yoshikazu ;Imaizumi, Kiyoshi ;Sugimoto, Tateo ;Fukushima, Yoshimitsu ;Yamaguchi, Atsuko ;Izumikawa, Yoshinori ;Niikawa, Norio
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 505 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0148-7299
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## Abstract We report on molecular studies in 7 patients with WolfβHirschhorn syndrome (WHC) not showing an obvious chromosome 4p deletion. Analysis of a set of polymorphic probes mapping in the 4p16.3 region showed the absence of paternal haplotypes in 5 cases, and maternal haplotypes in 2. These
## Abstract Angelman syndrome (AS) is a genetic disorder caused by a deficiency of __UBE3A__ imprinted gene expression from the maternal chromosome 15. In 10% of AS cases the genetic cause is a mutation affecting the maternal copy of the __UBE3A__ gene. In two large Spanish series of clinically str