An unexpected recurrence of Angelman syndrome suggestive of maternal germ-line mosaicism of del(15)(q11q13) in a Finnish family.

Abstract:

:Angelman syndrome is a neuro-developmental disorder caused by genetic abnormalities affecting the maternal gene expression in the chromosome region 15q11-q13. In a study group of 45 Finnish Angelman patients, a recurrence of a del(15)(q11q13) was detected in one family. The mother's chromosomes 15 were structurally normal, whereas the patients and their unaffected brother shared an identical maternally derived haplotype outside the deletion region. These findings are suggestive of maternal germ-line mosaicism of del(15)(q11q13).

journal_name

Hum Genet

journal_title

Human genetics

authors

Kokkonen H,Leisti J

doi

10.1007/s004390000336

keywords:

subject

Has Abstract

pub_date

2000-07-01 00:00:00

pages

83-5

issue

1

eissn

0340-6717

issn

1432-1203

journal_volume

107

pub_type

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