Microdeletions in the human H19 DMR result in loss of IGF2 imprinting and Beckwith-Wiedemann syndrome.

Abstract:

:The overgrowth- and tumor-associated Beckwith-Wiedemann syndrome results from dysregulation of imprinted genes on chromosome 11p15.5. Here we show that inherited microdeletions in the H19 differentially methylated region (DMR) that abolish two CTCF target sites cause this disease. Maternal transmission of the deletions results in hypermethylation of the H19 DMR, biallelic IGF2 expression, H19 silencing and Beckwith-Wiedemann syndrome, indicative of loss of function of the IGF2-H19 imprinting control element.

journal_name

Nat Genet

journal_title

Nature genetics

authors

Sparago A,Cerrato F,Vernucci M,Ferrero GB,Silengo MC,Riccio A

doi

10.1038/ng1410

keywords:

subject

Has Abstract

pub_date

2004-09-01 00:00:00

pages

958-60

issue

9

eissn

1061-4036

issn

1546-1718

pii

ng1410

journal_volume

36

pub_type

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