22q11.2 microdeletions in adults with familial tetralogy of Fallot.
作者信息
Hokanson J S, Pierpont E, Hirsch B, Moller J H
机构信息
Children's Hospital of Illinois and University of Illinois College of Medicine at Peoria, USA.
出版信息
Genet Med. 2001 Jan-Feb;3(1):61-4. doi: 10.1097/00125817-200101000-00013.
PURPOSE
To determine the incidence of 22q11.2 microdeletions in the adult survivors of correction of tetralogy of Fallot who have familial congenital heart disease.
METHODS
Patients who had survived a correction of tetralogy of Fallot between 1954 and 1974 and had affected family members were identified during a study of these long-term survivors. Fluorescence in situ hybridization analysis was performed using both the N 25 (Oncor) and TUPLE1(VYSIS) probes, mapped to 22q11.2.
RESULTS
One of 18 (5.6%) patients had a microdeletion within 22q11.2, including both N25 and TUPLE1.
CONCLUSION
22q11.2 microdeletions involving TUPLE1 and/or N25 are present in a minority of adults with familial tetralogy of Fallot.
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