Document Detail


Utility of microsatellite analysis in evaluation of pregnancies with placental mesenchymal dysplasia.
MedLine Citation:
PMID:  17994614     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To demonstrate a role for microsatellite analysis in the evaluation of prenatal cases with possible placental mesenchymal dysplasia (PMD). METHODS: We present a case report in which several molecular analyses of amniocytes and products of conception were used in combination with cytogenetic and ultrasound studies to evaluate a pregnancy with a clinical suspicion of PMD. A combination of Southern blotting analysis, methylation-sensitive polymerase chain reaction (PCR) and multiplex ligation-dependent probe amplification (MLPA) was utilized to evaluate methylation patterns in the Beckwith-Wiedemann syndrome (BWS) and Prader-Willi/Angelman syndrome (PW/AS) critical regions. A series of microsatellite markers were used to evaluate the possibility of an androgenetic cell line. RESULTS: Methylation studies performed for the BWS and PW/AS critical regions were abnormal and consistent with a molecular diagnosis of BWS and Angelman syndrome. Further studies of amniocytes using microsatellite markers identified androgenetic and biparental cell lines in approximately a 10:1 ratio, respectively. CONCLUSIONS: Prenatal ultrasonography, karyotyping and molecular genetic evaluation for BWS alone were not sufficient to identify the underlying etiology of PMD in this case. The androgenetic cell line was only identified after microsatellite analysis.
Authors:
Marie N Schuetzle; Timothy S Uphoff; Bonnie A Hatten; D Brian Dawson
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Prenatal diagnosis     Volume:  27     ISSN:  0197-3851     ISO Abbreviation:  Prenat. Diagn.     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2007-12-06     Completed Date:  2008-03-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8106540     Medline TA:  Prenat Diagn     Country:  England    
Other Details:
Languages:  eng     Pagination:  1238-44     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2007 John Wiley & Sons, Ltd.
Affiliation:
Molecular Genetics Laboratory, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA. schuetzle.marie@mayo.edu
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MeSH Terms
Descriptor/Qualifier:
Abortion, Therapeutic
Adult
Beckwith-Wiedemann Syndrome / diagnosis,  genetics*
Female
Humans
Microsatellite Repeats
Placenta Diseases / genetics*,  ultrasonography
Pregnancy
Prenatal Diagnosis / methods*
Ultrasonography, Prenatal
Uniparental Disomy / diagnosis*,  genetics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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