The use of DHPLC (Denaturing High Performance Liquid Chromatography) in II level screening of the CFTR gene in Prenatal Diagnosis

OBJECTIVE: The aim of the study is to evaluate the role of Denaturing High Performance Liquid Chromatography (DHPLC) in the second level screening of the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene

Bibliographische Detailangaben
Veröffentlicht in:Journal of prenatal medicine. - 2007. - 4(2010), 3 vom: 30. Juli, Seite 45-8
1. Verfasser: Mesoraca, Alvaro (VerfasserIn)
Weitere Verfasser: Di Natale, Manuela, Cima, Antonella, Di Giacomo, Gianluca, Sarti, Monica, Barone, Maria Antonietta, Bizzoco, Domenico, Cignini, Pietro, Mobili, Luisa, Dʼemidio, Laura, Giorlandino, Claudio
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Journal of prenatal medicine
Schlagworte:Journal Article CFTR chromatography cystic fibrosis gene
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520 |a OBJECTIVE: The aim of the study is to evaluate the role of Denaturing High Performance Liquid Chromatography (DHPLC) in the second level screening of the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene 
520 |a METHODS: A 9-month prospective study, between June 2008 and March 2009 at Artemisia Fetal Medical Centre, included 3829 samples of amniotic fluid collected from women undergoing mid-trimester amniocentesis.The genetic diagnosis of CF was based on research of the main mutations of the CFTR gene on fetal DNA extracted from the amniocytes, (first level screening) using different commercial diagnostic systems. A second level screening using DHPLC, on the amniotic fluid and on a blood sample from the couple, was offered in case of fetuses heterozygous at first level screening 
520 |a RESULTS: Of 3829 fetuses, 134 were found to be positive, 129 heterozygous and 5 affected. Of the 129 couples, following appropriate genetic counselling, 53 requested a second level screening. Through the use of DHPLC, 44 couples were found to be negative, and in nine couples, nine rare mutations were identified 
520 |a CONCLUSIONS: The first level screening can be useful to evidence up to 75% of the CF mutations. The second level screening can identify a further 10% of mutant alleles. DHPLC was found to be a reliable and specific method for the rapid identification of the rare CFTR mutations which were not revealed in initial first level screening 
650 4 |a Journal Article 
650 4 |a CFTR 
650 4 |a chromatography 
650 4 |a cystic fibrosis 
650 4 |a gene 
700 1 |a Di Natale, Manuela  |e verfasserin  |4 aut 
700 1 |a Cima, Antonella  |e verfasserin  |4 aut 
700 1 |a Di Giacomo, Gianluca  |e verfasserin  |4 aut 
700 1 |a Sarti, Monica  |e verfasserin  |4 aut 
700 1 |a Barone, Maria Antonietta  |e verfasserin  |4 aut 
700 1 |a Bizzoco, Domenico  |e verfasserin  |4 aut 
700 1 |a Cignini, Pietro  |e verfasserin  |4 aut 
700 1 |a Mobili, Luisa  |e verfasserin  |4 aut 
700 1 |a Dʼemidio, Laura  |e verfasserin  |4 aut 
700 1 |a Giorlandino, Claudio  |e verfasserin  |4 aut 
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