Microarray application in prenatal diagnosis

20 apr , 2012 News dal Mondo

A position statement from the cytogenetics working group of the Italian Society of Human Genetics (SIGU).

Il position statement redatto dal GdL di Citogenetica della SIGU circa l’utilizzo dei microarray in diagnosi prenatale è stato accettato per la pubblicazione sulla rivista Ultrasound Obstet Gynecol.

Autori:

Novelli A, Grati FR, Ballarati L, Bernardini L, Bizzoco D, Camurri L, Casalone R, Cardarelli L, Cavalli P, Ciccone R, Clementi M, Dalprà L, Gentile M, Gelli G,Grammatico P, Malacarne M, Nardone AM, Pecile V, Simoni G, Zuffardi O, Giardino D.

Abstract:

A precise guideline establishing chromosomal microarray analysis (CMA) applications and platforms in the prenatal setting does not exist. The controversial question is whether CMA technologies can or should soon replace standard karyotyping in prenatal diagnostic practice. A review of the recent literature and survey of the knowledge and experience of all members of the Italian Society of Human Genetics (SIGU) Committee were carried out in order to propose recommendations for the use of CMA in prenatal testing. The analysis of datasets reported in the medical literature showed a considerable 6.4% incidence of pathogenic copy number variations (CNVs) in the group of pregnancies with sonographically detected fetal abnormalities and normal karyotype. The reported CNVs are likely to have a relevant role in terms of …continua a leggere!

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