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Prenatal diagnosis of cystic fibrosis: an experience of 181 cases

  • Rossella Tomaiuolo , Paola Nardiello , Pasquale Martinelli , Lucia Sacchetti , Francesco Salvatore EMAIL logo and Giuseppe Castaldo
Published/Copyright: April 11, 2013
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Clinical Chemistry and Laboratory Medicine (CCLM)
From the journal Clinical Chemistry and Laboratory Medicine (CCLM) Volume 51 Issue 12

Abstract

Background: The demand for prenatal diagnosis (PD) of cystic fibrosis (CF) is increasing.

Methods: We performed pre-test multidisciplinary counselling for 192 couples at CF reproductive risk. In 11/192 (5.7%) cases PD was not performed mainly because counselling revealed a reproductive risk for atypical (mild) CF, while 181 PDs were performed in couples revealed at high risk for CF mainly because they already had a CF child (148/181, 81.8%) or had been identified through cascade screening (28/181, 15.5%).

Results: In 167/181 (92.3%) cases (including two dichorionic twin pregnancies), PD was performed on chorionic villi, and in 14 on amniocyte DNA. Only 1/181 PD was unsuccessful. In all other cases, single tandem repeat analysis excluded maternal contamination, and PD was made within 7 days of sampling. In total 116/180 (64.4%) PDs were made with dot-blot analysis; 40 (22.2%) required gene sequencing; in 4/180 cases we tested the gene for large rearrangements; in 23/180 (12.8%) cases linkage analysis was necessary because parental mutation(s) were unknown. Forty-two out of 180 (23.3%) PDs revealed an affected foetus. All couples but one interrupted pregnancy. The first twin PD revealed the absence (1 foetus) and the presence of one mutation (the other foetus); the second twin PD revealed one parental mutation (1 foetus) and both parental mutations (the other foetus); the couple planned selective interruption.

Conclusions: PD for CF should be performed in reference laboratories equipped for gene scanning and linkage analysis, with a multidisciplinary staff able to offer counselling to couples during all phases of PD.

Keywords: amniocentesis; CFTR ; CFTR-related disorders; chorionic villi; cystic fibrosis; prenatal diagnosis
Corresponding author: Francesco Salvatore, MD, PhD, CEINGE-Advanced Biotechnologies, Via Gaetano Salvatore 486, 80146, Naples, Italy, Phone: +39-081 746 4966, Fax: +39-081 746 3650, cell: +39-335 6069177, E-mail:

Grants from Regione Campania (DGRC 1901/09 and L. 548/93, 2007 and 2010) and from Ministero della Salute (Ricerca finalizzata, annualità 2008) are gratefully acknowledged. We are indebted to Jean Ann Gilder (Scientific Communication srl, Naples, Italy) for editing the text.

Conflict of interest statement

Authors’ conflict of interest disclosure: The authors stated that there are no conflicts of interest regarding the publication of this article.

Research funding: None declared.

Employment or leadership: None declared.

Honorarium: None declared.

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Received: 2012-12-19
Accepted: 2013-03-08
Published Online: 2013-04-11
Published in Print: 2013-12-01

©2013 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/cclm-2013-0200
Keywords for this article
amniocentesis; CFTR; CFTR-related disorders; chorionic villi; cystic fibrosis; prenatal diagnosis

Articles in the same Issue

  1. Letters to the Editor
  2. The addition of MESNA in vitro prolongs prothrombin time similar to N-acetyl cysteine
  3. Detection of unknown β-thalassemia cases from atypical HbA1c chromatograms
  4. Analytical study of a new turbidimetric assay for urinary neutrophil gelatinase-associated lipocalin (NGAL) determination
  5. The rare bipolar-contracted red cell significance and correlation with red cell volume
  6. Howell-Jolly body interference in reticulocyte counts
  7. PBMC expressed adiponectin mRNA is predictive of survival in patients with gastric cancer
  8. Comparison study of two commercially available methods for the determination of infliximab, adalimumab, etanercept and anti-drug antibody levels
  9. Development and validation of a rapid and reliable high-performance liquid chromatography method for methadone quantification in human plasma and saliva
  10. Reply to Ruiz-Argüello et al.: Comparison study of two commercially available methods for the determination of infliximab, adalimumab, etanercept and anti-drug antibody levels
  11. Still more discussion on the journal impact factor
  12. The order of draw, myth or science
  13. Masthead
  14. Masthead
  15. Editorial
  16. Multidisciplinarity and interdisciplinarity at work: the prenatal diagnosis
  17. Research Articles
  18. Prenatal diagnosis of inherited diseases: 20 years’ experience of an Italian Regional Reference Centre
  19. Prenatal diagnosis of haemoglobinopathies: our experience of 523 cases
  20. Prenatal diagnosis of cystic fibrosis: an experience of 181 cases
  21. Prenatal diagnosis of haemophilia: our experience of 44 cases
  22. Prenatal molecular diagnosis of inherited neuromuscular diseases: Duchenne/Becker muscular dystrophy, myotonic dystrophy type 1 and spinal muscular atrophy
  23. Editorials
  24. Journal impact factor: the debate continues
  25. Estimation of uncertainty in measurements in the clinical laboratory
  26. Review
  27. Searching for genes involved in hypertension development in special populations: children and pre-eclamptic women. Where are we standing now?
  28. Opinion Paper
  29. More discussion on journal impact factor
  30. General Clinical Chemistry and Laboratory Medicine
  31. Category-specific uncertainty modeling in clinical laboratory measurement processes
  32. The order of draw: myth or science?
  33. Planned variation in preanalytical conditions to evaluate biospecimen stability in the National Children’s Study (NCS)
  34. Longitudinal evaluation of thyroid autoimmunity and function in pregnant Korean women
  35. Evaluation of the N Latex free light chain assay in the diagnosis and monitoring of AL amyloidosis
  36. Identification of an important potential confound in CSF AD studies: aliquot volume
  37. Cancer Diagnostics
  38. Double heterozygosity in the BRCA1 and BRCA2 genes in Italian family
  39. Quantification of EGFR autoantibodies in the amplification phenomenon of HER2 in breast cancer
  40. Diabetes
  41. SAA1 genetic polymorphisms are associated with plasma glucose concentration in non-diabetic subjects
  42. Acknowledgment
  43. Acknowledgment
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