Screening for Alpha 1 antitrypsin deficiency in Tunisian subjects with obstructive lung disease: A feasibility report

Sabri Denden, Michele Zorzetto, Fethi Amri, Jalel Knani, Stefania Ottaviani, Roberta Scabini, Marina Gorrini, Ilaria Ferrarotti, Ilaria Campo, Jemni Ben Chibani, Amel Haj Khelil, Maurizio Luisetti

Research output: Contribution to journalArticlepeer-review

Abstract

Background. AATD is one of the most common inherited disorders in the World. However, it is generally accepted that AATD in North African populations is not a risk factor for lung and/or liver disease, based on a number of small studies. We therefore planned a screening study for detection of AATD in patients with OLD in a cohort of patients from Kairouan in central Tunisia. Methods: One hundred twenty patients with OLD (asthma, emphysema, COPD) were enrolled in the screening programme. Laboratory diagnosis for AATD was performed according to current diagnostic standards. Results. We found that 6/120 OLD patients carried an AAT deficient allele, 1 PI*MZ, 1 PI*MPlowel, 3 PI*MMmalton, 1 PI*MMwurzburg. Conclusion. this pilot study demonstrated that alleles related to deficiency of AAT are not absent in the Tunisian population, and that rare AATD variants prevailed over commonest PI*Z variant. These results would support a larger scale screening for AATD in Tunisia.

Original languageEnglish
Article number12
JournalOrphanet Journal of Rare Diseases
Volume4
Issue number1
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Medicine(all)
  • Genetics(clinical)
  • Pharmacology (medical)

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