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  • Title: The role of ace gene polymorphism in the development of angioedema secondary to angiotensin converting enzyme inhibitors and angiotensin II receptor blockers.
    Author: Gulec M, Caliskaner Z, Tunca Y, Ozturk S, Bozoglu E, Gul D, Erel F, Kartal O, Karaayvaz M.
    Journal: Allergol Immunopathol (Madr); 2008; 36(3):134-40. PubMed ID: 18680700.
    Abstract:
    BACKGROUND: Angiotensin Converting Enzyme inhibitors (ACEi) may cause angioedema, with an incidence of 0.1 % to 1 %, which may be life-threatening. ACEi induce angioedema by increasing the levels of bradykinin. Angiotensin II receptor blockers (ATRB), have a pharmacological profile similar to ACEi. The polymorphism of the ACE gene is based on the presence or absence of a 287-bp element on intron 16 on chromosome 17. The plasma level of ACE is related to gene polymorphism. ACE level in genotype DD is double that in genotype II. OBJECTIVE: The aim of this study was to investigate whether the relationship between ACE gene polymorphism and ACEi induced angioedema is present or not. METHODS: ACE gene polymorphism was investigated in patients with angioedema due to the use of ACEi or ATRB (n:32, group 1), in patients receiving ACEi or ATRB without angioedema (n:46, group 2), and healthy controls (n:96, group 3). RESULTS: ID polymorphism was the most frequent genotype in all groups, without any significant difference among the groups (p:0.868). ACE gene polymorphism was not related with the drugs used (ACEi or ATRB), localisation of angioedema, and female sex, in group 1. CONCLUSION: Our results showed that ACE gene polymorphism has no effect on ACEi or ATRB induced angioedema.
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