The Effect of Factor XIII V34L Polymorphism in Obstructive Sleep Apnea Patients

Year 2009, Volume: 16 Issue: 3, 163 - 168, 01.06.2009

Nadir Koçak Filiz Özen Taha Bekçi

Abstract

Aim: In the Obstructive Sleep Apnea Syndrome (OSAS), the organism is exposed to hypoxic effects. Chronic hypoxia has thrombotic, vasoactive and inflammatory effects on cardiovascular system. This triggers the processes progressing to cardiovascular disease. While the pathological effects to which the patients are exposed are the same, marked differences are observed between patients in the progression of OSAS. Individual protective factors are thought to be effective in the development of these differences. In some studies, it was reported that the Val34Leu polymorphism of Factor XIII, which is also known as fibrin-stabilizing factor, might have a protective effect against cardiovascular diseases. In the light of these studies, we aimed to investigate whether this polymorphism has any effects on the development of the differences in the progression of the OSAS patients. Materials and Methods: The patient group was selected from patients admitted to the our Sleep Laboratory. Total 119 of subjects, 44 OSAS patients, 32 OSAS patients with cardio vascular diseases (CVD) and 43 controls were enrolled in the study. The control group consisted of healthy volunteers who had no symptoms of OSAS and scored 0 on the Epworth sleepiness scale. In order to determine gene mutations, DNA isolation was performed from peripheral blood samples. Data were analyzed by SPSS 15.0 package program. Results: While mean weight and BMI were significantly different, no significant differences were found between patient and control groups in terms of FXIII Val34Leu allele distributions. Key words: Obstructive Sleep Apnea, Polymorphism, Mutation

Keywords

Obstructive Sleep Apnea, Polymorphism, Mutation

Obstrüktif Uyku Apneli Hastalarda Faktör XIII V34L Polimorfizminin Etkisi

Abstract

Amaç: Obstrüktif uyku apne sendromunda (OUAS) organizma hipoksik etkilere maruz kalmaktadır. Kronik hipoksi kardiyovasküler sistem üzerinde trombotik, vazoaktif ve inflamatuvar etkilere sahiptir. Bu da kardiyovasküler hastalık geşimine yol açansüreçleritetiklemektedir. Aynı patolojik etkilere maruz kalmalarına rağmen OUAS'nun progresyonunda hastalar arasında belirgin farklar gözlemlenmektedir. Bireysel koruyucu faktörlerin bu farklılıkların oluşmasında etkili olduğu sanılmaktadır. Bazı çalışmalarda fibrin stabilize edici faktör olarak ta bilinen faktör XIII'ün Val34Leu polimorfizminin kardiyovasküler hastalıklara karşı koruyucu bir etki gösterdiği rapor edilmiştir. Bu çalışmalar ışığında bu polimorfizmin OUAS hastalarının progresyonundaki farklılıkların oluşmasında herhangi bir etkiye sahip olup olmadığını araştırmayı amaçladık. Materyal ve Metod: Hasta grubunu uyku laboratuvarımıza başvuran hastalardan seçtik. 44 normal OUAS hastası, 32 kardiyovasküler hastalıklı (KVH) OUAS hastası ve 43 kontrol grubu olmak üzere toplam 119 kişi çalışmamıza dahil edildi. Kontrol grubu OUAS semptomları göstermeyen Epworth uykusuzluk skala değeri 0 olan sağlıklı gönüllülerden oluşturuldu. Gen mutasyonlarını belirlemek için periferik kan örneklerinden DNA izolasyonu yapıldı. Veriler SPSS 15.0 istatistik programı kullanılarak analiz edildi. Sonuçlar: Hasta ve kontrol grupları arasında kilo ve BMI açısından önemli farklar bulunurken FXIII Val34Leu allel dağılımları açısından önemli bir farklılık bulunamamıştır. Anahtar kelimeler: Obstrüktif Uyku Apne, Polimorfizm, Mutasyon

Keywords

Obstrüktif Uyku Apne, Polimorfizm, Mutasyon

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