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Yıl:2001; Cilt: 11; Sayı: 3>> Özet
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Klinik Psikofarmakoloji Bülteni; 2001;11(3):174-182
Şizofrenik bozukluğu olan hastalarda serbest radikal metabolizması ve nonenzimatik antioksidan savunma sistemi elemanlarının incelenmesi
D Derin, A Yazıcı, Ş Erkoç
akırköy Ruh Sağlıuğı ve Hastalıkları Hastanesi
Amaç: Bu çalışmada şizofrenik bozukluğu olan hastalarda, sağlıklı kontrollere göre serbest radikal metabolizması ve nonenzimatik antioksidan savunma sistemi elemanlarında değişikliklerin araştırılması amaçlanmıştır.

Yöntem: Bakırköy Ruh ve Sinir Hastalıkları hastanesinde yatarak tedavi görmekte olan, DSM-IV tanı ölçütlerine göre şizofreni tanısı konmuş ve en az iki yıllık hastalık öyküsü olan 48 hastanın, serum malondialdehit (MDA), serum C ve E vitamini ve eritrosit glutatyon (GSH) düzeyleri 26 sağlıklı kontrolün düzeyleriyle karşılaştırılmıştır.

Bulgular: şizofrenik bozukluğu olan hastalarda, sağlıklı kontrollere göre serbest radikallerin neden olduğu nörotoksik hasarın bir göstergesi olarak lipid peroksidasyonunun son ürünü olan MDA(malondialdehit) düzeyi daha yüksek, serum C vitamini, serum E vitamini ve eritrosit GSH düzeylerinin daha düşük olduğu saptanmıştır.

Sonuç: İncelenen her dört parametrede de şizofrenik bozukluğu olan hastalar grubu ve normal kontrol grubu arasında saptanan farklılıklar istatistiksel olarak anlamlı bulunmuştur. Bu sonuç şizofreninin fizyopatolojisinde nörotoksik serbest radikal hasarının rolü olduğu savını desteklemektedir.
The investigation of free radical metabolism and antioxidant defense systems elements in patients with schizophrenic disorder
Object: We aimed to show changes in free radical metabolism and antioxidant defense systems elements in patients with schizophrenic disorder according to normal persons.

Method: There were 48 patients who were diagnosed as schizophrenia according to DSM-IV for 2 [year]s. We measured serum MDA(malondialdehyde), serum C and E vitamins and red blood cell GSH(glutathione) of patients and compared with 26 healthy persons.
Results: Neurotoxic deformation caused by free radicals is shown by measuring lipid peroxidation's last product MDA level in the serum. These MDA levels were found higher where as serum vitamin C, serum vitamin E and red blood cell GSH level were found lower in patients with schizophrenic disorder.

Conclusions: Differences between patients and normal persons according to these 4 parameters were found statistically significant. As a result, we can say that neurotoxic free radicals defects has an important role in schizophrenia physiopathology.

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