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Yıl:2021; Cilt: 58; Sayı: 3>> Özet
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Nöropsikiyatri Arşivi; 2021;58(3):184-188
Şizofreni Hastalarında Oksidatif Stres ve Artmış Malondialdehit Düzeyinin Tanısal Performansı
O Hurşitoğlu, FÖ Orhan, EB Kurutaş, A Doğaner, HT Durmuş, H Kopar
Necip Fazıl Şehir Hastanesi, Kahramanmaraş
Şizofreni tanısı genellikle hasta ve hasta yakınları ile yapılan görüşmeler neticesinde konulmaktadır. Bu yüzden, son dönemde hastalığın olası biyobelirteçleri ile ilgili çalışmalara ilgi artmıştır. Şizofreni hastalarında Katalaz (CAT), Süperoksit Dismutaz (SOD) ve Malondialdehit (MDA) gibi oksidatif parametreler araştırılmış olmakla birlikte bu parametrelerin tanısal değeri ile ilgili herhangi bir çalışma yapılmamıştır. Bu çalışmada amacımız, şizofreni hastalarında serum SOD, CAT ve MDA düzeylerini ölçmekle birlikte MDA’nın tanısal değerini test etmektir. Yöntem: Çalışmamıza 30 şizofreni tanılı hasta ve 30 cinsiyet, yaş bakımından eşleştirilmiş sağlıklı kontrol dahil edildi. Şizofreni hastalarının semptomlarının şiddetini ölçmek için Pozitif ve Negatif Sendrom Ölçeği (PANSS) kullanıldı. Bulgular: Çalışmamızda, şizofreni hastalarında MDA, SOD ve CAT serum seviyeleri kontrol grubuna göre anlamlı olarak yüksek bulunmuştur. ROC curve ile yapılan analizde, MDA için kesim noktası 2,72 nmol/ ml olarak bulunmuştur. MDA, SOD, CAT aktivitesi ve PANSS skorları, klorpromazin eş değer dozları, klinik özellikler arasında anlamlı bir ilişki bulunamamıştır(p>0,05). Sonuç: Özetle, biz şizofreni hastalarında sağlıklı kontrollerle karşılaştırıldığında daha yüksek serum SOD, CAT ve MDA seviyeleri olduğu sonucuna ulaştık. Ayrıca, MDA’nın çok iyi bir tanısal lipid peroksidasyon biyobelirteci olarak kabul edilebileceği, ancak bu sonucun geçerliliğini test etmek için daha homojen gruplarda ileri çalışmalar yapılması gerektiği kanaatindeyiz.
Diagnostic Performance of Increased Malondialdehyde Level and Oxidative Stress in Patients with Schizophrenia
Introduction: Schizophrenia is typically diagnosed through interviews with patients and their relatives. Thus, molecular biomarkers for this mental illness have recently become a hot topic for research. Oxidative stress and antioxidant parameters, such as catalase (CAT), superoxide dismutase (SOD) and malondialdehyde (MDA), have been investigated in schizophrenia; however, no studies have been conducted on the diagnostic performance of oxidative parameters. The goal of the present study is to examine the serum levels of SOD, CAT and MDA and to test the diagnostic performance of MDA in patients with schizophrenia.Methods: Thirty patients with schizophrenia and 30 healthy gender– and age-matched controls were included in our study. Symptom severity in the patient group was rated using the Positive and Negative Syndrome Scale (PANSS). Results: The serum levels of MDA, SOD and CAT were found to be significantly increased in patients with schizophrenia compared to the control group. A receiver operating characteristic curve showed a cut-off point of 2.72 nmol/ml for the MDA diagnostic measure. No significant correlation was found (p>0.05) between MDA, SOD and CAT activity and PANSS scores or the chlorpromazine equivalent and clinical characteristics. Conclusion: In summary, we found higher serum levels of SOD, CAT and MDA in patients with schizophrenia compared to healthy controls. MDA is considered a very good diagnostic lipid peroxidation marker, and further studies should be done to test its validity in patients with schizophrenia.

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