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Yıl:2009; Cilt: 19; Sayı: 3>> Özet
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Klinik Psikofarmakoloji Bülteni; 2009;19(3):235-239
Depresif belirtileri olan şizofreni hastalarında beyin kaynaklı nörotrofik faktör (BDNF) düzeyleri: Bir ön çalışma
AE Danacı, Ö Aydemir, A Deveci, F Taneli, O Taşkın
Celal Bayar University, Faculty of Medicine, Department of Psychiatry, Manisa-Türkiye
Amaç: Yapılan klinik ve hayvan çalışmalarından elde edilen sonuçlar şizofreninin nörogelişimsel, nörodejeneratif ve dopamin hipotezlerini desteklemektedir bu da beyin türevli nörotrofik faktörü (BDNF) şizofreninin patofizyolojisini açıklamada aday moleküllerden biri haline getirmiştir. Bu çalışmanın amacı depresyonu olan şizofreni hastalarında BDNF düzeylerini araştırmak ve bu değerleri major depresyonlu hastalar ve kontrol grubuyla karşılaştırarak şizofrenide görülen depresif belirtilerin doğasını anlamaktır. Yöntem: Depresif belirtileri bulunan 8 şizofreni hastasının (ŞD) BDNF düzeyleri iki farklı kontrol grubuyla karşılaştırılmıştır. Birinci grup major depresyonlu (MD) hastadan (n=24), ikinci grup ise sağlıklı kontrollerden oluşmuştur (n=26). Bulgular: ŞD grubunun BDNF düzeyleri kontrol grubuna benzer bulunurken MD grubunun BDNF düzeyleri her iki gruptan da istatistiksel olarak anlamlı düzeyde düşük bulunmuştur. Sonuç: Depresif belirtileri olan şizofreni grubuyla major depresyon grubunun BDNF düzeyleri arasındaki farklılık bu iki bozukluğun farklı etiyolojileri olduğu hipotezini destekler niteliktedir.
Serum brain-derived neurotrophic factor (BDNF) levels in schizophrenic patients with depressive sypmptoms: a preliminary study
Objectives: Evidence from clinical, pharmacological and
animal studies, have led to neurodevelopment,
neurodegeneration, and dopamine hypotheses, and to the
investigation of BDNF as a potential candidate molecule in
the pathophysiology of schizophrenia. The aim of this
study is to investigate the BNDF levels of schizophrenic
patients with depression and compare them with major
depression patients and controls in order to understand
the nature of depressive symptoms seen in schizophrenia.
Methods: The BDNF levels of eight schizophrenic patients
with depressive symptomatology (SD) were compared
with two control groups. The first group consisted of major
depressed patients (MDD) (n=24) and the second was the
healthy control group (n=26).
Results: SD group had BDNF levels similar to control group
and MDD group had significantly lower levels than the
other two groups.
Conclusion: This difference of BDNF levels between
schizophrenia with depression group and major
depression group supports the hypothesis of distinct
etiologies.

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