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Yıl:2014; Cilt: 52; Sayı: 1-4>> Özet
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Yeni Symposium; 2014;52(1-4):12-16
Alopesi Areata Hastalarında Beyin Kaynaklı Nörotrofik Faktör (BDNF) Düzeyleri: Bir Ön Çalışma
G Erfan, Y Albayrak, ME Yanık, C Ünsal, H Güneş, M Kulaç, M Kuloğlu
Namık Kemal Üniversitesi, Tekirdağ
Amaç: Amaç: Alopesi areata (AA) genellikle tek, iyi sınırlı yamalarla seyreden yara bırakmayan alopesiler grubunda yer alan asemptomatik bir saç kaybıdır. AA hastalarında, yüksek oranda psikiyatrik komorbiditeye ait çok sayıda çalışma bulunmaktadır. Ancak literatürde ilk tanı almış alopesi areata hastalarında beyin kaynaklı nörotrofik (BDNF) faktör gibi psikiyatrik belirteçlerin araştırıldığı herhangi bir çalışma bulunmamaktadır. Yöntem: Bu çalışma Namık Kemal Üniversitesi Tıp Fakültesi deri ve zührevi hastalıklar ve psikiyatri bölümlerinde, Mart 2013 ve Eylül 2014 tarihleri arasında gerçekleştirilmiştir. Dışlama kriterleri sonrası herhangi bir psikiyatrik hastalık geçmişi ve muayene bulgusu olmayan, ilk kez AA tanısı almış 60 hasta, yaş ve cinsiyet uyumlu sağlıklı 60 bireyden oluşan kontrolle serum BDNF düzeyleri açısından karşılaştırılmıştır. Bulgular: Gruplar arasında yaş ve kadın/erkek oranları açısından fark saptanmamıştır. AA grubunda serum BDNF düzeyleri 2.13±1.71 ng/dl, sağlıklı grupta 2.32±1.93 ng/dl olarak tespit edilmiştir. Serum BDNF düzeyleri arasında farklılık saptanmamıştır (t=2.76, p=0.61). Sonuçlar: Çalışmamız, ilk kez tanı konulan alopesi areata hastaları ile sağlıklı bireylerin serum BDNF düzeylerinin karşılaştırıldığı ilk çalışmadır. Bu çalışmada normal popülasyon ile alopesi areata serum BDNF düzeyleri arasında fark olmadığı gösterilmiştir. Öte yandan, bu ön çalışmada bildirilen verileri destekleyecek yeni çalışmalara da ihtiyaç olduğunu düşünmekteyiz.
Investigation of the serum brain-derived neurotrophic factor in patients with alopecia areata: a preliminary study
Objectives: Alopecia areata (AA) is an asymptomatic hair loss; with mostly single, well-defined patches and in-group of non-scarring alopecia. There have been numerous studies that reported high percentages of psychiatric comorbidity in patients with alopecia areata. Beside these studies, to our knowledge there has been no study that researched a psychiatric biomarker such as brain-derived neurotrophic factor (BDNF) in first onset alopecia areata patients. Method: This study was conducted in Namik Kemal University Medical Faculty, Departments of Dermatology and Psychiatry between March 2013 and September 2014. After inclusion and exclusion criteria, 60 patients with first onset AA who have no current and past psychiatric disorder and 60 age-sex matched healthy subjects were compared in terms of serum brain-derived neurotrophic factor. Results: The age and female /male ratio were found to be insignificant between groups. The mean values of serum BDNF were 2.13±1.71 ng/dl and 2.32±1.93 ng/dl in AA group and in healthy control group respectively. The mean BDNF level was found to be similar between groups (t=2.76, p=0.61). Conclusions: According to our knowledge, this study is the first to compare serum BDNF between patients with first onset alopecia areata and healthy subjects. Our study might indicate that patients with alopecia areata have similar serum BDNF levels compared with normal population. Nonetheless, further studies are needed to support our preliminary results.

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