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Yıl:2019; Cilt: 22; Sayı: 2>> Özet
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Klinik Psikiyatri Dergisi; 2019;22(2):125-138
Bipolar bozukluk tanısı olan kadınlarda artmış serum NMDA reseptör antikoru düzeyleri
D Ceylan, P Akan, K Doyuran
İzmir Ekonomi Üniversitesi, İzmir
N-metil-D-aspartat reseptörlerini (NMDA-R) hedef alan antikorlar nedeniyle glutamaterjik ve gamma amino butirik asit (GABAerjik) dEngenin bozulmasýnýn bipolar bozukluk ile otoimmün hastalýk arasýndaki ortak yolaklardan biri olabileceði düþünülmektedir. Kanýtlar, kadýnlarýn otoimmün hastalýklara duyarlý olduðunu göstermekte ve otoimmünite araþtýrmalarýnda biyolojik cinsiyete özgü bir yaklaþýmý desteklemektedir. Bu araþtýrma, bipolar bozukluðu olan ötimik hastalarýn serumlarýnda NMDA-R antikorlarýnýn konsantrasyonlarýný ve trombositlerinin yüzeylerindeki NMDA ve GABA reseptörlerinin yoðunluðunu saðlýklý kontrollerinkilerle karþýlaþtýrmalý olarak deðerlendirmeyi; ve cinsiyetin NMDA-R antikorlarýnýn serum konsantrasyonlarýna ve trombositler üzerindeki NMDA ve GABA reseptörlerinin yoðunluðuna etkisini saptamayý amaçlamaktadýr. Yöntem: DSM IV’e göre bipolar bozukluk tanýsý olan 27 ötimik hastanýn (16 kadýn, 11 erkek) ve 33 saðlýklý bireyin (17 kadýn, 16 erkek) serum örneklerinde NMDA antikor IgG düzeyleri ELÝZA yöntemi ile saptandý. NMDA ve GABA reseptörlerinin trombositler üzerindeki yoðunluðu immünositokimyasal yöntemler kullanýlarak araþtýrýldý. Bulgular: Bipolar bozukluðu olan hastalarýn serumlarýnda saðlýklý bireylerinkilere göre daha yüksek NMDA-R antikoru düzeyleri saptandý (p
Increased serum levels of NMDA receptor antibodies in female patients with bipolar disorder 
Glutamatergic/GABAergic imbalance due to autoimmune antibodies targeting N-methyl-D-aspartate receptors (NMDA-R) is considered to be one of the shared pathways between bipolar disorder (BD) and autoimmune diseases. Evidence shows female vulnerability to autoimmune disorders, and suggests a sex-specific approach in autoimmunity research in BD. We aimed to assess serum concentrations of NMDA-R antibodies and density of NMDA and GABA receptors on platelets in euthymic patients with BD in comparison to healthy individuals; and to determine the impact of sex on serum concentrations of NMDA-R antibodies and the density of NMDA and GABA receptors on platelets. Method: NMDA antibody IgG were detected in serum samples of 27 DSM IV euthymic patients with bipolar disorder (16 females, 11 males) and 33 healthy individuals (17 females, 16 males), using ELISA method. The densities of NMDA and GABA receptors on platelets were investigated using immunocytochemical methods. Results: Patients with BD presented higher serum levels of NMDA-R antibodies in comparison to healthy individuals (p

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