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Yıl:2022; Cilt: 25; Sayı: 1>> Özet
TAM METİN
Klinik Psikiyatri Dergisi; 2022;25(1):75-83
.Obsesif kompulsif bozukluğu olan hastalarda ASC ve IL-1beta'nın nörobilişsel parametrelerle ilişkisi
M Tetik, B Önder Uzgan, C Aykaç, B Ekinci, T Yaraş, A Kuruoğlu, Ö Akgül, T Alkın
, Dokuz Eylul University, Izmir,
Amaç: İnflamatuar süreçlerin psikiyatrik bozuklukların etyopatogenezinde rol oynadığı yaygın kabul görmektedir. Bu süreçlerde NLRP3, ASC ve Caspase-1 proteinlerinin bir araya gelmesiyle ve NEK7'nin aktivasyonuyla oluşan NLRP3 inflamatuarı yer almaktadır. Bu çalışmada obsesif kompulsif bozukluk (OKB) hastalarında inflamatuar belirteçler (ör: IL-1β, IL-18, NLRP3 inflamatuar protein düzeyleri) ile bilişsel işlevler arasındaki ilişkinin araştırılması amaçlanmıştır. Yöntem: OKB tanısı almış 18-45 yaş arası kırk-iki hasta çalışmaya dahil edilmiştir. Klinik değerlendirmeler için DSM-IV Eksen I. Bozuklukları için Yapılandırılmış Psikiyatrik Görüşme Formu (SCID-I), Yale Brown Obsesyon Kompulsiyon Ölçeği (Y-BOCS) ve Hamilton Depresyon Ölçeği (HAM-D) kullanılmıştır. Bilişsel işlevleri değerlendirmek için İz Sürme Testi (TMT), Berg Kart Eşleme Testi ve Kategori Akıcılık Testi uygulanmıştır. IL-1β ve IL-18 sitokin seviyeleri ELISA yöntemi ile belirlenirken NLRP3, Kaspaz-1, ASC ve NEK7'nin protein miktarlarının ölçümü Western blot yöntemi ile gerçekleştirilmiştir. Bulgular: Serum IL-1beta seviyeleri, TMT (B-A) ile negatif korelasyon göstermiştir (rs=-.36, p= 0.019). Benzer şekilde ASC, TMT-B ve TMT (B-A) ile negatif korelasyon göstermiştir (sırasıyla rs=-.38, p=0.03; rs=-0.36, p=0.04). Ancak diğer inflamatuar parametreler (NLRP3, Caspase-1 ve IL-18) ile nörobilişsel testler arasında istatistiksel olarak anlamlı bir ilişki bulunamamıştır. Sonuç: Elde ettiğimiz sonuçlar, OKB'li hastalarda nörobilişsel bozulmanın bazı yönlerinin nöroinflamatuar süreçlerle ilişkili olabileceğine işaret etmektedir ve bu bulgu OKB patogenezinin anlaşılmasına katkı sağlayabilir.
Relation of ASC and IL-1beta with neurocognitive parameters in patients withObsessive-Compulsive Disorder
Objective: It is now well accepted that inflammatory processes play a role in the etiopathogenesis of psychiatric disorders. NLRP3 inflammasome, which is formed by the combination of NLRP3, ASC and Caspase-1 proteins, and its activator NEK7, takes part in these processes. In this study, we aimed to investigate the relationship between inflammatory markers (i.e. IL-1ß, IL-18, NLRP3 inflammasome protein levels) and cognitive functions in patients with obsessive compulsive disorder (OCD). Method: Forty-two patients between the ages of 18-45 who were diagnosed with OCD were included in the study. Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I), Yale-Brown Obsessive Compulsive Scale (Y-BOCS), and Hamilton Depression Scale (HAMD) were used for clinical evaluations. In order to evaluate cognitive functions, Trail Making Test (TMT), Berg Card Sorting Test and Category Fluency Test were applied. IL1ß and IL-18 cytokine levels were determined by the ELISA method; measurement of the protein amounts of NLRP3, Caspase-1, ASC and NEK7 were performed by Western blotting. Results: Serum IL-1beta was negatively correlated with TMT (B-A) (rs=-.36, p= 0.019). Similarly, ASC was negatively correlated with TMT-B and TMT (B-A) (rs=-.38, p= 0.03; rs=-0.36, p = 0.04, respectively). However, no statistically significant relationship was found between other inflammatory parameters (NLRP3, Caspase-1, and IL-18) and neurocognitive tests. Discussion: Our results indicate that some aspects of neurocognitive impairment in patients with OCD might be related to neuroinflammatory processes, with implications for our understanding of the pathogenesis of OCD.

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