Relationship between human leukocyte antigen (HLA) alleles and pediatric autoimmune neuropsychiatric disorders associated with Streptococcal infections (PANDAS)

Year 2019, Volume: 44 Issue: 1, 52 - 58, 31.03.2019

Gökhan Karacaoğlan Ümit Lüleyap , Ayşegül Yolga Tahiroğlu , Perçin Pazarcı Akgün Yaman Salih Çetiner , Yaşar Sertdemir Doğa Lüleyap

https://doi.org/10.17826/cumj.426378

Abstract

Purpose: The aim of this study is to examine the relationship between Pediatric autoimmune neuropsychiatric disorders associated with Streptococcal infections (PANDAS) and Human Leukocyte Antigen (HLA) alleles. 

Materials and Methods: HLA alleles of 41 children patients, whom are diagnosed with rapid onset of obsessive compulsive disorder (OCD), and 88 healthy children are analyzed by using PCR. Results are evaluated by using univariate and multivariate logistic regression analysis.

Results: DRB8, DRB5.2 and DQ5 alleles increase risk of disease while A1, B18 and B35 alleles decrease risk of disease. 

Conclusion: Findings of this study will help researchers to examine related genes in PANDAS and the effects of gene products on development of the disease. Presentation of exogenic antigens to T-helper cells by HLA class II loci is determined in different autoimmune diseases. Similarity of these findings with PANDAS etiology and risk increasing alleles found in this study being HLA class II is remarkable.

Keywords

PANDAS, HLA, OCD, GABHS, Neuropsychiatric disorders

Streptokok enfeksiyonu ile ilişkili pediatrik otoimmün nöropsikiyatrik hastalık (PANDAS) ile insan lököksit antijen (HLA) ilişkisi

Abstract

Amaç: Bu çalışmada Streptokok enfeksiyonları ile ilişkili pediyatrik otoimmün nöropsikiyatrik bozukluklar (PANDAS) ve İnsan Lökosit Antijen (HLA) allelleri arasındaki ilişkinin incelenmesi amaçlanmıştır.

Gereç ve Yöntem: Ani başlangıçlı obsesif kompulsif bozukluğu (OKB) olan 41 çocuk hastanın ve 88 sağlıklı çocuğun HLA alelleri PCR kullanılarak analiz edildi. Sonuçlar univariate ve multivariate lojistik regresyon analizi kullanılarak değerlendirildi.

Bulgular: A1, B18 ve B35 allellerinin hastalık riskini azaltırken, DRB8, DRB5.2 ve DQ5 allellerinin hastalık riskini artırdığı saptanmıştır.

Sonuç: Bu çalışmanın bulguları, araştırmacıların PANDAS'taki ilgili genleri ve gen ürünlerinin hastalığın gelişimine olan etkilerini incelemelerine yardımcı olacaktır. HLA sınıf II lokusları tarafından T-yardımcı hücrelere ekzojenik antijenlerin tanıtımı farklı otoimmün hastalıklarda belirlenmiştir. Bu bulguların PANDAS etiyolojisi ile benzerliği ve bu çalışmada bulunan hastalık riskini artıran allellerin, HLA sınıf II’de bulunması dikkat çekicidir.

Keywords

PANDAS, HLA, OKB, GABHS, Nöropsikiyatrik bozukluklar

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