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ORIGINAL ARTICLE
Year : 2019  |  Volume : 11  |  Issue : 8  |  Page : 605-610

Single-nucleotide polymorphism of CTLA-4 (rs5742909) in correlation with schizophrenia risk factor


1 Department of Biological Pharmacy, Biotechnology Pharmacy Laboratory, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, Indonesia
2 Department of Pharmacology and Clinical Pharmacy, Clinical Pharmacy Laboratory, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, Indonesia; Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Ahmad Dahlan, Yogyakarta, Indonesia
3 Department of Pharmacology and Clinical Pharmacy, Clinical Pharmacy Laboratory, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, Indonesia
4 Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Ahmad Dahlan, Yogyakarta, Indonesia
5 Department of Pharmacology and Clinical Pharmacy, Clinical Pharmacy Laboratory, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, Indonesia; Center of Excellence in Higher Education for Pharmaceutical Care Innovation, Universitas Padjadjaran, Bandung, Indonesia
6 Department of Biological Pharmacy, Biotechnology Pharmacy Laboratory, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, Indonesia; Center of Excellence in Higher Education for Pharmaceutical Care Innovation, Universitas Padjadjaran, Bandung, Indonesia

Correspondence Address:
Dr. Melisa I Barliana
Department of Biological Pharmacy, Biotechnology Pharmacy Laboratory, Faculty of Pharmacy, Universitas Padjadjaran, Jl. Batununggal Mulia V/6, Bandung 40267, West Java.
Indonesia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jpbs.JPBS_215_19

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Background: Cytotoxic T protein lymphocyte antigen-4 (CTLA-4) plays a key role in regulating the T-cell system, where occurrence of disturbances in the system seen by imbalances in Th1 and Th2 levels is believed to be one of the etiologies of schizophrenia. Single-nucleotide polymorphisms (SNPs) at rs5742909 in the CTLA-4 gene (C→T) might affect the expression level of CTLA-4 protein. Aims and Objectives: The aim of this study was to determine the genotype distribution of the CTLA-4 gene (rs5742909) in patients with schizophrenia at Rumah Sakit Jiwa Prof. Dr. Soerojo Magelang and identify the correlation of these genetic polymorphisms as the risk factors of schizophrenia. Materials and Methods: This research was conducted through the stage of submitting ethical approval, primer design, chromosomal DNA isolation, optimization of polymerase chain reaction conditions, and data analysis. Results: Based on the results of the study, the CC genotype was shown in 36 patients (78.26%), TT genotype in 10 patients (21.73%), and no TT genotypes. However, statistical analysis using Fisher’s exact and binary logistic regression statistical test showed no significant relationship between genetic polymorphism of the CTLA-4 rs5742909 against risk factors for schizophrenia (P = 0.05; α = 5%). Conclusion: SNP at rs5742909, C-to-T-allele transition, was not significant associated with the risk of schizophrenia.


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