Repository of Research and Investigative Information

Repository of Research and Investigative Information

دانشگاه علوم پزشکی و خدمات بهداشتی درمانی زنجان

Polymorphism of the CLDN5 gene and Schizophrenia in an Iranian Population

(2014) Polymorphism of the CLDN5 gene and Schizophrenia in an Iranian Population. IRANIAN JOURNAL OF PUBLIC HEALTH. pp. 79-83.

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Abstract

Background: The gene coding claudin (CLDN5) is located on 22q11. Since the proteins of CLDN5 family are a major component for barrier-forming tight junctions, it may be important to test whether or not the CLDN5 locus could be associated with schizophrenia. Methods: A total of 150 individuals affected with schizophrenia and 150 healthy persons were recruited. The relationship between the three single nucleotide polymorphism (SNPs) and schizophrenia disease was studied using polymerase chain reaction (PCR)-based restriction fragment length polymorphism (RFLP) technique. The PCR products were completely digested with restriction enzymes of DpnII, PvuII and BstNI, and then separated on agarose gel. The statistical investigations and haplotype analysis were also performed. Results: The transmission disequilibrium test (TDT) exhibited weak association between rs10314 C/G] and schizophrenia (v2 = 3.55, P = 0.022), but the other two SNPs did not show such an association. The global chi-square test showed that the 3-SNP haplotype system was not associated with schizophrenia although the 1-df test for individual haplotypes showed that the rs1548359(C)-rs10314(G)-rs739371(C) haplotype was excessively non-transmitted (v2 = 6.33, P = 0.025). The v2 test for LD between SNPs indicated that these three SNPs were in strong LD. Conclusion: Collectively, LD analysis showed that the CLDN5 locus was associated with schizophrenia in an Iranian population.

Item Type: Article
Page Range: pp. 79-83
Journal or Publication Title: IRANIAN JOURNAL OF PUBLIC HEALTH
Abstract and Indexing: ISI, Pubmed, Scopus
Quartile : Q3
Volume: 43
Number: 1
Publisher: web of science,pubmed,scopus
Depositing User: خانم مریم زرقانی
URI: http://repository.zums.ac.ir/id/eprint/2075

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