Association of Signal Transducer and Activator of Transcription 4 rs10181656 Polymorphism With Rheumatoid Arthritis and Systemic Sclerosis in Khuzestan Province in Southwestern Iran

Objectives: This study aims to investigate the association of polymorphism rs10181656 (C>G) of signal transducer and activator of transcription 4 (STAT4) gene with rheumatoid arthritis (RA) and systemic sclerosis (SSc) in the southwest of Iran as well as the probable relationship between the poly...

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Bibliographic Details
Published in:Archives of rheumatology 2019-12, Vol.34 (4), p.434
Main Authors: Ghanavati, Fatemeh, Nezhad, Seyed Reza Kazemi, Hajjari, Mohammad Reza, Akhoond, Mohammad Reza
Format: Article
Language:English
Subjects:
Arthritis
Circuit components
Development and progression
Ethylenediaminetetraacetic acid
Genes
Genetic aspects
Genetic transcription
Rheumatoid factor
Scleroderma (Disease)
Systemic scleroderma
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Summary:Objectives: This study aims to investigate the association of polymorphism rs10181656 (C>G) of signal transducer and activator of transcription 4 (STAT4) gene with rheumatoid arthritis (RA) and systemic sclerosis (SSc) in the southwest of Iran as well as the probable relationship between the polymorphism with clinical features and disease activity parameters in both diseases. Patients and methods: A total of 200 patients (120 with RA [21 males, 99 females; mean age 44.83 years; range, 16 to 75 years] and 80 with SSc [13 males, 67 females; mean age 44.3 years; range, 30 to 75 years]) and 120 healthy controls (25 males, 95 females; mean age 46.93 years; range, 30 to 75 years) were recruited in this study. Genotyping was performed by polymerase chain reaction-restriction fragment length polymorphism. A set of genotypes was confirmed by sequencing. Results: A statistically significant association was detected between STAT4 rs10181656 polymorphism and RA (p=0.007). No significant correlation was detected between STAT4 rs10181656 polymorphism and SSc (p=0.357). None of the clinical features (anti-cyclic citrullinated peptide, rheumatoid factor) or disease activity parameters (limited cutaneous SSc, diffuse cutaneous SSc) showed any correlation with the genotype distribution of the STAT4 rs10181656 polymorphism in RA or SSc patients. Conclusion: Our findings suggest an association between RA susceptibility and STAT4 rs10181656 polymorphism. However, no significant association was found between the mentioned polymorphism and SSc. Clinical features and disease activity parameters did not show any association with the polymorphism. Keywords: Anti-cyclic citrullinated peptide, rheumatoid arthritis, rheumatoid factor, STAT4, systemic sclerosis.
ISSN:2148-5046
DOI:10.5606/ArchRheumatol.2019.7376