Tarakji I, Habbal W, Monem F. Association Between
STAT4 rs7574865 Polymorphism and Rheumatoid Arthritis: Debate Unresolved.
Open Rheumatol J 2018;
12:172-178. [PMID:
30505369 PMCID:
PMC6210524 DOI:
10.2174/1874312901812010172]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 08/28/2018] [Accepted: 10/01/2018] [Indexed: 11/22/2022] Open
Abstract
Background:
STAT4 rs7574865 polymorphism has been evidently associated with susceptibility to Rheumatoid Arthritis (RA) in European and Eastern Asian populations, whereas studies in other countries reported otherwise.
Objective:
We investigated the distribution of STAT4 rs7574865 polymorphism in a group of Syrian RA patients.
Methods:
Eighty-one RA patients and forty healthy controls were enrolled and STAT4 rs7574865 was genotyped by direct sequencing. RA patients were stratified according to Anti-Citrullinated Protein Antibodies (ACPA) status for analysis.
Results:
Minor T allele frequencies were 30.4%, 16.7%, and 23.8% in ACPA-positive RA patients, ACPA-negative RA patients, and healthy controls, respectively. No significant differences in STAT4 rs7574865 allele/genotype frequencies were found between ACPA-positive RA patients, ACPA-negative RA patients, and healthy controls (P>0.05).
Conclusion:
STAT4 rs7574865 TT genotype showed a potential impact on ACPA positivity in Syrian RA patients. However, STAT4 rs7574865 effect on RA onset and severity is minor compared to other genetic factors such as HLA-DRB1 shared epitope alleles.
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