Evaluation of NFKB1A variants in patients with knee osteoarthritis

Hulin-Curtis, Sarah L ORCID: 0000-0003-0889-964X, Sharif, M, Bidwell, JL and Perry, MJ (2012) Evaluation of NFKB1A variants in patients with knee osteoarthritis. International Journal of Immunogenetics, 40 (4). pp. 272-279. doi:10.1111/iji.12020

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A key feature of osteoarthritis (OA) is articular cartilage loss mediated by numerous catabolic factors including pro-inflammatory cytokines. Cytokine expression is modulated by the nuclear factor jB (NF-jB) family of transcription factors that are in turn, regulated by the inhibitor of NF-jB IjBa encoded by NFKB1A. We examined eight, previously reported common germline polymorphisms to determine whether NFKB1A variants are associated with knee OA. Eight common single-nucleotide polymorphisms (SNPs) across the NFKB1A gene were genotyped in 189 cases with knee OA and 197 healthy controls. Allele, genotype and haplotype frequencies were compared between case and control groups and stratified according to gender due to the increased prevalence of female OA. Serum concentrations of four biochemical markers elevated in OA were compared with genotype for each knee OA case. None of the SNPs showed an association with knee OA; however, stratification of the data for gender showed an increased frequency of the rs8904 variant allele in the female knee OA case group (P = 0.02). Six common haplotypes were identified (H1–H6). H6 was marginally more prevalent in the knee OA group (P = 0.05). The rs8904 variant was associated with increased levels of hyaluronan (HA), a marker of synovial inflammation at 12 and 24 months compared to baseline levels. The nearby rs696 variant demonstrated increased levels of C-reactive protein (CRP) at 12 months and HA at 12 and 24 months. A reduction in CRP levels at 12 months was observed for the rs2233419 variant. These findings provide evidence for the association of NFKB1A variants and knee OA.

Item Type: Article
Article Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Schools and Research Institutes > School of Education and Science
Research Priority Areas: Health, Life Sciences, Sport and Wellbeing
Depositing User: Sarah Curtis
Date Deposited: 18 Jun 2024 13:31
Last Modified: 18 Jun 2024 13:31
URI: https://eprints.glos.ac.uk/id/eprint/14153

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