Lack of association between MMP13 (rs3819089), ADAM12 (rs3740199-rs1871054) and ADAMTS14 (rs4747096) genotypes and advanced-stage knee osteoarthritis
Simsek, Ekin Kaya
Cebi, Hatice Pinar Baysan
Atac, Fatma Belgin
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Objectives: The aim of this study was to investigate the relationship between MMP13 rs3819089, ADAM12 rs3740199 and rs1871054, and ADAMTS14 rs4747096 genotypes in patients with radiologically diagnosed knee osteoarthritis (OA). Patients and methods: A total of 300 patients (68 males, 232 females; mean age: 61.6 years; range, 25 to 89 years) who were admitted to the orthopedics and traumatology clinic and diagnosed with knee OA according to the 2000 American College of Rheumatology (ACR) criteria between October 2018 and March 2019 were prospectively analyzed. Patients with Grades III-IV OA according to the KellgrenLawrence (K-L) grading system were included in the patient group (n=150) and those without radiological features of knee OA (K-L Grades I-II) were included in the control group (n=150) voluntarily. The presence of single nucleotide polymorphisms (SNPs) in the targeted genes in both groups was assessed by real-time polymerase chain reaction in the peripheral blood sample. Results: The most common nucleotides in both the control and patient groups were CG for rs3740199 and CT for rs1871054 in the ADAM12 gene, and the most common nucleotides in alleles were GG for MMP13 rs3819089 and AA for ADAMTS14 rs4747096. No statistically significant relationship was detected between the gene polymorphisms and advanced OA. Conclusion: The study results suggest that ADAM12 rs3740199 and rs1871054, MMP13 rs3819089, and ADAMTS14 rs4747096 polymorphisms have no relationship with knee OA susceptibility in the Turkish population. However, as this is the first study to investigate the relationship between the SNPs of ADAM12, ADAMTS14, and MMP13 genes and the development of OA in the Turkish population, it would contribute to our understanding of the molecular bases of OA.