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Updated: Apr 17, 2026

Software-Assisted Quantitative Measurement of Osteoarthritic Subchondral Bone Thickness
Published on: March 18, 2022
DVWA gene polymorphisms and osteoarthritis
Valentina Bravatà1, Luigi Minafra2, Giusi I Forte3
1IBFM CNR-LATO, Cefalù, PA, Italy. valentina.bravata@ibfm.cnr.it.
Genetic variations in the DVWA gene may influence osteoarthritis (OA) severity. Specific single nucleotide polymorphisms (SNPs) were associated with radiographic joint damage in Sicilian patients, suggesting a role in OA progression.
Area of Science:
- Genetics
- Orthopedics
- Rheumatology
Background:
- Osteoarthritis (OA) is a degenerative joint disease with a significant genetic component.
- Previous research identified the rs11718863 DVWA single nucleotide polymorphism (SNP) associated with more severe radiographic grades in Sicilian OA patients.
- This study investigates five DVWA SNPs (rs11718863, rs7639618, rs7651842, rs7639807, rs17040821) for potential functional changes impacting OA.
Purpose of the Study:
- To explore potential associations between DVWA gene SNPs and clinical/radiographic features of knee osteoarthritis (OA).
- To investigate the role of specific DVWA SNPs in OA progression and severity.
Main Methods:
- Genotyping of five DVWA SNPs in 61 Sicilian knee OA patients and 100 healthy controls.
- Clinical assessment using American Knee Society Scores (AKSS) and radiographic evaluation using Kellgren and Lawrence (KL) grades.
- Linkage Disequilibrium (LD) analysis to assess SNP haplotype segregation and compare Minor Allele Frequencies (MAF) with European populations.
Main Results:
- All investigated DVWA SNPs exhibited higher Minor Allele Frequencies (MAF) in the Sicilian cohort compared to European populations.
- The rs7639618 SNP demonstrated a statistically significant association with KL radiographic grade.
- Linkage Disequilibrium (LD) was observed between rs11718863 and rs7639618, and among rs7651842, rs7639807, and rs17040821.
- Three individuals were homozygous for the MAF alleles of rs7651842, rs7639807, and rs17040821.
Conclusions:
- This preliminary research highlights potential associations between DVWA SNPs and OA clinical and radiographic parameters.
- The findings support a multidisciplinary approach to OA research, integrating clinical, radiological, and genetic data for improved disease grading.
- DVWA SNPs may serve as potential genetic markers for OA progression and severity.
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