Vitamin D receptor gene polymorphisms (Apa1 and Taq1) in temporomandibular joint internal derangement/osteoarthritis in a group of Turkish patients

Molecular Biology Reports
Ayça Dilara YilmazGülden Ereş

Abstract

Genetic variations might play a role in susceptibility to temporomandibular joint internal derangement (TMJ-ID) and osteoarthritis of the joint (TMJOA). Vitamin D receptor (VDR) polymorphisms have been shown to be associated with disc degeneration-linked pathologies, particularly osteoarthritis (OA). The aim of this study was to evaluate whether VDR polymorphisms present susceptibility to TMJ-ID/TMJOA. The study included 49 unrelated TMJ-ID patients with OA (31.7 ± 7.9) that were grouped and evaluated as having anterior disk displacement with reduction (ADDwR, n = 24) (31.58 ± 8.25) and without reduction (ADDwoR, n = 25) (31.8 ± 7.53) and 70 healthy controls (28.22 ± 5.9). DNA was extracted from blood samples using the standard proteinase K/phenol-chloroform method. Apa1 and Taq1 polymorphisms were investigated using a polymerase chain reaction-based restriction fragment length polymorphism assay. When TMJ-ID patients, ADDwR cases and ADDwoR cases versus healthy controls were compared, Apa1 Aa genotype compared to AA genotype had odds ratios of 1.65, 1.79 and 1.64 respectively (p > 0.05). In TMJ-ID women versus healthy women Aa genotype had 2.06 fold (p = 0.15) odds compared to AA genotype. Taq1 results showed that in TMJ-ID pa...Continue Reading

References

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Citations

Nov 5, 2020·Rheumatology·Hui-Min LiCai-Liang Shen
May 1, 2021·Nutrients·Andreea KuiMarius Negucioiu

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Methods Mentioned

BETA
PCRs
PCR

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