Prevalence of the Pro12Ala missense mutation in the PPARG2 gene in Kuwaiti patients with primary knee osteoarthritis
2011

Prevalence of Pro12Ala Mutation in Kuwaiti Patients with Knee Osteoarthritis

Sample size: 215 publication Evidence: moderate

Author Information

Author(s): Al-Jarallah Khaled F., Shehab Diaa K., Haider Mohammad Z.

Primary Institution: Kuwait University, Faculty of Medicine

Hypothesis

Is there a prevalence of the Pro12Ala missense mutation in the PPARG2 gene among Kuwaiti patients with primary knee osteoarthritis compared to healthy controls?

Conclusion

The study found no significant association between the PPARG2 gene Pro12Ala missense mutation and knee osteoarthritis, suggesting that the Pro-Pro genotype may have a protective effect against the disease.

Supporting Evidence

  • The Pro-Pro genotype was found in 91.3% of OA patients and 100% of controls.
  • The heterozygous Pro-Ala genotype was found in 8.7% of OA patients but not in controls.
  • No significant differences were found in genotype distribution based on age at onset or severity of OA.

Takeaway

The researchers looked at a gene mutation in people with knee arthritis and found that it doesn't seem to be linked to the disease in Kuwaiti patients.

Methodology

A prospective cross-sectional study comparing 104 patients with primary knee osteoarthritis to 111 healthy controls, analyzing the prevalence of the Pro12Ala mutation.

Potential Biases

Potential selection bias as the control group consisted of individuals with minor illnesses and no musculoskeletal disorders.

Limitations

The study had a relatively small sample size and did not examine family members of the patients.

Participant Demographics

104 patients with primary knee OA (96 females, 8 males) and 111 healthy controls (59 females, 52 males), mean age of OA patients was 56.9 years.

Statistical Information

P-Value

p>0.05

Statistical Significance

p>0.05

Digital Object Identifier (DOI)

10.4103/0256-4947.75776

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication