Tumor necrosis factor alpha-308 gene polymorphism and pseudoexfoliation glaucoma
2008

TNF-alpha Gene Polymorphism and Pseudoexfoliation Glaucoma

Sample size: 220 publication Evidence: moderate

Author Information

Author(s): Oya Tekeli, M. Erol Turacli, Yonca Egin, Nejat Akar, Atilla Halil Elhan

Primary Institution: Ankara University School of Medicine

Hypothesis

Is there an association between TNF-α−308 G/A polymorphism and pseudoexfoliation glaucoma?

Conclusion

The TNF-α−308 G/A genotype is not associated with pseudoexfoliation glaucoma, and the G/G variant may be a protective factor.

Supporting Evidence

  • The G/G genotype was found to be more prevalent in PEX glaucoma patients compared to controls.
  • The A allele frequency was significantly lower in PEX patients than in controls.
  • The study included a total of 220 participants, providing a robust sample size.

Takeaway

This study looked at a gene that might affect eye health in people with a specific type of glaucoma, but it found that one version of the gene doesn't seem to cause the disease.

Methodology

A case-control study with 110 PEX glaucoma patients and 110 healthy controls, using genotyping and ophthalmic examinations.

Limitations

The study is limited to a specific population and may not be generalizable to other ethnic groups.

Participant Demographics

All participants were Turkish, with an average age of 66 years for PEX glaucoma patients and 64 years for controls.

Statistical Information

P-Value

0.023

Confidence Interval

95% CI 1.15–7.20

Statistical Significance

p=0.023

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