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Related Experiment Video

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Associations between TLR4 Polymorphisms and Open Angle Glaucoma: A Meta-Analysis.

Zhongjing Lin1, Shouyue Huang1, Jun Sun1

  • 1Department of Ophthalmology, Ruijin Hospital Affiliated Medical School, Shanghai Jiaotong University, 197 Ruijin Er Road, 200025 Shanghai, China.

Biomed Research International
|August 21, 2019
PubMed
Summary
This summary is machine-generated.

Certain toll-like receptor 4 (TLR4) gene variations are linked to an increased risk of open-angle glaucoma (OAG). Further research is needed to confirm these findings and explore TLR4 polymorphisms as potential biomarkers for OAG.

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Area of Science:

  • Genetics
  • Ophthalmology
  • Immunology

Background:

  • Inconsistent findings exist regarding the association between toll-like receptor 4 (TLR4) gene polymorphisms and open-angle glaucoma (OAG).
  • This study aimed to clarify the relationship between TLR4 polymorphisms and OAG risk.

Purpose of the Study:

  • To conduct a meta-analysis investigating the association between TLR4 polymorphisms and open-angle glaucoma (OAG).
  • To stratify analyses by ethnicity and glaucoma subtype to identify specific risk factors.

Main Methods:

  • A systematic literature search was performed across major databases (PubMed, EMBASE, ISI Web of Knowledge, Cochrane Library) up to December 2018.
  • Meta-analysis was used to calculate odds ratios (OR) and 95% confidence intervals (95%CI) for TLR4 polymorphisms.
  • Stratification analyses were conducted based on ethnicity and glaucoma subtype.

Main Results:

  • TLR4 rs7037117 polymorphism showed a significant association with increased OAG risk in allelic and recessive models.
  • Several other TLR4 polymorphisms (rs10759930, rs12377632, rs2149356, rs1927911) also demonstrated significant associations with OAG risk under various genetic models.
  • Subgroup analyses suggested that these polymorphisms may increase susceptibility in primary open-angle glaucoma (POAG) patients, particularly in Asian and Mexican populations.

Conclusions:

  • Certain TLR4 polymorphisms may contribute to increased susceptibility to OAG.
  • TLR4 polymorphisms are not yet established as reliable genetic biomarkers for OAG.
  • Larger-scale epidemiological studies are recommended to validate these findings.