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Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
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Correlation between MMP-2 gene polymorphism and cataract susceptibility.

Y Dong1, G-Y Mu, F Chen

  • 1Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China. 13606320866@163.com.

European Review for Medical and Pharmacological Sciences
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Matrix metalloproteinase-2 (MMP-2) gene rs243865 polymorphism is linked to cataract development. Elevated inflammatory factors were also observed in cataract patients, suggesting a connection between inflammation and cataract incidence.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Immunology

Background:

  • Cataract is a leading cause of vision impairment globally.
  • Inflammatory processes and genetic factors are implicated in cataractogenesis.
  • Matrix metalloproteinase-2 (MMP-2) plays a role in tissue remodeling and inflammation.

Purpose of the Study:

  • To examine the association between MMP-2 gene polymorphism (rs243865) and cataract.
  • To investigate the relationship between specific inflammatory factors and cataract.

Main Methods:

  • A case-control study involving 104 cataract patients and 100 healthy controls.
  • Measurement of inflammatory markers: interleukin-6 (IL-6), IL-1β, C-reactive protein (CRP), and tumor necrosis factor-1α (TNF-1α).
  • Genotyping of MMP-2 rs243865 polymorphism using TaqMan-MGB probe technology.

Main Results:

  • Cataract patients exhibited significantly higher levels of IL-6, IL-1β, CRP, and TNF-1α compared to controls (p<0.05).
  • Significant differences in MMP-2 rs243865 genotype and allele frequencies were found between the groups (p<0.05).
  • The additive genetic model showed a significant association (p<0.05), while recessive and dominant models did not.

Conclusions:

  • Cataract is associated with elevated inflammatory factors.
  • The rs243865 polymorphism of the MMP-2 gene is correlated with cataract incidence.
  • These findings suggest a potential genetic and inflammatory basis for cataract development.