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Correlation analysis between COX-2 gene polymorphism and eclampsia.

Y-B Song1, M-Y Sun

  • 1Department of Gynaecology and Obstetrics, Linyi Women and Children Hospital, Linyi, China. 272124183@qq.com.

European Review for Medical and Pharmacological Sciences
|August 6, 2019
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Summary
This summary is machine-generated.

Cyclooxygenase-2 (COX-2) expression and specific gene polymorphisms are linked to eclampsia. Certain COX-2 promoter region variations, specifically rs1526172 and rs1245231, correlate with eclampsia incidence, offering potential insights into the condition.

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Area of Science:

  • Obstetrics and Gynecology
  • Molecular Biology
  • Genetics

Background:

  • Eclampsia is a severe pregnancy complication characterized by new-onset hypertension and end-organ dysfunction.
  • Cyclooxygenase-2 (COX-2) plays a role in various physiological and pathological processes, including inflammation and vascular function.

Purpose of the Study:

  • To investigate the expression levels of COX-2 in patients with eclampsia.
  • To explore the association between specific single-nucleotide polymorphisms (SNPs) in the COX-2 gene promoter region and the incidence of eclampsia.

Main Methods:

  • Expression analysis of COX-2 mRNA and protein using RT-PCR, Western blotting, and immunohistochemistry in placental and umbilical cord tissues.
  • Genotyping of COX-2 promoter SNPs (rs1526172, rs1245231, rs2198532) using conformation difference gel electrophoresis.
  • Statistical analysis to assess Hardy-Weinberg equilibrium and correlation between genotypes/alleles and eclampsia incidence.

Main Results:

  • Significantly elevated COX-2 mRNA and protein expression were observed in the eclampsia group compared to the normal pregnancy group (p<0.05).
  • All three analyzed COX-2 gene polymorphisms (rs1526172, rs1245231, rs2198532) were in Hardy-Weinberg equilibrium (p>0.05).
  • Gene association analysis indicated that polymorphisms rs1526172 and rs1245231, along with their respective alleles, were significantly correlated with the incidence of eclampsia (p<0.05), while rs2198532 showed no significant correlation.

Conclusions:

  • Specific COX-2 gene polymorphisms, namely rs1526172 and rs1245231 in the promoter region, are associated with an increased risk of eclampsia.
  • The polymorphism rs2198532 in the COX-2 promoter region does not appear to be correlated with eclampsia incidence.
  • Elevated COX-2 expression in placental and umbilical cord tissues suggests its involvement in the pathophysiology of eclampsia.