Homocysteine, endothelin-1 and nitric oxide in patients with hypertensive disorders complicating pregnancy

Yachang Zeng1, Mujun Li1, Yue Chen1

  • 1Department of Gynecology and Obstetrics, The First Affiliated Hospital of Guangxi Medical University Nanning 530021, Guangxi, PR China.

Insights

This study found that higher levels of serum homocysteine (Hcy) and endothelin-1 (ET-1), and lower levels of nitric oxide (NO), are associated with hypertensive disorders of pregnancy (HDCP). Measuring these markers can help assess disease incidence and progression.

Area of Science:

  • Obstetrics and Gynecology
  • Cardiovascular Research
  • Biochemistry

Background:

  • Hypertensive disorders of pregnancy (HDCP) represent a significant complication in gestation.
  • Understanding the biochemical markers associated with HDCP is crucial for effective management.

Purpose of the Study:

  • To investigate the alterations in serum homocysteine (Hcy), endothelin-1 (ET-1), and nitric oxide (NO) levels in patients with HDCP.
  • To determine the clinical significance of these markers in relation to disease severity.

Main Methods:

  • Serum concentrations of Hcy, ET-1, and NO were measured in 239 patients with HDCP (mild and severe preeclampsia) and 200 healthy pregnant women.
  • Assays used included enzymatic cycling for Hcy, ELISA for ET-1, and nitrate reductase for NO.

Main Results:

  • Patients with HDCP exhibited significantly higher serum Hcy and ET-1 levels and lower NO levels compared to controls (P<0.05).
  • Both mild and severe preeclampsia groups showed these significant differences compared to controls.
  • Higher Hcy and ET-1 levels and lower NO levels were observed in severe preeclampsia compared to mild preeclampsia (P<0.05).
  • Serum Hcy and ET-1 positively correlated with disease severity, while NO negatively correlated (P<0.05).

Conclusions:

  • Serum Hcy, ET-1, and NO are significantly associated with the pathogenesis of HDCP.
  • Comprehensive measurement of these biomarkers can effectively evaluate the incidence and progression of HDCP.
Abstract

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