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Related Experiment Videos

Reference values of amniotic fluid neuron-specific enolase.

A Elimian1, R Figueroa, K Patel

  • 1Department of Obstetrics and Gynecology, New York Medical College, Valhalla, USA. aelimian@mail.som.sunysb.edu

The Journal of Maternal-Fetal Medicine
|July 11, 2001
PubMed
Summary

Neuron-specific enolase (NSE) levels in amniotic fluid remain stable throughout pregnancy. This finding suggests NSE may serve as a potential biomarker for detecting fetal neurological injury.

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Area of Science:

  • Biochemistry
  • Neuroscience
  • Obstetrics

Background:

  • Neuron-specific enolase (NSE) is a cytoplasmic enzyme predominantly found in neuronal tissues.
  • Elevated NSE in serum and CSF indicates neurological injury.
  • Previous observations suggested a link between elevated amniotic fluid NSE and adverse neonatal neurological outcomes.

Purpose of the Study:

  • To establish reference values for neuron-specific enolase (NSE) in amniotic fluid.
  • To determine if amniotic fluid NSE levels correlate with gestational age.

Main Methods:

  • Analysis of 110 amniotic fluid samples across different gestational ages (16-40 weeks).
  • Samples were from women with neonates who had normal neurological examinations or neurosonograms.
  • Descriptive statistics and non-parametric correlations were employed for data analysis.

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Main Results:

  • No significant correlation was found between gestational age and amniotic fluid NSE concentration (p = 0.63).
  • The overall mean NSE level was 2.5 +/- 1.39 microg/l.
  • 95.5% of samples had NSE values below 5 microg/l.

Conclusions:

  • Amniotic fluid NSE levels are stable and do not vary with gestational age.
  • Stable amniotic fluid NSE levels may be a valuable tool for assessing fetal neurological injury.
  • Further research could explore NSE's utility in early detection of neurological complications.