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Potential Biomarkers for Predicting Congenital Cytomegalovirus Infection

Kenji Tanimura1, Hideto Yamada2

  • 1Department of Obstetrics and Gynecology, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan. kobeobgy@med.kobe-u.ac.jp.

International Journal of Molecular Sciences
|November 30, 2018
PubMed

Insights

Early detection of congenital cytomegalovirus (CMV) infection is crucial for infant neurological outcomes. Cervical secretions show promise for predicting CMV in newborns, outperforming traditional serological screening.

Area of Science:

  • Virology
  • Neonatalogy
  • Obstetrics

Background:

  • Congenital cytomegalovirus (CMV) infection poses a risk to infant neurological development.
  • Early diagnosis and intervention are critical for improving outcomes in affected newborns.
  • Prenatal detection of high-risk infants is essential for timely management.

Purpose of the Study:

  • To review current knowledge on biomarkers for predicting congenital CMV infection.
  • To evaluate the efficacy of different diagnostic methods for intrauterine CMV.
  • To highlight novel predictive markers for congenital CMV.

Main Methods:

  • Review of current literature on congenital CMV diagnostic techniques.
  • Analysis of polymerase chain reaction (PCR) assays in amniotic fluid.
  • Evaluation of CMV DNA in maternal cervical secretions as a predictive biomarker.
  • Assessment of maternal serological markers including CMV-specific immunoglobulin G (IgG), IgG avidity index, and CMV-specific IgM.

Main Results:

  • Polymerase chain reaction (PCR) assay for CMV DNA in amniotic fluid is the gold standard but invasive.
  • CMV DNA in maternal cervical secretions can predict congenital CMV in CMV immunoglobulin M (IgM)-positive pregnant women.
  • Maternal serological screening (CMV-specific IgG, IgG avidity, CMV-specific IgM) may miss cases of congenital CMV infection.
  • Cervical secretion analysis offers a non-invasive alternative for predicting congenital CMV.

Conclusions:

  • Non-invasive biomarkers, such as CMV DNA in cervical secretions, are promising for predicting congenital CMV infection.
  • Traditional serological screening methods may not be sufficiently sensitive for identifying all at-risk newborns.
  • Further research into non-invasive prenatal screening methods is warranted to improve early diagnosis and outcomes for congenital CMV.

Keywords:
biomarkercongenital infectioncytomegaloviruspredictionscreening

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