Retrospective immunohistochemical analysis of human cytomegalovirus infection in the placenta and its association with fetal growth restriction

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Abstract

Objectives: Fetal human cytomegalovirus (HCMV) infection might be involved in fetal growth restriction (FGR). Maternal serostatus and the prevalence of congenital HCMV infection are affected by various factors, such as socioeconomic status and ethnicity. Therefore, the prevalence of congenital HCMV-related FGR should be examined in each region. Methods: Seventy-eight cases of FGR with delivery between January 2012 and January 2017 at Fujita Health University Hospital were studied. Twenty-one non-FGR cases were also included as a control group. Placental sections obtained from the FGR and control cases were immunostained with two primary antibodies for detecting immediate early antigens. Results: Nineteen placental samples from FGR cases with another etiology were excluded. Finally, 59 placental samples from FGR cases of unknown etiology were included in the pathological analysis. Four of 59 (6.8%) placental samples were positive for HCMV antigen. All four positive cases were stained with the M0854 antibody, and there were no positive case with the MAB810R antibody. Neither maternal nor infantile clinical features were different between the HCMV-positive and-negative FGR cases. A pathological examination showed a hematoma in three of four cases and infarction in two of four cases. Conclusions: HCMV antigen was detected in 6.8% of placental samples obtained from FGR cases without an obvious etiology. No remarkable maternal or neonatal clinical features discriminated HCMV-related FGR from FGR due to other causes. Vasculitis and inflammation might play important roles in the pathogenesis of HCMV-related FGR.

Original languageEnglish
Pages (from-to)90-94
Number of pages5
JournalFujita medical journal
Volume9
Issue number2
DOIs
Publication statusPublished - 2023

All Science Journal Classification (ASJC) codes

  • General Medicine
  • General Health Professions

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