American journal of reproductive immunology (New York, N.Y. : 1989) · 2026
Impact of Gestational Maternal SARS-CoV-2 Infection on Neonatal Inflammatory Biomarkers.
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Amreen Bushra, Milazzo Floriana, Gigase Frederieke, D'souza Darwin, Samper Natalie, Martin Joseph Thomas, Kim-Schulze Seunghee, Lieb Whitney, de Witte Lot D, Bergink Veerle, Chen Jia, Lesseur Corina, Rommel Anna-Sophie
Аннотация
PROBLEM: Since the beginning of the pandemic, millions of pregnant women have been exposed to SARS-CoV-2, eliciting concerns about maternal and fetal sequelae. Yet, the impact of SARS-CoV-2 on the child's immune response remains largely unexplored.
METHOD OF STUDY: Herein, we leverage 833 mother-infant dyads from a New York City-based pregnancy cohort to explore prospective associations between maternal gestational SARS-CoV-2 infection and inflammatory biomarkers in newborns. Of the mothers, 100 were infected with SARS-CoV-2 during pregnancy, as confirmed through self-report, antibody and/or PCR test results. We obtained 92 inflammatory biomarker levels in neonatal dried blood spots (DBS) using the Olink Target 96 Inflammation panel. An empirical Bayes method was used to fit linear regression models to assess the effects of maternal infection during pregnancy on neonatal inflammatory markers at birth. We also conducted stratified analyses by timing of infection in early (<20 weeks) versus late (≥20 weeks) gestation.
RESULTS: Higher levels of 22 inflammatory biomarkers, including CD5, TNFSF14, CD8a, TGF-α, and CD244, were observed in neonates prenatally exposed to SARS-CoV-2 compared to unexposed neonates (padj < 0.05). Early-gestation infection was associated with increased levels of eight inflammatory biomarkers, including TNFSF14, TGF-α and decreased IL-18 levels, while late-gestation infection was linked to elevations in 12 biomarkers, including CD5, CD6, PD-L1.
CONCLUSION: Our results indicate that maternal SARS-CoV-2 infection during pregnancy influences inflammatory biomarkers in newborns, with the timing of infection playing a critical role in determining these immune profiles. Thus, this study emphasizes the need for further research and long-term follow-up to examine future health consequences for the child.
METHOD OF STUDY: Herein, we leverage 833 mother-infant dyads from a New York City-based pregnancy cohort to explore prospective associations between maternal gestational SARS-CoV-2 infection and inflammatory biomarkers in newborns. Of the mothers, 100 were infected with SARS-CoV-2 during pregnancy, as confirmed through self-report, antibody and/or PCR test results. We obtained 92 inflammatory biomarker levels in neonatal dried blood spots (DBS) using the Olink Target 96 Inflammation panel. An empirical Bayes method was used to fit linear regression models to assess the effects of maternal infection during pregnancy on neonatal inflammatory markers at birth. We also conducted stratified analyses by timing of infection in early (<20 weeks) versus late (≥20 weeks) gestation.
RESULTS: Higher levels of 22 inflammatory biomarkers, including CD5, TNFSF14, CD8a, TGF-α, and CD244, were observed in neonates prenatally exposed to SARS-CoV-2 compared to unexposed neonates (padj < 0.05). Early-gestation infection was associated with increased levels of eight inflammatory biomarkers, including TNFSF14, TGF-α and decreased IL-18 levels, while late-gestation infection was linked to elevations in 12 biomarkers, including CD5, CD6, PD-L1.
CONCLUSION: Our results indicate that maternal SARS-CoV-2 infection during pregnancy influences inflammatory biomarkers in newborns, with the timing of infection playing a critical role in determining these immune profiles. Thus, this study emphasizes the need for further research and long-term follow-up to examine future health consequences for the child.