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Research purpose <p>The purpose of this research was to detect <i>Cytomegalovirus</i> (<i>CMV</i>) virulence genes and identify their strains among a cohort of pregnant women attending antenatal clinics within Bauchi metropolis, Nigeria. The absence of <i>CMV</i> control measures in antenatal care in the study area and many communities around the globe, as well as the unavailability of vaccines, pose a significant threat to maternal and fetal health.</p> Materials and methods <p>The study was cross-sectional and retrospective among a cohort of pregnant women receiving antenatal care in primary, secondary, and tertiary healthcare facilities within Bauchi Metropolis, Nigeria. Plasma samples from 118 women who were positive for CMV IgM from ELISA were used for molecular analysis via polymerase chain reaction (PCR). The DNA of each sample was extracted via the Qiagen Extraction Protocol (DNeasy Blood and Tissue Kit, Quick Start protocol, 2016) and used for amplification of 6 target genes, namely, UL 55, UL73, UL74, UL75, UL100, and UL115 respectively.</p> Results <p>Three genes, UL55, which codes for gB(27); UL115, which codes for gL(15); and UL73, which codes for gN(10), were detected among 52 women. The gB strain had the highest occurrence among the women, whereas the gN strain had the lowest.</p> Conclusion <p>The <i>CMV</i> gB, gL, and gN strains are endemic to the Bauchi metropolis. The gB strain with the highest occurrence rate was likely more infectious than the other strains were, whereas the gL strain confirmed previous reports linking it with a common strain during pregnancy. Therefore, the gB and gL strains are likely threats to maternal and fetal health.</p>

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Molecular surveillance of Cytomegalovirus strains in maternal and fetal health within Bauchi metropolis Nigeria

  • 期刊论文

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  • 发表日期：

    2025年12月17日

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  • Timothy Waje,
  • Mahmud Yerima Iliyasu,
  • Ahmed Faruk Umar,
  • Ediga B. Agbo

摘要

Research purpose

The purpose of this research was to detect Cytomegalovirus (CMV) virulence genes and identify their strains among a cohort of pregnant women attending antenatal clinics within Bauchi metropolis, Nigeria. The absence of CMV control measures in antenatal care in the study area and many communities around the globe, as well as the unavailability of vaccines, pose a significant threat to maternal and fetal health.

Materials and methods

The study was cross-sectional and retrospective among a cohort of pregnant women receiving antenatal care in primary, secondary, and tertiary healthcare facilities within Bauchi Metropolis, Nigeria. Plasma samples from 118 women who were positive for CMV IgM from ELISA were used for molecular analysis via polymerase chain reaction (PCR). The DNA of each sample was extracted via the Qiagen Extraction Protocol (DNeasy Blood and Tissue Kit, Quick Start protocol, 2016) and used for amplification of 6 target genes, namely, UL 55, UL73, UL74, UL75, UL100, and UL115 respectively.

Results

Three genes, UL55, which codes for gB(27); UL115, which codes for gL(15); and UL73, which codes for gN(10), were detected among 52 women. The gB strain had the highest occurrence among the women, whereas the gN strain had the lowest.

Conclusion

The CMV gB, gL, and gN strains are endemic to the Bauchi metropolis. The gB strain with the highest occurrence rate was likely more infectious than the other strains were, whereas the gL strain confirmed previous reports linking it with a common strain during pregnancy. Therefore, the gB and gL strains are likely threats to maternal and fetal health.