ArticlePloS one2023
Infection of the maternal-fetal interface and vertical transmission following low-dose inoculation of pregnant rhesus macaques (Macaca mulatta) with an African-lineage Zika virus.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 14 citations in OpenAlex.
- Evaluation of a Zika virus-like particle-based vaccine in a highly penetrant non-human primate model of congenital infection.PLoS neglected tropical diseases · 2026Article
- Interferon lambda signaling to maternal dendritic cells protects against congenital Zika virus infection.bioRxiv : the preprint server for biology · 2026Article
- Zika Virus: A Tale of Two Lineages.Pathogens (Basel, Switzerland) · 2025Review
- A Zika Virus-Like Particle Vaccine Mitigates Early Pregnancy Loss In Rhesus Macaques.bioRxiv : the preprint server for biology · 2025Article
- Zika virus-induced fetal demise is triggered by strain- and dose-specific RLR-driven activation of the interferon response in the decidua, placenta, and fetus inJournal of virology · 2025Article
- Role of non-human primate models in accelerating research and developing countermeasures against Zika virus infection.The Lancet. Microbe · 2025Review
- Article
- In vitro differentiation of macaque extravillous trophoblasts in a low oxygen environment.Placenta · 2025Article
- Emerging and reemerging infectious diseases: global trends and new strategies for their prevention and control.Signal transduction and targeted therapy · 2024Review
- Fetal Zika virus inoculation in macaques revealed control of the fetal viral load during pregnancy.Virology journal · 2024Article
- Trade-offs shaping transmission of sylvatic dengue and Zika viruses in monkey hosts.Nature communications · 2024Article
- Decidual leukocytes respond to African lineage Zika virus infection with mild anti-inflammatory changes during acute infection in rhesus macaques.Frontiers in immunology · 2024Article
- Mechanisms of Formation of Antibodies against Blood Group Antigens That Do Not Exist in the Body.International journal of molecular sciences · 2023Article
- Vertical transmission of African-lineage Zika virus through the fetal membranes in a rhesus macaque (Macaca mulatta) model.PLoS pathogens · 2023Article
- Control of maternal Zika virus infection during pregnancy is associated with lower antibody titers in a macaque model.Frontiers in immunology · 2023Article
Corrections and comments
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Authors and funding
15 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundCongenital Zika virus (ZIKV) infection can result in birth defects, including malformations in the fetal brain and visual system. There are two distinct genetic lineages of ZIKV: African and Asian. Asian-lineage ZIKVs have been associated with adverse pregnancy outcomes in humans; however, recent evidence from experimental models suggests that African-lineage viruses can also be vertically transmitted and cause fetal harm. METHODOLOGY/PRINCIPAL
findingsTo evaluate the pathway of vertical transmission of African-lineage ZIKV, we inoculated nine pregnant rhesus macaques (Macaca mulatta) subcutaneously with 44 plaque-forming units of a ZIKV strain from Senegal, (ZIKV-DAK). Dams were inoculated either at gestational day 30 or 45. Following maternal inoculation, pregnancies were surgically terminated seven or 14 days later and fetal and maternal-fetal interface tissues were collected and evaluated. Infection in the dams was evaluated via plasma viremia and neutralizing antibody titers pre- and post- ZIKV inoculation. All dams became productively infected and developed strong neutralizing antibody responses. ZIKV RNA was detected in maternal-fetal interface tissues (placenta, decidua, and fetal membranes) by RT-qPCR and in situ hybridization. In situ hybridization detected ZIKV predominantly in the decidua and revealed that the fetal membranes may play a role in ZIKV vertical transmission. Infectious ZIKV was detected in the amniotic fluid of three pregnancies and one fetus had ZIKV RNA detected in multiple tissues. No significant pathology was observed in any fetus; and ZIKV did not have a substantial effect on the placenta. CONCLUSIONS/SIGNIFICANCE: This study demonstrates that a very low dose of African-lineage ZIKV can be vertically transmitted to the macaque fetus during pregnancy. The low inoculating dose used in this study suggests a low minimal infectious dose for rhesus macaques. Vertical transmission with a low dose in macaques further supports the high epidemic potential of African ZIKV strains.
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