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Introduction: The severity of virally induced prenatal brain injury, even among dizygotic twins, varies according to individual and maternal risk and protective factors, including genomics.

Objective: This scoping review aims to analyze data on genetic susceptibility to neurological outcomes in children exposed in utero to Zika virus.

Methods: We followed JBI methodology for this scoping review.

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An Overview of Zika Virus and Zika Virus Induced Neuropathies.

Int J Mol Sci

December 2024

Department of Entomology, Pennsylvania State University, University Park, PA 16802, USA.

Flaviviruses pose a major public health concern across the globe. Among them, Zika virus (ZIKV) is an emerging and reemerging arthropod-borne flavivirus that has become a major international public health problem following multiple large outbreaks over the past two decades. The majority of infections caused by ZIKV exhibit mild symptoms.

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We report a case of Zika virus (ZIKV) infection in a pregnant woman from Denmark who traveled to Thailand during her first trimester. Late in the second trimester, severe microcephaly was diagnosed in the fetus, and ZIKV infection was confirmed. Travelers and clinicians should be aware of ongoing ZIKV risk in Thailand.

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The Zika virus NS5 protein binds HSP90 to suppress EGF-induced Akt signaling and trophoblast cell migration.

Virology

December 2024

Department of Immunology, Center for Innate Immunity and Immune Disease, School of Medicine, University of Washington, Seattle, USA; Department of Global Health, University of Washington, Seattle, WA, USA; Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN, USA; Institute on Infectious Diseases, University of Minnesota, Minneapolis, MN, USA. Electronic address:

Zika virus (ZIKV) infection during pregnancy can cause congenital Zika virus syndrome (CZV), including fetal growth restriction and death. In the developing placenta, trophoblast cells respond to epidermal growth factor (EGF) to migrate into the decidua to facilitate implantation and fetal development. EGF activates the Akt protein kinase, a master regulator of trophoblast cell migration.

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A low pre-existing anti-NS1 humoral immunity to DENV is associated with microcephaly development after gestational ZIKV exposure.

PLoS Negl Trop Dis

January 2025

División de Inmunología, Programa de Medicina, Facultad de Ciencias de la Salud, Universidad Surcolombiana, Neiva, Huila, Colombia.

Background: Gestational Zika virus (ZIKV) infection is associated with the development of congenital Zika syndrome (CZS), which includes microcephaly and fetal demise. The magnitude and quality of orthoflavivirus-specific humoral immunity have been previously linked to the development of CZS. However, the role of ZIKV NS1-specific humoral immunity in mothers and children with prenatal ZIKV exposure and CZS remains undefined.

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