Cited by 731Mosquito-borne diseases and controlNeurogenesis and neuroplasticity mechanismsNeuroinflammation and Neurodegeneration Mechanisms

Zika Virus Depletes Neural Progenitors in Human Cerebral Organoids through Activation of the Innate Immune Receptor TLR3

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Dang, Jason, Tiwari, Shashi Kant, Lichinchi, Gianluigi, Qin, Yue, Patil, Veena S., Eroshkin, Alexey M., Rana, Tariq M.·2016·Cell Stem Cell

Abstract

Emerging evidence from the current outbreak of Zika virus (ZIKV) indicates a strong causal link between Zika and microcephaly. To investigate how ZIKV infection leads to microcephaly, we used human embryonic stem cell-derived cerebral organoids to recapitulate early stage, first trimester fetal brain development. Here we show that a prototype strain of ZIKV, MR766, efficiently infects organoids and causes a decrease in overall organoid size that correlates with the kinetics of viral copy number. The innate immune receptor Toll-like-Receptor 3 (TLR3) was upregulated after ZIKV infection of human organoids and mouse neurospheres and TLR3 inhibition reduced the phenotypic effects of ZIKV infection. Pathway analysis of gene expression changes during TLR3 activation highlighted 41 genes also related to neuronal development, suggesting a mechanistic connection to disrupted neurogenesis. Together, therefore, our findings identify a link between ZIKV-mediated TLR3 activation, perturbed cell fate, and a reduction in organoid volume reminiscent of microcephaly.

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Crossref · 10.1016/j.stem.2016.04.014

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  • Forebrain organoid studies revealed cell-specific viral tropism, selective effects on neural progenitor cell proliferation, and upregulation of the innate immune receptor TLR3 after Zika virus infection.

    “Further studies used forebrain organoids to reveal cell-specific viral tropism, selective effects on NPC proliferation5, and upregulation of the innate immune receptor Toll-like receptor 3 (TLR3) after ZIKV infection71.”
  • Pathway analysis of gene expression changes during TLR3 activation highlighted genes related to neuronal development, suggesting a mechanistic link to disrupted neurogenesis.

    “Pathway analysis of gene expression changes during TLR3 activation highlighted several genes related to neuronal development, suggesting a mechanistic connection to disrupted neurogenesis.”

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  1. Driggers RW Ho CY Korhonen EM Kuivanen S Jaaskelainen AJ Smura T Rosenberg A Hill DA DeBiasi RL Vezina G Zika Virus Infection with Prolonged Maternal Viremia and Fetal Brain Abnormalities N Engl J Med 2016b 27028667

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Authors
Dang, J., Tiwari, S. K., Lichinchi, G., Qin, Y., Patil, V. S., Eroshkin, A. M., & Rana, T. M.
Affiliations
  • University of California San Diego (US)
  • Sanford Burnham Prebys Medical Discovery Institute (US)
Corresponding author
Rana, Tariq M.
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2016-08
Volume
19
Issue
2
Pages
258-265
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W2346484133
Cited by
731
References
38
Citations by year
2026: 23 · 2025: 34 · 2024: 54 · 2023: 50 · 2022: 62 · 2021: 98 · 2020: 66 · 2019: 77 · 2018: 109 · 2017: 103 · 2016: 55
FWCI
113.69
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute on Drug Abuse (DP1DA039562)
  • National Cancer Institute (P30CA030199)
  • National Institute of Allergy and Infectious Diseases (R01AI043198, R21AI125103)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mosquito-borne diseases and control
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Zika virus, brain organoids, TLR3, innate immunity, neural progenitor cells, microcephaly, neurogenesis, embryonic stem cells, neurospheres
MeSH terms
Zika Virus Infection, Zika Virus, Animals, Cell Differentiation, Fetus, Humans, Immunity, Innate, Organoids, RNA, Apoptosis, Toll-Like Receptor 3, Mice, Cerebrum, Neurogenesis, Neural Stem Cells

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