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024 7 _ |a 10.1371/journal.pntd.0009425
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024 7 _ |a 1935-2727
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037 _ _ |a DZNE-2026-00091
041 _ _ |a English
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100 1 _ |a Alpuche-Lazcano, Sergio P.
|0 0000-0002-5958-2880
|b 0
245 _ _ |a Profound downregulation of neural transcription factor Npas4 and Nr4a family in fetal mice neurons infected with Zika virus
260 _ _ |a Lawrence, Kan.
|c 2021
|b PLoS
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520 _ _ |a Zika virus (ZIKV) infection of neurons leads to neurological complications and congenital malformations of the brain of neonates. To date, ZIKV mechanism of infection and pathogenesis is not entirely understood and different studies on gene regulation of ZIKV-infected cells have identified a dysregulation of inflammatory and stem cell maintenance pathways. MicroRNAs (miRNAs) are post-transcriptional regulators of cellular genes and they contribute to cell development in normal function and disease. Previous reports with integrative analyses of messenger RNAs (mRNAs) and miRNAs during ZIKV infection have not identified neurological pathway defects. We hypothesized that dysregulation of pathways involved in neurological functions will be identified by RNA profiling of ZIKV-infected fetal neurons. We therefore used microarrays to analyze gene expression levels following ZIKV infection of fetal murine neurons. We observed that the expression levels of transcription factors such as neural PAS domain protein 4 (Npas4) and of three members of the orphan nuclear receptor 4 (Nr4a) were severely decreased after viral infection. We confirmed that their downregulation was at both the mRNA level and at the protein level. The dysregulation of these transcription factors has been previously linked to aberrant neural functions and development. We next examined the miRNA expression profile in infected primary murine neurons by microarray and found that various miRNAs were dysregulated upon ZIKV infection. An integrative analysis of the differentially expressed miRNAs and mRNAs indicated that miR-7013-5p targets Nr4a3 gene. Using miRmimics, we corroborated that miR-7013-5p downregulates Nr4a3 mRNA and protein levels. Our data identify a profound dysregulation of neural transcription factors with an overexpression of miR-7013-5p that results in decreased Nr4a3 expression, likely a main contributor to ZIKV-induced neuronal dysfunction.
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650 _ 7 |a Basic Helix-Loop-Helix Transcription Factors
|2 NLM Chemicals
650 _ 7 |a MicroRNAs
|2 NLM Chemicals
650 _ 7 |a Npas4 protein, mouse
|2 NLM Chemicals
650 _ 7 |a Orphan Nuclear Receptors
|2 NLM Chemicals
650 _ 7 |a RNA, Messenger
|2 NLM Chemicals
650 _ 7 |a Transcription Factors
|2 NLM Chemicals
650 _ 2 |a Animals
|2 MeSH
650 _ 2 |a Basic Helix-Loop-Helix Transcription Factors: genetics
|2 MeSH
650 _ 2 |a Basic Helix-Loop-Helix Transcription Factors: metabolism
|2 MeSH
650 _ 2 |a Cell Line, Tumor
|2 MeSH
650 _ 2 |a Cells, Cultured
|2 MeSH
650 _ 2 |a Down-Regulation
|2 MeSH
650 _ 2 |a Embryo, Mammalian: virology
|2 MeSH
650 _ 2 |a Gene Expression Profiling
|2 MeSH
650 _ 2 |a Mice
|2 MeSH
650 _ 2 |a MicroRNAs: genetics
|2 MeSH
650 _ 2 |a Neurons: metabolism
|2 MeSH
650 _ 2 |a Orphan Nuclear Receptors: genetics
|2 MeSH
650 _ 2 |a Orphan Nuclear Receptors: metabolism
|2 MeSH
650 _ 2 |a RNA, Messenger: genetics
|2 MeSH
650 _ 2 |a Transcription Factors: genetics
|2 MeSH
650 _ 2 |a Transcription Factors: metabolism
|2 MeSH
650 _ 2 |a Zika Virus: pathogenicity
|2 MeSH
650 _ 2 |a Zika Virus Infection: pathology
|2 MeSH
700 1 _ |a Saliba, James
|0 0000-0003-0450-9616
|b 1
700 1 _ |a Costa, Vivian V.
|0 0000-0002-0175-642X
|b 2
700 1 _ |a Campolina-Silva, Gabriel H.
|0 0000-0002-4473-3340
|b 3
700 1 _ |a Marim, Fernanda M.
|0 0000-0002-9778-554X
|b 4
700 1 _ |a Secchim Ribeiro, Lucas
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700 1 _ |a Blank, Volker
|0 0000-0002-7029-2462
|b 6
700 1 _ |a Mouland, Andrew J.
|0 0000-0002-1828-0296
|b 7
700 1 _ |a Teixeira, Mauro M.
|0 0000-0002-6944-3008
|b 8
700 1 _ |a Gatignol, Anne
|0 0000-0002-4553-0836
|b 9
773 _ _ |a 10.1371/journal.pntd.0009425
|g Vol. 15, no. 5, p. e0009425 -
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|y 2021
|x 1935-2727
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