ArticleCell host & microbe2023
SINE RNA of the imprinted miRNA clusters mediates constitutive type III interferon expression and antiviral protection in hemochorial placentas.
Article in Cell host & microbe, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 13 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
13 citing papers in PubMed, 23 citations in OpenAlex.
- Article
- Locust cGAS-like Receptors Recognize Derivatives of a Gypsy Retrotransposon to Synergize with RNAi Against Viral Invasion.Insects · 2026Article
- Repeats mimic pathogen-associated patterns across a vast evolutionary landscape.Cell genomics · 2025Article
- Innate immune responses to pathogens at the maternal-fetal interface.Nature reviews. Immunology · 2025Review
- DUX4-stimulated genes define an antiviral defense program in human placental trophoblasts.The Journal of experimental medicine · 2025Article
- Increased HSD11β1 Expression in Human Leiomyomatous Uteri: Implication for Enhanced Glucocorticoid Signaling.The Journal of clinical endocrinology and metabolism · 2025Article
- ADAR1 as a Placental Innate Immune Rheostat Sustaining the Homeostatic Balance of Intrinsic Interferon Response at the Maternal-Fetal Interface.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- The Chromosome 19 miRNA cluster guards trophoblasts against overacting innate immunity.Communications biology · 2025Article
- Extracellular vesicles: Antiviral functions and applications in therapeutics and vaccines.iScience · 2025Review
- Article
- Direct-Acting Antiviral Agents in Prevention of Maternal-Fetal Transmission of Hepatitis C Virus in Pregnancy.Pathogens (Basel, Switzerland) · 2024Review
- Maternal-fetal cytokine profiles in acute SARS-CoV-2 "breakthrough" infection after COVID-19 vaccination.Frontiers in immunology · 2024Article
- The Molecular Impacts of Retrotransposons in Development and Diseases.International journal of molecular sciences · 2023Review
Corrections and comments
- Erratum issued
Authors and funding
16 authors at 3 institutions in 2 countries.
Funding
Abstract
Hemochorial placentas have evolved defense mechanisms to prevent the vertical transmission of viruses to the immunologically underdeveloped fetus. Unlike somatic cells that require pathogen-associated molecular patterns to stimulate interferon production, placental trophoblasts constitutively produce type III interferons (IFNL) through an unknown mechanism. We demonstrate that transcripts of short interspersed nuclear elements (SINEs) embedded in miRNA clusters within the placenta trigger a viral mimicry response that induces IFNL and confers antiviral protection. Alu SINEs within primate-specific chromosome 19 (C19MC) and B1 SINEs within rodent-specific microRNA cluster on chromosome 2 (C2MC) produce dsRNAs that activate RIG-I-like receptors (RLRs) and downstream IFNL production. Homozygous C2MC knockout mouse trophoblast stem (mTS) cells and placentas lose intrinsic IFN expression and antiviral protection, whereas B1 RNA overexpression restores C2MCΔ/Δ mTS cell viral resistance. Our results uncover a convergently evolved mechanism whereby SINE RNAs drive antiviral resistance in hemochorial placentas, placing SINEs as integral players in innate immunity.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.