ArticleJournal of virology2024
Comparison of pathogenicity and host responses of emerging porcine reproductive and respiratory syndrome virus variants in piglets.
Article in Journal of virology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 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
5 citing papers in PubMed.
- Protein M of NADC30-like PRRSV induces MARCH6-mediated K33-linked polyubiquitination of SLA-DRA.The Journal of biological chemistry · 2026Article
- Cross-Protection in PRRSV: Mechanisms, Limitations, and Implications for Vaccine Design.Pathogens (Basel, Switzerland) · 2026Review
- Genetic recombination and pathogenicity assessment of porcine reproductive and respiratory syndrome virus 2 strains in China.Frontiers in veterinary science · 2026Article
- Pathogenic and transcriptomic differences among porcine reproductive and respiratory syndrome viruses from distinct lineages in piglets.Veterinary research · 2025Article
- Galectin 3-binding protein suppresses PRRSV replication via Cullin3-mediated ubiquitination degradation of non-structural protein 12.Journal of virology · 2025Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) is a highly variable virus with genetic diversity. This study comparatively examines the pathogenicity and immunological impact of two emergent PRRSV strains, SD53 and HuN4, in piglets. Our results indicate that SD53 strain induces milder clinical syndromes and less severe tissue damage than HuN4, despite similar replication rates. Hematological tests showed less perturbations in peripheral blood cell profiles after SD53 infection, suggesting a less systemic impact. The neutrophil-to-lymphocyte ratio was notably lower in SD53-infected piglets, suggesting a less intense inflammatory reaction. Moreover, SD53 infection led to lower levels of pro-inflammatory cytokines, further supporting a less pronounced inflammatory profile. Both strains induced the production of PRRSV-specific antibodies. However, transcriptomic analysis of lung and lymph node tissues from infected piglets disclosed a more moderate up-regulation of core genes, including IMPORTANCE: The high mutation rate of porcine reproductive and respiratory syndrome virus (PRRSV) poses significant challenges to its accurate diagnosis and the implementation of effective control measures. This research explores the pathogenic profiles of two emerging PRRSV stains: the NADC30-like strain SD53 and the highly pathogenic strain HuN4. Our investigation reveals that SD53 initiates distinct immunopathological responses
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