ArticleVirulence2024
Porcine reproductive and respiratory syndrome virus infects the reproductive system of male piglets and impairs development of the blood-testis barrier.
Article in Virulence, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Article
- Commensal Microbiota and Reproductive Health in Livestock: Mechanisms, Cross-System Crosstalk, and Precision Strategies.Animals : an open access journal from MDPI · 2026Review
- Melatonin Rescues Heat Stress-Induced Suppression of TCA Cycle and Mitochondrial Damage in Goat Sertoli Cells.International journal of molecular sciences · 2025Article
- Integrated Transcriptomic and Metabolomic Analysis Reveals Regulatory Effects of Fermented Chinese Chive on Early Testicular Development in Piglets.Antioxidants (Basel, Switzerland) · 2025Article
- Hyperoside inhibits PRRSV proliferation via the TLR4/NF-κB and p62-Nrf2-Keap1 signaling pathways, mediating inflammation and autophagy.Microbiology spectrum · 2025Article
- Article
- Baicalin Alleviates Piglet Immunosuppression Induced byBiomolecules · 2025Article
- Porcine Reproductive and Respiratory Syndrome Virus Prevalence and Pathogenicity of One NADC34-like Virus Isolate Circulating in China.Microorganisms · 2025Article
- A Comprehensive Review on Porcine Reproductive and Respiratory Syndrome Virus with Emphasis on Immunity.Vaccines · 2024Review
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) causes a highly contagious disease that threatens the global swine industry. Recent studies have focused on the damage that PRRSV causes to the reproductive system of male pigs, although pathological research is lacking. Therefore, we examined the pathogenic mechanisms in male piglets infected with PRRSV. Gross and histopathological changes indicated that PRRSV affected the entire reproductive system, as confirmed via immunohistochemical analysis. PRRSV infected Sertoli cells and spermatogonia. To test the new hypothesis that PRRSV infection in piglets impairs blood - testis barrier (BTB) development, we investigated the pathology of PRRSV damage in the BTB. PRRSV infection significantly decreased the quantity and proliferative capacity of Sertoli cells constituting the BTB. Zonula occludens-1 and β-catenin were downregulated in cell - cell junctions. Transcriptome analysis revealed that several crucial genes and signalling pathways involved in the growth and development of Leydig cells, Sertoli cells, and tight junctions in the testes were downregulated. Apoptosis, necroptosis, inflammatory, and oxidative stress-related pathways were activated, whereas hormone secretion-related pathways were inhibited. Many Sertoli cells and spermatogonia underwent apoptosis during early differentiation. Infected piglets exhibited disrupted androgen secretion, leading to significantly reduced testosterone and anti-Müllerian hormone levels. A cytokine storm occurred, notably upregulating cytokines such as tumour necrosis factor-α and interleukin-6. Markers of oxidative-stress damage (i.e. H
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