ArticleViruses2025
Cardiac Tissue Damage in a Female Animal Post-COVID Model: Relevance of Chemokine-Mediated Inflammation.
Article in Viruses, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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7 authors.
Funding
Abstract
Post-COVID cardiac complications have emerged as a significant and persistent clinical concern, yet their underlying mechanisms remain poorly understood. Animal models can act as proxies to investigate the pathophysiology of the human, post-acute sequelae of SARS-CoV-2 infection (PASC). The aim of this experimental study was to evaluate the expression of inflammatory biomarkers in cardiac tissue 28 days after SARS-CoV-2 infection in a female hACE2 mouse model, with a focus on chemokine-mediated immune activation. Twelve female C57BL/6 hACE2 mice were infected with the Omicron variant (BA.1.17 lineage) of SARS-CoV-2, and eleven non-infected mice served as controls. Cardiac tissue was analyzed via Western blot for markers of innate immune activation (TLR4, MyD88, NF-κB) and pro-inflammatory cytokines (IL-6, IL-18, IL-1β, TNF-α, CD11d). Cardiac tissue injury markers (iNOS, PAI-1 and Connexin43) were also analyzed. Compared to non-infected mice, cardiac tissue from infected mice showed significantly higher expression of IL-6 (
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