ArticleViruses2025
Oncolytic Vaccinia Virus Expressing HSP70 shRNA Exerts Anti-Tumor Effects in Human Ovarian Cancer via Triggering the Autophagy-ROS Feedback Loop and Immune Activation.
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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8 authors.
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Abstract
Heat shock protein 70 (HSP70) represents a promising target for cancer therapy. Oncolytic vaccinia virus (oncoVV) mediates tumor regression through direct oncolysis and immune activation. However, the anti-tumor potential of HSP70-silenced oncoVV (oncoVV-shHSP70) remains unexplored. Here, we demonstrate that oncoVV-shHSP70 achieves superior tumor regression in ovarian cancer models (cell lines, immunodeficient mice and humanized mice) via dual mechanisms including enhancing apoptosis, autophagy flux, ROS generation, and immune reprogramming. Notably, we found that oncoVV-shHSP70 triggers an autophagy-ROS feedback loop that amplifies viral replication and pro-inflammatory cytokine expression. Crucially, in humanized mice, oncoVV-shHSP70 induced spatial redistribution of cytotoxic T cells, expanding tumor-infiltrating hCD8
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