ArticleCommunications biology2025
Phytic acid impairs macrophage inflammatory response in Echinococcus multilocularis infection.
Article in Communications biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Adaptation of Echinococcus Multilocularis to Oxidative Stress Depends on EmPDK-Mediated Metabolic Reprogramming.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Polarization of Hepatic Macrophages in Alveolar Echinococcosis and Its Role in Remodeling the Immune Microenvironment.Tropical medicine and infectious disease · 2026Review
- The critical window for host defense: macrophage trogocytosis eliminatesFrontiers in immunology · 2026Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The helminth Echinococcus multilocularis relies on immune evasion strategies to persist within its host. The laminated layer (LL) surrounding the parasite provides physical protection while modulating host immune responses. E. multilocularis' immunomodulatory mechanisms are poorly understood and we explored the role of phytic acid, a known component of E. granulosus sensu lato. We show that phytic acid is also present in E. multilocularis-infected tissue and impairs macrophage inflammation. In vivo, inflammatory macrophages accumulate near the metacestode, yet do not express IL-6, indicating anti-inflammatory modulation. In vitro, phytic acid reduces pro-inflammatory cytokines such as IL-6 and IL-1β by lowering intracellular calcium levels in macrophages. This calcium-chelating effect is mirrored by the anti-inflammatory properties of an E. multilocularis metacestode extract, revealing a protein-independent immune modulation strategy. These findings suggest that phytic acid plays a crucial role in E. multilocularis' ability to suppress host immune responses and supports the parasite's long-term survival.
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Registered trials
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