Role of Lysosomal Proteins in Toxicity Associated with Morphology of (Nano)Fibers
By
Rico Ledwith
Carla Ribalta
Mario Pink
Andrea Haase
Verónica I. Dumit
July 14, 2026
Clinical Scorecard: Role of Lysosomal Proteins in Toxicity Associated with Morphology of (Nano)Fibers
At a Glance
Category Detail
Condition Toxicity associated with inhalation of critical fibers Key Mechanisms Frustrated phagocytosis leading to chronic inflammation and potential cancer development Target Population Individuals exposed to respirable fibers, including asbestos and nanofibers Care Setting Toxicological research and safety evaluations
Key Highlights
Frustrated phagocytosis is a key mechanism in fiber toxicity. Critical fibers are defined by specific morphological criteria. Carbon nanotubes may exhibit asbestos-like pathogenicity. NLRP3 inflammasome activation is linked to macrophage response to fibers. Comprehensive safety evaluations are needed for nanofibers. Guideline-Based Recommendations
Diagnosis
Evaluate fiber morphology and biopersistence for health risk assessment. Management
Implement safety evaluations for exposure to critical fibers. Monitoring & Follow-up
Monitor inflammatory responses and biomarkers in exposed populations. Risks
Inhalation of critical fibers can lead to fibrosis, lung cancer, and malignant pleural mesothelioma. Patient & Prescribing Data
Individuals exposed to critical fibers in occupational or environmental settings.
Current testing strategies rely on animal models; new methodologies are needed.
Clinical Best Practices
Adopt the 3Rs principles to reduce animal testing in fiber toxicity assessments. Focus on developing predictive in vitro biomarkers for fiber exposure. Related Resources & Content
