3D Model of Granulomas Induced by Nanomaterials
Author Information
Author(s): Vanesa C Sanchez, Paula Weston, Aihui Yan, Robert H Hurt, Agnes B Kane
Primary Institution: Brown University
Hypothesis
High aspect ratio nanomaterials will induce epithelioid granulomas in nonadherent macrophages in 3D cultures.
Conclusion
High aspect ratio nanomaterials induce epithelioid granulomas in macrophages, correlating with their complex 3D structure.
Supporting Evidence
- Macrophages exposed to high aspect ratio nanomaterials formed stable aggregates resembling granulomas.
- Granuloma formation was evaluated by morphological changes and activation phenotypes of macrophages.
- Induction of both proinflammatory and profibrotic markers was observed in macrophages after exposure.
Takeaway
This study shows that certain tiny materials can make immune cells clump together in a way that looks like a disease, which helps us understand how they might affect our health.
Methodology
Murine bone marrow-derived macrophages were cultured in 3D spheroids and exposed to various nanomaterials to evaluate granuloma formation.
Limitations
The high doses used in vitro may not reflect realistic human exposure conditions.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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