Effects of Few-Layer Graphene on Human Bronchial Cells
Author Information
Author(s): Fresegna Anna Maria, Ciervo Aureliano, Ursini Cinzia Lucia, Maiello Raffaele, Tombolini Francesca, Del Frate Valentina, Gentile Marco, Cavallo Delia
Primary Institution: Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers’ Compensation Authority—INAIL
Hypothesis
This study intends to evaluate the potential toxicity of few-layer graphene (FLG) in human bronchial BEAS-2B cells.
Conclusion
Exposure to FLG can induce cytotoxicity, apoptosis, and DNA damage in BEAS-2B cells, particularly at high concentrations.
Supporting Evidence
- FLG exposure increased cell death, apoptosis, and membrane damage at the highest concentration.
- A slight increase in direct DNA damage and oxidative DNA damage was observed at high concentrations.
- FLG did not induce notable cytokine release in the tested cells.
Takeaway
This study found that a type of graphene can harm lung cells, especially when there's a lot of it.
Methodology
BEAS-2B cells were exposed to different concentrations of FLG for 24 hours, and various effects were evaluated including cytotoxicity and DNA damage.
Limitations
The study primarily focuses on in vitro effects, which may not fully represent in vivo responses.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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