Wood Smoke Particle Effects on Lung Epithelial Cell Markers

A collection of experimental results on the effects of Douglas fir wood smoke particles (WSP) on a human bronchial epithelial cell line (BEAS-2B). It measures cellular responses including mRNA expression of pro-inflammatory markers (TNF, IL-6, COX-2, IL-8), gap junction genes (GJA1, GJB2), and levels of PAH metabolizing enzymes (CYP1A1, CYP1B1). The data was generated to investigate mechanisms linking wildfire smoke exposure to adverse lung events.

Use Cases

• Analyze the relationship between WSP concentration (5 μg/mL) and mRNA expression levels of pro-inflammatory markers like TNF and IL-6.
• Investigate the correlation between WSP exposure and the downregulation of gap junction genes GJA1 and GJB2.
• Examine the effect of the compound parthenolide on preventing WSP-induced dysregulation of gap junction activity and TNF mRNA expression.
• Study the upregulation of the growth factor epiregulin in response to WSP as a potential marker for premalignant stages.

Strengths

• Data is derived from a controlled laboratory experiment on a standardized human bronchial epithelial cell line (BEAS-2B).
• Includes measurements for multiple specific biological endpoints (e.g., mRNA levels for 6+ genes, cytokine secretion).
• Results are linked to a specific, noncytotoxic WSP concentration of 5 μg/mL, allowing for dose-response analysis.

Limitations

• The dataset is very small (16.0 KB), indicating limited scope and likely a low number of experimental replicates or conditions.
• Findings are specific to a single cell line (BEAS-2B) and may not generalize to other cell types or in vivo systems.
• Temporal coverage and sample size details (rows, columns) are unknown, limiting statistical power assessment.

Provenance

Source

figshare, authored by Deedee Romo.

Collection Method

Laboratory experiment measuring mRNA expression, cytokine secretion, and gap junction activity in cell cultures exposed to wood smoke particles.

Freshness

Last updated on 2026-03-20.