Key result
Ethanol (100 mM) treatment of bovine bronchial epithelial cells for 1 h increased PKA activity threefold over unstimulated controls, whereas long-term exposure downregulated it.
Why the study?
Does ethanol treatment alter PKA activity and ciliary beat frequency in bovine bronchial epithelial cells?
Population
Bovine bronchial epithelial cells (BBEC)
Comparison
Ethanol treatment for 0-72 hours vs Unstimulated controls
Design
Preclinical
Follow-up
Up to 72 hours
Authors
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May desensitize airway epithelium to PKA stimuli after chronic ethanol; leaves open relevance to alcohol-related mucociliary impairment in vivo.
Does ethanol treatment alter PKA activity and ciliary beat frequency in bovine bronchial epithelial cells?
Long-term ethanol exposure downregulates PKA activity and ciliary beat frequency in bovine bronchial epithelial cells, desensitizing them to PKA-activating agents.
Wyatt et al. (2001) studied this question. Ethanol (EtOH) vs. unstimulated controls was evaluated on PKA activity. Ethanol (100 mM) treatment of bovine bronchial epithelial cells for 1 h increased PKA activity threefold over unstimulated controls, whereas long-term exposure downregulated it.
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