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Differential in Vivo Effects of Whole Cigarette Smoke Exposure Versus Cigarette Smoke Extract on Mouse Ciliated Tracheal Epithelium

Overview
Journal Exp Lung Res
Publisher Informa Healthcare
Specialty Pulmonary Medicine
Date 2006 Jun 7
PMID 16754475
Citations 25
Authors
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Abstract

In this study the authors compared the affect of vapor phase cigarette smoke (CS) versus cigarette smoke extract (CSE) on the lungs and upper airway of C57BL/6 mice. The authors found that CSE treatment significantly increased neutrophil influx (P < .001), baseline ciliary beat frequency (CBF) (P < .05), and protein kinase C activity compared to CS and controls. Isoproterenol increased CBF with CS exposure, but decreased CBF with CSE (P < .01). Isoproterenol increased protein kinase A (PKA) activity in all groups except CSE. CSE exposure induced inflammatory cell bronchiolitis. These data indicate that CSE exposure has differential effects on the lungs and tracheal epithelium compared to CS exposure.

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