Cent Eur J Public Health 2012, 20(1):54-57 | DOI: 10.21101/cejph.a3689

The Influence of Cigarette Smoke on the Selected Bronchoalveolar Cells in Experiment

Marta Hurbánková, Silvia Černá, Milan Beňo, Soňa Wimmerová, Štefánia Moricová
Slovak Medical University in Bratislava, Faculty of Public Health, Laboratory of Respiratory Toxicology, Bratislava, Slovak Republic

The occurence of lung diseases (obstructive, malignant) resulting from smoking has an increasing tendency. The lung is the primary organ at risk from the effects of inhaled cigarette smoke and smoking has been implicated as a contributing factor to the causation of various respiratory diseases. The aim of presented work was to find out the subchronic effect of the 6-month exposure to cigarette smoke on the selected inflammatory and cytotoxic parameters of bronchoalveolar lavage in W rats and thus to contribute to understanding of the mechanism of action of tobacco smoke and/or path mechanism of lung injury developed after cigarette smoking. In special chamber, the animals smoked 8 standard research 1R1 type of cigarettes per day, except Saturdays and Sundays, during 6 months. The daily concentration of total particulate matter (TPM)/m3 air for two hours per exposure requiring to burn eight cigarettes was 85 mg. Animals were sacrificed after the 6-month exposure and bronchoalveolar lavage (BAL) was performed and selected inflammatory and cytotoxic BAL parameters were examined and compared with the control group. Following BAL parameters were investigated: the total cell and alveolar macrophages (AM) count in BAL, the differential cell count (% of AM, % of polymorphonuclears - PMN, % of lymphocytes - Ly), proportion of immature AM, proportion of bi-nucleated cells - BNC, viability, the phagocytic activity of AM, cytokines TNF-α (tumor necrosis factor alpha) and IL-1β (interleukin-1beta).

Conclusion: A) The 6-month smoking of eight cigarettes daily significantly changed prevailing number of examined BAL parameters; B) The presence of inflammatory and cytotoxic responses in lung tissue can probably signalize beginning or developing of disease process.

Klíčová slova: cigarette smoke, bronchoalveolar lavage parameters, inflammatory and cytotoxic bronchoalveolar parameters - cytokines

Vloženo: 19. duben 2011; Revidováno: 9. leden 2012; Přijato: 9. leden 2012; Zveřejněno: 1. březen 2012  Zobrazit citaci

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Hurbánková M, Černá S, Beňo M, Wimmerová S, Moricová Š. The Influence of Cigarette Smoke on the Selected Bronchoalveolar Cells in Experiment. Cent Eur J Public Health. 2012;20(1):54-57. doi: 10.21101/cejph.a3689. PubMed PMID: 22571018.
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