Journal
ATMOSPHERE
Volume 14, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/atmos14030562
Keywords
micronuclei; spirometry; printing office; VOC
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This study aimed to evaluate the respiratory, genotoxic, and cytotoxic effects of occupational exposure to products of typographies, specifically printers, and determine the associated genotoxicity risk. The study included 69 subjects, with 25 occupationally exposed individuals (study group) and 44 non-exposed individuals (reference group). Analysis of oral epithelial cells revealed a significantly higher frequency of micronucleated cells in the study group compared to the reference group. Occupational exposure to typographical products was identified as a risk factor for micronucleated cell occurrence. However, spirometry results did not show significant respiratory effects between the two groups.
This cross-sectional study was structured to allow the evaluation of the respiratory, genotoxic, and cytotoxic effects of occupational exposure to products resulting from the activity of printers in typographies and, to determine the risk of genotoxicity associated with such exposure. This study comprised 69 subjects, 25 individuals occupationally exposed to the products of typographies (study group), and 44 individuals non-exposed to the environment studied (reference group). The frequency of micronucleated cells and other nuclear anomalies (binucleated, karyolitic, pyknotic, and karyorrhectic cells) in the oral epithelia of each subject were analyzed. The frequency of micronucleated cells was significantly higher in the study group when compared to the reference one (12.96 MN/2000 cells vs. 4 MN/2000 cells, respectively). Occupational exposure to products of typography is a risk factor for the occurrence of micronucleated cells in the study group (RR = 3.2; 95% CI, 2.7-3.9; p < 0.001). The results of the spirometry test did not reveal significant respiratory effects between the reference and study groups.
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