نتایج جستجو برای: exfoliated buccal epithelial cells
تعداد نتایج: 1440469 فیلتر نتایج به سال:
Smoking has been associated with diseases of the lung, pulmonary airways and oral cavity. Cytologic, genomic and transcriptomic changes in oral mucosa correlate with oral pre-neoplasia, cancer and inflammation (e.g. periodontitis). Alteration of smoking-related gene expression changes in oral epithelial cells is similar to that in bronchial and nasal epithelial cells. Using a systems toxicology...
Wood dust is recognised as a human carcinogen, based on the strong association of wood dust exposure and the elevated risk of malignant tumours of the nasal cavity and paranasal sinuses [sino-nasal cancer (SNC)]. The study aimed to assess genetic damage in workers exposed to wood dust using biomarkers in both buccal and nasal cells that reflect genome instability events, cellular proliferation ...
Exfoliated multinucleated epithelial cells were shown to be present in nasopharyngeal smears from patients with moniliasis, tuberculous lesions, and non-specific chronic inflammations of the nasopharynx. Multinucleated cells found in the nasopharynx were cytologically similar to the so-called measles giant cells. Because of the association of these cells with a number of chronic inflammatory le...
The majority of HIV-1 infections worldwide are acquired via mucosal surfaces. However, unlike the vaginal mucosa, the issue of whether the oral mucosa can act as a portal of entry for HIV-1 infection remains controversial. To address potential differences with regard to the fate of HIV-1 after exposure to oral and vaginal epithelium, we utilized two epithelial cell lines representative of bucca...
Children may be more susceptible to the effects of the environmental exposure and medical treatments than adults; however, limited information is available about the differences in genotoxic effects in children by age, sex and health status. Micronucleus (MN) assay is a well established method of monitoring genotoxicity, and this approach is thoroughly validated for adult lymphocytes by the Hum...
Objectives: To determine the frequency of micronucleated cells and micronuclei in oral submucous fibrosis patients and to compare with healthy individuals. Study design: Twenty patients with oral submucous fibrosis and twenty age-sex-matched healthy individuals as control group participated in this study. Exfoliated cells were obtained by scraping from right and left buccal mucosa and were scre...
The comet assay is a valuable experimental tool aimed at mapping DNA damage in human cells in vivo for environmental and occupational monitoring, as well as for therapeutic purposes, such as storage prior to transplant, during tissue engineering, and in experimental ex vivo assays. Furthermore, due to its great versatility, the comet assay allows to explore the use of alternative cell types to ...
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