Micronucleus In Exfoliated Buccal Cells Of Crack Users: Systematic Review And Meta-Analysis
Colaborador:
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This research aimed to conduct a systematic review and metanalysis to compare the frequency of cell damage in crack users and non-crack users, through Micronucleous (MN) test in buccal mucosa cells. A comprehensive search was carried out on MEDLINE via PubMeb, Web of Science, LILACS and the grey literature without restrictions. It was included case-control studies that report the frequency of micronuclei in the oral mucosa of adult crack users and non-crack users. A review protocol were registered with PROSPERO (CRD42018115672), and conducted in accordance with the PRISMA guidelines for the report of this systematic review. Furthermore, study quality was evaluated using an adapted Newcastle-Ottawa Scale for cross-sectional studies. The original search yielded 27 references, after eligibility criteria a total of five articles were included. The number of micronuclei was higher in crack users compared to non-crack users. Also, secondary outcomes: binucleated cells, nuclear buds, pyknosis, karyorrhexis and karyolysis had higher prevalence in crack users. Crack use is associated with genotoxic and mutagenic effects because there is a higher frequency of micronuclei in exfoliated cells of crack users. In addition, MN test proved to be an established biomarker to assess the mutagenic impact of crack use in oral epithelium.
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- Alternativa. Revista de Estudios Rurales
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