ArticleGenetics and molecular biology2025
Oral microbiota dysbiosis in pediatric patients undergoing treatment for acute lymphoid leukemia a preliminary study.
Article in Genetics and molecular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Acute lymphoblastic leukemia (ALL) stands out as the most prevalent neoplasm during childhood, characterized by the rapid production of abnormal lymphoid cells. Chemotherapy administered to these patients may induce a substantial imbalance in the oral microbiota. A prospective pediatric study encompassing a control group (without ALL) and ALL patients at two treatment stages (pre-induction and consolidation) was conducted. Clinical and laboratory data were meticulously collected. Moreover, DNA from saliva samples was extracted for 16S rRNA sequencing. Clinical data revealed a heightened incidence of oral mucositis during the consolidation phase. Analysis of alpha biodiversity (observed taxa) exhibited a significant reduction in bacterial richness among patients in the consolidation phase. Network analysis identified key taxa during this phase, namely Neisseria flavescens, Prevotella melaninogenica and Porphyromonas. The findings underscore the substantial impact of ALL treatment on the oral microbiota composition, indicating diminished bacterial diversity and an elevated prevalence of oral mucositis.
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