期刊
ALLERGY ASTHMA AND CLINICAL IMMUNOLOGY
卷 9, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1710-1492-9-48
关键词
Staphylococcus aureus enterotoxin B; Chronic rhinosinusitis and nasal polyps; DNA methylation; MBD2; Whole genome methylation analysis; Hypermethylation
Staphylococcal enterotoxins may influence the pro-inflammatory pattern of chronic sinus diseases via epigenetic events. This work intended to investigate the potential of staphylococcal enterotoxin B (SEB) to induce changes in the DNA methylation pattern. Nasal polyp tissue explants were cultured in the presence and absence of SEB; genomic DNA was then isolated and used for whole genome methylation analysis. Results showed that SEB stimulation altered the methylation pattern of gene regions when compared with non stimulated tissue. Data enrichment analysis highlighted two genes: the IKBKB and STAT-5B, both playing a crucial role in T- cell maturation/activation and immune response.
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