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Comparison of Autophagy mRNA Expression between Chronic Otitis Media With and Without Cholesteatoma
Journal of Audiology & Otology ; : 191-197, 2020.
Article | WPRIM | ID: wpr-835573
ABSTRACT
Background and Objectives@#Autophagy is known to be associated with pathogen infection. However, the expression of autophagy-related proteins has not been studied in chronic otitis media without cholesteatoma (COM) or with cholesteatoma (CholeOM). This study aimed to determine whether there is a difference between COM and CholeOM in autophagy-related gene mRNA expression. @*Subjects and Methods@#For 47 patients with chronic otitis media, the inflammatory tissues were classified into granulation tissue (COM) or cholesteatoma (CholeOM) according to biopsy results. @*Results@#PI3K mRNA expression (COM vs. CholeOM, mean±SD, 0.009±0.010 vs. 0.003±0.004; p=0.004) was lower, whereas Beclin-1 mRNA expression (0.089±0.107 vs. 0.176±0.163; p=0.034) was higher in the CholeOM group. Expression of PI3K mRNA in the CholeOM group was lower than that in the COM subgroups with presence of bacteria (0.022±0.019 vs. 0.001±0.001; p=0.001), otorrhea (0.049±0.068 vs. 0.003±0.004; p=0.004), and hearing loss over 40 dB (0.083±0.130 vs. 0.003±0.004; p=0.005). @*Conclusions@#The data suggested that different autophagy proteins play important roles in chronic otitis media according to the presence or absence of cholesteatoma.
Full text: Available Index: WPRIM (Western Pacific) Journal: Journal of Audiology & Otology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Journal: Journal of Audiology & Otology Year: 2020 Type: Article