期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 24, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/ijms24087307
关键词
sudden sensorineural hearing loss; microRNAs; serum
Sudden sensorineural hearing loss (SSNHL) is an acquired idiopathic hearing loss. This study aimed to determine if the differential expression of miRNAs persists in SSNHL patients within 1 month of hearing loss onset compared to patients 3-12 months after hearing loss onset. The study found no significant difference in miRNA expression levels, hearing recovery status, and initial and final affected ear PTA audiometric thresholds between the two groups.
Sudden sensorineural hearing loss (SSNHL) is an acquired idiopathic hearing loss. Serum levels of small, non-coding RNAs and microRNAs (miRNAs) miR-195-5p/-132-3p/-30a-3p/-128-3p/-140-3p/-186-5p/-375-3p/-590-5p are differentially expressed in SSNHL patients within 28 days of hearing loss onset. This study determines if these changes persist by comparing the serum miRNA expression profile of SSNHL patients within 1 month of hearing loss onset with that of patients 3-12 months after hearing loss onset. We collected serum from consenting adult SSNHL patients at presentation or during clinic follow-up. We matched patient samples drawn 3-12 months after hearing loss onset (delayed group, n = 9 patients) by age and sex to samples drawn from patients within 28 days of hearing loss onset (immediate group, n = 14 patients). We compared the real-time PCR-determined expression levels of the target miRNAs between the two groups. We calculated the air conduction pure-tone-averaged (PTA) audiometric thresholds in affected ears at the initial and final follow-up visits. We undertook inter-group comparisons of hearing outcome status and initial and final PTA audiometric thresholds. There was no significant inter-group difference in miRNA expression level, hearing recovery status and initial and final affected ear PTA audiometric thresholds.
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