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Research Progress on Non-coding RNAs in Cholesteatoma of the Middle Ear
Dongliang Liu,Hang Zhang,Xiulan Ma,Yaodong Dong 대한이비인후과학회 2023 Clinical and Experimental Otorhinolaryngology Vol.16 No.2
Cholesteatoma of the middle ear is a common disease in otolaryngology that is receiving increasing attention. It is estimat-ed that over five million people around the world have suffered from middle ear cholesteatoma. The annual incidence ofmiddle ear cholesteatoma has been reported to be 9.2 per 100,000 in adults and 3 per 100,000 in children. Without timelydiscovery and intervention, cholesteatomas can become perilously large and damage intratemporal structures, causing vari-ous intracranial and extracranial complications. No practical nonsurgical treatments are currently available. Although multi-ple hypotheses exist, research directions have consistently focused on cell proliferation, apoptosis, and bone destruction. Non-coding RNAs (ncRNAs), especially microRNAs (miRNAs), long ncRNAs (lncRNAs), and circular RNAs (circRNAs),have recently received increasing attention because of their key roles in gene expression, cell cycle regulation, and the de-velopment of many diseases. Although ncRNAs are not involved in protein translation, they are abundant in the genome,with only approximately 2% of genes encoding proteins and the remaining approximately 98% encoding ncRNAs. Thepurpose of this review is to summarize the current state of knowledge regarding the specific role of ncRNAs in middle earcholesteatoma.
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( Donghong Zhang ),( Dongliang Liu ),( Bing Liu ),( Xiulan Ma ) 한국미생물생명공학회(구 한국산업미생물학회) 2021 Journal of microbiology and biotechnology Vol.31 No.4
There has been increasing interest in the head and neck squamous cell carcinoma (HNSCC) that is caused by high-risk human papillomavirus (HR-HPV) and has posed a significant challenge to Otolaryngologists. A rapid, sensitive, and reliable method is required for the detection of HR-HPV in clinical specimens to prevent and treat HPV-induced diseases. In this study, a multiple cross-linking spiral amplification (MCLSA) assay was developed for the visual detection of HPV-16. In the MCLSA assay, samples were incubated under optimized conditions at 62°C for 45 min, and after mixing with the SYBR Green I (SGI) dye, the positive amplicons showed bright green fluorescence while the negative amplicons exhibited no obvious change. The specificity test revealed that the developed MCLSA technique had high specificity and could effectively distinguish all five HPV-16 strains from other pathogenic microorganisms. In terms of analytical sensitivity, the limit of detection (LoD) of MCLSA assay was approximately 5.4 × 10<sup>1</sup> copies/tube, which was 10-fold more sensitive than loopmediated isothermal amplification (LAMP) and RT-PCR. The detection results of laryngeal cancer specimens collected from 46 patients with suspected HPV infection in the Liaoning region demonstrated that the positive detection rates of MCLSA and hybridized capture 2 kit were 32.61% (15/46). The true positive rate of the MCLSA assay was higher than that of RT-PCR (100% vs. 93.33%) and LAMP (100% vs. 86.67%). Therefore, the MCLSA assay developed in the present study could be a potentially useful tool for the point-of-care (PoC) diagnosis of HR-HPV, especially in resourcelimited countries.
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