The validity of salivary microRNAs (hsa-miR-200a, hsa-miR-125a and hsa- miR-93) as oral squamous cell carcinoma biomarker
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Abstract
Materials and methods: The level of these three microRNAs was measured by using revers transcription, preamplification and quantitative PCR.
Results: Only miR-200a present in a significantly lower level (p<0.05) in the saliva of oral squamous cell carcinoma patients than in control. miR-200a was the strongest parameter (most affected by disease status) in the context of differentiation between OSSC and healthy controls (having the highest ROC area of 0.781 which is significantly higher than the area associated with equivocal test). Coming next in order of importance in the context of case-control differentiation was normalized CT values for hsa-miR-93, which has a reasonably high ROC (0.650), but failed to show statically significance differences, P>0.05.
Conclusions: The detection of miRNAs in saliva can be used as noninvasive and rapid diagnostic tool for the diagnosis of oral cancer.
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