Abstract
Despite advances in diagnostics and therapeutics, two-thirds of oral cancer patients present with advanced disease, which increases both the morbidity and mortality risk. Circulating tumour cells (CTCs) are released in the circulation by primary tumours and have been demonstrated to have significant correlations between their occurrence and disease progression. To characterize the circulating tumour cells in subjects with histologically diagnosed oral squamous cell carcinoma (OSCC). This pilot study was undertaken with ten fresh blood samples (6 ml each). Five samples from apparently healthy individuals and five OSCC samples were cultured and subjected to flow cytometric analysis for CD44 expression. Immunostaining was done using CD44 and EpCAM markers. Several cells in OSCC samples showed EpCAM and CD44 positivity following immunostaining. However, flow cytometry performed with CD44 alone was not specific for OSCC samples. Hence, proving that CD44 and EpCAM when used in conjunction can help to characterize CTCs. The findings of our study suggest that the demonstration of CTCs is feasible and helps in understanding of disease progression and metastatic risk. Sensitive detection of CTCs from blood samples can serve as an implicit tool in early cancer diagnosis and prognosis through liquid biopsy which in itself is minimally invasive and time-saving.
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Schedule a callMore From: Journal of oral and maxillofacial pathology : JOMFP
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