4.7 Article

VISTA H-Score Is Significantly Associated with a 5-Year DFS Rate in Oral Squamous Cell Carcinoma

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 12, Issue 4, Pages -

Publisher

MDPI
DOI: 10.3390/jcm12041619

Keywords

VISTA; oral squamous cell carcinoma; prognosis; biomarkers

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In this study, the potential prognostic factor VISTA was investigated in oral squamous cell carcinoma patients. The results showed a strong correlation between VISTA expression and Il-33 levels in tumor cells and lymphocytes, as well as PD-L1 levels in tumor cells. While the impact on overall survival was limited, a significant association was found in the 5-year survival rate. Further evaluation and investigation of the combination of VISTA with Il-33 or PD-L1 in OSCC is warranted.
Oral squamous cell carcinoma (OSCC) is the most common type of oral cancer in the world. Despite its prevalence, it is often recognized in advanced stages (III or IV) when it has already spread to local lymph nodes. In this study, we investigate the V-domain Ig suppressor of T cell activation (VISTA) as a potential prognostic factor in OSCC. Tissue samples were collected from 71 oral squamous cell carcinoma patients to determine protein expression levels (using immunochemistry and the semi-quantitative H-score method). Moreover, RT-qPCR was additionally performed in 35 patients. Clinical factors in our cohort study had no impact on VISTA expression. However, VISTA expression is largely correlated with Il-33 levels in tumor cells and lymphocytes and with PD-L1 in tumor cells. The impact of VISTA expression on overall survival (OS) is rather limited, but in the case of a 5-year survival rate, a significant association has been proven. VISTA seems to be a rather weak clinicopathological marker but needs further evaluation in the context of survival. In addition, the potential of VISTA combination with Il-33 or PD-L1 should be further investigated in OSCC.

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