Change in CD3ζ-chain expression is an independent predictor of disease status in head and neck cancer patients

International Journal of Cancer. Journal International Du Cancer
Deepak UpretiK A Pathak

Abstract

CD3ζ has emerged as a clinically important immunological marker in head and neck squamous cell carcinoma (HNSCC) with reduced level of expression reported in both tumor infiltrating lymphocytes and peripheral blood lymphocytes. In this prospective study (power = 0.99, α = 0.05), CD3ζ expression was compared in 47 HNSCC patients and 53 controls using standardized flow cytometric method. There was no statistical difference in the percentages of the CD3 ε+ T-cell subset present in the peripheral blood mononuclear cells of the HNSCC patients and the healthy controls; however, T cells from the HNSCC patients produced a significantly weaker IFN-γ response in comparison to the healthy controls, when they were stimulated by the recall viral CEF peptide antigen. All patients were followed up for at least 3 years with a median follow-up of 45 months. Levels of CD3ζ-chain expression were measured at 117 follow-up visits at six-month intervals. Receiver operating characteristic curve identified the optimal cut off as a 12% increase in post treatment CD3ζ-chain expression from the baseline levels to confirm absence of HNSCC with the area under curve of 0.81 (95% CI = 0.68-0.94) for predicting absence of HNSCC. The specificity, sensitivity a...Continue Reading

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Aug 20, 2020·Expert Opinion on Biological Therapy·Malgorzata Czystowska-Kuzmicz, Theresa L Whiteside
Feb 6, 2020·Molecular Carcinogenesis·Samantha M Y ChenJing H Wang
Apr 4, 2021·Cancers·Florencia VeigasMaría Romina Girotti

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