Oral squamous cell carcinoma (OSCC) is an aggressive and unpredictable cancer with a high tendency to recur and metastasise. Despite increasing efforts to improved treatment, the 5-year survival rate is still low. We discovered that low expression levels of the urokinase plasminogen activator receptor (uPAR) and the plasminogen activator inhibitor-1 (PAI-1) two proteins normally involved in the ...