Abstract
Concentrations of cathepsins A, D and stefins A and B were measured in primary tumor and adjacent normal tissue of 25 patients with laryngeal carcinoma. Median concentrations of both cathepsins and that of stefin B were significantly higher in tumor tissue than in their normal counterparts (cathepsins B and D,P < 0.0001; stefin B,P = 0.01), indicating their possible involvement in the process of tumor spread. Early (T1 and T2) tumors had lower concentrations of stefins A and B than locally advanced (T3 and T4) tumors (P = 0.04). Disease-free and disease-specific survival rates at 45 months were significantly better in patients with tumor concentrations of stefins above or equal to the cut-off values (stefin A,P = 0.001 andP = 0.004; stefin B,P = 0.048 andP = 0.008), indicating that these might be of prognostic value. The concentrations of cathepsins B and D did not correlate with survival.
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Šmid, L., Strojan, P., Budihna, M. et al. Prognostic value of cathepsins B, D and stefins A and B in laryngeal carcinoma. Eur Arch Otorhinolaryngol 254 (Suppl 1), S150–S153 (1997). https://doi.org/10.1007/BF02439748
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DOI: https://doi.org/10.1007/BF02439748