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OBJECTIVE To explore the relation of cystatin C and cathepsin B expression to the pathological grade and invasion of human gliomas. METHODS A immunohistochemical method was used to detect the expression of cystatin C and cathepsin B in 57 glioma samples. RESULTS The expression of cystatin C in high-grade (Grade III~IV )gliomas was significantly weaker than that in low-grade(Grade I~II, P=0.0001). On the other hand, the expression of cathepsin B in high-grade gliomas was significantly stronger than that in low-grade (P=0.0001). Cystatin C expression correlated inversely with cathepsin B expression in gliomas (P=0.01). CONCLUSION Cystatin C and cathepsin B expression is related to the pathological grade and invasion of gliomas. Combining detection of cystatin C and cathepsin B expressions might provide significant information for clinical assessment of maglignant phenotypes and invasion of gliomas.
OBJECTIVE To explore the relation of cystatin C and cathepsin B expression to cystatin C and cathepsin B expression to cystatin C and cathepsin B expression in cystatin C and cathepsin B in 57 glioma samples. RESULTS The expression of cystatin C in high-grade (Grade III-IV) gliomas was significantly weaker than that in low-grade (Grade I-II, P = 0.0001). On the other hand, the expression of cathepsin B in high-grade gliomas was significantly stronger than that (P = 0.0001). Cystatin C expression correlated inversely with cathepsin B expression in gliomas (P = 0.01). CONCLUSION Cystatin C and cathepsin B expression is related to the pathological grade and invasion of gliomas. Combining detection of cystatin C and cathepsin B expressions might provide significant information for clinical assessment of maglignant phenotypes and invasion of gliomas.