IL6, rIL-6R and general alkaline phosphotase activity in bone tumors and their role in the prognosis of disease

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Abstract

The comparative analysis of IL-6, rIL-6R levels and of general AP activity in blood serum of 159 patients with different malignant and benign bone tumors was carried out. Medians of serum IL-6 levels were found significantly higher in bone sarcomas (5,3 pg/ml), benign tumors (3,2 pg/ml) and also in giant cell tumors (GCT) (3,9 pg/ml) than in control group (1,2 pg/ml, p=0,0001). The highest IL-6 levels were observed in malignant fibrous histiocytomas (MFH) and also in Ewing's sarcomas. As for IL-6 receptors, no differences were observed in rIL-6R levels among bone sarcomas, benign bone tumors and also GCT. The reverse correspondence between initial rIL-6R serum levels (before treatment), treatment pathomorphosis and malignancy level were demonstrated in EwS and OS. rIL-6R serum levels correlated positively with tumor size (T) especially in chondrosarcomas (ChS). Also the positive correlation was shown between general AP activity and both of tumor size and metastasizing (p=0,02) and additionally malignancy level in patients with bone sarcomas. Reliable differences were found in AP serum activity between benign and malignant bone neoplasms. Combination of IL-6 level and of general AP activity was evaluated as the most significant for relapse-free survival prognosis in patients with bone sarcomas by multifactor analysis.

About the authors

N. E. Kushlinsky

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Author for correspondence.
Russian Federation

T. A. Tarasova

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Russian Federation

Yu. N. Solovjev

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Russian Federation

N. V. Ljubimova

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Russian Federation

O. I. Kostyleva

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Russian Federation

I. V. Bulytscheva

62 Oncology County Hospital

Russian Federation

G. N. Machak

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Russian Federation

A. N. Machson

62 Oncology County Hospital

Russian Federation

M. D. Aliev

N.N. Blokhin Russian Cancer Research Center, Russian Academy of Medical Sciences

Russian Federation

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Copyright (c) 2010 Kushlinsky N.E., Tarasova T.A., Solovjev Y.N., Ljubimova N.V., Kostyleva O.I., Bulytscheva I.V., Machak G.N., Machson A.N., Aliev M.D.

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