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has been cited by the following article:

• TITLE: Heat Shock Protein 70 Expression in Giant Cell Tumor of Bone and Its Clinical Application

  AUTHORS: Apichat Asavamongkokul, Pojchong Chotiyarnwonga, Pojchong Chotiyarnwonga, Nednapis Tirawanchai, Saranatra Waikakul

  KEYWORDS: Giant Cell Tumor, Heat Shock Proteins, Tumor Recurrence, Bone Tumor, Thermoablation

  JOURNAL NAME: Surgical Science, Vol.6 No.2, February 9, 2015

  ABSTRACT: Objective: To provide a better prognosis after the treatment of giant cell tumor of bone which is a common benign aggressive bone tumor by the use of thermoablation, Hsp70 expression of the tumor was explored and the relationship between the relative amount of expression of this protein and tumor recurrence was studied. Methods: Avascular parts of tumor tissues were collected from 11 patients, 3 male and 8 female with an average age of 32.27 years and were sent for the analysis of protein contents by the use of Western blot. A comparative protein analysis was used for the detection of Hsp70 and beta-actin. Monoclonal antibody was used for the identification of Hsp70. The measurement was carried out two times in one patient. The relationship between ratios of Hsp70/beta-actin and tumor recurrence during 3-year follow-up was carried out. Results: Tumor recurrence was found in 4 patients, 36.6% and none had lung metastasis. Significant HSP expression was found in all specimens. No patient with the ratio of HSP70/beta-actin expression lower than 0.66 had tumor recurrence. Sensitivity of the test was 75% and specificity was 100%. Conclusion: Expression of Hsp70 was found in giant cell tumor of bone and high relative expression of this protein related to tumor recurrence.