The roles of metastasis-related proteins in the development of giant cell tumor of bone, osteosarcoma and Ewing's sarcoma

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Abstract

BACKGROUND: Giant cell tumor of bone (GC), osteosarcoma (OS) and Ewing's sarcoma (ES) are three different types of bone cancer with common and specific pathology features. OBJECTIVE: The purpose of the study was to examine the relationship and differences of the three bone tumors using clinical samples. METHODS: Through screening the profiles of clinical samples from GC, OS and ES patients using a humanoncology array, we found 26, 25 and 15 tumorigenesis factors significantly increased in GS, OS and ES tissues compared to normal individuals. eNOS, endostatin, HIF-1a, IL-6, CCL2/MCP-1, CCL8/MCP-2, CCL7/MCP-3, Tie and VEGF directly or indirectly involve in the metastasis Therefore, expression levels of the 6 factors were further determined by Western blot. RESULTS: The results showed levels of MCP1, MCP2, MCP3 or IL-6 in the GS, OS and ES significantly increased, and the expression levels of angiogenesis and anti-angiogenesis factors containing eNOS, endostatin, HIF-1a, Tie or VEGF were enhanced. CONCLUSIONS: Our results suggest that eNOS, endostatin, HIF-1a, IL-6, CCL2/MCP-1, CCL8/MCP-2, CCL7/MCP-3, Tie and VEGF may play important roles in tumorigenesis, reveal the expression differences of tumor-associated cytokines and angiogenesis related factors, and provide clinical evidence for studying the mechanisms on the metastasis in GC, OS and ES.

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Dou, B., Chen, T., Chu, Q., Zhang, G., & Meng, Z. (2021). The roles of metastasis-related proteins in the development of giant cell tumor of bone, osteosarcoma and Ewing’s sarcoma. In Technology and Health Care (Vol. 29, pp. S91–S101). IOS Press BV. https://doi.org/10.3233/THC-218010

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