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Changes of Nuclear Matrix Proteins Following the Differentiation of human osteosarcoma MG-63 Cells

Genomics, Proteomics & Bioinformatics 2006年第1期4卷 10-17页

作者： Chun-Hong Zhao Qi-Fu Li Yan Zhao Jing-Wen Niu Zhi-Xing Li Jin-An Chen Laboratory of Cell Biology the Key Laboratory of the Ministry of Education for Cell Biology and Tumor Cell Engineering Analysis and Testing Center School of Life Sciences Xiamen University Xiamen 361005 China

human osteosarcoma MG-63 cells were induced into differentiation by 5 mmol/L hexamethylene bisacetamide （HMBA）. Their nuclear matrix proteins （NMPs） were selectively extracted and subjected to two-dimensional gel electrophoresis analysis. The results of protein patterns were analyzed by Melanie software. The spots of differentially expressed NMPs were excised and subjected to in situ digestion with trypsin. The maps of peptide mass fingerprinting were obtained by MALDI-TOF-MS analysis, and were submitted for NCBI database searches by Mascot tool. There were twelve spots changed remarkably during the differentiation induced by HMBA, nine of which were identified. The roles of the regulated proteins during the MG-63 differentiation were analyzed. This study suggests that the induced differentiation of cancer cells is accompanied by the changes of NMPs, and confirms the presence of some specific NMPs related to the cancer cell proliferation and differentiation. The changed NMPs are potential markers for cancer diagnosis or targets for cancer therapy.

关键词： nuclear matrix proteins cell differentiation human osteosarcoma HMBA

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“OS-732人体成骨肉瘤细胞系”超微结构及细胞化学的研究

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Current Zoology 1984年第3期30卷 213-217+303-304页

作者：郭振泉于惠敏毕五蝉北京大学生物系肿瘤组北京大学生物系肿瘤组北京市创伤骨科研究所病理室

本文研究了 Os-732细胞株的超微结构及酶的特性。在 SEM 下细胞形态呈多样性,细胞表面形成树枝状伪足;TEM 下胞质内含丰富的扩张粗面内质网,发达的高尔基复合体及分泌泡;大量碱性磷酸酶作用的沉积物出现于胞膜表面。这些特征均显示它与... 详细信息

本文研究了 Os-732细胞株的超微结构及酶的特性。在 SEM 下细胞形态呈多样性,细胞表面形成树枝状伪足;TEM 下胞质内含丰富的扩张粗面内质网,发达的高尔基复合体及分泌泡;大量碱性磷酸酶作用的沉积物出现于胞膜表面。这些特征均显示它与成骨细胞的相似性。为证明此株细胞是威骨系统的肿瘤提供可靠的依据。结合细胞株的动物接种,染色体和免疫学特性等研究,证明此细胞株是一新的成骨肉瘤细胞株。

关键词： human osteosarcoma Cell culture Ultrastructure Alkaline phosphatases

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Effect of p27 Gene Combined with Pientzehuang (片仔癀) on Tumor Growth in osteosarcoma-Bearing Nude Mice

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Chinese Journal of Integrative Medicine 2015年第11期21卷 830-836页

作者：任守松袁芳刘映红周乐天李军 Cheeloo Health Science Center of Shandong University Department of Spine Surgery Jimo City People's Hospital Department of Nephrology the Second Xiangya HospitalCentral South University

Objective： To observe the effect of p27 gene recombinant adenovirus combined with Chinese medicine Pientzehuang （片仔癀） on the growth of xenografted human osteosarcoma in nude mice. Methods： Tissue transplantation was used to construct the orthotopic model of human osteosarcoma Saos-2 cell in nude mice. Thirty tumor-bearing nude mice were randomly divided into 5 groups with 6 mice in each group： blank control group （model of osteosarcoma）, empty vector group （recombinant adeno-associated virus-multiple cloning site）, Pientzehuang group, p27 gene group and combined treatment group （p27 gene combined with Pientzehuang）. The effect of combined treatment on human osteosarcoma was analyzed through the tumor formation, tumor volume and inhibition rate of tumor growth. The expression of p27 was measured by immunohistochemical staining and Western blot. Results： The orthotopic model of osteosarcoma in nude mice was successfully constructed. The general appearance of tumor-bearing nude mice in Pientzehuang and p27 gene groups was markedly improved compared with the blank control group; and in the combined treatment group it was significantly improved compared with the Pientzehuang and p27 gene groups. The tumor growth in the Pientzehuang and p27 gene groups was significantly inhibited compared with the blank control group （P〈0.05）; while in the combined treatment group it was markedly inhibited compared with the Pientzehuang and p27 gene groups （P〈0.05）. The rates of tumor growth inhibition were 34.1%, 56.5% and 63.8% in the Pientzehuang, p27 gene and combined treatment groups, respectively. Meanwhile, the protein expression of p27 gene in the p27 gene group was significantly increased compared with the blank control group （P〈0.05）; and it was significantly increased in the combined treatment group compared with the p27 gene and Pientzehuang groups （P〈0.05）. Conclusion： p27 gene introduced by adenovirus combined with Pientzehuang can inhibit the growth of human osteosarcoma ce

关键词： Pientzehuang p27 gene human osteosarcoma tumor growth Chinese medicine

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