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Abstract

Mechanism of Chemotactic Cytokine Binding Protein D6 on Tumorigenicity and Metastasis of Breast Cancer Cells

Author(s): B. Zhou, Wenwei Li, Yao Zhou, Z. Zhou, Liang Yan and Qinyu Wang*
Departments of Oncology, 1Departments of Orthopedics, Nanchang People???s Hospital (Nanchang Third Hospital), Nanchang, Jiangxi Province 330025, China

Correspondence Address:
Qinyu Wang, Departments of Oncology, Nanchang People???s Hospital (Nanchang Third Hospital), Nanchang, Jiangxi Province 330025, China, E-mail: lifeilang4237@163.com


Breast cancer is the cancer with the highest incidence in women in the world. It was to investigate the mechanism of chemotactic cytokine binding protein D6 in the tumorigenicity and metastasis of breast cancer cell. The more invasive human breast cancer cell lines MDA-MB-435 and MDA-MB-231, the less invasive human breast cancer cell lines ZR-75-30 and ZR-75-1, and normal breast epithelial cells Hs578Bst and human normal breast epithelial cell line-100 were selected for the experiments. The differences of D6 messenger ribonucleic acid levels in different cells and the effects of other factors on D6 messenger ribonucleic acid levels were explored. Then, MDA-MB-435 was selected for D6 transfection to make over expressed MDA-MB-435/D6 cells, and the effect of D6 on the tumorigenicity and metastasis of MDA-MB-435 was analyzed by comparative analysis. It revealed as the increasing cell invasion, the D6 messenger ribonucleic acid was obviously decreased; as the increasing interleukin-1 beta concentration, the D6 messenger ribonucleic acid increased clearly; as the raising tumor necrosis factor alpha concentration, the D6 messenger ribonucleic acid was clearly decreased in different degrees (p<0.05). Interferon gamma concentration had no effect on D6 messenger ribonucleic acid level (p>0.05). As against MDA-MB-435 cells, the proliferation and migration of MDA-MB-435/D6 cells were clearly decreased from the 3rd d; the concentrations of C-C motif ligand 2, C-C motif ligand 4, and C-C motif ligand 13 of D6 ligands in MDA-MB-435/D6 were clearly lower (p<0.05). Chemotactic cytokine binding protein D6 is negative regulatory in breast cancer, inhibiting the tumorigenicity and metastasis of breast cancer cell.

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