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  • Title: Bone morphogenetic protein 2 (BMP-2) induces in vitro invasion and in vivo hormone independent growth of breast carcinoma cells.
    Author: Clement JH, Raida M, Sänger J, Bicknell R, Liu J, Naumann A, Geyer A, Waldau A, Hortschansky P, Schmidt A, Höffken K, Wölft S, Harris AL.
    Journal: Int J Oncol; 2005 Aug; 27(2):401-7. PubMed ID: 16010421.
    Abstract:
    Breast cancer cell lines migrated towards a BMP-2 source depending on BMP-2 concentration. After a short exposure to BMP-2, the cells were able to migrate through matrigel. MCF-7 cells transfected with the BMP-2 gene also showed enhanced migratory properties and high expression of the metastasis-related gene BCSG1. In a xenograft model without estrogen supplementation MCF-7/BMP-2 cells formed tumors. These tumors were characterised by an enhanced vasculature and the formation of chondroid and osseous structures. In conclusion elevated levels of BMP-2 enhance the tumorigenic properties of breast carcinoma cells and drive the cells towards a more aggressive phenotype with estrogen independent growth.
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