BMP2 and breast cancer: In clinical breast cancer samples, decreased mRNA expression of BMP-2, BMP-7, BMP-10 and GDF-9a (an analogue of BMP-15/GDF-9b) were seen and associated with poor clinical outcomes (Reinholz et al. 2002, Buijs et al. 2007, Hanavadi et al. 2007, Davies et al. 2008, Ye et al. 2010).