Bache et al. BMC Cancer 2010, 10:132 http://www.biomedcentral.com/1471-2407/10/132 36. He B, Mirza M, Weber GF: An osteopontin splice variant induces anchorage independence in human breast cancer cells. Oncogene 2006, 25:2192-2202. 37. Takafuji V, Forgues M, Unsworth E, Goldsmith P, Wang XW: An osteopontin fragment is essential for tumor cell invasion in hepatocellular carcinoma. Oncogene 2007, 26:6361-6371. Pre-publication history The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1471-2407/10/132/prepub doi:10.1186/1471-2407-10-132 Cite this article as: Bache et al.: Elevated tumor and serum levels of the hypoxia-associated protein osteopontin are associated with prognosis for soft tissue sarcoma patients. BMC Cancer 2010 10:132. Page 8 of 8 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color ﬁgure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit