Expression profile of breast cancer cells spiked into native mouse blood. RNA was isolated and cDNA synthesis was performed. Human mRNA of Vimentin, EpCAM, MUC-1, Her2, GAPDH and PPIA was detectable at different cell numbers. No signals for murine mRNA were seen in native blood samples.
Gorges et al. BMC Cancer 2012 12:178 doi:10.1186/1471-2407-12-178