HCC1954 and NMuMG-ErbB2 breast cancer cells were stimulated with TGFβ for 24 h, plated onto Alexa 405 labelled gelatin for an additional 24 h and coverslips were fixed and stained for LPP, Tks5 and F-actin. This evidence concerns the gene SH3PXD2A and breast carcinoma.