Matrix detachment and proteasomal inhibitors diminish Sulf-2 expression in breast cancer cell lines and mouse xenografts - Ashwani Khurana; Deok Jung-Beom; Xiaoping He; Sung-Hoon Kim; Robert C. Busby; Laura Lorenzon; Massimo Villa; Alfonso Baldi; Julian Molina; Matthew P. Goetz; Viji Shridhar (Clinical & Experimental Metastasis, 2013)