text: Antibodies.
  Sox6 antibodies used in this study were either kindly provided by Dr. Enzo Lalli (Universite Louis Pasteur, France [7]) or commercially obtained (Catalog No. sc-17332 X, Santa Cruz Biotechnology, Santa Cruz, California, United States). All Sox6 antibodies generated similar results. c-Myc antibody was purchased from Invitrogen. Normal rabbit IgG antibody was obtained from Upstate Biotechnology (Lake Placid, New York, United States). 
  