S100A6 and S100A2 are members of the S100 family of calcium binding proteins, which are down regulated in prostate cancer, however the molecular mechanism(s) underlying their loss of expression is unknown.
Academic Urology Unit, Division of Clinical Sciences South, University of Sheffield, United Kingdom, and Service d'Urologie, Groupe Hospitalier Pitié-Salpétrière, Paris, France. i.rehman@sheffield.ac.uk