- Prostaglandins differently regulate FGF-2 and FGF receptor expression and induce nuclear translocation in osteoblasts via MAPK kinase. Sabbieti, M.G., Marchetti, L., Gabrielli, M.G., Menghi, M., Materazzi, S., Menghi, G., Raisz, L.G., Hurley, M.M. Cell Tissue Res. (2005)