NGF and ovarian carcinoma: We chose 10 uM Ro 08-2750, 100 uM K252a, 5 nM LM11A-31 and 100 uM K252a+5 nM LM11A-31 which can completely block 100 ng/ml exogenous NGF-reduced expression of β-catenin to treat ovarian cancer cells that grown in serum-free medium containing 0.1% BSA.