VDA

(B and C) sh-scrambled or sh-ck2a–transducted L929 cells (B) and Raw cells (C) were stimulated by DMXAA (100 μg/ml) for various times. Cytosolic and nuclear extracts were prepared as described in Materials and Methods. Five percent of the cytosolic proteins and 20% of the nuclear proteins were resolved by 10% SDS-PAGE. Subsequently, immunoblotting was conducted by indicated Abs. The amounts of Tubulin and Lamin B1 in cytosol versus nuclei detected by respective Abs were used as internal control for fractionation.

Verteporfin treatment inhibits proliferation and induces apoptosis of Tsc1-null cells in vivo. Mice were administered i.p. with vehicle or verteporfin at a dose of 100 mg/kg every other day for 10 d before sacrifice. Mice were sacrificed at 6 wk of age. Three independent experiments were performed and mice in different treatments were pooled for analysis. Percentage of Ki67 and αSMA double-positive cells in α-SMA+ mesenchymal lesions in the indicated kidneys. Immunofluorescence staining and counting were performed on three sagittal sections from different kidney regions for each mouse.