Atplite 1 step assay system

Bovine serum albumin (BSA), Fetal bovine serum (FBS), L-15 Leibowitz medium, Dulbecco’s modified Eagle medium and Ham’s nutrient mixture F-12 (DMEM/F12), Penicillin (10,000 IU/ml), Streptomycin (10,000 mg/ml), Dulbecco’s phosphate buffered saline (PBS) were supplied from Gibco BRL, Life Technologies (Paisley, Scotland). Staurosporine, 3-benzyl-7-(2-ben-zoxazolyl) thio-1,2,3-triazolo[4,5-d]pyrimidine (VAS2870), 3,3’-dihexyloxacarbo-cyanide iodide (DiOC6(3)), and 2-7-dichlorodihydrofluorescin di-acetate (DCFH-DA) were purchased from Sigma Chemicals (St. Louis, Missouri, USA). The pan-caspase inhibitor (z-vad-fmk) was purchased from R&D Systems (Minneapolis, Minnesota, USA). 7-Aminoactinomycin D (7-AAD) staining dye for flow cytometry was purchased from Beckman-Coulter, Inc. (Brea, California, USA). Bio-Rad protein assay kit was purchased from Bio-Rad Laboratories, München, Germany. 1,2-diaminocyclohexanetetraacetic acid (DCTA), dithiothreitol (DTT), Triton X-100, Tris-phosphate, and glycerol were supplied from Merck KGaA, Darmstadt, Germany. ATPlite 1-step assay system was supplied from Perkin Elmer, Boston, Massachusetts, USA. Caspase-Glo 3/7 Assay was purchased from Promega, Madison, Wisconsin, USA.