Reagents for life science research and drug discovery efforts, namely, detection kits and reagents for apoptosis and cell signaling pathways; cell fractionation kits; assays for cell proliferation, cytotoxicity, senescence, cell damage, DNA damage, oxidative stress, kinases, phosphates, proteases, secretases, cAMP and cGMP, cholesterol and lipid metabolism, as well as assays for other components involved in cellular metabolism and signal transduction pathways; recombinant proteins, growth factors and cytokines, monoclonal and polyclonal antibodies, cloning vectors, siRNA vectors, DNA isolation, DNA ligation, gel staining, buffer solutions, and other cellular and molecular biology kits and reagents