| | Cell viability was determined using the trypan blue dye exclusion test and alamar blue assays (Nakayama et al., 1997). | Nakayama GR, Caton MC, Nova MP, Parandoosh Z, 1997. Assesment of the Alamar Blue assay for cellular growth and viability in vitro. J Immunol Methods 204: 205-208. | | |