Android 2019 - Cd57, Immunobiology: cd57 defines a functionally distinct, Proliferation assays. sorted cd57 + and cd57 − nk cells were labeled with 5μm carboxyfluorescein diacetate succinimidyl ester (cfse; invitrogen). 27 cfse-labeled cells were cultured in modified eagle medium (invitrogen) with 1% penicillin and streptomycin, 1% glutamine, 15% fetal calf serum (hyclone), 0.05mm β-mercaptoethanol, and 100 iu/ml il-2.. Cd57, cd3, cd8, flow cytometry - quest diagnostics, Reference ranges are provided as general guidance only. to interpret test results use the reference range in the laboratory report. the cpt codes provided are based on ama guidelines and are for informational purposes only. cpt coding is the sole responsibility of the billing party. please direct .. Cd57 testing and lyme disease - tired of lyme, Cd57 is a natural killer cell. "cd" stands for "cluster designation" which is simply a molecule on the cell that gives the cd57 cell its identity..