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Concentration-dependent effect of PACAP38 (panel a) and PACAP6-38 (panel b) on viability of Y79 cells. Cells were incubated with the peptides (0.1–5 μM) for 24 h and cell viability was analyzed by MTT test. Data are presented as mean ± SEM of 6–12 values per group and expressed as a percentage of the respective control
