Cynomolgus monkeys received daily intravenous GAS914 for 3 days (a and b) or 4 weeks (c and d) and were sacrificed 72 hours after the last injection. (a) Spleen of animal receiving 0.1 mg/kg GAS914 and (b) kidney of animal receiving 1 mg/kg GAS914. Both sections were stained with anti-GAS914 Ab (brown). Note the presence of GAS914 staining in the spleen and absence in the kidney. (c and d) Bronchial lymph node of animal receiving 1 mg/kg stained with anti-GAS914 Ab (red) and (c) anti–B cell Ab (brown) or (d) anti–T cell Ab (brown).