The expression of HCA2 by RAW264.7 macrophages measured by RT-PCR (A–C) and Western blot (D–E). (A) RAW264.7 cells stimulated by IFN-γ (50 U/ml) and LPS (100 ng/ml) for 4 or 8 hs. (B) RAW264.7 cells stimulated by different concentrations of LPS for 4 hs. (C)...