(A and B) The level of NAMPT in RAW264.7 cells treated with LPS or LPS + si-NAMPT was detected by qRT-PCR and Western blot. (C and D) The mRNA levels of TNF-α and IL-6 in RAW264.7 cells treated with LPS or LPS + si-NAMPT were detected by qRT-PCR. (E and F) The levels of TNF-α and IL-6 in RAW264.7 cells treated with LPS or LPS + si-NAMPT were detected by ELISA; *P<0.05.