text: Reverse transcription polymerase chain reaction (RT-PCR) and western blot analyses revealed that CK inhibited << DMN >>-induced increases in matrix metalloproteinase-13 (MMP-13), tissue inhibitor of metalloproteinase-1 ([[ TIMP-1 ]]), and tumor necrosis factor-α (TNF-α) mRNA, and collagen type I and α-smooth muscle actin protein.