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Effect of kimchi under different fermentation stage on mRNA and protein expression of COX-2 and iNOS in SIN-1 treated LLC-PK1 cells. COX-2 and iNOS mRNA expressions and protein levels were measured by RT-PCR (A), and western blot analysis (B). Values are expressed as mean ± SD (n = 3). a-dMeans with different letters are significantly different (P < 0.05) by Duncan's multiple range.
