In addition, LL-5 cells expressed high levels of iNOS at 12 h post-infection with wMel and at 24 h to wMelPop-CLA (Fig. 1l), and low levels of Catalase expression at 48 for wMel and 72 h for wMelPop-CLA post-challenges (Fig. 1m). Here, CAT is linked to infection.