“In this study, we report that intracellular peroxides levels were … in HU‐treated murine erythroleukaemia (MEL) cells and that l‐acetyl‐N‐cysteine (LNAC), a potent reducing reagent, had a significant inhibitory … on the HU‐mediated induction of β‐globin, δ‐aminolaevulinate synthase mRNA expression and … of MEL cells.”