Kurztitel (2003) DOI 10.1007/s00204-003-0470-y

In the following sentence in the “Discussion,” “derepression” was incorrectly replaced in proof by “depression.” The sentence should read as follows:

“Since glucose represses ALA-S (Tschudy et al. 1964), low glucose would lead to derepression of this enzyme, a fact that contributes to the induction of this regulatory enzyme promoted by HCB (Wainstok de Calmanovici et al. 1984).”