The abstract is read at the publisher; the summary is JClub's.
1,3,6,8-tetrachloro-9H-carbazole strongly activates the aryl hydrocarbon receptor (AHR), producing a stable TYR322–ligand interaction and distinct receptor conformational changes.
- Why it matters: Polyhalogenated carbazoles from drinking water disinfection are emerging contaminants, but their human biotransformation routes and molecular toxicity mechanisms are not well defined.
- What they did: Using multiple computational strategies, the study modeled AHR activation and translocation, P450-mediated electrophilic addition with regioselectivity (C-O distance, C-O-Fe angle), and metabolism via epoxidation and NIH shift.
- The result: The compound and hydroxylated metabolites bound five endocrine receptors with high affinity, linking AHR activation and metabolic fate to endocrine-disrupting potential.
The findingWhy it mattersWhat they didThe result
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