Indole-3-Carbinol (I3C) and its Major Derivatives: Their Pharmacokinetics and Important Roles in Hepatic Protection.
Level 5 - mechanism / opinion, no new human data
Narrative review summarizing in vitro and in vivo preclinical and mechanistic data
PubMed 26651978 · doi:10.2174/1389200217666151210125105
What was done
The authors reviewed published literature examining the pharmacokinetics (in vitro and in vivo) of indole-3-carbinol (I3C) and its condensation derivatives (such as 3,3'-diindolylmethane [DIM], LTr1, HI-IM, and ICZ), as well as their mechanistic roles in mitigating chronic liver diseases.
What was found
The abstract reports no quantitative metrics or effect sizes. It qualitatively describes that I3C and DIM modulate transcription factors, reduce oxidative stress, inhibit cellular DNA synthesis, suppress pro-inflammatory cytokines and chemokines, and regulate enzymes involved in viral replication, lipogenesis, and toxin/ethanol metabolism.
Why it matters
This review outlines the broad biological pathways through which cruciferous vegetable-derived indoles may protect against steatohepatitis, viral hepatitis, fibrosis, and liver cancer.
Limits
As a narrative review, it lacks systematic search criteria, quality appraisal of included studies, and quantitative synthesis. Findings are largely derived from preclinical cell and animal models, with no human clinical efficacy data or dosage guidelines provided in the abstract.
Cited by
- supports When indole glucosinolates present in mature broccoli florets are acted on by myrosinase, they form breakdown products including indole-3-carbinol and diindolylmethane.