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A Co-culture Method to Investigate the Crosstalk Between X-ray Irradiated Caco-2 Cells and PBMC
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Isothiocyanate-drug interactions in the human adenocarcinoma cell line Caco-2

Katarzyna Lubelska1, Irena Misiewicz-Krzemińska, Małgorzata Milczarek

  • 1National Medicines Institute, Warsaw, Poland.

Molecular and Cellular Biochemistry
|April 25, 2012
PubMed

Insights

Alyssin, a compound found in supplements, interacts with common medications, altering their effects on cell metabolism and detoxification pathways. These interactions, influenced by Nrf2 (nuclear erythroid 2-related factor), can either strengthen or weaken drug efficacy.

Area of Science:

  • Pharmacology
  • Biochemistry
  • Nutraceuticals

Background:

  • Isothiocyanates, like alyssin, exhibit chemopreventive properties by influencing detoxification pathways.
  • Dietary supplements containing these compounds are increasingly used alongside conventional medications.
  • Potential interactions between supplements and drugs can impact cellular metabolism.

Purpose of the Study:

  • To investigate the interactions between alyssin and commonly used drugs.
  • To determine the effects of these interactions on phase 2 detoxification gene expression and activity.
  • To assess the impact on drug transport proteins involved in phase 3 metabolism and the role of Nrf2.

Main Methods:

  • Assessing the expression and activity of phase 2 detoxification genes.
  • Evaluating the impact on drug transport proteins (phase 3 metabolism).
  • Investigating the involvement of the transcription factor Nrf2 in observed interactions.

Main Results:

  • Alyssin interactions with tested drugs modified their effects, either enhancing or reducing efficacy based on alyssin concentration and drug type.
  • The transcription factor Nrf2 plays a role in these interactions.
  • Nrf2 is not the sole regulator of the observed drug-alyssin interactions.

Conclusions:

  • Alyssin can significantly alter the metabolic effects and efficacy of co-administered drugs.
  • Understanding these interactions is crucial for safe and effective use of dietary supplements with medications.
  • Further research is needed to fully elucidate the mechanisms underlying these complex interactions.

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