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Proteins as binding targets of isothiocyanates in cancer prevention

Lixin Mi1, Anthony J Di Pasqua, Fung-Lung Chung

  • 1Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA. lm293@georgetown.edu

Carcinogenesis
|June 14, 2011
PubMed

Insights

Isothiocyanates (ITCs) show cancer-preventive potential by targeting tumor growth stages. Covalent binding to proteins is a key mechanism, influencing apoptosis and cell growth, crucial for developing new cancer chemoprevention strategies.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cancer Research

Background:

  • Isothiocyanates (ITCs) are recognized for their versatile cancer-preventive properties.
  • Evidence suggests ITCs impact all stages of tumor development: initiation, promotion, and progression.
  • Dietary ITCs are linked to reduced risks of specific human cancers.

Purpose of the Study:

  • To review and identify potential protein targets of ITCs.
  • To summarize known binding sites and biological consequences of ITC-protein interactions.
  • To explore the relationship between protein binding and reactive oxygen species generation by ITCs.

Main Methods:

  • Literature review of studies on ITCs and their molecular targets.
  • Analysis of research on covalent binding of ITCs to proteins.
  • Examination of studies investigating ITC-induced apoptosis and cell growth inhibition.

Main Results:

  • Covalent binding to specific protein targets is a significant mechanism for ITC's chemopreventive effects.
  • ITC-protein interactions are implicated in ITC-induced apoptosis and cell growth inhibition.
  • Understanding these interactions guides the design of more effective chemopreventive compounds.

Conclusions:

  • Identifying protein targets is essential for understanding ITC molecular mechanisms.
  • Knowledge of ITC-protein binding can inform the development of novel cancer chemoprevention strategies.
  • Further research is needed to fully elucidate the link between protein binding and reactive oxygen species in ITC action.

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