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New synthetic inhibitors of fatty acid synthase with anticancer activity

Carlos Turrado1, Teresa Puig, Javier García-Cárceles

  • 1Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.

Journal of Medicinal Chemistry
|May 8, 2012
PubMed

Insights

A novel polyphenol compound, derivative 30, effectively inhibits fatty acid synthase (FASN) and exhibits potent cytotoxicity against various cancer cells. This FASN inhibitor shows promise as a therapeutic strategy without common adverse effects.

Area of Science:

  • Biochemistry
  • Oncology
  • Medicinal Chemistry

Background:

  • Fatty acid synthase (FASN) is a key lipogenic enzyme overexpressed in numerous human cancers.
  • Targeting FASN presents a potential therapeutic strategy for cancer treatment.
  • Existing FASN inhibitors face limitations such as activating carnitine palmitoyltransferase-1 (CPT-1) and causing weight loss.

Purpose of the Study:

  • To develop and evaluate a new series of polyphenolic compounds as FASN inhibitors.
  • To assess the cytotoxic and FASN inhibitory potential of these compounds in cancer cell lines.
  • To investigate the therapeutic viability of a lead compound, derivative 30.

Main Methods:

  • Synthesis and characterization of polyphenolic compounds (5-30).
  • Evaluation of cytotoxic effects using IC(50) values in SK-Br3 breast cancer cells.
  • Assay of FASN enzyme activity inhibition.
  • Assessment of apoptosis induction and pathway modulation (HER2, AKT, ERK).
  • In vivo evaluation in mice for CPT-1 activation and weight changes.

Main Results:

  • Polyphenolic compounds 5-30 were synthesized and tested for cytotoxicity.
  • Derivative 30 demonstrated significant FASN inhibition (90% at 4 μM) and broad-spectrum cytotoxicity.
  • Compound 30 induced apoptosis and inhibited HER2, AKT, and ERK signaling pathways.
  • Derivative 30 did not activate CPT-1 or cause weight loss in mice, unlike other FASN inhibitors.

Conclusions:

  • Derivative 30 is a potent FASN inhibitor with significant anticancer activity and a favorable safety profile.
  • This compound overcomes key limitations of previous FASN inhibitors.
  • FASN inhibitor 30 represents a promising candidate for validating FASN as a therapeutic target in cancer treatment.

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