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Exploring pyrimidine-substituted curcumin analogues: Design, synthesis and effects on EGFR signaling.

08:00 EDT 2nd July 2013 | BioPortfolio

Summary of "Exploring pyrimidine-substituted curcumin analogues: Design, synthesis and effects on EGFR signaling."

Epidermal growth factor receptor (EGFR) is an effective molecular target of anti-cancer therapies. Curcumin inhibits cancer cell growth in vitro by suppressing gene expression of EGFR and reduces tumor growth in various animal models. To overcome instable and insoluble properties of curcumin as therapeutics, we designed and synthesized six novel pyrimidine-substituted curcumin analogues with or without a hydroxyl group originally present in curcumin. The cell viability tests indicated that IC50 of the analogues containing hydroxyl group were 3 to 8-fold lower than those of the analogues without hydroxyl group in two colon cancer cell lines tested. Western blot analysis indicates the analogues containing hydroxyl group inhibited expression and tyrosine phosphorylation of EGFR. Further protein analyses showed that the analogues had anti-cellular proliferation, pro-apoptosis, and cell cycle arrest properties associated with suppressed EGFR expression. These results indicate that the hydroxyl groups in curcumin and the analogues were critical for observed biological activities.

Affiliation

Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.

Journal Details

This article was published in the following journal.

Name: Bioorganic & medicinal chemistry
ISSN: 1464-3391
Pages:

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