The lignan, (-)-sesamin reveals cytotoxicity toward cancer cells: Pharmacogenomic determination of genes associated with sensitivity or resistance

Mohamed Saeed, Hassan Khalid, Yoshikazu Sugimoto, Thomas Efferth

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

(-)-Sesamin is a lignan present in sesam oil and a number of medicinal plants. It exerts various pharmacological effects, such as prevention of hyperlipidemia, hypertension, and carcinogenesis. Moreover, (-)-sesamin has chemopreventive and anticancer activity in vitro and in vivo. Multidrug resistance (MDR) of tumors leads to fatal treatment outcome in many patients and novel drugs able to kill multidrug-resistant cells are urgently needed. P-glycoprotein (MDR1/ABCB1) is the best known ATP-binding cassette (ABC) drug transporter mediating MDR. ABCB5 is a close relative to ABCB1, which also mediates MDR. We found that the mRNA expressions of ABCB1 and ABCB5 were not related to the 50% inhibition concentrations (IC50) for (-)-sesamin in a panel of 55 cell lines of the National Cancer Institute, USA. Furthermore, (-)-sesamin inhibited ABCB1- or ABCB5-overexpressing cells with similar efficacy than their drug-sensitive parental counterparts. In addition to ABC transporter-mediated MDR, we attempted to identify other molecular determinants of (-)-sesamin resistance. For this reason, we performed COMPARE and hierarchical cluster analyses of the transcriptome-wide microarray-based mRNA expression of the NCI cell panel. Twenty-three genes were identified, whose mRNA expression correlated with the IC50 values for (-)-sesamin. These genes code for proteins of different biological functions, i.e. ribosomal proteins, components of the mitochondrial respiratory chain, proteins involved in RNA metabolism, protein biosynthesis, or glucose and fatty acid metabolism. Subjecting this set of genes to cluster analysis showed that the cell lines were assembled in the resulting dendrogram according to their responsiveness to (-)-sesamin. In conclusion, (-)-sesamin is not involved in MDR mediated by ABCB1 or ABCB5 and may be valuable to bypass chemoresistance of refractory tumors. The microarray expression profile, which predicted sensitivity or resistance of tumor cells to (-)-sesamin consisted of genes, which do not belong to the classical resistance mechanisms to established anticancer drugs.

Original languageEnglish
Pages (from-to)689-696
Number of pages8
JournalPhytomedicine
Volume21
Issue number5
DOIs
Publication statusPublished - 2014 Apr 15

Fingerprint

Lignans
Pharmacogenetics
Multiple Drug Resistance
Genes
Neoplasms
ATP-Binding Cassette Transporters
Pharmaceutical Preparations
Messenger RNA
Inhibitory Concentration 50
Cluster Analysis
sesamin
Cell Line
Fatal Outcome
National Cancer Institute (U.S.)
Ribosomal Proteins
Protein Biosynthesis
P-Glycoprotein
Medicinal Plants
Multigene Family
Electron Transport

Keywords

  • ABC transporters
  • ABCB1
  • ABCB5
  • Chemotherapy
  • Lignan, (-)-sesamin
  • Multidrug resistance
  • Pharmacogenomics
  • Phytotherapy

ASJC Scopus subject areas

  • Drug Discovery
  • Pharmacology
  • Pharmaceutical Science
  • Complementary and alternative medicine
  • Molecular Medicine
  • Medicine(all)

Cite this

The lignan, (-)-sesamin reveals cytotoxicity toward cancer cells : Pharmacogenomic determination of genes associated with sensitivity or resistance. / Saeed, Mohamed; Khalid, Hassan; Sugimoto, Yoshikazu; Efferth, Thomas.

In: Phytomedicine, Vol. 21, No. 5, 15.04.2014, p. 689-696.

Research output: Contribution to journalArticle

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