Identification of molecular determinants of tumor sensitivity and resistance to anticancer drugs.

Luigi Quintieri, Marianna Fantin, Csaba Vizler

Research output: Contribution to journalArticle

Abstract

Resistance to drugs is a major problem in cancer chemotherapy. Various cellular mechanisms of drug resistance have been identified in cultured tumor cell lines selected for growth in the presence of sublethal concentrations of various anticancer drugs. They involve drug transport and detoxification, qualitative or quantitative alterations of the drug target, repair of drug-induced DNA lesions, and alterations in signaling or execution of apoptosis. More recently, the possibility to simultaneously analyze the expression of thousands of genes using DNA microarrays has allowed exploring the relationships between gene expression and sensitivity to several anticancer drugs. A number of studies using microarrays for identifying genes governing tumor chemosensitivity focused on tumor cell lines. Some clinical studies have also been carried out to investigate whether tumor gene expression patterns could predict clinical response to chemotherapy. Results of these studies are encouraging, indicating that individualization of drug treatment based on multigenic response-predictive markers is feasible.

Original languageEnglish
Pages (from-to)95-104
Number of pages10
JournalAdvances in Experimental Medicine and Biology
Volume593
Publication statusPublished - 2007

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Tumors
Pharmaceutical Preparations
Neoplasms
Chemotherapy
Tumor Cell Line
Gene Expression
Drug Resistance
Microarrays
Gene expression
Cultured Tumor Cells
Genes
Drug Therapy
Cells
Drug therapy
Detoxification
Oligonucleotide Array Sequence Analysis
DNA
Apoptosis
Repair
Growth

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Identification of molecular determinants of tumor sensitivity and resistance to anticancer drugs. / Quintieri, Luigi; Fantin, Marianna; Vizler, Csaba.

In: Advances in Experimental Medicine and Biology, Vol. 593, 2007, p. 95-104.

Research output: Contribution to journalArticle

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