In-vitro growth inhibition of chemotherapy and molecular targeted agents in hepatocellular carcinoma

Alex Y Chang, Miao Wang

Research output: Contribution to journalArticle

Abstract

Hepatocellular carcinoma (HCC) is one of the most common and challenging malignant disease. The prognosis is poor in patients with advanced disease. Although sorafenib prolongs survival in these patients, improvement remains modest. We used doxorubicin and sorafenib as controls and screened eight new agents including ixabepilone, gefitinib, cetuximab, brivanib, dasatinib, sunitinib, BMS-690514, and BMS-536924 against nine HCC cell lines and evaluated their interactions. We studied growth inhibition of 10 drugs against nine HCC cell lines. Single-agent activity was tested using an MTS assay. Combination studies were carried out in both resistant and sensitive cells to determine the combination index. The IC50 of each agent varied widely among nine cell lines. Ixabepilone was more potent than doxorubicin. HT-17 cells were more sensitive to gefitinib and cetuximab than the other eight cell lines. BMS-536924 showed good efficacy (IC50≤1 μmol/l) on all three α-fetoprotein (AFP)-producing cell lines (HepG2, Hep3B, Huh-7). Three cell lines showed moderate sensitivity to dasatinib (IC50≤1 μmol/l). Dasatinib showed the most frequent and strongest synergism with ixabepilone, gefitinib, brivanib, BMS-690514, or BMS-536924. Ixabepilone, sorafenib, brivanib, dasatinib, and BMS-536924 are active against HCC cell lines. The heterogeneity of the sensitivity of each cell line emphasizes the need for individualized treatment. The sensitivity to BMS-536924 is closely associated with the production of AFP. AFP may be a biomarker predicting response to the insulin-like growth factor-1 receptor inhibitor in HCC patients. Additional studies are warranted. The synergism between dasatinib and other agents also provides future research directions to understand drug resistance and improve outcome.

Original languageEnglish (US)
Pages (from-to)251-259
Number of pages9
JournalAnti-Cancer Drugs
Volume24
Issue number3
DOIs
StatePublished - Mar 2013

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Hepatocellular Carcinoma
Drug Therapy
Cell Line
Fetal Proteins
Growth
Doxorubicin
Somatomedin Receptors
In Vitro Techniques
Drug Resistance
Inhibitory Concentration 50
Biomarkers
BMS 536924
Dasatinib
Survival
ixabepilone
Pharmaceutical Preparations
brivanib
sorafenib
gefitinib

Keywords

  • chemotherapy
  • combination therapy
  • growth inhibition
  • hepatocellular carcinoma
  • targeted therapy

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)
  • Cancer Research
  • Oncology

Cite this

In-vitro growth inhibition of chemotherapy and molecular targeted agents in hepatocellular carcinoma. / Chang, Alex Y; Wang, Miao.

In: Anti-Cancer Drugs, Vol. 24, No. 3, 03.2013, p. 251-259.

Research output: Contribution to journalArticle

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