A Radiometric Method For Evaluation Of Chemotherapy Sensitivity: Results Of Screening A Panel Of Human Breast Cancer Cell Lines

Carlos L. Arteaga, Barbara J. Forseth, Gary M. Clark, Daniel D. Von Hoff

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We have used a radiometric method to screen for chemotherapy sensitivity among a panel of human breast cancer cell lines. This method utilizes the inhibition of conversion of [14C]glucose to 14C02 as an index of cytotoxicity. Nine different breast cancer cell lines were exposed for 1 h to 4 different concentrations of several antineoplastic agents with and without documented clinical activity against breast cancer. Cytotoxic effects were analyzed as a function of the ratio of the concentration required to inhibit cell growth to 50% of control to Vio of the known peak plasma concentration in humans for each particular drug. The drug-induced inhibition of 14C production by breast cancer tumor cells correlated strongly with the drug-induced antiproliferative effect (P < 0.002) and with the inhibition of colony formation in a soft agar cloning assay (P < 0.05). The HS578T cell line and one of the MCF7 cell lines exhibited a chemosensitivity pattern consistent with the clinical responsiveness of human breast cancer to the agents tested. Most of the other cell lines exhibited resistance to clinically active agents, especially the cell lines obtained from patients exposed to prior chemotherapy. These results suggest that this radiometric method measures a drug-induced metabolic effect that correlates with the antiproliferative activity of antineoplastic agents on breast cancer cells. The HS578T and the MCF7-KO cell lines, tested in this system, could be a useful screen for new anticancer compounds with activity against human breast cancer.

Original languageEnglish (US)
Pages (from-to)6248-6253
Number of pages6
JournalCancer Research
Volume47
Issue number23
StatePublished - Jan 1 1987

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Breast Neoplasms
Drug Therapy
Cell Line
MCF-7 Cells
Pharmaceutical Preparations
Antineoplastic Agents
Human Activities
Agar
Organism Cloning
Glucose
Growth

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

A Radiometric Method For Evaluation Of Chemotherapy Sensitivity : Results Of Screening A Panel Of Human Breast Cancer Cell Lines. / Arteaga, Carlos L.; Forseth, Barbara J.; Clark, Gary M.; Von Hoff, Daniel D.

In: Cancer Research, Vol. 47, No. 23, 01.01.1987, p. 6248-6253.

Research output: Contribution to journalArticle

Arteaga, Carlos L. ; Forseth, Barbara J. ; Clark, Gary M. ; Von Hoff, Daniel D. / A Radiometric Method For Evaluation Of Chemotherapy Sensitivity : Results Of Screening A Panel Of Human Breast Cancer Cell Lines. In: Cancer Research. 1987 ; Vol. 47, No. 23. pp. 6248-6253.
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