Antineoplastic activity of taxol against human anaplastic thyroid carcinoma cell lines in vitro and in vivo

Kenneth B. Ain, Sharmen Tofiq, Kimberly D. Taylor

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

Anaplastic thyroid carcinoma is a rapidly fatal neoplasm that fails to adequately respond to any known chemotherapeutic regimen. We tested taxol (paclitaxel) against six human anaplastic thyroid carcinoma cell lines (DRO- 90, ARO-81, KAT-4. KAT-18, SW-1736, and BHT-101). Each cell line monolayer culture, in log phase growth, was treated with taxol concentrations ranging from 0.001-5.0 μmol/L. Cell numbers, after 24-, 48-, and 72-h growth periods in separate experiments, were expressed as percentages of control cell numbers without taxol. All cell lines showed maximal inhibition with 0.05 μmol/L taxol at 3-28% of control cell numbers. Greater inhibition was seen with longer growth periods. Three cell lines (DRO-90, ARO-81, and KAT-4) were grown as sc xenograft tumors in nude mice for 18-26 days. Treatment groups received sc taxol injections in sites distant from the tumors, whereas control mice received vehicle. All taxol-treated xenografts were inhibited to near-starting volume or disappeared, whereas control xenograft volumes increased 9- to 59-fold. These results suggest that taxol may have beneficial clinical effects in anaplastic thyroid carcinoma patients.

Original languageEnglish
Pages (from-to)3650-3653
Number of pages4
JournalJournal of Clinical Endocrinology and Metabolism
Volume81
Issue number10
DOIs
StatePublished - 1996

Funding

FundersFunder number
National Childhood Cancer Registry – National Cancer InstituteR29CA058935

    ASJC Scopus subject areas

    • Endocrinology, Diabetes and Metabolism
    • Biochemistry
    • Endocrinology
    • Clinical Biochemistry
    • Biochemistry, medical

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