Herbimycin A, an Inhibitor of Tyrosine Kinase, Prolongs Survival of Mice Inoculated with Myeloid Leukemia CI Cells with High Expression of v-abl Tyrosine Kinase

Yoshio Honma, Junko Okabe-Kado, Takashi Kasukabe, Motoo Hozumi, Hiroaki Kodama, Sachiko Kajigaya, Toshio Suda, Yoshisada Miura

研究成果: Article査読

26 被引用数 (Scopus)

抄録

Herbimycin A, a benzoquinonoid ansamycin antibiotic, reduces intracellular phosphorylation by some tyrosine kinases, including v-abl. The mouse megakaryoblastic cell line CI expresses v-abl protein at high levels. Herbimycin A at about 20 ng/ml caused 50% inhibition of growth of CI cells but at 100 ng/ml scarcely affected the growth of another mouse leukemia cell line, Ml cells, or of normal bone marrow cells. Injection of 106 CI cells into nude mice resulted in death of all the mice within 30 days. Administration of herbimycin A significantly enhanced the survival of mice inoculated with CI cells but scarcely affected the survival of mice inoculated with Ml cells. These results suggest that herbimycin A and/or related compounds may be useful for treatment of some types of leukemia in which tyrosine kinase activity is implicated as a determinant of the oncogenic state.

本文言語English
ページ(範囲)4017-4020
ページ数4
ジャーナルCancer Research
52
14
出版ステータスPublished - 1992 7

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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