Induction of urokinase-type plasminogen activator by the anthracycline antibiotic in human RC-K8 lymphoma and H69 lung-carcinoma cells

Toru Kiguchi, Kenji Niiya, Misako Shibakura, Takayoshi Miyazono, Katsuji Shinagawa, Fumihiko Ishimaru, Katsuyuki Kiura, Kazuma Ikeda, Yasunari Nakata, Mine Harada

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Current evidence has suggested the possible involvement of ROS as signaling messengers in IL-1β- or LPS-induced gene expression. We previously reported that both IL-1β and LPS induce uPA in RC-K8 human lymphoma cells. Here, we provide evidence that ROS-generating anthracycline antibiotics, including doxorubicin and aclarubicin, upregulate uPA expression in 2 human malignant cell lines, RC-K8 and H69 small-cell lung-carcinoma cells. Both doxorubicin and aclarubicin markedly increased uPA accumulation in RC-K8- and H69-conditioned medium in a dose-dependent manner. In each case, maximal induction was observed at a sublethal concentration, i.e., at a concentration where cell growth was slightly inhibited. Both doxorubicin and aclarubicin increased uPA mRNA levels, and induction in each case reached the maximal level 9 hr after stimulation. Doxorubicin barely changed the half-life of uPA mRNA and activated uPA gene transcription. Antioxidants such as NAC and PDTC inhibited doxorubicin-induced uPA mRNA accumulation. Microarray analysis, using Human Cancer CHIP version 2 (Takara Shuzo, Kyoto, Japan), in which 425 human cancer-related genes were spotted on glass plates, revealed that uPA is 1 of 3 genes that were clearly upregulated in H69 cells by doxorubicin stimulation. These findings suggest that the anthracycline induces uPA in human malignant cells by activating gene transcription in which ROS may be involved. Therefore, by upregulating uPA expression, the anthracycline may influence many biologic cell functions mediated by the uPA/plasmin system.

Original languageEnglish
Pages (from-to)792-797
Number of pages6
JournalInternational Journal of Cancer
Volume93
Issue number6
DOIs
Publication statusPublished - Sep 15 2001

Fingerprint

Anthracyclines
Urokinase-Type Plasminogen Activator
Doxorubicin
Lymphoma
Aclarubicin
Anti-Bacterial Agents
Carcinoma
Lung
Interleukin-1
Messenger RNA
Genes
Neoplasm Genes
Fibrinolysin
Small Cell Lung Carcinoma
Microarray Analysis
Conditioned Culture Medium
Glass
Half-Life
Japan
Up-Regulation

Keywords

  • Anthracycline
  • Gene expression
  • Lymphoma cells
  • Oxidative stress
  • Small-cell lung carcinoma
  • Urokinase

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Induction of urokinase-type plasminogen activator by the anthracycline antibiotic in human RC-K8 lymphoma and H69 lung-carcinoma cells. / Kiguchi, Toru; Niiya, Kenji; Shibakura, Misako; Miyazono, Takayoshi; Shinagawa, Katsuji; Ishimaru, Fumihiko; Kiura, Katsuyuki; Ikeda, Kazuma; Nakata, Yasunari; Harada, Mine.

In: International Journal of Cancer, Vol. 93, No. 6, 15.09.2001, p. 792-797.

Research output: Contribution to journalArticle

Kiguchi, Toru ; Niiya, Kenji ; Shibakura, Misako ; Miyazono, Takayoshi ; Shinagawa, Katsuji ; Ishimaru, Fumihiko ; Kiura, Katsuyuki ; Ikeda, Kazuma ; Nakata, Yasunari ; Harada, Mine. / Induction of urokinase-type plasminogen activator by the anthracycline antibiotic in human RC-K8 lymphoma and H69 lung-carcinoma cells. In: International Journal of Cancer. 2001 ; Vol. 93, No. 6. pp. 792-797.
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