Active component of Danshen (Salvia miltiorrhiza Bunge), Tanshinone I, attenuates lung tumorigenesis via inhibitions of VEGF, Cyclin A, and Cyclin B expressions

Yu Tang Tung, Hsiao Ling Chen, Cheng Yu Lee, Yu Ching Chou, Po Ying Lee, Hsin Chung Tsai, Yi Ling Lin, Chuan Mu Chen

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Abstract

Tanshinone I (T1) and tanshinone II (T2) are the major diterpenes isolated from Danshen (Salvia miltiorrhiza Bunge). Three human lung adenocarcinoma cell lines, A549, CL1-0, and CL1-5, were treated with T1 and T2 for the in vitro antitumor test. Results showed that T1 was more effective than T2 in inhibiting the growth of lung cancer cells via suppressing the expression of VEGF, Cyclin A, and Cyclin B proteins in a dose-dependent manner. Moreover, a transgenic mice model of the human vascular endothelial growth factor-A(h V E G F - A 165) gene-induced pulmonary tumor was further treated with T1 for the in vivo lung cancer therapy test. T1 significantly attenuated hVEGF-Aoverexpression to normal levels of the transgenic mice (Tg) that were pretreated with human monocytic leukemia THP-1 cell-derived conditioned medium (CM). It also suppressed the formation of lung adenocarcinoma tumors (16.7%) compared with two placebo groups (50% for Tg/Placebo and 83.3% for Tg/CM/Placebo; P < 0.01). This antitumor effect is likely to slow the progression of cells through the S and G2/M phases of the cell cycle. Blocking of the tumor-activated cell cycle pathway may be a critical mechanism for the observed antitumorigenic effects of T1 treatment on vasculogenesis and angiogenesis.

Original languageEnglish
Article number319247
JournalEvidence-based Complementary and Alternative Medicine
Volume2013
DOIs
Publication statusPublished - 2013
Externally publishedYes

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Salvia miltiorrhiza
Cyclin B
Cyclin A
Vascular Endothelial Growth Factor A
Carcinogenesis
Placebos
Conditioned Culture Medium
Lung
Transgenic Mice
Lung Neoplasms
Cell Cycle
Neoplasms
Diterpenes
G2 Phase
Cell Division
Leukemia
Therapeutics
Growth
Genes
tanshinone

ASJC Scopus subject areas

  • Complementary and alternative medicine

Cite this

Active component of Danshen (Salvia miltiorrhiza Bunge), Tanshinone I, attenuates lung tumorigenesis via inhibitions of VEGF, Cyclin A, and Cyclin B expressions. / Tung, Yu Tang; Chen, Hsiao Ling; Lee, Cheng Yu; Chou, Yu Ching; Lee, Po Ying; Tsai, Hsin Chung; Lin, Yi Ling; Chen, Chuan Mu.

In: Evidence-based Complementary and Alternative Medicine, Vol. 2013, 319247, 2013.

Research output: Contribution to journalArticle

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abstract = "Tanshinone I (T1) and tanshinone II (T2) are the major diterpenes isolated from Danshen (Salvia miltiorrhiza Bunge). Three human lung adenocarcinoma cell lines, A549, CL1-0, and CL1-5, were treated with T1 and T2 for the in vitro antitumor test. Results showed that T1 was more effective than T2 in inhibiting the growth of lung cancer cells via suppressing the expression of VEGF, Cyclin A, and Cyclin B proteins in a dose-dependent manner. Moreover, a transgenic mice model of the human vascular endothelial growth factor-A(h V E G F - A 165) gene-induced pulmonary tumor was further treated with T1 for the in vivo lung cancer therapy test. T1 significantly attenuated hVEGF-Aoverexpression to normal levels of the transgenic mice (Tg) that were pretreated with human monocytic leukemia THP-1 cell-derived conditioned medium (CM). It also suppressed the formation of lung adenocarcinoma tumors (16.7{\%}) compared with two placebo groups (50{\%} for Tg/Placebo and 83.3{\%} for Tg/CM/Placebo; P < 0.01). This antitumor effect is likely to slow the progression of cells through the S and G2/M phases of the cell cycle. Blocking of the tumor-activated cell cycle pathway may be a critical mechanism for the observed antitumorigenic effects of T1 treatment on vasculogenesis and angiogenesis.",
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