Triflavin, an Arg-Gly-Asp-containing antiplatelet peptide inhibits cell-substratum adhesion and melanoma cell-induced lung colonization

Joen R. Sheu, Chao H. Lin, Jih L. Chung, Che M. Teng, Tur F. Huang

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Triflavin, an Arg-Gly-Asp (RGD) containing peptide purified from Trimeresurus flavoviridis snake venom, inhibits human platelet aggregation by blocking fibrinogen binding to fibrinogen receptors associated with glycoprotein IIb IIIa complex. In this study, we show that triflavin (1-30 μg/mouse) inhibits B16-F10 melanoma cell-induced lung colonization in C57BL 6 mice in a dose-dependent manner. In vitro, triflavin dose-dependently inhibits adhesion of B16-F10 melanoma cells to extracellular matrices (ECMs; i.e., fibronectin, fibrinogen, vitronectin, and collagen type I). Triflavin is approximately 600-800 times more potent than GRGDS at inhibiting cell adhesion. In addition, triflavin dose-dependently inhibits B16-F10 cell-induced platelet aggregation. These results imply that the inhibitory effect of triflavin on the adhesion of tumor cells to ECMs (e.g., fibronectin, vitronectin and collagen type I) and/or tumor cell-induced platelet aggregation may be partially responsible for its antimetastatic activity in C57BL 6 mice.

Original languageEnglish
Pages (from-to)885-893
Number of pages9
JournalJapanese Journal of Cancer Research
Volume83
Issue number8
Publication statusPublished - Aug 1992
Externally publishedYes

Fingerprint

Cell Adhesion
Melanoma
Lung
Peptides
Platelet Aggregation
Vitronectin
Experimental Melanomas
Collagen Type I
Inbred C57BL Mouse
Fibronectins
Fibrinogen
glycyl-arginyl-glycyl-aspartyl-serine
Trimeresurus
Fibrinogen Receptors
Platelet Glycoprotein GPIIb-IIIa Complex
Snake Venoms
Extracellular Matrix
triflavin
Neoplasms

Keywords

  • Extracellular matrix
  • RGD-containing peptide
  • Tumor cell metastasis

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Triflavin, an Arg-Gly-Asp-containing antiplatelet peptide inhibits cell-substratum adhesion and melanoma cell-induced lung colonization. / Sheu, Joen R.; Lin, Chao H.; Chung, Jih L.; Teng, Che M.; Huang, Tur F.

In: Japanese Journal of Cancer Research, Vol. 83, No. 8, 08.1992, p. 885-893.

Research output: Contribution to journalArticle

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abstract = "Triflavin, an Arg-Gly-Asp (RGD) containing peptide purified from Trimeresurus flavoviridis snake venom, inhibits human platelet aggregation by blocking fibrinogen binding to fibrinogen receptors associated with glycoprotein IIb IIIa complex. In this study, we show that triflavin (1-30 μg/mouse) inhibits B16-F10 melanoma cell-induced lung colonization in C57BL 6 mice in a dose-dependent manner. In vitro, triflavin dose-dependently inhibits adhesion of B16-F10 melanoma cells to extracellular matrices (ECMs; i.e., fibronectin, fibrinogen, vitronectin, and collagen type I). Triflavin is approximately 600-800 times more potent than GRGDS at inhibiting cell adhesion. In addition, triflavin dose-dependently inhibits B16-F10 cell-induced platelet aggregation. These results imply that the inhibitory effect of triflavin on the adhesion of tumor cells to ECMs (e.g., fibronectin, vitronectin and collagen type I) and/or tumor cell-induced platelet aggregation may be partially responsible for its antimetastatic activity in C57BL 6 mice.",
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AU - Teng, Che M.

AU - Huang, Tur F.

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