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Adv Pharm Bull. 2018;8(1):131-139.
doi: 10.15171/apb.2018.016
PMID: 29670848
PMCID: PMC5896388
Scopus id: 85044032408
  Abstract View: 717
  PDF Download: 662

Research Article

Teucrium polium Extract Enhances the Anti-Angiogenesis Effect of Tranilast on Human Umbilical Vein Endothelial Cells

Fatemeh Sheikhbahaei 1, Mozafar Khazaei 2, Seyed Noureddin Nematollahi-Mahani 3 *

1 Department of Anatomy, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
2 Fertility and Infertility Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
3 Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.

Abstract

Purpose: Angiogenesis plays an important role in numerous pathophysiological events like cancer. As a result of this, tranilast as an anti-fibrotic drug induces the promising antitumor activities through the inhibition of angiogenesis. Further, Teucrium polium (TP) is a herbal medicine (family Lamaceae) with antitumor properties. This study was conducted to investigate the combination effects of tranilast and T. polium on human umbilical vein endothelial cells (HUVECs) viability and apoptotic genes expression. Methods: The HUVECs line was treated using different doses of tranilast and T. polium alone or their combination. The cell cytotoxicity was evaluated using MTT and LDH assays; apoptosis was examined using acridine orange/ethidium bromide staining, nitric oxide (NO) production was evaluated using Griess reaction and the expression of BAX and BCL-2 genes were detected using real-time RT-PCR. One-way analysis of variance (ANOVA) test was used to compare the data in different groups. Results: The survival rate of HUVECs was significantly reduced (p<0.05) in a dose dependent manner by tranilast and T. polium. However, T. polium and tranilast combination significantly (p<0.001) reduced cell viability and increased apoptotic cells as compared to each drug alone. Also, HUVECs treated with Tranilast / T. polium combination showed a reduced level of NO as regards to cells exposed only to Tranilast or T. polium (p<0.05). Furthermore, a significant increase in BAX and a decrease in BCL-2 mRNA expression were observed in combination group (p<0.001). Conclusion: T. polium synergistically increased the antiangiogenic effect of tranilast on in vitro angiogenic model of HUVECs.
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Submitted: 05 Jan 2018
Revised: 26 Feb 2018
Accepted: 28 Feb 2018
First published online: 28 Feb 2018
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