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Arch Iran Med. 2014;17(4): 0-0.
PMID: 24724605
Scopus ID: 84899627980
  Abstract View: 612
  PDF Download: 566

Original Article

Ferulago angulata Flower and Leaf Extracts Inhibit Angiogenesis in vitro through Reducing VEGF-A and VEGFR-2 Genes Expression

Somaye Mirzaaghaei, Hassan Akrami * , Kamran Mansouri

Abstract

BACKGROUND: Ferulago angulata (Apiacea) has been used in Iranian traditional medicine since ancient times and its various health care and pharmacological benefits have been demonstrated recently. In this study, for the first time, we have investigated the effects of F. angulata flower and leaf ethanol extracts on angiogenesis, as the key process in tumor growth, invasion and metastasis.
METHODS: Cytotoxic effects of different concentrations (20–140 µg/mL) of each extract were assessed on human umbilical vein endothelial cells (HUVECs) using neutral red uptake assay. After evaluating the less toxic concentrations (up to 80 µg/mL), we performed three-dimensional angiogenesis, tube formation and migration assays to assess the key properties of HUVECs, including the angiogenesis process, in response to the extracts. Finally, quantitative gene expression analysis of VEGF-A and VEGFR-2, two critical mediators of angiogenesis, was performed using real-time RT-PCR.
RESULTS: Both flower and leaf extracts exhibited concentration-dependent inhibition of sprouting, tube formation and migration capacities of HUVECs. For the flower extract, the respective IC50 values were 25.79, 26.52 and 38.92 µg/mL while for the leaf extract, the corresponding IC50 values were 34.18, 41.24 and 28.69 µg/mL. Both flower and leaf extracts downregulated VEGF-A and VEGFR-2 genes relative to the GAPDH gene as the internal control at concentrations of 60 and 80 µg/mL, respectively.
CONCLUSION: These findings suggest that both flower and leaf extracts may contain anti-angiogenic compounds and may have the capacity to be utilized in tumor anti-angiogenic therapy strategies.

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ePublished: 01 Apr 2014
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