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Title 

An isoaurone and other constituents from Trichosanthes kirilowii seeds inhibit hypoxia-inducible factor-1 and nuclear factor-kappaB

Authors 

N T DatX JinYoung-Soo HongJung Joon Lee

Publisher 

American Chemical Society

Issue Date 

2010

Citation 

Journal of Natural Products, vol. 73, no. 6, pp. 1167-1169

Abstract 

Hypoxia-inducible factor-1 and nuclear factor-κB have become important targets in cancer treatment due to their critical role in the regulation of genes involved in tumorigenesis. Bioassay-guided fractionation of the methanol extract of Trichosanthes kirilowii seeds led to the isolation of a naturally rare isoaurone, 4′,6-dihydroxy-4-methoxyisoaurone (1), together with three known compounds, cucurbitacin B (2), 6-(3-hydroxy-4-methoxystyryl)-4- methoxy-2H-pyran-2-one (3), and blumenol A (4). All compounds inhibited HIF-1 and NF-κB activities in reporter assays. Compounds 1-3 potently inhibited HIF-1α accumulation and VEGF secretion under hypoxic condition. These results suggest that the tumor cell growth inhibitory activity of T. kirilowii is likely associated with the inhibition of HIF-1 and NF-κB activities.

ISSN 

0163-3864

Link 

http://dx.doi.org/10.1021/np900820p

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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