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Article Publish Status: FREE
Abstract Title:

Effect of nordihydroguaiaretic acid on cell viability and glucose transport in human leukemic cell lines.

Abstract Source:

FEBS Open Bio. 2016 Oct ;6(10):1000-1007. Epub 2016 Aug 23. PMID: 27761359

Abstract Author(s):

David Leon, Daniela Parada, Mauricio Vargas-Uribe, Alejandra A Perez, Lorena Ojeda, Angara Zambrano, Alejandro M Reyes, Mónica Salas

Article Affiliation:

David Leon

Abstract:

The polyphenol nordihydroguaiaretic acid (NDGA) has antineoplastic properties, hence it is critical to understand its action at the molecular level. Here, we establish that NDGA inhibits glucose uptake and cell viability in leukemic HL-60 and U-937 cell lines. We monitored hexose uptake using radio-labeled 2-deoxyglucose (2DG) and found that the inhibition by NDGA followed a noncompetitive mechanism. In addition, NDGA blocked hexose transport in human red blood cells and displaced prebound cytochalasin B from erythrocyte ghosts, suggesting a direct interaction with the glucose transporter GLUT1. We propose a model for the mechanism of action of NDGA on glucose uptake. Our study shows for the first time that NDGA can act as inhibitor of the glucose transporter GLUT1.

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Sayer Ji
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