Abstract:
:The flavanone hesperetin is known to decrease basal glucose uptake, although the inhibitory mechanism is largely unknown. Here, we used MDA-MB-231 breast cancer cells to investigate the molecular pathways affected by hesperetin. The results indicate that the suppression of glucose uptake is caused by the down-regulation of glucose transporter 1 (GLUT1). Hesperetin was also found to inhibit insulin-induced glucose uptake through impaired cell membrane translocation of glucose transporter 4 (GLUT4). In addition, the phosphorylation of the insulin receptor-beta subunit (IR-beta) and Akt was suppressed. Hesperetin also decreased cellular proliferation, which is likely due to the inhibition of glucose uptake. Cancer cells are highly dependent on glucose and hesperetin may, therefore, have potential application as an anticancer agent.
journal_name
Cell Biochem Functjournal_title
Cell biochemistry and functionauthors
Yang Y,Wolfram J,Boom K,Fang X,Shen H,Ferrari Mdoi
10.1002/cbf.2905subject
Has Abstractpub_date
2013-07-01 00:00:00pages
374-9issue
5eissn
0263-6484issn
1099-0844journal_volume
31pub_type
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