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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-9616

Dreiseitel, A; Schreier, P; Oehme, A; Locher, S; Rogler, G; Piberger, H; Hajak, G; Sand, P G (2008). Inhibition of proteasome activity by anthocyanins and anthocyanidins. Biochemical and Biophysical Research Communications (BBRC), 372(1):57-61.

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Recent reports have demonstrated multiple benefits associated with the consumption of berry fruits, including a decreased vulnerability to oxidative stress, reduced ischemic brain damage, protection of neurons from stroke-induced damage and the reversal of age-related changes in brain and behaviour. Berry fruits contain high amounts of anthocyanins, which play a major role as free radical scavengers. The present study addresses proteasome inhibition as a further mechanism by which anthocyanins and their aglycons, the anthocyanidins, may exert health-promoting effects. HL-60 cells were incubated with 19 test substances and inhibition of the chymotrypsin-like enzyme activity was determined in a chemiluminescent assay. Anthocyanins and their aglycons achieved IC(50) values ranging from 7.8 microM for kaempferidinidin and pelargonidin, to 32.4 microM for delphinidin. Thus proteasome inhibitory properties of anthocyanins may contribute to their known anticarcinogenic, antioxidative, anti-inflammatory and neuroprotective activities, rationalizing dietary supplementations with anthocyanins in the prevention and treatment of chronic diseases, including neurodegenerative disorders.


21 citations in Web of Science®
24 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Gastroenterology and Hepatology
Dewey Decimal Classification:610 Medicine & health
Date:18 July 2008
Deposited On:12 Jan 2009 12:42
Last Modified:05 Apr 2016 12:47
Publisher DOI:10.1016/j.bbrc.2008.04.140
PubMed ID:18460339

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