Abstract Title:

Improvement of lymphocyte resistance against H(2)O(2)-induced DNA damage in Sprague-Dawley rats after eight weeks of a wild blueberry (Vaccinium angustifolium)-enriched diet.

Abstract Source:

Cancer Epidemiol Biomarkers Prev. 2009 Apr;18(4):1157-66. Epub 2009 Mar 31. PMID: 20800697

Abstract Author(s):

Cristian Del Bo', Daniela Martini, Stefano Vendrame, Patrizia Riso, Salvatore Ciappellano, Dorothy Klimis-Zacas, Marisa Porrini

Article Affiliation:

Dipartimento di Scienze e Tecnologie Alimentari e Microbiologiche, Sezione Nutrizione, via Celoria n.2, Università degli Studi di Milano, 20133 Milano, Italy.


The effect of wild-blueberry consumption on the resistance of H(2)O(2)-induced DNA damage was evaluated in the Sprague-Dawley (SD) rat. Thirty-two, four week-old SD rats were randomly assigned to two groups of sixteen rats each and fed a control diet (C) or a wild-blueberry (WB) diet for four or eight weeks. Following the dietary treatment, plasma antioxidant capacity was assessed by the TRAP assay. Ex vivo protection from H(2)O(2)-induced DNA damage was evaluated in lymphocytes by means of the comet assay. No significant effect was detected in plasma antioxidant capacity at four and eight weeks in both dietary groups. In contrast, the level of DNA damage was significantly lower in rats fed the WB diet compared with those on the C diet after eight weeks (11.2+/-1.0% vs 17.2+/-2.4% DNA in tail, p

Study Type : Animal Study

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