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Prevention Research

Abstract LB-263: Effects of black raspberry diet on the metabolomic profile of C57BL/6J mouse tissues

Chad W. Skaer, Pan Pan, Matthew Young, Hsin Tzu Wang, Kiyoko Oshima, Yi-Wen Huang, Gary D. Stoner, John Lechner and Li-Shu Wang
Chad W. Skaer
Medical College of Wisconsin, Milwaukee, WI;
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Pan Pan
Medical College of Wisconsin, Milwaukee, WI;
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Matthew Young
National Cancer Institute, Frederick, MD.
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Hsin Tzu Wang
Medical College of Wisconsin, Milwaukee, WI;
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Kiyoko Oshima
Medical College of Wisconsin, Milwaukee, WI;
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Yi-Wen Huang
Medical College of Wisconsin, Milwaukee, WI;
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Gary D. Stoner
Medical College of Wisconsin, Milwaukee, WI;
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John Lechner
Medical College of Wisconsin, Milwaukee, WI;
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Li-Shu Wang
Medical College of Wisconsin, Milwaukee, WI;
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DOI: 10.1158/1538-7445.AM2015-LB-263 Published August 2015
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Proceedings: AACR 106th Annual Meeting 2015; April 18-22, 2015; Philadelphia, PA

Abstract

In our previous work, a diet containing 5% freeze-dried black raspberries (BRB) was shown to significantly inhibit colorectal cancer in ApcMin mice. Studies in recent years have shown that metabolomics may help to elucidate the anti-cancer effects of dietary factors. Initially, therefore, we evaluated the effects of black raspberries on the metabolomic profiles of C57BL/6J mice, the mouse strain from which ApcMin mice were derived. In this study, we report the effects of the BRB diet on the metabolomic profiles from C57BL/6J mice. After 8 weeks on a 5% BRB or control AIN-76A diet, feces, liver, and colon mucosa tissues from 9 BRB-fed mice and 7 control-diet fed mice were collected and profiled using mass spectrometry. A total of 424 named metabolites were observed in the liver, feces, and colon mucosa, with 115 metabolites whose levels were significantly different between BRB and control-diet mice (P<0.05). Of these 115 differentiated metabolites, 41 were altered in the colon mucosa, and 38 and 44 metabolites were different in the feces and liver, respectively. Almost all of the changed metabolites in the colon mucosa (36 of 41) were downregulated by the BRB diet, whereas in the feces and liver the majority were upregulated (58 of 82). Included in the upregulated metabolites were lipids and amino acids in the feces and liver tissue. Benzoate derivatives, the product of gut bacteria metabolism of BRB polyphenols, were also up in all tissues. Among the downregulated metabolites were lipids in the colon mucosa and lysolipids in the liver. The decreased levels of lipid metabolites, particularly fatty acids, in the colon mucosa of mice indicates that antagonizing fatty acid synthesis is a potential mechanism by which the BRB diet is altering energy utilization in the colon mucosa of mice.

Citation Format: Chad W. Skaer, Pan Pan, Matthew Young, Hsin Tzu Wang, Kiyoko Oshima, Yi-Wen Huang, Gary D. Stoner, John Lechner, Li-Shu Wang. Effects of black raspberry diet on the metabolomic profile of C57BL/6J mouse tissues. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr LB-263. doi:10.1158/1538-7445.AM2015-LB-263

  • ©2015 American Association for Cancer Research.
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Cancer Research: 75 (15 Supplement)
August 2015
Volume 75, Issue 15 Supplement
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Abstract LB-263: Effects of black raspberry diet on the metabolomic profile of C57BL/6J mouse tissues
Chad W. Skaer, Pan Pan, Matthew Young, Hsin Tzu Wang, Kiyoko Oshima, Yi-Wen Huang, Gary D. Stoner, John Lechner and Li-Shu Wang
Cancer Res August 1 2015 (75) (15 Supplement) LB-263; DOI: 10.1158/1538-7445.AM2015-LB-263

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Abstract LB-263: Effects of black raspberry diet on the metabolomic profile of C57BL/6J mouse tissues
Chad W. Skaer, Pan Pan, Matthew Young, Hsin Tzu Wang, Kiyoko Oshima, Yi-Wen Huang, Gary D. Stoner, John Lechner and Li-Shu Wang
Cancer Res August 1 2015 (75) (15 Supplement) LB-263; DOI: 10.1158/1538-7445.AM2015-LB-263
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Cancer Research Online ISSN: 1538-7445
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