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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

A high-fat diet containing whole walnuts (Juglans regia) reduces tumour size and growth along with plasma insulin-like growth factor 1 in the transgenic adenocarcinoma of the mouse prostate model.

Abstract Source:

Br J Nutr. 2012 Jan 16:1-9. Epub 2012 Jan 16. PMID: 22244053

Abstract Author(s):

Paul A Davis, Vihas T Vasu, Kishorchandra Gohil, Hyunsook Kim, Imran H Khan, Carroll E Cross, Wallace Yokoyama

Article Affiliation:

Department of Nutrition, University of California, Davis, CA 95616, USA.

Abstract:

Prostate cancer (PCa) has been linked to fat intake, but the effects of both different dietary fat levels and types remain inconsistent and incompletely characterised. The effects on PCa in the transgenic adenocarcinoma of the mouse prostate (TRAMP) cancer model of an elevated fat (20 % of energy as fat) diet containing 155 g of whole walnuts were compared to those of an elevated fat (20 % of energy as soyabean oil) diet with matched macronutrients, tocopherols as well as a low-fat (8 % of energy as soyabean oil) diet. Mice, starting at 8 weeks of age, consumed one of the three different diets ad libitum; and prostates, livers and blood were obtained after 9, 18 or 24 weeks of feeding. No differences were observed in whole animal growth rates in either high-fat (HF) diet group, but prostate tumour weight and growth rate were reduced in the walnut diet group. Walnut diet group prostate weight, plasma insulin-like growth factor 1, resistin and LDL were lower at 18 weeks, while no statistically significant prostate weight differences by diet were seen at 9 or 24 weeks. Multiple metabolites in the livers differed by diet at 9 and 18 weeks. The walnut diet's beneficial effects probably represent the effects of whole walnuts' multiple constituents and not via a specific fatty acid or tocopherols. Moreover, as the two HF diets had dissimilar effects on prostate tumour growth rate and size, and yet had the same total fat and tocopherol composition and content, this suggests that these are not strongly linked to PCa growth.

Study Type : Transgenic Animal Study
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Pharmacological Actions : Chemotherapeutic : CK(397) : AC(152)

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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