adipose tissue
• reduction in visceral fat mass
• fat tissue from Western diet-fed mice shows a diet-induced increase in the fat-to-water ratio; this is not seen on a standard diet
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• lower absolute and relative body fat content
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• average size of adipocytes in perigonadal fat pads is lower
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behavior/neurological
• food intake is reduced during the light and dark phase
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• mice show a reduced motor activity during the dark period but not during the light phase
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• mice show reduced locomotion in the open field
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• mice show increased heat tolerance on the hot plate test
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growth/size/body
• lean mass relative to the body weight is increased
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homeostasis/metabolism
• fasting serum insulin levels are only slightly lower
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• cholesterol is reduced only in the VLDL fraction
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• mice show a small, but significant, increase in body temperature
• however, no differences in the respiratory and metabolic rates are seen
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• mice show improved glucose tolerance in oral glucose tolerance tests
• Western diet-fed mice show improved glucose tolerance following intraperitoneal glucose application
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• females fed a Western diet show improved insulin sensitivity compared to wild-type females, indicating that diet-induced insulin resistance is reduced
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• lower triacylglyceride levels; triacylglyceride levels are lower in all three lipoprotein fractions (LDL, HDL, VLDL)
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