homeostasis/metabolism
• basal uptake of 2-deoxyglucose in glycolytic and oxidative muscle trend higher in transgenic mice compared to wild-type
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• tolerance is impaired at 15, 30, and 60 minutes after glucose challenge in 3-month old males
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• in response to insulin, 2-deoxyglucose uptake is impaired in glycolytic muscle, while uptake is stimulated ~2-fold in wild-type glycolytic muscle by insulin
• 3-month old male mice show impaired insulin tolerance with higher glucose levels 60 minutes after insulin injection compared to wild-type
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• at 3 months in males, diglyceride levels are 42% lower in glycolytic muscle compared to wild-type; ceramide levels are 63% higher and some saturated acyl CoA species are elevated also whereas levels in oxidative muscle are similar in transgenic and wild-type mice
• by 6 months of age, lipid content in glycolytic muscle increase to similar levels in both genotypes
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• in 3 month-old male mice, transgene expression increases triglyceride level in glycolytic muscle 1.8-fold, while levels in oxidative muscle, white adipose tissue and liver are similar to wild-type levels
• by 6 months of age, triglyceride content in glycolytic muscle increase to similar levels in both genotypes
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muscle
• in 3 month-old male mice, transgene expression increases triglyceride level in glycolytic muscle 1.8-fold, while levels in oxidative muscle, white adipose tissue and liver are similar to wild-type levels
• by 6 months of age, triglyceride content in glycolytic muscle increase to similar levels in both genotypes
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