cellular
• 66% increased whole-body fatty acid oxidation rate after a 24-h fast
|
adipose tissue
N |
• normal brown adipose tissue (BAT) weight
|
• at age 12 weeks
|
• decreased perigonadal WAT at age 12 weeks
• more intense cytoplasmic hematoxylin and eosin staining and dramatically smaller white adipocytes in inguinal subcutaneous, perigonadal, mesenteric and perirenal WAT
|
• reduced by 44%
|
• in inguinal subcutaneous, perigonadal, mesenteric and perirenal WAT
|
homeostasis/metabolism
N |
• normal plasma insulin levels after fasting 4 hours
|
• 66% increased whole-body fatty acid oxidation rate after a 24-h fast
|
• lower blood glucose in males after fasting 4 hours
• normal fasting glucose levels in females
|
hypoglycemia
(
J:241193
)
• ~1 out of 6 mice after overnight fasting
|
• after fasting 4 hours
|
• 15% reduced plasma total cholesterol levels
• 17% reduced plasma HDL-C levels
• plasma non-HDL-C and triglyceride levels
|
• 15% reduced plasma total cholesterol levels
|
• 17% reduced plasma HDL-C levels
|
• during light cycle
|
• during light cycle
|
• moderately lower respiratory quotient (RQ) during dark cycle
• normal respiratory quotient (RQ) during light cycle
|
• area-under-curve (AUC) reduced by 45% in intraperitoneal glucose tolerance test after 16 h overnight fast
|
• after fasting 4 hours
|
• more energy expenditure (calculated heat) during light cycle
|
• increased fat tolerance after oral olive oil lavage after overnight fast
|
growth/size/body
N |
• normal liver, heart, lungs, spleen, kidney and brain weights at age 12 weeks
• normal body length at age 4-6 months in males
• normal total bone mineral content at age 4-6 months in males
|
• reduced by 44%
|
• reduced by 20%
|
• on standard chow or high-fat diet
• normal weight at time of weaning
|
mortality/aging
• decreased survivability: ~30% of mice died by 5 months
|
• increased susceptibility to spontaneous death in adulthood (3-6 months): ~30% of mice died by 5 months
|
behavior/neurological
N |
• normal water intake
|
• during light cycle
|
• during light cycle
|
integument
• at age 12 weeks
|
liver/biliary system
N |
• normal hepatic triglyceride levels
|
cardiovascular system
• ~1 out of 6 mice mice cold to touch after overnight fasting
|
reproductive system