growth/size/body
• more obvious over time
|
liver/biliary system
• pale, yellowish, hardened with rare small white nodules
• severe liver damage at 42 weeks
• however, hepatic mitochondrial cholesterol content is normal
|
• more obvious over time
|
• of total cholesterol at 16 weeks and more so at 42 weeks
• of free cholesterol and cholesterol ester in the liver at 42 weeks
|
• 2- to 14-fold at 12 weeks
|
• 8-fold at 16 weeks
• 52-fold at 42 weeks
|
• foamy hepatocytes more so at 42 weeks than 16 weeks, resulting from accumulation of many small vacuoles in a hepatocyte
|
• small and large vacuoles at 16 and 42 weeks
• progressive steatohepatitis
|
• macrovesicular steatosis primarily located in the zone 1 and panlobular region
|
• microvesicular steatosis predominantly around zones 3 and 2
|
• progressive
|
pale liver
(
J:199570
)
|
• increased hepatic oxidative stress at 42 weeks
• however, hepatic endoplasmic reticulum stress is normal
|
• progressive steatohepatitis
|
homeostasis/metabolism
N |
• mice exhibit normal VLDL triglyceride and plasma lipids
• mice exhibit normal insulin sensitivity
|
• reduced fatty acid oxidation in the liver
|
• at 42 weeks
|
• a few fatty acid species of diacylglycerol are decreased in the liver
|
• of total cholesterol at 16 weeks and more so at 42 weeks
• of free cholesterol and cholesterol ester in the liver at 42 weeks
|
• 2- to 14-fold at 12 weeks
|
• decreased hepatic phospholipid at 42, but not 16, weeks
|
• 8-fold at 16 weeks
• 52-fold at 42 weeks
|
• reduced triglyceride hydrolase activity in the liver at 16 and 42 weeks
|
immune system
• progressive steatohepatitis
|
cellular
• reduced fatty acid oxidation in the liver
|
• increased hepatic oxidative stress at 42 weeks
|