liver/biliary system
growth/size/body
• heart weight elevated relative to controls
|
• increase in lean mass at 8 and 16 weeks of age
|
• pair fed mice restrict food intake to that of controls
• pair fed mice gain less weight as protein than when feeding is unrestricted
• pair fed mice gain considerably more weight as fat than controls eating the same quantity of food
• pair fed mice gain less weight than when feeding is unrestricted
|
endocrine/exocrine glands
• increased number of mucus filled goblet cells in the colon
|
• increase in the size of islets of Langerhans and appearance of enormous islets in the pancreas of 30 week old mice
|
• lower threshold for glucose induced insulin secretion by beta cells
(J:14402)
• acetyl choline has a greater affect to lower the glucose induced threshold for insulin secretion
(J:22634)
|
mortality/aging
• 50 % higher postnatal death rate of males
|
homeostasis/metabolism
• lower threshold for glucose induced insulin secretion by beta cells
(J:14402)
• acetyl choline has a greater affect to lower the glucose induced threshold for insulin secretion
(J:22634)
|
• fasting mice show increased glucose levels at 6 weeks of age
|
• observed prior to any significant increase in body weight
(J:86303)
|
• in the insulin tolerance test, mice reduce their glucose levels within 30 min to about 80% compared to 50% in wild-type mice at 6 weeks of age
• mice do not respond to insulin in the insulin tolerance test at 15 weeks of age, indicating insulin resistance
|
• corticosterone response to stress greater than in controls
• diurnal variation greater than in controls
|
• severe
|
• levels in the pituitary are much higher than in pituitaries of controls
|
skeleton
• denser vertebrae and long bones at 6 months
• increased bone mass even on a low fat diet to delay obesity
|
osteopetrosis
(
J:60001
)
• increased numbers of thick trabeculae at 3 and 6 months
• 2 fold increase in trabecular bone volume
|
• rate of new bone formation increased at both 3 and 6 months
|
• increased numbers of osteoclasts
|
hematopoietic system
• increased numbers of osteoclasts
|
adipose tissue
• increase in area size of epigonadal fat cells
(J:219118)
|
• increase in epigonadal fat tissue weight
|
• increase in fat mass at 8 and 16 weeks of age
|
digestive/alimentary system
• thick mucus gel covers the epithelium of the colon
|
• increased number of mucus filled goblet cells in the colon
|
cardiovascular system
• neovascularization is significantly suppressed under standard oxygen conditions relative to controls
|
• heart weight elevated relative to controls
|
• attenuated heart response to increased calcium
• oxygen consumption of the heart does not increase with an increased workload
• oxygen consumption is elevated when perfused with glucose and palmitate
|
muscle
• number of tetani required to reduce force by 40% is significantly less than for controls
• basal calcium ion concentration increases sharply toward the end of a series of 50 tetanic contractions (single cell measures)
|
vision/eye
• neovascularization is significantly suppressed under standard oxygen conditions relative to controls
|
nervous system
• 16% lower motor nerve conduction velocity than controls
• hind limb sensory nerve conduction velocity reduced 22%
|
behavior/neurological
• faster in food finding trials relative to controls
|
polyphagia
(
J:219118
)
• mice eat twice as much as wild-type mice
|
• 88% increased latency of hind-limb withdrawal from a heat stimulus
|
immune system
• increased numbers of osteoclasts
|
cellular
• increased number of mucus filled goblet cells in the colon
|
• increased numbers of osteoclasts
|
• mitochondrial respiration is inhibited in glucose perfused hearts
• increased ADP dependent mitochondrial respiration in glucose and palmitate perfused hearts
• mitochondrial respiration is uncoupled in glucose and palmitate perfused hearts
|
integument
• significant reduction in intraepidermal nerve fiber density
|
Mouse Models of Human Disease |
DO ID | OMIM ID(s) | Ref(s) | |
abdominal obesity-metabolic syndrome 1 | DOID:14221 |
OMIM:605552 |
J:219118 |