mortality/aging
• about 2/3 of mice die prematurely between 6 and 10 weeks of age
|
growth/size/body
• significant postnatal growth retardation
|
• mean body weight at 6-10 weeks of age is significantly lower than sex matched control litter mates
|
skeleton
• decreased bone density of the humoral heads
|
short femur
(
J:194700
)
short tibia
(
J:194700
)
• shorter pelvic bones
|
• decreased bone density of the femoral heads
|
behavior/neurological
• hunched back posture
|
digestive/alimentary system
• increased neutrophiles in mucosa
• mucosal edema
|
• chronic focal cryptitis/crypt abscesses
|
• distended and thinned walls
|
• focal areas of low grade dysplasia
|
• distended and thinned walls
|
• shorter small intestine villi
|
• no biotin or pantothenic acid uptake in the jejunum
|
endocrine/exocrine glands
N |
• pancreas normal
|
• chronic focal cryptitis/crypt abscesses
|
homeostasis/metabolism
• no biotin or pantothenic acid uptake in the jejunum
|
• lower biotin levels in the liver
|
nervous system
N |
• brain normal
|
cardiovascular system
N |
• heart normal
|
respiratory system
N |
• lungs normal
|
liver/biliary system
N |
• liver normal
|
immune system
N |
• spleen normal
|
renal/urinary system
N |
• kidneys normal
|
limbs/digits/tail
• decreased bone density of the humoral heads
|
short femur
(
J:194700
)
short tibia
(
J:194700
)