growth/size/body
• at 7 weeks of age body weight in higher in homozygotes vs wild-type by 10%
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behavior/neurological
• water consumption is significantly lower than in wild-type
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• food intake is significantly lower than wild-type
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• mice display significantly more time in a passive state (187%) in the forced swim test than wild-type
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• mice show reduced locomotor activity at night vs wild-type
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• mice are less inclined to build nests
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homeostasis/metabolism
N |
• no significant differences in body temperature, body composition or bone parameters are observed compared to wild-type
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• mutants have lower energy expenditure at night
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respiratory system
• mice have lower respiratory exchange ratio which correlates to energy expenditure
• resting lung parameters are not different from wild-type
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