Week 69
The grip strength test is used to measure the neuromuscular function as maximal muscle strength of forelimbs and combined forelimbs and hind limbs. These are assessed by the grasping applied by the mouse on a grid that is connected to a sensor. Three trials are carried out in succession measuring forelimb-strength only, followed by three successive trials measuring the combined forelimb/hindlimb grip strength. All grip strength values obtained are normalized against mouse body weight.Ontological description: MP:0001515 - abnormal grip strength.
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The Open Field test is used to assess anxiety and exploratory behaviors. It is based on the natural tendency of an animal to explore and to protect itself using avoidance which translates to a normal animal spending more time in the periphery of the Open Field arena than in the center (the most anxiogenic area).
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SHIRPA and dysmorphology were originally always separate assessments. However they have recently been combined as assessments, so that they take place at the same time.The purpose of the assessments is to examine mice for obvious physical characteristics, behaviors and morphological abnormalities.Descriptions include abnormal locomotion/appearance/behavior/reflex reactions.
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Previous Versions:(v.2.7)(v.1.11)
Week 73
The glucose tolerance test measures the clearance of an intraperitoneally injected glucose load from the body. It is used to detect disturbances in glucose metabolism that can be linked to human conditions such as diabetes or metabolic syndrome. Animals are fasted for approximately 16 hours, fasted blood glucose levels are determined before a solution of glucose is administered by intra-peritoneal (IP) injection. Subsequently, the blood glucose level is measured at different time points during the following 2 hours.Ontological description: MP:0005559 - increased circulating glucose level, MP:0005560 - decreased circulating glucose level, MP:0005293 - impaired glucose tolerance, MP:0005292 - improved glucose tolerance, MP:0005291 abnormal glucose tolerance, MP:0000188 - abnormal circulating glucose level.
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Week 78
Collect and fix a standard list of tissues from the complete necropsy (see IMPC Gross Pathology & Tissue Collection SOP)Trim the fixed tissues into cassettes for processingEmbed the tissues in paraffin in a standard orientation
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Clinical chemistry determines biochemical parameters in plasma including enzymatic activity, specific substrates and electrolytes. Ontological description: MP:0001545 – blood physiology abnormalities.
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Hematology JAXLA_HEM_002 (v.2.9)
Hematological assessment of blood determines blood cell counts (white blood cells, red blood cells, hemoglobin, and platelets) and additional hematological parameters (hematocrit, mean cell volume, mean corpuscular hemoglobin, mean cell hemoglobin concentration) can be derived using these indices. These tests will indicate abnormalities in the production of blood and its components (blood cells and hemoglobin) as well as in the associated blood-forming organs. Ontological description: MP:0002429 - abnormal blood cell morphology/development.
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