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Phenotypes Associated with This Genotype
Genotype
MGI:7623214
Allelic
Composition
Stim1tm3Ics/Stim1+
Genetic
Background
involves: C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Stim1tm3Ics mutation (0 available); any Stim1 mutation (47 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
adipose tissue

behavior/neurological
N
• normal behavior in rotarod test
• reduced grip strength and severely reduced hanging time
• less distance traveled and lower speed in open field test
• upward gaze paresis of the eyes

cellular
• swollen mitochondria in TA muscle fibers
• in soleus and TA muscle
• increased degeneration-regeneration cycles in soleus and TA muscle fibers
• in sarcoplasmic reticulum (SR) of TA muscle
• reduced mitochondrial reactive oxygen species production in soleus muscle
• reduced mitochondrial oxygen consumption in soleus and TA muscle

growth/size/body
• 11.9% reduction in females and 21.3% in males
• 7.2% reduction in females and 7.7% in males
• 55% increase in females and 31% in males

hematopoietic system
• 55% increase in females and 31% in males
• megakaryocyte hyperplasia in spleen
• in blood and spleen
• 78% reduction in females and 79% in males
• 63% increase in females and 74.4% in males
• in blood and spleen
• in blood and spleen

homeostasis/metabolism

immune system
• 55% increase in females and 31% in males
• in blood and spleen
• in blood and spleen
• in blood and spleen
• increased inflammatory cell infiltration

integument

limbs/digits/tail
• reduced bone marrow area
• reduced bone marrow area
• 36.6% reduction in females and 19.3% in males
• 57.3% increase in females and 58.4% in males

mortality/aging
• only 50% of mice live longer than 9 months
• breeding cages with WT x heterozygotes pairs yield 41% heterozygotes and 59% WT offspring
• breeding cages with WT x heterozygotes pairs yield 41% heterozygotes and 59% WT offspring

muscle
• increased soleus weight and decreased gastrocnemius weight
• normal TA and EDL weights
• increase in internalized nuclei
• no tubular aggregates
• 36.6% reduction in females and 19.3% in males
• 57.3% increase in females and 58.4% in males
• increased proportion of slow-twitch type I fibers (J:277842)
• increased incidence of abnormally shaped (rounded cross-section) fibers (J:277842)
• increased proportion of slow-twitch type I fibers in soleus muscle (J:327797)
• swollen mitochondria in TA muscle fibers
• increase in internalized nuclei
• increased Ca2+ resting levels and extracellular Ca2+ influx (J:277842)
• normal Ca2+ storage (J:277842)
• increased Ca2+ resting levels and extracellular Ca2+ influx in soleus and TA muscle (J:327797)
• normal Ca2+ storage (J:327797)
• increased degeneration-regeneration cycles in soleus and TA muscle fibers
• increased inflammatory cell infiltration
• increased degeneration-regeneration cycles in soleus and TA muscle fibers
• increased time to relaxation of TA during continuous sciatic nerve stimulation
• increased time to fatigue of TA during continuous sciatic nerve stimulation
• lower maximal and specific force in the TA after sciatic nerve stimulation

skeleton
• reduced cellular density in tibia, femur and lumbar vertebrae
• reduced bone marrow area
• reduced bone marrow area
• in distal femur at age 4 months
• 10% decrease of polar moment of inertia (MOI)
• 10% decrease of polar moment of inertia (MOI)


Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory