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Symbol
Name
ID
Tnnt1
troponin T1, skeletal, slow
MGI:1333868
Phenotype annotations related to muscle
Darker colors indicate more annotations
Human Phenotypes
Weakness of facial musculature
Achilles tendon contracture
Ankle contracture
Hip contracture
Scapular winging
Shoulder girdle muscle weakness
Foot dorsiflexor weakness
Lower limb muscle weakness
Quadriceps muscle weakness
Limb-girdle muscle weakness
Pelvic girdle muscle weakness
Wrist flexion contracture
Elbow contracture
Shoulder flexion contracture
Hypotonia
Infantile muscular hypotonia
Neonatal hypotonia
EMG: myopathic abnormalities
Difficulty climbing stairs
Difficulty running
Difficulty walking
Neck flexor weakness
Poor head control
Progressive muscle weakness
Proximal muscle weakness
Gowers sign
Respiratory insufficiency due to muscle weakness
Type 1 muscle fiber predominance
Z-band streaming
Increased variability in muscle fiber diameter
Nemaline bodies
Skeletal muscle atrophy
Proximal amyotrophy
Myopathy
Minicore myopathy
Rhabdomyolysis
Disease(s) Associated with TNNT1
nemaline myopathy 5A
nemaline myopathy 5B
nemaline myopathy 5C

Mouse Phenotypes
abnormal muscle fiber morphology
decreased skeletal muscle fiber size
decreased skeletal muscle fiber diameter
skeletal muscle fiber atrophy
increased skeletal muscle fiber diameter
centrally nucleated skeletal muscle fibers
abnormal skeletal muscle fiber type ratio
abnormal skeletal muscle size
abnormal muscle physiology
abnormal muscle contractility
abnormal muscle relaxation
Availability Mouse Genotype
Tnnt1tm1.2Jin/Tnnt1tm1.2Jin
Tnnt1tm1Jin/Tnnt1tm1Jin

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
04/30/2024
MGI 6.23
The Jackson Laboratory