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Symbol
Name
ID
Mfn2
mitofusin 2
MGI:2442230
Phenotype annotations related to muscle
Darker colors indicate more annotations
Human Phenotypes
Macroglossia
Paresis of extensor muscles of the big toe
Distal lower limb muscle weakness
Hand muscle weakness
Triceps weakness
Upper limb amyotrophy
Limb muscle weakness
Foot dorsiflexor weakness
Quadriceps muscle weakness
Flexion contracture
Hypertonia
Spasticity
Hypotonia
Generalized hypotonia
EMG: chronic denervation signs
Difficulty climbing stairs
Difficulty running
Difficulty walking
Frequent falls
Muscle spasm
Muscle weakness
Distal muscle weakness
Progressive muscle weakness
Proximal muscle weakness
Respiratory insufficiency due to muscle weakness
Increased variability in muscle fiber diameter
Skeletal muscle atrophy
Distal amyotrophy
Distal lower limb amyotrophy
Lower limb amyotrophy
Disease(s) Associated with MFN2
Charcot-Marie-Tooth disease type 2A2A
Charcot-Marie-Tooth disease type 2A2B
Charcot-Marie-Tooth disease type 6
multiple symmetric lipomatosis

Mouse Phenotypes
abnormal myocardial fiber morphology
decreased ventricle muscle contractility
decreased skeletal muscle size
muscle weakness
Availability Mouse Genotype
Tg(Mnx1-Mfn2*T105M,-EGFP)1Dcc/Tg(Mnx1-Mfn2*T105M,-EGFP)1Dcc
Mfn2tm1.1Mzhe/Mfn2tm1.1Mzhe
Myl2tm1(cre)Krc/Myl2+  (conditional)

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
04/23/2024
MGI 6.23
The Jackson Laboratory