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Symbol
Name
ID
Polg
polymerase (DNA directed), gamma
MGI:1196389
Phenotype annotations related to nervous system
Darker colors indicate more annotations
Human Phenotypes
Microcephaly
Facial palsy
Hyposmia
Absent Achilles reflex
Increased CSF protein concentration
Dysphagia
Abnormality of visual evoked potentials
Spasticity
Spastic paraparesis
Progressive spasticity
Frequent falls
Astrocytosis
Gliosis
Peripheral axonal neuropathy
Sensory axonal neuropathy
Abnormal cerebral white matter morphology
Cerebral atrophy
Cerebral cortical neurodegeneration
Abnormal thalamic MRI signal intensity
Abnormal cerebellar cortex morphology
Cerebellar atrophy
Atrophy/Degeneration involving the spinal cord
Neuronal loss in central nervous system
Ataxia
Dysmetria
Gait ataxia
Progressive gait ataxia
Limb ataxia
Truncal ataxia
Slurred speech
Bradykinesia
Parkinsonism
Parkinsonism with favorable response to dopaminergic medication
Choreoathetosis
Myoclonus
Tremor
Intention tremor
Resting tremor
Hand tremor
Paralysis
Babinski sign
Paraparesis
Tetraparesis
Dysarthria
Depression
Emotional lability
Anxiety
Panic attack
Hallucinations
Apathy
Reduced social reciprocity
Impulsivity
Agitation
Restless legs
Cognitive impairment
Memory impairment
Dementia
Frontal lobe dementia
Diminished ability to concentrate
Short attention span
Coma
Vegetative state
Insomnia
Abnormality of movement
Hyperreflexia
Areflexia
Hyporeflexia
Dyskinesia
Dystonia
Broad-based gait
Gait imbalance
Steppage gait
Muscle fibrillation
Postural instability
Encephalopathy
Migraine
Developmental regression
Global developmental delay
Sensory ataxic neuropathy
Seizure
Bilateral tonic-clonic seizure
Focal-onset seizure
Focal myoclonic seizure
Status epilepticus
Epilepsia partialis continua
Generalized non-convulsive status epilepticus without coma
Hypoesthesia
Impaired distal tactile sensation
Impaired distal proprioception
Impaired vibratory sensation
Impaired distal vibration sensation
Positive Romberg sign
Sensory ataxia
Abnormal autonomic nervous system physiology
Disease(s) Associated with POLG
Alpers-Huttenlocher syndrome
autosomal dominant progressive external ophthalmoplegia 1
autosomal recessive progressive external ophthalmoplegia 1
mitochondrial DNA depletion syndrome 4b
Parkinson's disease
sensory ataxic neuropathy, dysarthria, and ophthalmoparesis

Mouse Phenotypes
cochlear outer hair cell degeneration
cochlear hair cell degeneration
cochlear ganglion degeneration
Availability Mouse Genotype
Polgtm1Prol/Polgtm1Prol

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
04/16/2024
MGI 6.23
The Jackson Laboratory