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Symbol
Name
ID
Atxn1
ataxin 1
MGI:104783
Phenotype annotations related to nervous system
Darker colors indicate more annotations
Human Phenotypes
Dysphagia
Spasticity
Bulbar palsy
Dilated fourth ventricle
Spinocerebellar atrophy
Olivopontocerebellar atrophy
Dorsal column degeneration
Spinocerebellar tract degeneration
Dysdiadochokinesis
Dysmetria
Limb ataxia
Progressive cerebellar ataxia
Truncal ataxia
Abnormality of extrapyramidal motor function
Chorea
Fasciculations
Babinski sign
Decreased motor nerve conduction velocity
Decreased sensory nerve conduction velocity
Decreased amplitude of sensory action potentials
Dysarthria
Scanning speech
Cognitive impairment
Hyperreflexia
Areflexia
Peripheral neuropathy
Impaired pain sensation
Impaired distal tactile sensation
Paresthesia
Impaired proprioception
Impaired vibratory sensation
Disease(s) Associated with ATXN1
spinocerebellar ataxia type 1

Mouse Phenotypes
decreased brain weight
dilated brain ventricle
abnormal Purkinje cell dendrite morphology
decreased Purkinje cell number
neuronal intranuclear inclusions
abnormal excitatory postsynaptic potential
reduced long-term potentiation
decreased paired-pulse facilitation
Availability Mouse Genotype
Atxn1tm2Hzo/Atxn1tm2Hzo
Atxn1tm1Hzo/Atxn1+

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
05/07/2024
MGI 6.23
The Jackson Laboratory