About   Help   FAQ
Symbol
Name
ID
Gch1
GTP cyclohydrolase 1
MGI:95675
Phenotype annotations related to nervous system
Darker colors indicate more annotations
Human Phenotypes
Torticollis
Increased CSF phenylalanine concentration
Decreased CSF homovanillic acid concentration
Stroke
Ischemic stroke
Dysphagia
Abnormality of the nervous system
Abnormal substantia nigra morphology
Ataxia
Gait ataxia
Abnormality of extrapyramidal motor function
Bradykinesia
Parkinsonism
Choreoathetosis
Tremor
Postural tremor
Babinski sign
Depression
Irritability
Anxiety
Lethargy
Compulsive behaviors
Progressive neurologic deterioration
Intellectual disability, progressive
Sleep abnormality
Brisk reflexes
Lower limb hyperreflexia
Dystonia
Focal dystonia
Generalized dystonia
Limb dystonia
Hyperkinetic movements
Global developmental delay
Seizure
Impaired vibration sensation in the lower limbs
Disease(s) Associated with GCH1
BH4-deficient hyperphenylalaninemia B
cerebral infarction
dystonia 5
sickle cell anemia

Mouse Phenotypes
abnormal brain morphology
Availability Mouse Genotype
Gch1em1Ypt/Gch1em1Ypt

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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
04/30/2024
MGI 6.23
The Jackson Laboratory