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Symbol
Name
ID
Twist1
twist basic helix-loop-helix transcription factor 1
MGI:98872
Phenotype annotations related to craniofacial
*Aspects of the system are reported to show a normal phenotype.
Darker colors indicate more annotations
Human Phenotypes
Widow's peak
Low anterior hairline
Abnormal skull morphology
Frontal bossing
Flat occiput
Prominent occiput
Parietal foramina
Biparietal narrowing
Brachycephaly
Acrobrachycephaly
Brachyturricephaly
Craniosynostosis
Coronal craniosynostosis
Bicoronal synostosis
Unicoronal synostosis
Left unicoronal synostosis
Right unicoronal synostosis
Lambdoidal craniosynostosis
Pansynostosis
Sagittal craniosynostosis
Dolichocephaly
Scaphocephaly
Plagiocephaly
Skull asymmetry
Trigonocephaly
Turricephaly
Oxycephaly
Micrognathia
Mandibular prognathia
Retrognathia
Hypoplasia of the maxilla
Malar flattening
Shallow orbits
Posterior fossa cyst
Microcephaly
Macrocephaly
Metopic synostosis
Prominent metopic ridge
Delayed cranial suture closure
Wormian bones
Wide anterior fontanel
Large fontanelles
Facial asymmetry
Flat face
Midface retrusion
Cleft of chin
Broad forehead
Flat forehead
High forehead
Prominent forehead
Short philtrum
Bifid uvula
Cleft soft palate
Velopharyngeal insufficiency
Cleft palate
Median cleft palate
High palate
Narrow palate
Narrow mouth
Supernumerary tooth
Delayed eruption of teeth
Dental malocclusion
Open bite
Choanal atresia
Choanal stenosis
Low hanging columella
Short columella
Anteverted nares
Underdeveloped nasal alae
Convex nasal ridge
Broad nasal tip
Depressed nasal bridge
Prominent nasal bridge
Wide nasal bridge
Long nose
Narrow nose
Downslanted palpebral fissures
Upper eyelid coloboma
Epicanthus
Telecanthus
Abnormal nasolacrimal system morphology
Blepharospasm
Disease(s) Associated with TWIST1
acrocephalosyndactylia
craniosynostosis
Saethre-Chotzen syndrome
Sweeney-Cox syndrome

Mouse Phenotypes
craniofacial phenotype
abnormal cranium morphology
enlarged interparietal bone
short temporal bone squamous part
temporal bone hypoplasia
abnormal zygomatic bone morphology
cleft palate
Availability Mouse Genotype
Twist1em1(IMPC)Rbrc/Twist1+
Twist1Pas/Twist1+
Twist1tm1Bhr/Twist1+ *
Twist1tm1Bhr/Twist1tm2Bhr

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
04/09/2024
MGI 6.23
The Jackson Laboratory