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Symbol
Name
ID
Col2a1
collagen, type II, alpha 1
MGI:88452
Phenotype annotations related to craniofacial
Darker colors indicate more annotations
Human Phenotypes
Frontal bossing
Brachycephaly
Micrognathia
Microretrognathia
Trismus
Hypoplasia of the maxilla
Malar flattening
Decreased cranial base ossification
Macrocephaly
Coarse facial features
Pugilistic facies
Flat face
Round face
Midface retrusion
Prominent forehead
Long philtrum
Cleft upper lip
Submucous cleft hard palate
Short hard palate
Bifid uvula
Cleft palate
Glossoptosis
Macroglossia
Narrow mouth
Tooth agenesis
Advanced eruption of teeth
Abnormal dental enamel morphology
Carious teeth
Open bite
Pierre-Robin sequence
Anteverted nares
Depressed nasal ridge
Depressed nasal bridge
Short nose
Epicanthus
Telecanthus
Disease(s) Associated with COL2A1
achondrogenesis type II
Kniest dysplasia
multiple epiphyseal dysplasia with myopia and deafness
spondyloepimetaphyseal dysplasia, Strudwick type
spondyloepiphyseal dysplasia congenita
spondyloepiphyseal dysplasia Stanescu type
spondyloperipheral dysplasia
Stickler syndrome
Stickler syndrome 1
Torrance type platyspondylic dysplasia

Mouse Phenotypes
abnormal cranium morphology
increased cranium length
small cranium
abnormal neurocranium morphology
short mandible
premaxilla hypoplasia
maxilla hypoplasia
retrognathia
nasal bone hypoplasia
short nasal bone
short facial bone
domed cranium
absent palatal shelf
midface hypoplasia
prominent forehead
cleft palate
protruding tongue
absent nasal cavity
absent nasal septum
abnormal snout morphology
short snout
abnormal head shape
proboscis
shortened head
Availability Mouse Genotype
Col2a1Dmm/Col2a1Dmm
Col2a1Lpk/Col2a1Lpk
Col2a1mc13/Col2a1mc13
Col2a1Rgsc413/Col2a1Rgsc413
Col2a1Rgsc856/Col2a1Rgsc856
Col2a1tm1.1Ksec/Col2a1tm1.1Ksec
Col2a1tm1Dshh/Col2a1tm1Dshh
Col2a1tm1Prc/Col2a1tm1Prc
Col2a1Dmm/Col2a1+
Col2a1Lpk/Col2a1+
Col2a1M2J/Col2a1+
Col2a1M3J/Col2a1+
Col2a1tm1.1Ksec/Col2a1+
Col2a1tm1Prc/Col2a1+
Tg(Col2a1*G574S)1Waho/0
Tg(Col2a1*R789C)#Waho/0

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