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Symbol
Name
ID
Gja1
gap junction protein, alpha 1
MGI:95713
Phenotype annotations related to skeleton
Darker colors indicate more annotations
Human Phenotypes
Frontal bossing
Brachycephaly
Cranial hyperostosis
Facial hyperostosis
Micrognathia
Mandibular prognathia
Hypoplasia of the maxilla
Microcephaly
Macrocephaly
Wide cranial sutures
Large fontanelles
Abnormal dental enamel morphology
Enamel hypoplasia
Abnormal diaphysis morphology
Fifth finger distal phalanx clinodactyly
Absent middle phalanx of 5th finger
Short middle phalanx of the 5th finger
Short 5th finger
Clinodactyly of the 5th finger
Joint contracture of the 5th finger
Aplasia/Hypoplasia of the middle phalanges of the hand
Camptodactyly of finger
Hand polydactyly
Preaxial hand polydactyly
Patchy sclerosis of finger phalanx
Flexion contracture of finger
Tapered finger
Short hallux
Short toe
Toe syndactyly
3-4 toe syndactyly
2-4 toe cutaneous syndactyly
Clinodactyly
Brachydactyly
3-4 finger cutaneous syndactyly
Finger syndactyly
3-4 finger syndactyly
4-5 finger syndactyly
Club-shaped distal femur
Short foot
Abnormal metaphysis morphology
Metaphyseal dysplasia
Flared metaphysis
Small hand
Hip dislocation
Cubitus valgus
Madelung deformity
Delayed skeletal maturation
Broad long bones
Abnormal thorax morphology
Abnormal clavicle morphology
Abnormal form of the vertebral bodies
Vertebral hyperostosis
Abnormal cortical bone morphology
Hyperostosis
Cerebral calcification
Basal ganglia calcification
Disease(s) Associated with GJA1
autosomal recessive craniometaphyseal dysplasia
erythrokeratodermia variabilis
oculodentodigital dysplasia
palmoplantar keratoderma and congenital alopecia 1
syndactyly type 3

Mouse Phenotypes
abnormal osteoblast differentiation
abnormal osteoblast physiology
abnormal craniofacial bone morphology
abnormal cranium morphology
small cranium
abnormal neurocranium morphology
small frontal bone
interparietal bone hypoplasia
abnormal occipital bone morphology
abnormal parietal bone morphology
thin parietal bone
abnormal alisphenoid bone morphology
abnormal zygomatic arch morphology
small neurocranium
abnormal tooth morphology
abnormal incisor morphology
small lower incisors
abnormal tooth development
abnormal tooth hard tissue morphology
reduced enamel thickness
brittle teeth
small mandible
small maxilla
abnormal nasal bone morphology
small nasal bone
short zygomatic bone
abnormal phalanx morphology
abnormal skeleton morphology
abnormal thoracic cage morphology
abnormal rib morphology
decreased bone mineral content
decreased bone mineral density
abnormal trabecular bone morphology
decreased trabecular bone mass
delayed endochondral bone ossification
delayed intramembranous bone ossification
delayed bone ossification
decreased bone strength
Availability Mouse Genotype
Gja1tm1Kdr/Gja1tm1Kdr
Gja1M1Jrt/Gja1+
Gja1tm8Kwi/Gja1+
Tg(Pgk1-cre)1Lni/0  (conditional)

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
05/21/2024
MGI 6.23
The Jackson Laboratory