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gap junction protein, alpha 1
Phenotype annotations related to skeleton
Darker colors indicate more annotations
Human Phenotypes
Abnormality of dental enamel
Hypoplasia of dental enamel
Camptodactyly of finger
Joint contracture of the 5th finger
Joint contracture of the hand
Mandibular prognathia
Hypoplasia of the maxilla
Craniofacial hyperostosis
Facial hyperostosis
Craniofacial osteosclerosis
Calvarial osteosclerosis
Frontal bossing
Sagittal craniosynostosis
Large fontanelles
Cranial hyperostosis
Sclerosis of skull base
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
Absent distal interphalangeal creases
Short distal phalanx of finger
Broad distal phalanx of finger
Distal symphalangism of hands
Aplasia/Hypoplasia of the middle phalanges of the hand
Enlarged proximal interphalangeal joints
Hand polydactyly
Preaxial hand polydactyly
Patchy sclerosis of finger phalanx
Symphalangism affecting the phalanges of the hand
Triphalangeal thumb
Ulnar deviation of finger
Postaxial foot polydactyly
Short hallux
Preaxial foot polydactyly
Broad phalanx of the toes
Short toe
Sandal gap
Toe syndactyly
2-3 toe syndactyly
3-4 toe syndactyly
4-5 toe syndactyly
2-4 toe cutaneous syndactyly
Mesoaxial polydactyly
Postaxial polydactyly
Cutaneous syndactyly
Cutaneous finger syndactyly
1-5 finger complete cutaneous syndactyly
Finger syndactyly
1-5 finger syndactyly
3-4 finger syndactyly
4-5 finger syndactyly
Metatarsal synostosis
Club-shaped distal femur
Erlenmeyer flask deformity of the femurs
Short foot
Abnormality of the metacarpal bones
Metacarpal synostosis
Fused fourth and fifth metacarpals
Supernumerary metacarpal bones
6 metacarpals
Abnormality of the metaphysis
Metaphyseal dysplasia
Metaphyseal widening
Flared metaphysis
Short palm
Small hand
Hip dislocation
Carpal synostosis
Cubitus valgus
Madelung deformity
Basal ganglia calcification
Cerebral calcification
Abnormal diaphysis morphology
Diaphyseal sclerosis
Broad long bones
Abnormality of pelvic girdle bone morphology
Hip dysplasia
Abnormality of the thorax
Abnormality of the clavicle
Thickened ribs
Pectus excavatum
Narrow chest
Abnormality of the vertebral column
Abnormal form of the vertebral bodies
Vertebral hyperostosis
Cortical sclerosis
Abnormal cortical bone morphology
Skeletal dysplasia
Joint hypermobility
Joint laxity
Delayed skeletal maturation
Disease(s) Associated with GJA1
craniometaphyseal dysplasia
oculodentodigital dysplasia

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
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
MGI 6.14
The Jackson Laboratory