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COL1A2

collagen type I alpha 2 chain

HCNC Approved Symbol
COL1A2 (HGNC:2198)
Genomic Coordinates
7:94,394,895 - 94,431,227 (7q21.3)
Synonyms
OI4
Disease Associations
This gene is associated with the following 7 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
{Osteoporosis, postmenopausal}
166710AD
Combined osteogenesis imperfecta and Ehlers-Danlos syndrome 2
619120AD
Ehlers-Danlos syndrome, arthrochalasia type, 2
617821AD
Ehlers-Danlos syndrome, cardiac valvular type
225320AR
Osteogenesis imperfecta, type II
166210AD
Osteogenesis imperfecta, type III
259420AD
Osteogenesis imperfecta, type IV
166220AD

Diagnosed Cases

33Patients

In total, 33 patients were diagnosed with a variant in the COL1A2 gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Bone fractures
 10 (30.3%)
Blue sclera
 7 (21.2%)
Dentinogenesis imperfecta
 7 (21.2%)
Blue sclerae
 5 (15.2%)
Bowed femur
 
4 (12.1%)