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COL1A1

collagen type I alpha 1 chain

HCNC Approved Symbol
COL1A1 (HGNC:2197)
Genomic Coordinates
17:50,184,101 - 50,201,631 (17q21.33)
Synonyms
OI4
Disease Associations
This gene is associated with the following 8 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
{Bone mineral density variation QTL, osteoporosis}
166710AD
Caffey disease
114000AD
Combined osteogenesis imperfecta and Ehlers-Danlos syndrome 1
619115AD
Ehlers-Danlos syndrome, arthrochalasia type, 1
130060AD
Osteogenesis imperfecta, type I
166200AD
Osteogenesis imperfecta, type II
166210AD
Osteogenesis imperfecta, type III
259420AD
Osteogenesis imperfecta, type IV
166220AD

Diagnosed Cases

69Patients

In total, 69 patients were diagnosed with a variant in the COL1A1 gene.

Frequently observed phenotypes

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

Bone fractures
 28 (40.6%)
Blue sclerae
 23 (33.3%)
Blue sclera
 19 (27.5%)
Bone fragility
 10 (14.5%)
Bone fractures, multiple
 
9 (13.0%)