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CLCN1

chloride voltage-gated channel 1

HCNC Approved Symbol
CLCN1 (HGNC:2019)
Genomic Coordinates
7:143,316,111 - 143,352,083 (7q34)
Synonyms
CLC1, ClC-1
Disease Associations
This gene is associated with the following 3 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
Myotonia congenita, dominant
160800AD
Myotonia congenita, recessive
255700AR
Myotonia levior
160800AD

Diagnosed Cases

46Patients

In total, 46 patients were diagnosed with a variant in the CLCN1 gene.

Frequently observed phenotypes

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

Myotonia
 23 (50.0%)
Emg: myotonic runs
 7 (15.2%)
Myotonia with warm-up phenomenon
 
6 (13.0%)
Myopathy
 
6 (13.0%)
Emg: myotonic discharges
 
5 (10.9%)