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Primary immunodeficiency

Gene: CLCN7

Red List (low evidence)

CLCN7 (chloride voltage-gated channel 7)
EnsemblGeneIds (GRCh38): ENSG00000103249
EnsemblGeneIds (GRCh37): ENSG00000103249
OMIM: 602727, Gene2Phenotype
CLCN7 is in 8 panels

2 reviews

Louise Daugherty (Genomics England Curator)

OriginaI Metadata from IUIS classification table (February, 2018) downloaded 20180614. IUIS Genetic defect (original gene symbol in IUIS download): CLCN7 .PanelApp HGNC gene symbol check: CLCN7 . IUIS Disease: CLCN7 deficiency associated osteopetrosis . IUIS Inheritance: AR .T cells: N/A, .B cells: N/A, .IUIS Other affected cells: Osteoclasts. IUIS Associated features: Osteopetrosis with hypocalcemia, neurologic features. IUIS Major category: Defects in Intrinsic and Innate Immunity. IUIS Subcategory: Other Inborn Errors of Immunity Related to Non-Hematopoietic Tissues
Created: 6 Jul 2018, 12:13 p.m.

Sophie Hambleton (Newcastle University)

Red List (low evidence)

osteopetrosis should not be confused clinically with primary immunodeficiency
Created: 29 Jun 2018, 4:15 p.m.


Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
  • IUIS Classification December 2019
  • Expert Review Red
  • IUIS Classification February 2018
  • Defects in Intrinsic and Innate Immunity
  • Osteopetrosis with hypocalcemia, neurologic features
Clinvar variants
Variants in CLCN7
Panels with this gene

History Filter Activity

28 Feb 2020, Gel status: 1

Added New Source, Set mode of inheritance, Set Phenotypes, Set publications

Louise Daugherty (Genomics England Curator)

Source IUIS Classification December 2019 was added to CLCN7. Mode of inheritance for gene CLCN7 was changed from to BIALLELIC, autosomal or pseudoautosomal Added phenotypes Osteopetrosis with hypocalcemia, neurologic features for gene: CLCN7 Publications for gene CLCN7 were updated from to 32048120; 32086639

12 Jul 2018, Gel status: 1

Panel promoted to version 1.0

Louise Daugherty (Genomics England Curator)

2018-07-12 Louise Daugherty (Genomics England Curator) promoted panel to v1.0. Reviews were assessed, and panel was revised according to expert reviews and further in-house curation based on PanelApp guidelines. Previous panels (A- or hypo-gammaglobulinaemia, Congenital neutropaenia, Agranulocytosis, Combined B and T cell defect, Inherited complement deficiency and SCID panels) that were merged with this panel, were checked again for any changes/new reviews prior to versioning of this panel, these merged panels are now retired/made internal.

6 Jul 2018, Gel status: 1

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

Gene: clcn7 has been classified as Red List (Low Evidence).

1 Jul 2018, Gel status: 1

Set penetrance

Louise Daugherty (Genomics England Curator)

Phenotypes for gene CLCN7 were set to Osteopetrosis with hypocalcemia, neurologic features, Defects in Intrinsic and Innate Immunity

26 Jun 2018, Gel status: 1

Added New Source

Louise Daugherty (Genomics England Curator)

CLCN7 was added to Primary immunodeficiency disorders panel. Sources: IUIS Classification February 2018

26 Jun 2018, Gel status: 1


Louise Daugherty (Genomics England Curator)

CLCN7 was created by Louise Daugherty