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Intellectual disability

Gene: KCND3

Red List (low evidence)

KCND3 (potassium voltage-gated channel subfamily D member 3)
EnsemblGeneIds (GRCh38): ENSG00000171385
EnsemblGeneIds (GRCh37): ENSG00000171385
OMIM: 605411, Gene2Phenotype
KCND3 is in 11 panels

5 reviews

Arina Puzriakova (Genomics England Curator)

Following discussion with the clinical team, this gene has been demoted from Amber to Red, in accordance with the external review by Zornitza Stark
Created: 17 Aug 2020, 10:01 a.m. | Last Modified: 17 Aug 2020, 10:01 a.m.
Panel Version: 3.252

Zornitza Stark (Australian Genomics)

Red List (low evidence)

Progressive neurological condition; ID only reported in some, most however reported as having normal cognition.
Created: 8 Feb 2020, 9:10 a.m. | Last Modified: 8 Feb 2020, 9:10 a.m.
Panel Version: 3.0

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Spinocerebellar ataxia 19, MIM#607346

Olivia Niblock (Genomics England Curator)

I don't know

Should be amber - two cases of spinocerebellar ataxia with intellectual disability, however, many other cases with variants in this gene but no intellectual disability described.
Created: 31 Oct 2017, 10:36 a.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

BRIDGE consortium (NIHRBR-RD)

Green List (high evidence)

This is a pertinent gene from the NIHR BioResource - Rare Diseases Study (NIHRBR-RD) BRIDGE Study : SPEED (Specialist Pathology: Evaluating Exomes in Diagnostics) which covers epilepsies, movement and microcephaly disorders, this gene is on the SPEED_NEURO_20170705 gene list. Evidences used for SPEED NEURO gene list: in_omim_20150205_movement . Main mutation mechanism : NA
Created: 27 Jul 2017, 6:59 p.m.
Evidences key, gene present in following gene lists and main mutation mechanism : omim_20150205_movement; neuro_20160418_strict; NA. This is a pertinent gene from the BRIDGE Study : SPEED (Specialist Pathology: Evaluating Exomes in Diagnostics) which covers epilepsies, movement and microcephaly disorders, this gene comes from the SPEED_NEURO_v3.0_20170404 gene list. The following experts from the BRIDGE consortium NIHRBR-RD contributed to this panel: - Professor F. Lucy Raymond, Cambridge Institute for Medical Research, University of Cambridge - Manju Kurian, Paediatric neurologist, Great Ormond Street Hosptial - Keren Carss, NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust - Alba Sanchis-Juan, NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust - Marie Erwood NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust - Louise Daugherty, NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust
Created: 19 Jul 2017, 12:42 p.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

Publications

  • omim.org

Louise Daugherty (Genomics England Curator)

Comment on list classification: This gene is from an expert list and needs further assessment by the Genomics England curation team to assess inclusion and pertinence to this panel.
Created: 20 Jul 2017, 12:08 p.m.

History Filter Activity

12 Oct 2020, Gel status: 1

Added New Source, Status Update

Arina Puzriakova (Genomics England Curator)

Source Expert Review Red was added to KCND3. Rating Changed from Amber List (moderate evidence) to Red List (low evidence)

12 Mar 2018, Gel status: 2

Panel promoted to version 2.0

Ellen McDonagh (Genomics England Curator)

12.03.2018: Due to major updates completed (Phase 1, 2 and 3), this panel was promoted to Version 2 in order to reflect the major updates since November 2017 which have resulted in reviews for 836 genes added by Genomics England Curators and the Clinical Team, 130 new Green genes added to the interpretation pipeline (from 751 to 881 Green genes), and the gene total has increased from 1879 to 1927.

20 Jul 2017, Gel status: 2

Gene classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

This gene has been classified as Amber List (Moderate Evidence).

19 Jul 2017, Gel status: 0

Added New Source

BRIDGE consortium (NIHRBR-RD)

KCND3 was added to Intellectual disabilitypanel. Sources: BRIDGE study SPEED NEURO Tier1 Gene

19 Jul 2017, Gel status: 0

Created

BRIDGE consortium (NIHRBR-RD)

KCND3 was created by BRIDGE