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Intellectual disability - microarray and sequencing v5.313 CCDC82 Achchuthan Shanmugasundram commented on gene: CCDC82: The OMIM entry for this gene is OMIM:619870, which has been cross-checked with both Ensembl and HGNC. Hence, gene-checked tag has been added.
Intellectual disability - microarray and sequencing v5.313 CCDC82 Achchuthan Shanmugasundram Tag gene-checked tag was added to gene: CCDC82.
Intellectual disability - microarray and sequencing v5.287 CCDC82 Arina Puzriakova Tag Q2_23_promote_green was removed from gene: CCDC82.
Intellectual disability - microarray and sequencing v5.286 CCDC82 Arina Puzriakova reviewed gene: CCDC82: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Intellectual disability - microarray and sequencing v5.286 CCDC82 Arina Puzriakova Source NHS GMS was added to CCDC82.
Source Expert Review Green was added to CCDC82.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram changed review comment from: As reviewed by Konstantinos Varvagiannis, there is more than three unrelated cases with biallelic variants in CCDC82 presenting with a neurodevelopmental disorder comprising intellectual disability/ global developmental delay. Hence, this gene should be rated GREEN at the next GMS review.; to: As reviewed by Konstantinos Varvagiannis, there are more than three unrelated cases with biallelic variants in CCDC82 presenting with a neurodevelopmental disorder comprising intellectual disability/ global developmental delay. Hence, this gene should be rated GREEN at the next GMS review.
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram Tag Q2_23_promote_green tag was added to gene: CCDC82.
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram Classified gene: CCDC82 as Amber List (moderate evidence)
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram Gene: ccdc82 has been classified as Amber List (Moderate Evidence).
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram Classified gene: CCDC82 as Amber List (moderate evidence)
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram Gene: ccdc82 has been classified as Amber List (Moderate Evidence).
Intellectual disability - microarray and sequencing v5.181 CCDC82 Achchuthan Shanmugasundram Phenotypes for gene: CCDC82 were changed from neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071 to neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071
Intellectual disability - microarray and sequencing v5.182 CCDC82 Achchuthan Shanmugasundram Phenotypes for gene: CCDC82 were changed from neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071 to neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071
Intellectual disability - microarray and sequencing v5.181 CCDC82 Achchuthan Shanmugasundram Phenotypes for gene: CCDC82 were changed from neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071 to neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071
Intellectual disability - microarray and sequencing v5.181 CCDC82 Achchuthan Shanmugasundram Phenotypes for gene: CCDC82 were changed from Global developmental delay; Intellectual disability; Spastic paraparesis to neurodevelopmental disorder, MONDO:0700092; intellectual disability, MONDO:0001071
Intellectual disability - microarray and sequencing v5.180 CCDC82 Achchuthan Shanmugasundram commented on gene: CCDC82: As reviewed by Konstantinos Varvagiannis, there is more than three unrelated cases with biallelic variants in CCDC82 presenting with a neurodevelopmental disorder comprising intellectual disability/ global developmental delay. Hence, this gene should be rated GREEN at the next GMS review.
Intellectual disability - microarray and sequencing v5.180 CCDC82 Achchuthan Shanmugasundram reviewed gene: CCDC82: Rating: GREEN; Mode of pathogenicity: None; Publications: 27457812, 28397838, 35118659, 35373332; Phenotypes: neurodevelopmental disorder, MONDO:0700092, intellectual disability, MONDO:0001071; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Intellectual disability - microarray and sequencing v3.1561 CCDC82 Konstantinos Varvagiannis gene: CCDC82 was added
gene: CCDC82 was added to Intellectual disability. Sources: Literature
Mode of inheritance for gene: CCDC82 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: CCDC82 were set to 27457812; 28397838; 35118659; 35373332
Phenotypes for gene: CCDC82 were set to Global developmental delay; Intellectual disability; Spastic paraparesis
Penetrance for gene: CCDC82 were set to Complete
Review for gene: CCDC82 was set to AMBER
Added comment: The phenotype of individuals with biallelic CCDC82 variants has been reported - in most cases briefly - in the following reports (each summarizing the findings of previous ones):

Riazzudin et al (2017 - PMID: 27457812) in a large consanguineous pedigree from Pakistan (PKMR206) identified 4 individuals homozygous for a fs variant [NM_024725.3:c.373delG / p.(Asp125Ilefs*6)] (V3,V4,V5,V10). There was no other variant segregating with the phenotype of ID (Delayed CMS, moderate ID and speech delay probably common to all, V3,4,5 had also mild hypotonia and motor weakness). There was one unaffected sib tested (homozygous for ref. alelle). 2 further affected males (V1, V2) with similar phenotype were not tested.

Harripaul et al (2018 - PMID: 28397838) reported 2 sibs with nonsyndromic ID belonging to a consanguineous family (AS17) from the Middle-East. Both were homozygous for NM_024725.3:c.535C>T / p.Arg179*. The variant was confirmed with Sanger sequencing and parents were heterozygous carriers. Two additional affected sibs were probably not tested.

Yahia et al (2022 - PMID: 35118659) described 2 sibs belonging to a consanguineous family from Sudan. These presented global DD (last evaluation at 4y and 9m) and spasticity. There was a common history of infantile spasms with the elder developing GTC convulsions with spontaneous resolution. Additionaly, both presented microcephaly (<-2 and <-3SD). Exome sequencing revealed homozygosity for c.535C>T / p.Arg179* (previously reported by Harripaul et al). Sanger sequencing was used for confirmation and demonstration of carrier state of parents. Two similarly affected sibs were not available for testing.

Bauer et al (2022 - PMID: 35373332) reported a 21 y.o. male born to consanguineous parents from Pakistan. Features included short stature, ID, spastic paraparesis (at the age of 3y). Gelastic seizures were suspected but not confirmed (repeated normal EEGs). WES revealed homozygosity for a fs CCDC82 variant [NM_001318736.1:c.183del / p.(Phe61Leufs*27)] with Sanger confirmation in proband and heterozygous parents. There was another hmz variant, albeit classified as VUS and not thought to fit the clinical presentation.

As proposed by Bauer et al. overlapping features include spastic paraparesis, DD and dysmorphic features. As commented, CCDC82 encodes coiled-coil domain protein 82, a protein with unknown function.

Consider inclusion probably with amber rating (>3 individuals/families/variants, role of the gene not known, variant studies not performed to date, animal models not discussed).
Sources: Literature
Intellectual disability - microarray and sequencing v3.284 CCDC88A Arina Puzriakova Classified gene: CCDC88A as Amber List (moderate evidence)
Intellectual disability - microarray and sequencing v3.284 CCDC88A Arina Puzriakova Gene: ccdc88a has been classified as Amber List (Moderate Evidence).
Intellectual disability - microarray and sequencing v3.0 CCDC88A Zornitza Stark edited their review of gene: CCDC88A: Added comment: Two unrelated families now plus mouse model.; Changed publications: 26917597, 30392057; Set current diagnostic: yes
Intellectual disability - microarray and sequencing v2.545 CCDC88A Konstantinos Varvagiannis reviewed gene: CCDC88A: Rating: AMBER; Mode of pathogenicity: None; Publications: 26917597, 30392057; Phenotypes: ?PEHO syndrome-like, 617507; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Intellectual disability - microarray and sequencing v2.469 CCDC88C Louise Daugherty Classified gene: CCDC88C as Green List (high evidence)
Intellectual disability - microarray and sequencing v2.469 CCDC88C Louise Daugherty Gene: ccdc88c has been classified as Green List (High Evidence).
Intellectual disability - microarray and sequencing v2.468 CCDC88C Louise Daugherty Source Victorian Clinical Genetics Services was added to CCDC88C.
Intellectual disability - microarray and sequencing v2.468 CCDC88A Louise Daugherty Source Victorian Clinical Genetics Services was added to CCDC88A.
Intellectual disability - microarray and sequencing v2.411 CCDC8 Louise Daugherty Classified gene: CCDC8 as Red List (low evidence)
Intellectual disability - microarray and sequencing v2.411 CCDC8 Louise Daugherty Added comment: Comment on list classification: After internal and external review, it was agreed this gene should be demoted from Green to Red
Intellectual disability - microarray and sequencing v2.411 CCDC8 Louise Daugherty Gene: ccdc8 has been classified as Red List (Low Evidence).
Intellectual disability - microarray and sequencing CCDC8 Louise Daugherty reviewed gene: CCDC8
Intellectual disability - microarray and sequencing CCDC8 Zornitza Stark reviewed gene: CCDC8
Intellectual disability - microarray and sequencing CCDC88C BRIDGE consortium edited their review of CCDC88C
Intellectual disability - microarray and sequencing CCDC88C BRIDGE consortium edited their review of CCDC88C
Intellectual disability - microarray and sequencing CCDC88C Louise Daugherty classified CCDC88C as amber
Intellectual disability - microarray and sequencing CCDC88C Louise Daugherty commented on CCDC88C
Intellectual disability - microarray and sequencing CCDC88C BRIDGE consortium reviewed CCDC88C