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Intellectual disability - microarray and sequencing v3.1594 GLS_GCA Eleanor Williams Tag for-review was removed from STR: GLS_GCA.
Intellectual disability - microarray and sequencing v3.1452 GLS_GCA Arina Puzriakova Phenotypes for STR: GLS_GCA were changed from Global developmental delay, progressive ataxia, and elevated glutamine, OMIM:618412; Global developmental delay, progressive ataxia, and elevated glutamine, MONDO:0032733 to Global developmental delay, progressive ataxia, and elevated glutamine, OMIM:618412
Intellectual disability - microarray and sequencing v3.714 GLS_GCA Arina Puzriakova Tag NGS Not Validated tag was added to STR: GLS_GCA.
Intellectual disability - microarray and sequencing v3.714 GLS_GCA Arina Puzriakova changed review comment from: Comment on list classification: Early developmental delay, which preceded other progressive neurological concerns, was reported in the three unrelated cases from PMID:30970188. Following discussion with Helen Brittain (Genomics England Clinical Team) it was agreed that this is sufficient for inclusion on this panel.

However, detection of this 5' UTR triplet expansion must first be internally validated for the interpretation pipeline. In the meantime, rating Red but will raise the STR for validation with the Rare Disease team.; to: Comment on list classification: Early developmental delay, which preceded other progressive neurological concerns, was reported in the three unrelated cases from PMID:30970188. Following discussion with Helen Brittain (Genomics England Clinical Team) it was agreed that this is sufficient for inclusion on this panel.

However, detection of this 5' UTR triplet expansion must first be validated within the Genomics England pipeline. In the meantime, rating Red but will raise the STR for validation with the Rare Disease team.
Intellectual disability - microarray and sequencing v3.714 GLS_GCA Arina Puzriakova Classified STR: GLS_GCA as Red List (low evidence)
Intellectual disability - microarray and sequencing v3.714 GLS_GCA Arina Puzriakova Added comment: Comment on list classification: Early developmental delay, which preceded other progressive neurological concerns, was reported in the three unrelated cases from PMID:30970188. Following discussion with Helen Brittain (Genomics England Clinical Team) it was agreed that this is sufficient for inclusion on this panel.

However, detection of this 5' UTR triplet expansion must first be internally validated for the interpretation pipeline. In the meantime, rating Red but will raise the STR for validation with the Rare Disease team.
Intellectual disability - microarray and sequencing v3.714 GLS_GCA Arina Puzriakova Str: gls_gca has been classified as Red List (Low Evidence).
Intellectual disability - microarray and sequencing v3.713 GLS_GCA Arina Puzriakova Tag STR tag was added to STR: GLS_GCA.
Tag for-review tag was added to STR: GLS_GCA.
Intellectual disability - microarray and sequencing v3.709 GLS_GCA Arina Puzriakova STR: GLS_GCA was added
STR: GLS_GCA was added to Intellectual disability. Sources: Literature
Mode of inheritance for STR: GLS_GCA was set to BIALLELIC, autosomal or pseudoautosomal
Publications for STR: GLS_GCA were set to 30970188
Phenotypes for STR: GLS_GCA were set to Global developmental delay, progressive ataxia, and elevated glutamine, OMIM:618412; Global developmental delay, progressive ataxia, and elevated glutamine, MONDO:0032733
Review for STR: GLS_GCA was set to GREEN
Added comment: - PMID: 30970188 (2019) - Three unrelated cases who presented with an early-onset global developmental delay, progressive ataxia, and elevated levels of glutamine. One patient also showed cerebellar atrophy.

All 3 individuals harboured a large trinucleotide (GCA) repeat expansion in the 5' UTR (length: 680-1,500-copy repeats). The repeat expansion was found in homozygosity in 1 case, and occurred in compound heterozygosity with an SNV in the other two cases (missense and frameshift variant, respectively). Functional analysis showed the repeat expansion results in reduced expression and glutaminase deficiency.
Sources: Literature