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Childhood onset hereditary spastic paraplegia v8.22 BHLHE22 Arina Puzriakova Tag Q3_25_promote_green was removed from gene: BHLHE22.
Tag watchlist tag was added to gene: BHLHE22.
Childhood onset hereditary spastic paraplegia v8.22 BHLHE22 Arina Puzriakova changed review comment from: Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update - tone abnormalities were present in all individuals, presenting as lower limb or appendicular spasticity in 6 patients.; to: Comment on list classification: There is sufficient evidence to support classification of this gene as Green (tone abnormalities were present in all individuals, presenting as lower limb or appendicular spasticity in 6 patients). However, PMID:39502664 is currently still in pre-print and therefore this gene-disease association should be considered provisional pending peer-reviewed publication.
Childhood onset hereditary spastic paraplegia v8.22 BHLHE22 Achchuthan Shanmugasundram Tag gene-checked tag was added to gene: BHLHE22.
Childhood onset hereditary spastic paraplegia v8.12 BHLHE22 Arina Puzriakova changed review comment from: Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update - 6/7 individuals available for examination exhibited significant GDD and ID.; to: Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update - tone abnormalities were present in all individuals, presenting as lower limb or appendicular spasticity in 6 patients.
Childhood onset hereditary spastic paraplegia v8.12 BHLHE22 Arina Puzriakova Classified gene: BHLHE22 as Amber List (moderate evidence)
Childhood onset hereditary spastic paraplegia v8.12 BHLHE22 Arina Puzriakova Added comment: Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update - 6/7 individuals available for examination exhibited significant GDD and ID.
Childhood onset hereditary spastic paraplegia v8.12 BHLHE22 Arina Puzriakova Gene: bhlhe22 has been classified as Amber List (Moderate Evidence).
Childhood onset hereditary spastic paraplegia v8.11 BHLHE22 Arina Puzriakova gene: BHLHE22 was added
gene: BHLHE22 was added to Childhood onset hereditary spastic paraplegia. Sources: Literature
Q3_25_promote_green tags were added to gene: BHLHE22.
Mode of inheritance for gene: BHLHE22 was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Publications for gene: BHLHE22 were set to 39502664
Phenotypes for gene: BHLHE22 were set to Neurodevelopmental disorder, MONDO:0700092
Review for gene: BHLHE22 was set to GREEN
Added comment: PMID: 39502664 - 11 individuals from 9 unrelated families with BHLHE22 variants, presenting with a neurodevelopmental disorder including absent or limited speech, impaired motor function, intellectual disability, involuntary movements, autistic traits, abnormal muscle tone. Most had partial or complete agenesis of the corpus callosum, and some also showed epilepsy, dysmorphic features, and eye anomalies.

Four individuals had de novo missense variants within the helix-loop-helix domain, and seven carried a recurrent homozygous frameshift variant, p.(Gly74Alafs*18).

Mice lacking bhlhe22 show nearly complete loss of three brain comminsure, including the corpus callosum, recapitulating the structural anomalies seen in affected humans.
Sources: Literature