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Constitutional genetics
Week of 23 June 2026
20 articles
Geno'X Veille — genox-veille.fr
Key takeaways this week
- ►POLR3A — first monoallelic gene of the RNA Polymerase III complex causing progressive peripheral neuropathy.
- ►ASS1 — functional profiling of 2,193 missense variants: reclassification of all ClinVar VUS in citrullinemia type 1.
- ►POLD1/FAN1 — DNA repair modifier variants shift Huntington’s disease onset by ±20 years.
- ►Genomic newborn screening — 70 % of carriers of actionable variants remain undiagnosed into adulthood.
- ►RNU4ATAC — two large cohorts published simultaneously redefine a broader and more frequent spectrum than assumed.
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POLR3A
Autosomal dominantPubMed★ Top pick
Monoallelic POLR3A Variants Cause Early-Onset Peripheral Neuropathy
RNA Polymerase III-related peripheral neuropathy
0
NeurologyNew geneFunctional SNV
Ann Neurol 2026· JunRead
ASS1
Autosomal recessivePubMed★ Top pick
Functional profiling of 2,193 ASS1 missense variants: Insights into variant pathogenicity and epistatic interactions in citrullinemia type I
Citrullinemia type 1 — functional variant classification
0
Metabolism / EpilepsyVUS reclassifiedFunctional SNV
PLoS Genet 2026· JunRead
Newborn screening
Autosomal recessivePubMed★ Top pick
Reproductive Carrier Screening Detects Early Actionable Metabolic Conditions
Early actionable metabolic conditions — reproductive carrier screening
0
Newborn screeningPrenatal application
Genet Med 2026· JunRead
RNU4ATAC
Autosomal recessivePubMed★ Top pick
Expanding the clinical spectrum of RNU4ATAC-opathies: more frequent and diverse than assumed
RNU4ATAC-opathies — expanded clinical spectrum
0
NeurodevelopmentPhenotypic expansion
Genet Med 2026· JunRead
KCNQ2
PubMed★ Top pick
Burst-Suppression EEG in Early Infantile Developmental and Epileptic Encephalopathies: Phenotype, Genotype, and Outcome
Early infantile developmental and epileptic encephalopathies with burst-suppression (EIDEE-BS)
0
Metabolism / EpilepsyPhenotypic expansion
Neurology 2026· JunRead
Long-read WGS
PubMedEnsilication preserves high-molecular weight native DNA for clinical long-read sequencing
Long-read sequencing — ambient temperature DNA preservation
0
Long-read WGSLong-read sequencing
Genome Biol 2026· JunRead
Beckwith-Wiedemann syndrome / Congenital hyperinsulinism
PubMedDeterminants of hyperinsulinism severity in children with Beckwith-Wiedemann syndrome
Beckwith-Wiedemann syndrome / Congenital hyperinsulinism
0
J Clin Endocrinol Metab 2026· JunRead
TRIB1AL
PubMedIntegrative genetic and liver transcriptomic analyses identify TRIB1AL as a target for steatotic liver disease
Metabolic steatohepatitis (MASLD) — noncoding RNA therapeutic target
0
New mechanism
J Clin Endocrinol Metab 2026· JunRead
RNU4ATAC
Autosomal recessivePubMedRNU4ATAC-opathy: Clinical, molecular and transcriptomic insights from a large cohort
RNU4ATAC-opathy — large international cohort
0
NeurodevelopmentPhenotypic expansionVUS reclassified
Genet Med 2026· JunRead
Inherited retinal diseases — genes with dual inheritance patterns
PubMedInherited retinal disease genes with dual inheritance patterns: insights from the IRD-PT registry
Inherited retinal diseases — genes with dual inheritance patterns
0
J Med Genet 2026· JunRead
RUNX1
Autosomal dominantPubMedFunctional analysis of germline RUNX1 variants identified in individuals with suspected familial platelet disorder
Familial platelet disorder with myeloid malignancies (FPDMM)
0
VUS reclassifiedFunctional SNV
Blood Adv 2026· JunRead
GAA
Autosomal recessivePubMedHigh prevalence of GAA c.[752C>T;761C>T] haplotype complicates high-risk screening for Pompe disease in the Chinese population
Pompe disease — GAA pseudodeficiency in East Asian populations
0
Newborn screeningRecurrent variant
Mol Genet Metab 2026· JunRead
Genetic architecture — rare/common variant interactions
PubMedIndividuals who deviate from polygenic expectation are enriched for damaging variants in genes linked to rare disease
Genetic architecture — rare/common variant interactions
0
Am J Hum Genet 2026· JunRead
Newborn screening
PubMedLong-term Penetrance of Disease Variants in Genes Prioritized for Genomic Newborn Screening: Evidence from Adult Biobanks
Genomic newborn screening — long-term penetrance
0
Newborn screeningPrenatal application
medRxiv 2026· JunRead
POLD1
medRxivRare loss-of-function variants in POLD1, PMS1 and FAN1 modify age at onset of motor symptoms in Huntington's disease
Huntington's disease — genetic modifiers of age at onset
0
New mechanism
medRxiv 2026· JunRead
Rapid WGS
PubMedMolecular Diagnostic Yield of Exome Sequencing and Genome Sequencing in Critically Ill Neonates and Infants: A Systematic Review and Meta-Analysis
WES/WGS diagnostic yield in critically ill neonates and infants
0
Rapid WGS
Genet Med 2026· JunRead
AIRE
PubMedLong-term follow-up of autoimmune polyendocrine syndrome type 1 in Norway
Autoimmune polyendocrine syndrome type 1 (APS-1)
0
J Clin Endocrinol Metab 2026· JunRead
ANKRD11
Autosomal dominantPubMedInsights into ANKRD11-related epilepsy from 163 people
KBG syndrome / ANKRD11-related epilepsy
0
NeurodevelopmentPhenotypic expansion
Epilepsia 2026· JunRead
LRP2
Autosomal recessivePubMedFailure of endocytic flux in Donnai-Barrow syndrome caused by LRP2 p.C1400R
Donnai-Barrow syndrome
0
Functional SNVNew mechanism
JCI Insight 2026· JunRead
Cardiology
Autosomal dominantPubMedTackling non-canonical splicing in arrhythmogenic cardiomyopathy to reduce the uncertain significance variants burden
Arrhythmogenic cardiomyopathy — non-canonical splicing variants
0
CardiologyVUS reclassifiedDeep intronic variant
J Transl Med 2026· JunRead
References and sources
- POLR3A — RNA Polymerase III-related peripheral neuropathy. Ann Neurol 2026. PMID 42260910. Score 10/10. https://onlinelibrary.wiley.com/doi/10.1002/ana.78268
- ASS1 — Citrullinemia type 1 — functional variant classification. PLoS Genet 2026. PMID 42308225. Score 10/10. https://pubmed.ncbi.nlm.nih.gov/42308225/
- Early actionable metabolic conditions — reproductive carrier screening. Genet Med 2026. PMID 42299740. Score 9/10. https://pubmed.ncbi.nlm.nih.gov/42299740/
- RNU4ATAC — RNU4ATAC-opathies — expanded clinical spectrum. Genet Med 2026. PMID 42322192. Score 9/10. https://pubmed.ncbi.nlm.nih.gov/42322192/
- KCNQ2 — Early infantile developmental and epileptic encephalopathies with burst-suppression (EIDEE-BS). Neurology 2026. PMID 42190144. Score 9/10. https://pubmed.ncbi.nlm.nih.gov/42190144/
- Long-read sequencing — ambient temperature DNA preservation. Genome Biol 2026. PMID 42298673. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42298673/
- Beckwith-Wiedemann syndrome / Congenital hyperinsulinism. J Clin Endocrinol Metab 2026. PMID 41655234. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/41655234/
- TRIB1AL — Metabolic steatohepatitis (MASLD) — noncoding RNA therapeutic target. J Clin Endocrinol Metab 2026. PMID 41635218. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/41635218/
- RNU4ATAC — RNU4ATAC-opathy — large international cohort. Genet Med 2026. PMID 42322193. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42322193/
- Inherited retinal diseases — genes with dual inheritance patterns. J Med Genet 2026. PMID 42321002. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42321002/
- RUNX1 — Familial platelet disorder with myeloid malignancies (FPDMM). Blood Adv 2026. PMID 42308221. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42308221/
- GAA — Pompe disease — GAA pseudodeficiency in East Asian populations. Mol Genet Metab 2026. PMID 42320386. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42320386/
- Genetic architecture — rare/common variant interactions. Am J Hum Genet 2026. PMID 42330953. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42330953/
- Genomic newborn screening — long-term penetrance. medRxiv 2026. PMID 42326822. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42326822/
- POLD1 — Huntington's disease — genetic modifiers of age at onset. medRxiv 2026. doi:10.64898/2026.06.16.26354747. Score 8/10. https://www.medrxiv.org/content/10.64898/2026.06.16.26354747v1
- AIRE — Autoimmune polyendocrine syndrome type 1 (APS-1). J Clin Endocrinol Metab 2026. PMID 41678364. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/41678364/
- ANKRD11 — KBG syndrome / ANKRD11-related epilepsy. Epilepsia 2026. PMID 42322264. Score 7/10. https://onlinelibrary.wiley.com/doi/10.1002/epi.70351
- LRP2 — Donnai-Barrow syndrome. JCI Insight 2026. PMID 42024452. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/42024452/
- Arrhythmogenic cardiomyopathy — non-canonical splicing variants. J Transl Med 2026. PMID 42323666. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/42323666/
- WES/WGS diagnostic yield in critically ill neonates and infants. Genet Med 2026. PMID 42267533. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42267533/