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Constitutional genetics
Week of 3 June 2026
16 articles
Geno'X Veille — genox-veille.fr
Key takeaways this week
- ►BORCS5 — new lysosomal gene, NDD-to-lethal arthrogryposis spectrum, zebrafish model.
- ►PHEX — burosumab effective and safe from the first months of life in XLH.
- ►FGF14 — GAA expansion underdiagnosed in 13% of unsolved sporadic ataxias.
- ►PRKN — alternative translation initiation mechanism explaining delayed onset of exon 2 deletion.
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BORCS5
Autosomique récessifPubMed★ Top pick
Pathogenic variants in BORCS5 cause a spectrum of neurodevelopmental and neurodegenerative disorders with lysosomal dysfunction.
Neurodevelopmental and neurodegenerative spectrum with lysosomal dysfunction
9
/10
NeurodevelopmentNew geneNew mechanism
J Clin Invest 2026· JunRead
PHEX
Lié à l'XPubMedSafety, tolerability, pharmacokinetics, and efficacy of burosumab in infants with X-linked hypophosphataemia: an open-label, multicentre, non-randomised study.
X-linked hypophosphataemia (XLH) — infants
8
/10
Therapeutic implication
Lancet Diabetes Endocrinol 2026· JunRead
LGI1
PubMedGene burden meta-analysis of 748 879 individuals identifies LGI1-ADAM23 protein complex association with epilepsy.
Epilepsy — gene burden meta-analysis, LGI1-ADAM23 protein complex
8
/10
Metabolism / EpilepsyNew gene
Epilepsia 2026· MayRead
WGS / Diagnosis
PubMedFibroblast Transcriptomics in Molecular Diagnostics of a Comprehensive Dystonia Cohort.
Dystonia — molecular diagnostics by fibroblast transcriptomics
8
/10
WGS / DiagnosisFunctional SNV
Ann Neurol 2026· JunRead
SMARCB1
Autosomique dominantPubMedMultimodal Genotype-Phenotype Analysis in SMARCB1-Associated Developmental Disorders.
Coffin-Siris syndrome and SMARCB1-associated developmental disorders
7
/10
NeurodevelopmentPhenotypic expansion
Genet Med 2026· MayRead
PRKN
Autosomique récessifPubMedAlternative Translation Initiation in PRKN Delays the Onset of Parkinson's Disease and Offers a Therapeutic Target.
PRKN autosomal recessive Parkinson's disease
7
/10
New mechanismFunctional SNV
Ann Neurol 2026· MayRead
SOD1
Autosomique dominantPubMed⭐ À la une
High Prevalence of SOD1 Pathogenic Variants in the UK Biobank: Implications for Early Intervention in Amyotrophic Lateral Sclerosis.
SOD1-ALS — biobank prevalence and implications for preemptive screening
7
/10
Therapeutic implication
Ann Neurol 2026· JunRead
LRRK2
Autosomique dominantPubMedThe Age at Onset of LRRK2 p.Gly2019Ser Parkinson's Disease Across Ancestries and Countries of Origin.
LRRK2 p.Gly2019Ser Parkinson's disease — age at onset by ancestry
7
/10
Recurrent variant
Ann Neurol 2026· MayRead
FGF14
Autosomique dominantPubMedGAA-FGF14 Ataxia Is a Frequently Overlooked Cause of Sporadic Adult-Onset Ataxia.
GAA-FGF14 ataxia (SCA27B) — adult-onset autosomal dominant cerebellar ataxia
6
/10
Long-read WGSRepeat expansionLong-read sequencing
Clin Genet 2026· MayRead
LEPR
PubMedGenotype-Phenotype Spectrum of Non-Syndromic Monogenic Obesity in a National Paediatric Cohort.
Non-syndromic monogenic obesity — leptin-melanocortin pathway
6
/10
WGS / DiagnosisRecurrent variant
Pediatr Obes 2026· JunRead
Rapid WGS
PubMedRapid Genome and Exome Sequencing in Inpatients: Clinical Impact at a Tertiary Academic Medical Center.
Rapid genome/exome sequencing in inpatients — clinical impact
6
/10
Rapid WGSClinical pipeline
Am J Med Genet A 2026· JunRead
Long-read WGS
PubMedNovel Haplotype-Based Noninvasive Prenatal Diagnosis for Recessive Single-Gene Disorders: A Proof-of-Concept Study.
Noninvasive prenatal diagnosis — recessive single-gene disorders
6
/10
Long-read WGSPrenatal applicationLong-read sequencing
Clin Genet 2026· JunRead
WGS / Diagnosis
PubMedIdentification of monogenic variants in steroid-resistant and steroid-sensitive nephrotic syndrome.
Steroid-resistant nephrotic syndrome (SRNS) — molecular diagnosis by exome sequencing
6
/10
WGS / Diagnosis
Pediatr Nephrol 2026· JunRead
WGS / Diagnosis
PubMedA Proposed Clinical Diagnostic Framework for Short Telomere Syndrome.
Short Telomere Syndrome
5
/10
WGS / DiagnosisNew recommendation
Clin Genet 2026· MayRead
Rapid WES
PubMedImpact of Rapid Exome Sequencing on Pediatric Patients With Cardiomyopathy and Acute Heart Failure.
Pediatric cardiomyopathy with acute heart failure — rapid exome sequencing
5
/10
Rapid WESTherapeutic implication
Am J Med Genet A 2026· JunRead
RPE65
Autosomique récessifPubMedGene therapy outcomes in young patients with RPE65-retinal degeneration.
RPE65-associated Leber congenital amaurosis (RPE65-LCA)
4
/10
Therapeutic implication
Can J Ophthalmol 2026· JunRead
References and sources
- BORCS5 — Neurodevelopmental and neurodegenerative spectrum with lysosomal dysfunction. J Clin Invest 2026. PMID 42012897. Score 9/10. https://pubmed.ncbi.nlm.nih.gov/42012897/
- PHEX — X-linked hypophosphataemia (XLH) — infants. Lancet Diabetes Endocrinol 2026. PMID 42044650. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42044650/
- SMARCB1 — Coffin-Siris syndrome and SMARCB1-associated developmental disorders. Genet Med 2026. PMID 42206491. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/42206491/
- Short Telomere Syndrome. Clin Genet 2026. PMID 42219160. Score 5/10. https://pubmed.ncbi.nlm.nih.gov/42219160/
- FGF14 — GAA-FGF14 ataxia (SCA27B) — adult-onset autosomal dominant cerebellar ataxia. Clin Genet 2026. PMID 42204984. Score 6/10. https://pubmed.ncbi.nlm.nih.gov/42204984/
- LGI1 — Epilepsy — gene burden meta-analysis, LGI1-ADAM23 protein complex. Epilepsia 2026. PMID 42216960. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/42216960/
- PRKN — PRKN autosomal recessive Parkinson's disease. Ann Neurol 2026. PMID 41724727. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/41724727/
- LEPR — Non-syndromic monogenic obesity — leptin-melanocortin pathway. Pediatr Obes 2026. PMID 42210527. Score 6/10. https://pubmed.ncbi.nlm.nih.gov/42210527/
- SOD1 — SOD1-ALS — biobank prevalence and implications for preemptive screening. Ann Neurol 2026. PMID 41852184. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/41852184/
- Rapid genome/exome sequencing in inpatients — clinical impact. Am J Med Genet A 2026. PMID 41704091. Score 6/10. https://pubmed.ncbi.nlm.nih.gov/41704091/
- Noninvasive prenatal diagnosis — recessive single-gene disorders. Clin Genet 2026. PMID 41681029. Score 6/10. https://pubmed.ncbi.nlm.nih.gov/41681029/
- RPE65 — RPE65-associated Leber congenital amaurosis (RPE65-LCA). Can J Ophthalmol 2026. PMID 41679721. Score 4/10. https://pubmed.ncbi.nlm.nih.gov/41679721/
- Dystonia — molecular diagnostics by fibroblast transcriptomics. Ann Neurol 2026. PMID 41623120. Score 8/10. https://pubmed.ncbi.nlm.nih.gov/41623120/
- LRRK2 — LRRK2 p.Gly2019Ser Parkinson's disease — age at onset by ancestry. Ann Neurol 2026. PMID 41735653. Score 7/10. https://pubmed.ncbi.nlm.nih.gov/41735653/
- Steroid-resistant nephrotic syndrome (SRNS) — molecular diagnosis by exome sequencing. Pediatr Nephrol 2026. PMID 41575523. Score 6/10. https://pubmed.ncbi.nlm.nih.gov/41575523/
- Pediatric cardiomyopathy with acute heart failure — rapid exome sequencing. Am J Med Genet A 2026. PMID 41572441. Score 5/10. https://pubmed.ncbi.nlm.nih.gov/41572441/