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124 articles across 8 weeks of constitutional-genetics watch.

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TMEM63B
Autosomal recessivePubMed
★ Top pick

Bi-allelic loss-of-function variants in TMEM63B cause syndromic surfactant dysfunction disorder

Syndromic surfactant dysfunction disorder (pediatric interstitial lung disease)
10
/10
New geneFunctional SNV
Am J Hum Genet 2026· JunRead
RNU4-2
ARPubMed
★ Top pick

Biallelic variants in the noncoding RNA gene RNU4-2 cause a recessive neurodevelopmental syndrome with distinct white matter changes

Novel recessive NDD syndrome with white matter abnormalities (distinct from dominant ReNU — MIM#620851)
10
/10
New mechanismPhenotypic expansion
Nature Genetics, 58:761-773 (2026)Read
PLEKHA6
AD (variable penetrance)medRxiv
★ Top pick
⭐ À la une

PLEKHA6 — nouveau gène associé à l'hypogonadisme hypogonadotrope idiopathique (IHH)

Idiopathic hypogonadotropic hypogonadism (IHH) — endocrinology / reproduction
10
/10
New geneNew mechanism
medRxiv preprint· AprRead
FLNB
Autosomal recessivePubMed
★ Top pick

Biallelic pathogenic variants in FLNB are associated with paediatric steroid-resistant nephrotic syndrome via podocyte cytoskeletal dysfunction

Pediatric steroid-resistant nephrotic syndrome (SRNS)
9
/10
New geneFunctional SNV
J Med Genet 2026· JunRead
BORCS5
Autosomal recessivePubMed
★ 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
Long-read WGS
PubMed
★ Top pick

Sensitivity of HiFi long-read genome sequencing for difficult-to-detect pathogenic variants when applied to real-world clinical laboratory samples.

Difficult-to-detect pathogenic variants (repeat expansions, deep intronic, structural variants, mosaicism)
9
/10
Long-read WGSLong-read sequencingClinical pipeline
Am J Hum Genet 2026· MayRead
WDHD1
Autosomal recessivePubMed
★ Top pick

Bi-allelic variants in WDHD1 cause microcephalic primordial dwarfism.

Microcephalic primordial dwarfism (MPD) with acute liver failure, hematological abnormalities, and Leigh syndrome-like neurological involvement
9
/10
New geneFunctional SNV
Am J Hum Genet 2026· MayRead
CDK5RAP3
ARPubMed
★ Top pick

A severe neurodevelopmental syndrome linked to a South Asian founder variant in the UFMylation adaptor CDK5RAP3

Novel severe autosomal recessive neurodevelopmental syndrome linked to UFMylation
9
/10
New gene
Acta Neuropathologica, online 2026-04-27· AprRead
NME5
ARPubMed
★ Top pick

Discovery of a Pathogenic NME5 Variant Underlying Acephalic Spermatozoa Syndrome

Male infertility — acephalic spermatozoa syndrome (ASS)
9
/10
New gene
Clinical Genetics, 2026 Feb;109(2):368-373· AugRead
ZFHX4
AD de novoPubMed
★ Top pick

Loss of function of the zinc finger homeobox 4 gene, ZFHX4, underlies a neurodevelopmental disorder

Novel neurodevelopmental disorder (intellectual disability / global delay)
9
/10
New gene
Am J Hum Genet / Genet Med, 2025Read
FBN1
Autosomal dominantPubMed

Genetic yield of targeted diagnostic screening in a large European cohort of 368 thoracic aortic dissection patients

Thoracic aortic dissection, hereditary aortopathies (FBN1, ACTA2, COL3A1, TGFBR1)
8
/10
WGS / DiagnosisRecurrent variant
Eur J Hum Genet 2026· JunRead
WDTC1
Autosomal dominantPubMed

WDTC1 Haploinsufficiency as a Cause of Neurodevelopmental Phenotypes

Neurodevelopmental syndrome with intellectual disability, epilepsy, and variable obesity (WDTC1)
8
/10
NeurodevelopmentNew gene
Clin Genet 2026· JunRead
DUX4
bioRxiv

The D4Z4caster DNA methylation signature identifies individuals at epigenetic risk for facioscapulohumeral muscular dystrophy

Facioscapulohumeral muscular dystrophy (FSHD1 and FSHD2)
8
/10
New mechanism
bioRxiv 2026· MayRead
WGS / Diagnosis
medRxiv

Stratified evaluation of blood RNA sequencing in a rare disease cohort

Rare diseases / diagnostic odyssey (blood RNA-seq pipeline)
8
/10
WGS / DiagnosisDeep intronic variantDiagnostic yield
medRxiv 2026· MayRead
PUS7
Autosomal recessivePubMed

Novel Variants in PUS7 Associated With Intellectual Disability and Growth Retardation: Expanding the Clinical Spectrum in 13 Patients

Intellectual disability syndrome with growth retardation and microcephaly (PUS7)
8
/10
NeurodevelopmentPhenotypic expansion
Clin Genet 2026· JunRead
YTHDC2
Autosomal recessivePubMed

Novel variants in YTHDC2 cause non-obstructive azoospermia by disrupting the mitotic-to-meiotic transition in humans and mice

Non-obstructive azoospermia, male infertility
8
/10
New geneFunctional SNV
Hum Reprod 2026· JunRead
WGS / Diagnosis
PubMed

Genome sequencing identifies monogenic causes in adults with metabolic diseases

Monogenic metabolic diseases in adults (hyperlipidemia, type 2 diabetes, hypothyroidism)
8
/10
WGS / Diagnosis
J Endocr Soc 2026· JulRead
PHEX
X-linkedPubMed

Safety, 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
PubMed

Gene 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
PubMed

Fibroblast Transcriptomics in Molecular Diagnostics of a Comprehensive Dystonia Cohort.

Dystonia — molecular diagnostics by fibroblast transcriptomics
8
/10
WGS / DiagnosisFunctional SNV
Ann Neurol 2026· JunRead
HARS1
Autosomal recessivePubMed

Histidine Supplementation Stabilizes Hearing and Vision and Improves Growth in HARS1-Related Autosomal Recessive Disorder Associated With Usher-Like Symptoms

HARS1-related autosomal recessive disorder (Usher-like syndrome type 3B)
8
/10
Therapeutic implication
Am J Med Genet A 2026· MayRead
Inflammatory bowel disease (IBD — Crohn's disease and ulcerative colitis)
medRxiv
⭐ À la une

Exome sequencing directly implicates 68 genes in inflammatory bowel disease

Inflammatory bowel disease (IBD — Crohn's disease and ulcerative colitis)
8
/10
medRxiv 2026· MayRead
KMT2D
Autosomal dominantPubMed

A next-generation episignature for Kabuki syndrome enables fine mapping of the impact of KMT2D variants to inform precision medicine.

Kabuki syndrome type 1
8
/10
NeurodevelopmentVUS reclassifiedLong-read sequencing
American Journal of Human Genetics 2026· MayRead
TSC1, TSC2
Autosomal dominantPubMed

Uncovering apparent incomplete penetrance of TSC1/TSC2 variants: Insights from multiple population cohorts and implications for newborn screening.

Tuberous sclerosis complex
8
/10
Newborn screeningPenetrance updatePrenatal application
European Journal of Human Genetics 2026· MayRead
ATG12
Autosomal recessivePubMed

Bi-allelic ATG12 variants impair autophagy and cause a neurodevelopmental disorder.

Neurodevelopmental disorder with intellectual disability, congenital ataxia, hypotonia, seizures, and cerebellar vermis hypoplasia
8
/10
NeurodevelopmentNew geneFunctional SNV
Am J Hum Genet 2026· MayRead
Newborn screening
PubMed

Nationwide Newborn Screening for Mucopolysaccharidoses in Taiwan: Impact, Early Diagnosis, and Clinical Advances over the Past Decade.

Mucopolysaccharidoses (MPS I, II, IVA, VI) — nationwide newborn screening
8
/10
Newborn screeningTherapeutic implicationRecurrent variant
Genet Med 2026· MayRead
DSCAM
ARPubMed

Biallelic loss-of-function variants in DSCAM cause a neurodevelopmental syndrome with nystagmus and retinal dysfunction

Novel autosomal recessive NDD: intellectual disability, nystagmus and retinal dysfunction
8
/10
NeurodevelopmentNew gene
HGG Advances, 2026· AprRead
TRIO
AD de novoPubMed

De Novo TRIO Missense Variants Disrupt Ras-GEF Domains and Cause Congenital Ventriculomegaly and Hydrocephalus

Congenital ventriculomegaly/hydrocephalus and neurodevelopmental disorder
8
/10
NeurodevelopmentPhenotypic expansion
Human Mutation, 2026Read
PMP22
ADPubMed

Identification and Targeted Correction of a Pathogenic PMP22 Deep Intronic Variant

Hereditary demyelinating peripheral neuropathy (CMT1E / HNPP)
8
/10
NeurologyFunctional SNV
International Journal of Molecular Sciences, 2026· AprRead
SNX14
ARPubMed

A Homozygous Deep Intronic SNX14 Variant Activates Pseudo-Exon Inclusion in a Patient with SCAR20

SCAR20 (autosomal recessive spinocerebellar ataxia type 20)
8
/10
NeurologyFunctional SNV
Genes (Basel), 2026· MarRead
WGS Clinique
PubMed

Short-read genome sequencing at population scale: diagnostic insights from 2317 patients

Genetic diseases across all specialties — real-world first-tier WGS benchmark (Denmark)
8
/10
NeurodevelopmentDiagnostic yield
European Journal of Human Genetics, 2026· MarRead
HNRNPH2
XL de novoPubMed
⭐ À la une

Preclinical evaluation of antisense oligonucleotide therapy in a mouse model of HNRNPH2-related neurodevelopmental disorder

HNRNPH2-related NDD (X-linked, developmental delay, intellectual disability, motor disturbance)
8
/10
Functional SNV
Science Translational Medicine, 2026 Apr 22;18(846):eadx3491· AprRead
SLC12A5
ARPubMed

Compound heterozygous SLC12A5 variants expand the molecular and functional spectrum of KCC2-developmental and epileptic encephalopathy

KCC2-developmental and epileptic encephalopathy (KCC2-DEE) — severe neonatal EIMFS
8
/10
Phenotypic expansionNew mechanism
Epilepsia, online ahead of print 2026· AprRead
LDB1
AD de novomedRxiv

De novo variants in LDB1 are linked to distinct neurodevelopmental phenotypes determined by variant location and differing pathomechanisms

NDD — genotype–phenotype correlation driven by variant location
8
/10
NeurodevelopmentNew mechanism
medRxiv preprint· FebRead
MAP2K4
AD de novomedRxiv

De novo MAP2K4 variants cause a novel syndromic neurodevelopmental disorder

Novel syndromic NDD + congenital malformations (mostly genitourinary) + epilepsy
8
/10
Metabolism / EpilepsyNew gene
medRxiv preprint· DecRead
Alzheimer's disease and related dementias (polygenic genetic architecture)
PubMed

Consensus meta-analysis of genome-wide association studies for Alzheimer's disease and related dementias

Alzheimer's disease and related dementias (polygenic genetic architecture)
7
/10
Nat Genet 2026· JunRead
Neurodevelopment
PubMed

Neurodevelopmental copy-number variants increase risk of internalizing and cardiometabolic multimorbidity: Findings from the UK Biobank

Neurodevelopmental CNVs, cardiometabolic and psychiatric multimorbidity in adulthood
7
/10
NeurodevelopmentPhenotypic expansion
Am J Hum Genet 2026· JunRead
SCN1A
PubMed

ACMG/AMP variant classification specifications from the ClinGen Epilepsy Sodium Channel Variant Curation Expert Panel

Sodium channel-related epilepsies (SCN1A/Dravet, SCN2A, SCN3A, SCN8A, SCN1B)
7
/10
Metabolism / EpilepsyVUS reclassified
Genet Med 2026· JunRead
CEBPA
Autosomal dominantPubMed

Location matters: topography of germline CEBPA variants predicts variable outcomes in familial acute myeloid leukaemia-a rare disease perspective

Familial germline CEBPA acute myeloid leukemia
7
/10
Recurrent variant
J Med Genet 2026· MayRead
PSMD2
De novoJournal

De Novo 3q27.1 Microdeletion Refines the Critical Region and Implicates PSMD2 Haploinsufficiency in Growth and Neurodevelopmental Abnormalities

3q27.1 microdeletion, NDD with growth retardation and dysmorphic features (PSMD2 haploinsufficiency)
7
/10
Neurodevelopment
Am J Med Genet A 2026· JunRead
ATP6V0A2
Autosomal recessivePubMed

ATP6V0A2-Related Cutis Laxa: Identification of a Recurrent Exon 16 Deletion With Founder Effect in Southeastern Türkiye and a Novel Frameshift Variant

Autosomal recessive cutis laxa type 2 (ATP6V0A2), Debré syndrome
7
/10
Recurrent variantPhenotypic expansion
Am J Med Genet A 2026· JunRead
MED12
X-linked, féminin restreintPubMed

Differentiating the Clinical and Variant Spectrum of Hardikar Syndrome From Other MED12-Related Developmental Disorders

Hardikar syndrome (MED12), orofacial, digestive, and genitourinary malformations
7
/10
Phenotypic expansion
Am J Med Genet A 2026· JunRead
Expanded carrier screening (ECS), 176 AR/XL disorders, preventive genetics
PubMed

Expanding the Utility of Exome Sequencing in Preventive and Population Genetics

Expanded carrier screening (ECS), 176 AR/XL disorders, preventive genetics
7
/10
Am J Med Genet A 2026· MayRead
GZF1
Autosomal recessivePubMed

Expanding the Genetic and Clinical Spectrum of GZF1-Related Phenotype: A Specific Ocular and Skeletal Disorder Distinguishable From Larsen Syndrome

GZF1-related disorder, specific ocular and skeletal syndrome (distinct from Larsen syndrome)
7
/10
Phenotypic expansion
Am J Med Genet A 2026· MayRead
WDR59
Autosomal recessivePubMed

WDR59 Is Mutated in Individuals With Autosomal Recessive Syndromic Dilated Cardiomyopathy

Autosomal recessive syndromic dilated cardiomyopathy (WDR59)
7
/10
CardiologyNew geneNew mechanism
Clin Genet 2026· JunRead
RNU4-2
De novoPubMed

Exploring the Impact of RNU4-2 Defects on Neurodevelopmental Disorders in a Korean Population

RNU4-2-linked neurodevelopmental disorder, severe intellectual disability and epilepsy (non-coding spliceosomal RNA)
7
/10
NeurodevelopmentRecurrent variantNew mechanism
Clin Genet 2026· JunRead
NLGN4X
De novoPubMed

Genotype-Phenotype Correlation Through Breakpoint Characterization of a Genomically Balanced Complex Chromosomal Rearrangement Using Long Read Sequencing

Balanced complex chromosomal rearrangement (8-chromosome CCR) with NDD, disrupted NLGN4X, LAMA4, ALG6 genes
7
/10
Long-read WGSLong-read sequencing
Am J Med Genet A 2026· JunRead
SLC20A1
Autosomal recessivePubMed

Homozygous Loss-of-Function Variant in SLC20A1 Coding for Ubiquitous Phosphate Transporter PiT1 Is Associated With Multiple Developmental Abnormalities

Multiple congenital anomalies (tetralogy of Fallot, renal agenesis, polydactyly), first biallelic SLC20A1 case
7
/10
New gene
Clin Genet 2026· JunRead
SYNGAP1
Autosomal dominantPubMed

Clinical Analysis of SYNGAP1 Variant-Related Neurodevelopmental Disorders in Chinese Children

SYNGAP1-related neurodevelopmental disorder, intellectual disability with drug-resistant epilepsy
7
/10
NeurodevelopmentPhenotypic expansion
Clin Genet 2026· JunRead
BRCA1
Autosomal dominantPubMed

PRS-BC313 integration for tailored breast cancer prevention in female patients and their healthy relatives

Personalized breast cancer prevention in HBOC variant carriers (PRS-BC313 + CanRisk model)
7
/10
J Med Genet 2026· JunRead
FOXG1
De novoPubMed

Non-coding structural variants disrupt FOXG1 transcriptional regulation in early neurodevelopment

FOXG1 syndrome, neurodevelopmental encephalopathy
7
/10
New mechanism
Nat Commun 2026· JunRead
SMARCB1
Autosomal dominantPubMed

Multimodal 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
Autosomal recessivePubMed

Alternative 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
Autosomal 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
Autosomal dominantPubMed

The 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
GJB2
PubMed

Comprehensive genotype-phenotype correlation analysis in 11 509 neonates carrying common deafness-associated pathogenic variants.

Neonatal genetic hearing loss (GJB2, SLC26A4, MT-RNR1, GJB3)
7
/10
Newborn screeningRecurrent variant
J Med Genet 2026· MayRead
PSMB8
Autosomal dominantPubMed

Monoallelic PSMB8 variants cause PRAAS with immunodeficiency through impaired immunoproteasome assembly.

Proteasome-associated autoinflammatory syndrome with immunodeficiency (PRAAS-ID) — monoallelic
7
/10
Functional SNVNew mechanism
Am J Hum Genet 2026· MayRead
Mitochondrial aminoacyl-tRNA synthetase (mtARS) deficiencies
PubMed

Mitochondrial aminoacyl-tRNA synthetase (ARS)-defects: a review of phenotypes and therapeutic strategies in 899 patients.

Mitochondrial aminoacyl-tRNA synthetase (mtARS) deficiencies
7
/10
Therapeutic implication
Genet Med 2026· MayRead
WGS / Diagnosis
PubMed

Genetic findings and healthcare utilization among individuals undergoing population genomic screening for actionable hereditary disorders.

Population genomic screening for actionable hereditary disorders
7
/10
WGS / DiagnosisTherapeutic implication
Genet Med 2026· MayRead
DSPP
Autosomal dominantPubMed

Diagnosis complexity of dentinogenesis imperfecta involving DSPP genetic variants

DSPP-related dentinogenesis imperfecta (types II and III) and dentin dysplasia type II
7
/10
Long-read WGSLong-read sequencing
J Med Genet 2026· MayRead
RAI1
De novoPubMed

Phenotypic description of a large French series of individuals with Potocki-Lupski syndrome.

Potocki-Lupski syndrome (17p11.2 duplication)
7
/10
NeurodevelopmentPhenotypic expansion
J Med Genet 2026· MayRead
COL1A1, COL1A2
Autosomal dominantPubMed

Reduced penetrance of COL1A1/2 pathogenic variants linked with osteogenesis imperfecta: analysis of a large population cohort.

Osteogenesis imperfecta
7
/10
Newborn screeningPenetrance updatePrenatal application
European Journal of Human Genetics 2026· MayRead
RAC1
Autosomal dominantPubMed

Distinct sub-clusters of developmental disorder-associated variants in the switch II region of RAC1.

RAC1-related neurodevelopmental disorder
7
/10
NeurodevelopmentPhenotypic expansionFunctional SNV
European Journal of Human Genetics 2026· MayRead
NDUFA5
Autosomal recessivePubMed

Bi-allelic variants in NDUFA5 cause a mitochondriopathy with complex I deficiency.

Mitochondriopathy with complex I deficiency (severe congenital heart defects, hematological abnormalities, Leigh syndrome-like neurological involvement)
7
/10
New geneFunctional SNV
Am J Hum Genet 2026· MayRead
Rapid WGS
PubMed

Implementation of First-Line Rapid Genome Sequencing for Children in Pediatric and Cardiac Intensive Care Units

Genetic diagnoses in pediatric and cardiac intensive care units (rare diseases in acute care settings)
7
/10
Rapid WGSClinical pipeline
Am J Med Genet A 2026· MayRead
Rapid WES
PubMed

Impact of Rapid Exome Sequencing on Pediatric Patients With Cardiomyopathy and Acute Heart Failure

Pediatric cardiomyopathy with acute heart failure
7
/10
Rapid WESClinical pipelineTherapeutic implication
Am J Med Genet A 2026· MayRead
FGF12
Autosomal dominant / de novoPubMed

FGF12-Related Early-Onset Epileptic Encephalopathies: Therapeutic Response to Sodium Channel Blockers

FGF12 (FHF1)-related early-onset epileptic encephalopathies — treatment with sodium channel blockers
7
/10
Therapeutic implicationNew mechanism
Am J Med Genet A 2026· AprRead
FGF14
AD (repeat expansion)PubMed

Long-term response to aminopyridines in a cohort of patients with ataxia associated with downbeat nystagmus due to the FGF14 GAA expansion

SCA27B — cerebellar ataxia with downbeat nystagmus (A-DBN)
7
/10
NeurologyPhenotypic expansion
Neurologia (Engl Ed), 2026· MayRead
TNRC6B
ADPubMed

Expansion of the Phenotypic Spectrum of TNRC6B-Related Neurodevelopmental Disorder in a Three-Generation Family with 22q11 Region

Neurodevelopmental disorder with inter- and intrafamilial phenotypic variability
7
/10
NeurodevelopmentPhenotypic expansion
Genes (Basel), 2026· AprRead
MYPN
ADPubMed

Functional and Expression Studies of iPSC-Derived Cardiomyocytes Carrying a Novel HCM-Associated MYPN Genetic Variant

Familial hypertrophic cardiomyopathy (HCM)
7
/10
CardiologyFunctional SNV
Genes (Basel), 2026· AprRead
SYNJ1
ARPubMed

Biallelic SYNJ1 Variants in a patient with multiple system atrophy mimic syndrome

Atypical parkinsonian syndrome mimicking multiple system atrophy (MSA-like)
7
/10
NeurologyPhenotypic expansion
Neurological Sciences, 2026· MayRead
ALDH7A1
ARPubMed

Classical and Emerging Biomarkers in Pyridoxine-Dependent Epilepsy (PDE-ALDH7A1): Implications for Early Diagnosis and Therapy

Pyridoxine-dependent epilepsy (PDE-ALDH7A1) — treatable epileptic encephalopathy
7
/10
Metabolism / EpilepsyNew mechanism
Biomolecules, 2026· MarRead
LMNA
ADPubMed

High-Risk Cardiomyopathy Genotypes and Arrhythmic Risk: LMNA, FLNC, RBM20, PLN and Desmosomal Genes in the ESC 2023 Era

Hereditary cardiomyopathies (HCM, DCM) with high risk of ventricular arrhythmia and sudden death
7
/10
CardiologyPhenotypic expansion
Genes (Basel), 2026· MarRead
OTC
XLPubMed

Pedigree and Functional Analysis of Two Cryptic OTC Variants Causing Ornithine Transcarbamylase Deficiency in Two Unrelated Families

Ornithine transcarbamylase deficiency (OTCD, MIM#311250) — urea cycle disorder
7
/10
Metabolism / EpilepsyFunctional SNV
Molecular Genetics & Genomic Medicine, 2026· MayRead
MAGED2
XLPubMed

Identification of Three Novel MAGED2 Variants Causing Antenatal Bartter Syndrome in Three Chinese Families

Transient antenatal Bartter syndrome (TABS) — X-linked fetal salt-losing syndrome
7
/10
PrenatalRecurrent variant
Genes (Basel), 2026· AprRead
Prenatal
PubMed

Prenatal Whole-Genome Sequencing for Fetal Anomalies: Diagnostic Performance, Challenges, and Clinical Implications

Fetal anomalies (aneuploidies, CNVs, SNVs, structural variants, regions of absence of heterozygosity)
7
/10
PrenatalPhenotypic expansion
International Journal of Molecular Sciences, 2026· AprRead
SCN5A
ADPubMed

Short SCN5A Transcript Yields a NaV1.5 Fragment Influencing Cardiac Metabolism

Inherited cardiomyopathy / arrhythmia (Brugada, long QT, etc.) — new mechanism of action
7
/10
New mechanism
Circulation Research, 2026 Apr 24;138(9):e326973· AprRead
RNF216
ARPubMed

RNF216 Variants Found in Patients With Dementia, Hypogonadotropic Hypogonadism, and Severe Ataxia Deregulate Autophagy

Gordon-Holmes syndrome (HH + severe ataxia + dementia — MIM#212840)
7
/10
New mechanism
Journal of Clinical Endocrinology & Metabolism, 2026 Apr;111(5):1278-1286· AprRead
POR
ARPubMed

A Novel POR G88S Mutation Causes Severe PORD and Establishes a Critical Pharmacogenomic Risk Profile

P450 oxidoreductase deficiency (PORD — MIM#613571) — severe form
7
/10
Recurrent variantFunctional SNV
Journal of Clinical Endocrinology & Metabolism, 2026 Apr;111(5):e1302-e1321· AprRead
ZFX
XL de novo (♀)PubMed

De Novo Heterozygous ZFX Frameshift Variant in a Female With an X-Linked Neurodevelopmental Disorder

X-linked NDD (ZFX syndrome) — female presentation
7
/10
WGS / DiagnosisPhenotypic expansionRecurrent variant
American Journal of Medical Genetics A, 2026 Feb;200(2):521-530· OctRead
SEMA3A
ADPubMed

Identification and Functional Characterization of a Novel SEMA3A Exon Deletion Variant in Kallmann Syndrome

Kallmann syndrome — HH16 (MIM#614897)
7
/10
Functional SNV
Revue d'endocrinologie/génétique, 2026Read
HIPK4
AR (to confirm)medRxiv

HIPK4 is a novel gene associated with teratozoospermia

Male infertility — teratozoospermia
7
/10
New gene
medRxiv preprint· MarRead
ABCA4
ARbioRxiv

Loss of ABCA4 from photoreceptor discs triggers changes in glial cell homeostasis

Stargardt disease — STGD1 (MIM#248200)
7
/10
New mechanism
bioRxiv preprint· AprRead
FGF14
Autosomal dominantPubMed

GAA-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
PubMed

Genotype-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
PubMed

Rapid 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
PubMed

Novel 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
PubMed

Identification 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
Newborn screening
PubMed

The Costs of Genomic Newborn Screening in England: A Micro-Costing Analysis from the Generation Study.

Genomic newborn screening — cost analysis (Generation Study, England)
6
/10
Newborn screening
Genet Med 2026· MayRead
RAI1
De novoPubMed

Distinct Neuropsychiatric Profiles Associated With 17p11.2 Deletions and RAI1 Variants in Smith-Magenis Syndrome

Smith-Magenis syndrome (17p11.2 deletion or RAI1 variants)
6
/10
NeurodevelopmentPhenotypic expansion
Am J Med Genet A 2026· MayRead
COL3A1
Autosomal dominantPubMed

Clinical Outcomes and Patient Experiences With Celiprolol Therapy in Vascular Ehlers-Danlos Syndrome: The First Non-European Cohort

Vascular Ehlers-Danlos syndrome (vEDS)
6
/10
Therapeutic implication
Am J Med Genet A 2026· MayRead
LRRK2
Autosomal recessivemedRxiv

Rare bi-allelic loss-of-function variants in the LRRK2 kinase cause interstitial lung disease

LRRK2 biallelic loss-of-function Mendelian interstitial lung disease
6
/10
New mechanism
medRxiv 2026· MayRead
RYR1
PubMed

EMQN Best Practice Guidelines for Genetic Testing and Reporting in RYR1-related disorders.

RYR1-related disorders (malignant hyperthermia, congenital myopathy, rhabdomyolysis)
6
/10
New recommendation
European Journal of Human Genetics 2026· MayRead
NF1
PubMed

Unmasking NF1 mosaicism: optical genome mapping identifies a novel t(15;17) translocation in melanocytes.

Mosaic neurofibromatosis type 1
6
/10
Long-read sequencingNew mechanism
Journal of Medical Genetics 2026· MayRead
Metabolism / Epilepsy
PubMed

Clinical Utility of Genetic Diagnosis in Drug-Resistant Epilepsy: Refining Classification and Guiding Therapy in an Egyptian Cohort.

Genetic drug-resistant epilepsy
6
/10
Metabolism / EpilepsyTherapeutic implication
Clinical Genetics 2026· JunRead
Long-read WGS
PubMed

Novel Haplotype-Based Noninvasive Prenatal Diagnosis for Recessive Single-Gene Disorders: A Proof-of-Concept Study.

Autosomal recessive single-gene disorders (non-invasive prenatal diagnosis)
6
/10
Long-read WGSPrenatal application
Clinical Genetics 2026· JunRead
WGS / Diagnosis
PubMed

Non-Isolated Dandy-Walker Malformation: Exome Sequencing Efficacy and Phenotypic Expansions.

Non-isolated Dandy-Walker malformation
6
/10
WGS / DiagnosisPhenotypic expansion
Clinical Genetics 2026· JunRead
COCH
Autosomal dominantJournal

COCH-Related Hearing Loss in a French Cohort: Novel Variants and Genotype–Phenotype Correlations

Autosomal dominant non-syndromic sensorineural hearing loss (DFNA9)
6
/10
Recurrent variantPhenotypic expansion
Genes 2026· MayRead
Metabolism / Epilepsy
PubMed

Implications of the FDA's new plausible mechanism framework for the development of a personalized in vivo prime editing platform.

Urea cycle disorders (7 diseases: OTC, CPS1, ASS1, ASL, ARG1, NAGS, citrin deficiency)
6
/10
Metabolism / EpilepsyTherapeutic implicationNew mechanism
Am J Hum Genet 2026· MayRead
COLEC10
Autosomal recessivePubMed

Expansion of the 3MC Syndrome Spectrum: Novel COLEC10 Variants and a MASP1 Exon-Level Deletion

3MC syndrome (Malpuech-Michels-Mingarelli-Carnevale syndrome) — craniofacial malformations, limb anomalies, intellectual disability
6
/10
Phenotypic expansionRecurrent variant
Am J Med Genet A 2026· MayRead
XRCC2
Autosomal recessivePubMed

The Homozygous p.(Arg215Ter) Variant in XRCC2 Is Associated With Atypical Fanconi Anemia Without Major Hematological Abnormalities in Childhood

Atypical Fanconi anemia without major hematological abnormalities in childhood
6
/10
Recurrent variantVUS reclassified
Am J Med Genet A 2026· MayRead
CTLA4
Autosomal dominantPubMed

Clinical and Genetic Characteristics of Patients With Novel and Uncertain Significance Variants in CTLA4: A Mexican Cohort

CTLA4-related immune dysregulation (CTLA4 haploinsufficiency — CHAI) — autoimmunity, lymphoproliferation, cytopenias
6
/10
VUS reclassifiedTherapeutic implication
Clin Genet 2026· MayRead
NUP210L
Autosomal recessivePubMed

Novel NUP210L Variants Cause Fertilization Failure and Male Infertility in Humans

Fertilization failure and male infertility — NUP210L deficiency (nuclear pore complex component)
6
/10
New gene
Clin Genet 2026· AprRead
MAP3K7
ADPubMed

A Novel MAP3K7 Variant Causing Loss of Function Identified in a Family With Cardiospondylocarpofacial Syndrome: Functional Validation and Molecular Insights

Cardiospondylocarpofacial syndrome (CSCF)
6
/10
Functional SNV
Human Mutation, 2026:8024677· AprRead
HNF1A
ADPubMed

Population Prevalence, Penetrance, and Mortality for Genetically Confirmed MODY

MODY (maturity-onset diabetes of the young) — population study
6
/10
Phenotypic expansion
Journal of Clinical Endocrinology & Metabolism, 2026 Apr;111(5):e1388-e1395· AprRead
NSUN3
ARPubMed

Hypertrophic cardiomyopathy as a novel phenotypic feature of NSUN3-related mitochondrial disease: a case report with review of the literature

NSUN3 mitochondrial disease + hypertrophic cardiomyopathy (phenotypic expansion)
6
/10
Phenotypic expansion
Journal of Pediatric Endocrinology & Metabolism, 2026 Apr;39(4):372-380· AprRead
IRF2BPL
AD de novoPubMed

Recurrent IRF2BPL c.2152del Variant in NEDAMSS: A Case Report and Comparative Analysis

NEDAMSS (MIM#618088) + West syndrome
6
/10
Recurrent variantPhenotypic expansion
American Journal of Medical Genetics A, online 2026-03-11· MarRead
CAST
ARPubMed

Severe Dilated Cardiomyopathy with PLACK Syndrome Caused by a Novel Truncating Variant in the CAST Gene

PLACK syndrome (MIM#616295) + severe dilated cardiomyopathy (phenotypic expansion)
6
/10
CardiologyPhenotypic expansion
Revue de cardiogénétique, 2026Read
VCAN
GWAS susceptibilitybioRxiv

Characterization of variants associated with Cerebral Small Vessel Disease identifies a functional SNV in Versican (VCAN)

Cerebral small vessel disease (CSVD)
6
/10
Functional SNV
bioRxiv preprint· AprRead
WGS / Diagnosis
PubMed

A Proposed Clinical Diagnostic Framework for Short Telomere Syndrome.

Short Telomere Syndrome
5
/10
WGS / DiagnosisNew recommendation
Clin Genet 2026· MayRead
Rapid WES
PubMed

Impact 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
Bardet-Biedl syndrome (BBS)
Autosomal recessivePubMed

Streamlining Diagnosis of Bardet-Biedl Syndrome: New Diagnostic Algorithm With Updated Criteria

Bardet-Biedl syndrome (BBS)
5
/10
Am J Med Genet A 2026· MayRead
PPP1R12A
Autosomal dominantPubMed

Expanded Phenotype Associated With an Intronic PPP1R12A Variant: A Case Report and Literature Review

PPP1R12A-related genitourinary and/or brain malformation syndrome (autosomal dominant)
5
/10
NeurodevelopmentDeep intronic variantPhenotypic expansion
Am J Med Genet A 2026· MayRead
SMAD4
Autosomal dominantPubMed

Biliary Cirrhosis in Myhre Syndrome: The First Case Report of Liver Transplantation and a Review of Reported Hepatic Findings.

Myhre syndrome (multisystemic fibrosis)
5
/10
Phenotypic expansionTherapeutic implication
American Journal of Medical Genetics A 2026· MayRead
TECPR2
Autosomal recessivePubMed

Unraveling a Diagnostic Enigma: A TECPR2 Case Solved Through Multi-Omic Genomics.

Hereditary sensory and autonomic neuropathy type 9 (HSAN9)
5
/10
VUS reclassifiedLong-read sequencing
American Journal of Medical Genetics A 2026· MayRead
WGS / Diagnosis
Autosomal recessivePubMed

Elucidating the Genetic Landscape, Phenotypic Spectrum, and Pathogenic Mechanisms in a Turkish Cohort with Primary Microcephaly.

Primary hereditary microcephaly and syndromic primary microcephaly
5
/10
WGS / DiagnosisNew gene
Clinical Genetics 2026· MayRead
ESAM
Autosomal recessivePubMed

ESAM Loss of Function and Congenital Neurovascular Injury: Strengthening the Case for a Recognizable Clinical Phenotype.

ESAM congenital tight-junctionopathy
5
/10
New mechanismFunctional SNV
Clinical Genetics 2026· JunRead
SREBF1
Autosomal dominantPubMed

Phenotypic Expansion of Autosomal Dominant SREBF1-Related Ichthyosis Follicularis, Atrichia, Photophobia: It Is in Fact the Same Condition as Hereditary Mucoepithelial Dysplasia.

SREBF1-syndromic epidermal differentiation disorder (SREBF1-sEDD)
5
/10
Phenotypic expansionRecurrent variant
Clinical Genetics 2026· JunRead
STEAP3
Autosomal recessivePubMed

Biallelic STEAP3 Variant in Neonatal Hemophagocytic Lymphohistiocytosis.

STEAP3 biallelic neonatal hemophagocytic lymphohistiocytosis
5
/10
Phenotypic expansionNew mechanism
Clinical Genetics 2026· JunRead
FOXA2
Autosomal dominantPubMed

From Multiple Congenital Anomalies to Pituitary Gland Malformation: Wide Spectrum of Clinical Features in a Family With FOXA2 Variant

Multiple congenital anomalies with pituitary gland malformation — expanded FOXA2 spectrum
5
/10
Phenotypic expansion
Am J Med Genet A 2026· MayRead
ITPR1
Autosomal dominantPubMed

A Novel Gain-of-Function ITPR1 Variant Associated With a Movement Disorder Characterized by Tremor and Dystonia

Movement disorder with tremor and dystonia — novel ITPR1 gain-of-function mechanism
5
/10
New mechanismPhenotypic expansion
Am J Med Genet A 2026· MayRead
DONSON
ARPubMed

Meier-Gorlin syndrome due to a recurrent DONSON variant in a Turkish family: first report of thumb aplasia and long-term growth data

Meier-Gorlin syndrome (MGORS — primordial dwarfism) — phenotypic expansion
5
/10
PrenatalPhenotypic expansionRecurrent variant
Journal of Pediatric Endocrinology & Metabolism, 2026 Apr;39(4):388-395· AprRead
TGFBR2
AD / XLmedRxiv

Rare missense variants in TGFBR2 and FLNA identified by whole-exome sequencing in syndromic genetic aortopathy

Syndromic aortopathy — overlap with Loeys–Dietz syndrome 2 (MIM#610168)
5
/10
Phenotypic expansion
medRxiv preprint· MarRead
RPE65
Autosomal recessivePubMed

Gene 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