Genetic Current · Genetic Counsellors

Genetics news for genetic counsellors

Implementation, communication, ethics, and family-history practice. For counsellors and genetic nurses keeping up with the wider conversation.

163 stories · Last updated

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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: mechanism-selective deep mutational scanning distinguishes ERCC2 disease phenotypes at residue level

A yeast-complementation deep mutational scan of nearly all XPD amino acid substitutions separates ERCC2 variants that disrupt nucleotide excision repair from those that disrupt transcription, offering a functional framework for interpreting pathogenic variants in xeroderma pigmentosum and trichothiodystrophy.

2026-09-28 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: somatic NF1 second-hit mutations show strong clonal selection in oligodendrocyte lineage cells

A large-scale single-cell genomics preprint spanning over 1.7 million cells from neurofibromatosis type 1 donors finds that somatic second-hit mutations in NF1 occur widely but are positively selected almost exclusively in oligodendrocytes and their precursors.

2026-10-01 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

High-throughput splicing assay assesses pathogenicity of deep intronic variants in inherited retinal disease

A preprint describes a large-scale functional assay that tests 640 rare deep intronic variants in genes associated with recessive inherited retinal diseases, offering a route to resolve variants of uncertain significance that standard prediction tools miss.

2026-09-25 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: C9orf72 intermediate alleles expand in parental transmission, suggesting a premutation route to ALS and FTD

A bioRxiv preprint presents evidence that C9orf72 alleles carrying more than 18 hexanucleotide repeats are unstable across generations and can expand toward the pathogenic range, offering a possible explanation for the high rate of apparently sporadic ALS and frontotemporal dementia.

2026-09-16 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: LMNA missense variant disrupts nuclear integrity and sarcomere remodelling in iPSC-derived heart cells

A bioRxiv preprint uses patient-derived induced pluripotent stem cell cardiomyocytes to characterise how a Leu92Phe variant in the LMNA gene — previously linked to lipodystrophy — impairs nuclear and sarcomeric function in dilated cardiomyopathy.

2026-09-26 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: naturally regenerating muscle fibres express utrophin, complicating readouts in Duchenne therapy trials

Researchers report that utrophin — the protein being developed as a surrogate therapeutic target in Duchenne muscular dystrophy — is naturally upregulated in regenerating muscle fibres, creating a confound that may affect how trial outcomes are interpreted.

2026-09-17 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: EHMT1 variants drive severe sleep disruption in Kleefstra syndrome via ROS dysregulation in insulin-producing cells

A cross-species bioRxiv preprint finds that 70% of individuals with Kleefstra syndrome experience fragmented sleep, and links the EHMT1/G9a histone methyltransferase family to sleep maintenance through reactive oxygen species homeostasis.

2026-09-04 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Patient-derived LMX1B variant produces tissue-specific nail-patella syndrome features in knock-in mice

A CRISPR knock-in mouse carrying the R252Q substitution in LMX1B, corresponding to a human variant linked to renal-predominant disease, shows ocular and skeletal anomalies rather than the expected kidney phenotype — raising questions about tissue-specific variant effects.

2026-09-03 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint: Genotype-stratified study characterises hypertrophic cardiomyopathy in Maine Coon cats carrying MYBPC3-A31P

A bioRxiv preprint examines how heterozygosity or homozygosity for the MYBPC3 p.A31P variant shapes the severity and phenotype of hypertrophic cardiomyopathy in Maine Coon cats, reinforcing their value as a large-animal model for the human condition.

2026-08-20 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint reports mutation-agnostic gene insertion strategy for rhodopsin-linked retinitis pigmentosa

A bioRxiv preprint describes a zinc finger nuclease approach that inserts a functional rhodopsin gene copy regardless of which of nearly 100 pathogenic RHO variants a patient carries, aiming to circumvent the mutational heterogeneity that limits variant-specific therapies.

2026-07-18 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Long-read sequencing uncovers two independent pathogenic variants co-segregating in a consanguineous Pakistani family

A preprint reports that dizygotic twins in a consanguineous family carry both a novel EPS8 variant linked to hearing loss and an HPDL variant associated with neurodevelopmental disorder, illustrating how multilocus pathogenic variation can produce complex overlapping phenotypes.

2026-07-15 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Oncologists

Preprint maps functional impact of 1,456 ARID1B variants linked to neurodevelopmental disorders and cancer

A preprint using structural modelling across more than one million genomes classifies over 600 ARID1B missense variants as damaging to protein interactions or stability, offering a resource for interpreting the large majority of variants that currently lack clinical classification.

2026-06-21 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

MAGI preprint proposes mechanistic variant annotation pipeline built on genomic transformer models

Researchers have posted a preprint describing MAGI, a computational method that uses genomic foundation models to generate mechanistic annotations of genetic variants — aiming to move beyond binary pathogenicity labels towards interpretable biological explanations.

2026-06-04 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)
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Preprint · not peer-reviewed Researchers · Genetic Counsellors · Educators

Preprint reports novel MGME1 variant causing mitochondrial DNA depletion syndrome in South Indian families

A bioRxiv preprint describes a homozygous missense variant in MGME1 — a nuclear-encoded gene essential for mitochondrial DNA maintenance — identified in five affected individuals from unrelated South Indian families presenting with multi-systemic mitochondrial disease.

2026-05-21 · 1 source · bioRxiv (Cold Spring Harbor Laboratory)

About Genetic Current

Educational summaries of public genetics news

Genetic Current is the news section of Evagene, an academic, research, and educational pedigree-modelling platform. Stories are AI-drafted summaries of items from trusted public sources, written for researchers, clinicians, educators, students, genealogists, and patients with an interest in genetics. Summaries are for educational and research purposes only and are not medical advice.

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