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Clinical genetics news

Sex differences in brain gene activity could explain why some disorders affect men and women differently

The physical differences between men and women are all too obvious, but the biological divide goes right down to the cellular level in the brain, according to a new study published in the journal Science.

Waves of gene control reveal how a key gene times limb development

In a new study published in Genes & Development, research led by Dr. Lila Allou at the MRC Laboratory of Medical Sciences (LMS) in London and Professor Stefan Mundlos at the Max Planck Institute for Molecular Genetics and ...

Epilepsy gene implicated in severe migraine disorder

Investigators led by Northwestern Medicine scientists have identified mutations in a gene coding for a key ion channel in the brain as a new cause of a debilitating form of migraine, according to a study published in Brain. ...

Lab-grown mini-brains shed light on childhood epilepsy

Why does the same genetic mutation cause a severe brain malformation in some patients but not in others? Researchers from the MOSAIC team at the Paris Brain Institute have developed mosaic human cortical organoids carrying ...

Genetic atlas reveals how human liver cells divide their labor

If scientists could shrink themselves to microscopic size and take a journey through the human body—like the submarine crew in the 1966 science fiction classic "Fantastic Voyage"—one of their first stops would no doubt be ...

How childhood dementia begins in brain cells

An Australian-led international research collaboration has delivered a promising breakthrough in the quest to better understand and treat childhood dementia. Recently published in the journal Nature Communications, the study ...

New approach could transform epilepsy treatment

University of Virginia School of Medicine researchers have used an advanced gene-editing technique to correct the underlying cause of a severe form of epilepsy in lab mice. This breakthrough could one day lead to new treatments ...

How does mitochondrial DNA influence human health?

Some of your most important life partners are the mitochondria that power all your cells. You and these little cellular powerhouses are in a 1.5-billion-year-old evolutionary relationship—but mitochondria brought some baggage. ...

Study identifies genetic drivers of resistant hypertension

Cedars-Sinai investigators have identified distinct genetic variants associated with resistant hypertension, a type of high blood pressure that remains uncontrolled despite medication. Their findings, published in the journal ...

Rare MGRN1 gene variant tied to fetal heart malformations

The Human Genetics Research Group of the University of Tartu Faculty of Medicine has identified a gene whose defect may cause congenital heart malformations in the fetus. The MGRN1 gene has not previously been associated ...