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Scientists discover potential cause of an enigmatic vascular disease primarily impacting women

Researchers identified changes in the UBR4 gene as a key driver of fibromuscular dysplasia, a blood vessel disorder affecting up to five percent of adults. The discovery could lead to therapeutic approaches for the condition, particularly beneficial for women who account for 90% of cases.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNature Cardiovascular Research·TypeExperimental study·DateSep 13, 2024

The targeting of WNT5B and WNT10B in osteosarcoma

Researchers identify key genes involved in osteoblast differentiation, finding positive correlations between WNT10B and these genes, and inverse correlations with WNT5B. The study hypothesizes that the use of WNT activators or inhibitors depends on whether canonical or non-canonical pathways are activated.

SourceImpact Journals LLC·JournalOncotarget·TypeNews article·DateSep 4, 2024

How gene regulation changes over a lifetime

Researchers found that control of most genes doesn't deteriorate with age, but coordination between cellular processes becomes less effective. The study suggests a more complex approach to understanding aging is needed, analyzing all genes simultaneously and their protein interactions.

SourceUniversity of Cologne·JournalNature Aging·TypeComputational simulation/modeling·DateSep 3, 2024

How cells control gene expression by cleaning up their mistakes

Cells produce three times as many 'unproductive' transcripts with mistakes or unexpected configurations as they do steady-state, finished RNA. These unproductive transcripts are quickly destroyed by a cellular process called nonsense-mediated decay (NMD), which suggests the cell intentionally makes mistakes to regulate gene expression....

SourceUniversity of Chicago·JournalNature Genetics·TypeData/statistical analysis·DateSep 2, 2024

Hunt for herbicide solution in snap bean reveals master switch for stress resistance

A new study reveals that snap bean germplasm has a master switch controlling multiple stress tolerance genes, offering a potential solution to waterhemp and other herbicides. The genomic region responsible for this tolerance acts like an on-and-off switch, with higher expression of certain enzymes and antioxidants in tolerant plants.

'Gene misbehavior' widespread in healthy people

A recent study found that 'gene misbehaviour' is a common phenomenon in the healthy human population, with over half of inactive genes showing misexpression. The researchers used advanced techniques to analyze blood samples from 4,568 healthy individuals and identified mechanisms behind these gene activity errors.

SourceWellcome Trust Sanger Institute·JournalAmerican Journal of Human Genetics·TypeObservational study·DateJul 24, 2024

Research shows how RNA 'junk' controls our genes

Researchers at Arizona State University created a detailed map of the 3'UTR regions of RNA in C. elegans, revealing crucial elements for gene regulation and protein production. The study provides valuable insights into the machinery of gene control, shedding light on fundamental biological processes essential to human health and disease.

SourceArizona State University·JournalNucleic Acids Research·TypeExperimental study·DateJul 2, 2024

Study identifies gene targets to combat cognitive decline

Researchers identified changes in gene activity underlying cognitive decline in older nematode C. elegans, providing evidence for neuroprotective genes that may preserve cognition later in life. Reducing expression of certain genes improved memory performance in aged animals.

SourceeLife·JournaleLife·DateJun 25, 2024

The genetic “switches” of bone growth

Researchers at UNIGE have identified 2700 genetic enhancers that regulate genes responsible for bone growth, providing insights into adult height and potential causes of bone diseases. The study suggests that variations in these enhancers could explain differences in human size and potentially contribute to developmental pathologies.

SourceUniversité de Genève·JournalNature Communications·TypeNews article·DateJun 14, 2024

Sequencing of the developing human brain uncovers hundreds of thousands of new gene transcripts

A recent study has cataloged gene-isoform variation in the developing human brain, providing crucial insights into neurodevelopmental and psychiatric disorders. The research found thousands of isoform switches that occur during brain development, implicating previously uncharacterized RNA-binding proteins.

SourceUniversity of California - Los Angeles Health Sciences·JournalScience·TypeImaging analysis·DateMay 23, 2024

New resource pinpoints inner workings of sorghum plant cells

A new resource has been created to provide a deeper understanding of the bioenergy crop sorghum and its potential for genetic modification. The study identified gene expression patterns in sorghum stem cells, which can help researchers design cell-type specific promoters for targeted gene expression.

Mimicking infection in pregnant mice provokes persistent changes in juvenile brains

Researchers at Harvard University have identified a specific cell type in the mouse embryonic brain that responds to an immune response in the mother, altering gene regulation and persisting in juvenile mice. This study provides new insights into how maternal immune responses might influence brain development in embryos, potentially sh...

SourceThe Company of Biologists·JournalDevelopment·TypeExperimental study·DateMay 22, 2024

Study explores role of epigenetics, environment in differing Alzheimer’s risk between Black and white communities

A study from North Carolina State University found that environmentally caused alterations in the genome may contribute to Alzheimer's disease risk, particularly in Black people. The research identified stable epigenetic features that distinguish Alzheimer's brains from those without the disease.

SourceNorth Carolina State University·JournalClinical Epigenetics·TypeData/statistical analysis·DateMay 14, 2024