Scientists from the CNRS are part of a research team that has found that epigenetic changes, or modifications that affect the regulation of gene expression, can be the sole cause of cancer, one of the world's leading causes of death.

25 Apr 2024

Largest Plant DNA Study Ever Unveils Flowering Plant Tree of Life

The most up-to-date understanding of the flowering plant tree of life is presented in a new study published today in the journal Nature by an international team of 279 scientists, including three University of Michigan biologists.

25 Apr 2024

Immune System's Standby Mode: Healthy Tissue Keeps Defenses Ready

When pathogens invade the body, the immune system must react immediately to prevent or contain an infection.

25 Apr 2024

Ancient Gene Holds Key to Mammalian Gliding

People say "When pigs fly" to describe the impossible. But even if most mammals are landlubbers, the ability to glide or fly has evolved again and again during mammalian evolution, in species ranging from bats to flying squirrels.

25 Apr 2024

Using State-of-the Art Imaging to Understand Lipid Dysfunction in Alzheimer's

Alzheimer's disease causes significant problems with memory, thinking and behavior and is the most common form of dementia, affecting more than 50 million people around the world each year.

24 Apr 2024

Small RNA-Binding Protein Promotes Prime Editing Efficiency

Through years of engineering gene-editing systems, researchers have developed a suite of tools that enable the modification of genomes in living cells, akin to 'genome surgery'.

23 Apr 2024

First Comprehensive Map of Protein Movement in Yeast Cell Cycle Revealed

An international team led by researchers at the University of Toronto has mapped the movement of proteins encoded by the yeast genome throughout its cell cycle.

23 Apr 2024

Study Uncovers Cells' Surprising Strategy to Control Signaling Pathways

Healthy cells respond appropriately to changes in their environment. They do this by sensing what's happening outside and relaying a command to the precise biomolecule in the precise domain that can carry out the necessary response.

23 Apr 2024

Revealing the Genetic Mechanisms Driving SARS-CoV-2 Variants

The SARS-CoV-2 virus, responsible for COVID-19, exhibits a troubling tendency to produce variants frequently.

23 Apr 2024

The Potential Impact of CRISPR-Cas9 Gene Editing on Controlling Chagas Disease

The principal vector of Chagas disease, a serious public health hazard in Central and South America as well as the southern United States, is kissing bugs, also known as triatomine bugs.

23 Apr 2024

Study Uncovers Rare Fosa Predation Events on Critically Endangered Lemurs

What can be done when one threatened animal kills another? Scientists studying critically endangered lemurs in Madagascar confronted this difficult reality when they witnessed attacks on lemurs by another vulnerable species, a carnivore called a fosa.

22 Apr 2024

Researchers Highlight Crucial Contributions of Astrocytes to Mental Health

The health and function of the brain depend on astrocytes, which are essential cells in the central nervous system. According to recent research, they affect behaviors and higher cognitive functions by controlling local neuronal activity.

22 Apr 2024

Researchers Identify Link Between Mitochondrial Depletion and Protein Build-Up in Neurons

Researchers from Tokyo Metropolitan University have identified how proteins collect abnormally in neurons, a feature of neurodegenerative diseases like Alzheimer's.

22 Apr 2024

Enhancing Drug Discovery Through Automated Protein Labeling

Exact protein observation in cells is crucial for many scientific fields, but it has proven to be a difficult technical task, particularly in living cells where each protein needs to have its fluorescent label applied separately.

22 Apr 2024

Protein TRBP's Regulatory Role in Immune Response to Viral Infections Uncovered

Researchers have revealed the regulatory mechanism of a specific protein that plays a key role in balancing the immune response triggered by viral infections in mammal cells.

22 Apr 2024

Soil Bacteria Use Umbrella Toxins to Fight Back

Scientists have found that soil bacteria called Streptomyces secrete toxic protein particles in the shape of umbrellas that are meant to suppress competitors, particularly those that belong to their species.

18 Apr 2024

The Genetic Secret Behind Human Skull Morphology

Researchers at the Universities of Helsinki, Barcelona, and Tokyo Medical and Dental University (TMDU) have discovered a single nucleotide alteration that is crucial to the evolution of human skull morphology and influences the expression of the TBX1 gene and the formation of the skull base.

18 Apr 2024

U of T Scientists Make Breakthrough Discovery in DNA Repair Mechanism

Researchers at the University of Toronto have discovered a DNA repair mechanism that advances understanding of how human cells stay healthy, and which could lead to new treatments for cancer and premature aging.

18 Apr 2024

Understanding How the Human Forebrain Develops at the Cellular Level

A group of researchers at University of California San Diego School of Medicine led an investigation that offers new insight into the development of the human forebrain.

17 Apr 2024

Placenta's Role in Gestational Diabetes Revealed

A recent study led by the Harvard Pilgrim Health Care Institute has discovered that a deficiency in placental expression of the gene insulin-like growth factor 1 (IGFBP1) and low circulating levels of IGFBP1 are linked to insulin resistance during pregnancy, indicating a potential risk factor for the onset of gestational diabetes.

17 Apr 2024