Cell Biology

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RNA Molecules Govern Battle Between Cholera Bacteria and Phages

Viruses need hosts. Whether it's measles, the flu or coronavirus, viral pathogens cannot multiply or infect other organisms without the assistance of their hosts' cellular infrastructure.

5 Apr 2024

Embryonic Cells Pressed into Organizers: Mechanism Unveiled

A collaboration between research groups at the University of California, TU Dresden in Germany and Cedars-Sinai Guerin Children's in Los Angeles has identified a mechanism by which embryonic cells organize themselves to send signals to surrounding cells, telling them where to go and what to do.

4 Apr 2024

New Platform Reveals Individual Sensitivity to Disease-Causing Mutations

In humans, the exact same mutation in a specific gene can produce widely different outcomes. It's a bit like adding the same amount of salt to different recipes-;the effect on the finished dish can be quite different, depending on the mix of other ingredients.

4 Apr 2024

Researchers Uncover the FACT-ETS-1 Antiviral Response Pathway

By focusing on a poxvirus protein, a team led by UT Southwestern Medical Center scientists has discovered an antiviral immune pathway that broadly fights a wide variety of viruses.

4 Apr 2024

Unveiling the Diversity and Evolutionary Dynamics of Centromeres Across Primates

A genomic study of human and selected nonhuman primate centromeres has revealed their unimaginable diversity and speed of evolutionary change.

4 Apr 2024

New Tool Predicts How Proteins Interact with RNA Structures

Scientists at the Italian Institute of Technology and Aarhus University have figured out how specific proteins can bind to G-quadruplexes, which are unique RNA structures.

4 Apr 2024

Unveiling the Mysterious Role of 'Zombie Neurons' in Cerebellar Learning

Nestled at the back of your head, the cerebellum is a brain structure that plays a pivotal role in how we learn, adapting our actions based on past experiences.

3 Apr 2024

Study Reveals Early Development of Circadian Rhythms in Infant Gut Microbiomes

Infant gut microbiomes oscillate with a circadian rhythm, even when they are cultivated outside of the body.

3 Apr 2024

High-Resolution Map Tracks Cellular Changes During Inflammation

Cells within the intestines fulfill diverse functions, including nutrient absorption, sensing, and regulating homeostasis. Gut inflammation is a characteristic that sets certain chronic disorders apart.

3 Apr 2024

Unraveling the Mysteries of Neuronal Communication Circuits

The basic building blocks of the central nervous system are neurons, or nerve cells, which play a crucial role in signal transduction pathways.

3 Apr 2024

Acidic Fortress of Tumors Could Rebuff Immune Cells

Cancer cells release a significantly more concentrated level of acid than previously known, forming an "acid wall" that could deter immune cells from attacking tumors, UT Southwestern Medical Center scientists show in a new study.

2 Apr 2024

Study may Provide a Roadmap for Addressing Cytokine Storms in Severe COVID-19

A recent USC study provides new information about why SARS-CoV-2, the virus behind the COVID-19 pandemic, may elicit mild symptoms at first but then, for a subset of patients, turn potentially fatal a week or so after infection.

1 Apr 2024

Scientists Create Lifelike Human Ear Replica with 3D Printing

Using state-of-the-art tissue engineering techniques and a 3D printer, researchers at Weill Cornell Medicine and Cornell Engineering have assembled a replica of an adult human ear that looks and feels natural.

1 Apr 2024

Study Reveals Insights into Evolution of Regulatory Proteins

New research from the University of Wisconsin–Madison decodes the evolutionary pathway of regulatory proteins, the molecules that help control gene expression.

1 Apr 2024

Key Insights into LAR-RPTP's Synaptic Regulation via Microexon Molecular Codes

The Synapse Diversity and Specificity Regulation Research Team (Director: Jaewon Ko) at DGIST (President Kunwoo Lee) reported on Tuesday the 27th that they have profiled the molecular code that constitutes brain neural circuits and discovered that it regulates specific excitatory synapse characteristics that contribute to memory of new object locations.

30 Mar 2024

UC San Diego Scientists Uncover Mechanism Behind Mitosis Timing

Each day, hundreds of billions of cells in our body cycle through a period of growth and division. Yet in that time, only about 30 minutes is spent on the critical orchestration of mitosis, when chromosomes are carefully segregated from one parent cell to the next generation of two daughter cells.

30 Mar 2024

Chickadees' Brain Activity Reveals Unique Memory Barcodes

Your ability to remember and recall moments in time is important for recording life-defining moments and everyday information like where you parked the car.

30 Mar 2024

Tight Junctions Crucial for Cells to Resist Mechanical Stress

Our body consists of ~30 trillion cells. These cells need to tightly attach to each other to maintain the integrity of our body.

29 Mar 2024

Scientists Pioneer mRNA Approach to Target Alzheimer's Protein

Scientists at The Florey have developed an mRNA technology approach to target the toxic protein tau, which builds up in patients with Alzheimer's disease and other dementias.

29 Mar 2024

Penn Researchers Develop Breakthrough Technique for Creating Human Artificial Chromosomes

Human artificial chromosomes (HACs) capable of working within human cells could power advanced gene therapies, including those addressing some cancers, along with many laboratory applications, though serious technical obstacles have hindered their development.

28 Mar 2024