Cell Biology

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New Insights into How B Cells Strategically Clone High-Affinity Antibodies

A vaccine's ability to generate long-lasting, high-affinity antibodies hinges on a delicate balance. Upon exposure to a vaccine or pathogen, B cells scramble to refine their defenses, rapidly mutating in hopes of generating the most effective antibodies.

20 Mar 2025

Scientists Reveal Brain Activity Dynamics During Male Sexual Behavior

To uncover what drives sexual behavior in animals, researchers studied the brain activity of male mice throughout the series of actions involved in sex leading up to ejaculation.

20 Mar 2025

Bioengineering a Luminous Biosensor for Aberrant DNA Detection

Cells contain a DNA sensor called cGAS, which alerts the immune system to viral and bacterial infections, cell death, and cancer-related transformations.

20 Mar 2025

Advanced Imaging Deciphers B Cell Dynamics in Lymph Nodes

Germinal centers are machines of rapid evolution. Germinal centers are tiny clusters in the lymph nodes that refine antibodies through proliferation and mutation to create high-affinity B cells that are suited to control various infections.

20 Mar 2025

Early Embryo Development May Be the Foundation for Lifelong Health

Researchers at the University of Adelaide have found that the initial stages of embryo development significantly influence an individual's future health and aging.

19 Mar 2025

AI Revolutionizes Cell Analysis for Personalized Cancer Treatment

A groundbreaking artificial intelligence (AI)-driven neural network has been developed to swiftly analyze and interpret millions of cells from patient samples, enabling predictions of molecular alterations within tissues.

19 Mar 2025

Mechanical Forces Determine the Winners in Cell Competition

Trial of strength at the cellular level: cells are in constant competition with each other and so eliminate diseased or unwanted cells.

18 Mar 2025

Calcium-Mediated Electrical Communication in Epithelial Cells

For a long time, it was believed that only nerve and heart cells utilized electrical impulses for communication, while epithelial cells which form the linings of human skin, organs, and body cavities were considered silent, primarily acting as protective barriers that absorb and secrete various substances.

18 Mar 2025

New Insights into RNA Editing Mechanisms for Autoimmune and Cancer Therapies

A research team led by Yang Gao from Rice University has made significant strides in understanding the molecular mechanisms of ADAR1, a protein that modulates ribonucleic acid (RNA) induced immune responses.

18 Mar 2025

Understanding How Tumor-Derived Extracellular Vesicles Enter Target Cells

Most cells in the body send out little messengers called extracellular vesicles that carry proteins, lipids, and other bioactive molecules to other cells, playing an important role in intercellular communication.

17 Mar 2025

Ultrasensitive Pathogen Detection Without Nucleic Acid Amplification

Rashid Bashir, a Bioengineering Professor and Dean of the Grainger College of Engineering oversaw a group of researchers in a project that produced new technology that provides quick, extremely sensitive detection of bacteria and other pathogens at low concentrations that are resistant to multiple drugs.

17 Mar 2025

New Tool for Microscopic Temperature Mapping

At the cellular level, temperature is a crucial factor that affects innumerable biological processes. It is still difficult to measure temperatures inside living cells precisely, though.

17 Mar 2025

Spotiphy Revolutionizes Spatial Transcriptomics with AI for Single-Cell Resolution

Spatial transcriptomics is a cutting-edge technique that characterizes gene expression within sections of tissue, such as heart, skin or liver tissue.

14 Mar 2025

Mitochondria Found to Control DNA Repair Protein and Delay Inflammaging

In humans and other multicellular organisms, cells multiply. This defining feature allows embryos to grow into adulthood, and enables the healing of the many bumps, bruises and scrapes along the way.

14 Mar 2025

Pig Retinal Organoids Offer Promising Model for Stem Cell-Based Vision Therapies

Inside the human eye, the retina is made up of several types of cells, including the light-sensing photoreceptors that initiate the cascade of events that lead to vision.

14 Mar 2025

New Technique Converts Skin Cells into Motor Neurons

Converting one type of cell to another - for example, a skin cell to a neuron - can be done through a process that requires the skin cell to be induced into a "pluripotent" stem cell, then differentiated into a neuron.

14 Mar 2025

Extrachromosomal DNA Discovered as a Hidden Factor in Pancreatic Cancer Survival

Pancreatic cancer is one of the deadliest cancers worldwide, with a five-year survival rate of 13%.

14 Mar 2025

Bispecific antibodies for SARS-CoV-2 variant neutralization

Bispecific antibodies targeting multiple SARS-CoV-2 sites offer enhanced neutralization against emerging variants, advancing COVID-19 treatment strategies.

14 Mar 2025

SRS Microscopy Unlocks New Insights into Cellular Metabolism and Disease

Cellular metabolism plays a critical role in various physiological and pathological processes. High resolution imaging of intracellular metabolic activities is crucial for understanding many biological pathways, and for facilitating disease prognosis and treatment assessment.

14 Mar 2025

Modeling Genetic Disruptions in Heart Development

In the process of heart development, cells move around and interact with one another to establish their positions, with significant implications: pairing with an incorrect cell can determine whether the heart functions properly or not.

13 Mar 2025