Articles tagged with Cell Responses
A new MSU study links a malfunctioning gene to the loss of vital immune cells, which may prevent ankylosing spondylitis. The findings put researchers closer to uncovering the role of this gene in the disease.
Bioengineering professor TK Kozai is developing in vivo imaging technology to investigate the role of oligodendrocytes and oligodendrocyte progenitor cells in chronic brain implant degradation. This research aims to identify targets for intervention strategies to improve device performance.
Researchers found that mitochondrial DNA in exosomes triggers an antiviral genetic program, protecting against viral infection. Exosomes produced by T lymphocytes are taken up by dendritic cells via intercellular contacts and trigger alterations in gene expression.
Researchers discovered that sharks' electrosensing organs react in an all-or-none manner to tiny electrical fields, unlike skates which respond with graded currents. The study suggests that genes controlling ion channels may be responsible for this difference.
Researchers identify two brain nuclei that send signals to opposite areas of the brain, sparking timid or bold responses. Stimulating these nuclei can shift a mouse's behavior from freezing to standing its ground, offering insights into treating anxiety disorders.
A new diagnostic technique has been successfully tested at the University of Bradford, allowing for the isolation of responses from S-cone photoreceptors. This breakthrough could help in the diagnosis of diseases such as Types 1 and 2 diabetes, glaucoma, and high blood pressure.
Researchers discovered a new mechanism by which live vaccines induce immunity through TLR8 recognition. This triggers protective immune responses and improves vaccine safety and efficacy. The study's findings have the potential to develop new vaccines combining the benefits of live and modern subunit vaccines.
Researchers have discovered that cells' G protein-coupled receptor signaling systems can pass more than 2 bits of information per interaction with external stimuli, exceeding previous estimates. This finding has crucial implications for biology and drug discovery, particularly in the development of novel anti-cancer agents.
Researchers used a unique approach combining cell culture studies with mathematical modeling to determine how heterogeneity within a tumor and surrounding environment affect responses to targeted therapies. The study suggests that using a combination of drug inhibitors may be necessary to target diverse tumor cells.
A team of computational biologists developed an algorithm to integrate multiple sequencing datasets at single-cell resolution. This approach enables the comparison of single-cell datasets and dissects differences between them.
Scientists have identified a complex signal chain involving the auxin hormone and calcium channels in plant cells. Calcium waves are used to communicate local auxin signals over long distances, influencing root architecture and differentiation processes.
Researchers discovered a crucial link between virus sensing and gene expression in plant immune systems. The Rx1-Glk1 connection enables plants to regulate their antiviral responses without overdoing it.
A new machine learning algorithm, SWING, has been developed to uncover the underlying biological networks within cells by analyzing time-series data. This allows researchers to understand how cells make decisions and respond to stimuli, which can lead to strategies for intervening in diseases like cancer.
A KAIST research team developed technology to identify the optimal drug target for cancer cells based on molecular network dynamics. This approach uses systems biology to analyze genetic mutations and predict drug response, which could lead to more effective treatment strategies.
A new study explores how Arctic sea-ice decline affects Eurasian circulation, revealing a link between the two. The research uses SVD analysis to quantify model uncertainties and find that a larger pan-Arctic sea-ice decline weakens the polar cell, leading to anomalous sinking motion in Eurasia.
Researchers found that dying cell DNA stimulates an ancient antiviral program in immune cells, leading to inflammation and heart dysfunction. Blocking this response improves survival rates in mice, suggesting a new potential therapeutic opportunity for preventing heart failure.
A new study published in the American Journal of Respiratory and Critical Care Medicine found that e-cigarettes trigger both unique and familiar immune responses in the lungs. Researchers compared sputum samples from e-cigarette users, cigarette smokers, and non-smokers, revealing significant increases in inflammatory biomarkers, oxida...
International experts have identified a new protein called ZATT that can directly clean DNA breaks without degradation, allowing for more efficient repair and potentially increasing chemotherapy sensitivity. This breakthrough has the potential to improve treatment outcomes and enable personalized therapies.
UC Davis researcher Sean Collins receives $1.5M NIH award to develop smart immune cells that can control their recruitment and response to tumors without amplifying attack signals, reducing potential side effects. The goal is to create targeted therapies with controlled responses.
Mice exposed to scents before and shortly after birth show increased responses in specific neurons to various odors. The study demonstrates how early experience shapes the brain's processing of smell, with mice exposed to scented diets displaying heightened mitral cell responses to all presented odors.
Researchers found that neurons at mucosal tissues can detect an infection and prompt immune cells to produce a substance that acts like adrenaline, rapidly activating a protective response. This discovery highlights the important role of peripheral nervous cells in mounting immune responses and preserving health.
A new study discovered a sugar 'warehouse' in dendritic cells that fuels immune responses, providing a novel regulatory target to regulate immune activity. Enhancing or depleting this sugar warehouse could influence or dampen immune reactions.
Aging individuals with implants face unique challenges due to immunosenescence and delayed immune responses. The study investigates the impact of aging on macrophage activity and white blood cell function, seeking ways to optimize implant success and minimize negative effects.
Researchers developed CRY2clust to trigger protein cluster formation in response to blue light, outperforming existing methods with a faster response rate and higher sensitivity.
Research reveals mast cells can contribute to severe dengue disease by increasing vasculature permeability, providing insights into pathogenesis and potential treatments. Mast cell activation mechanisms also affect local immune responses during dengue transmission.
Researchers at Caltech have discovered that sour-sensing taste cells play a crucial role in detecting water on the tongue. The study found that these cells are responsible for sensing water through a pathway also used for basic tastes, such as salt and sugar. This finding challenges current understanding of how mammals detect water.
A study at Lund University reveals individual neurons can learn precise timed intervals, expanding the brain's learning capabilities and potential applications in AI research. This breakthrough may also shed light on autism, ADHD, and language disorders in children.
Researchers found chemokines can activate chemokine receptors in different ways, leading to varying responses and chronic inflammation. This discovery may lead to the development of anti-inflammatory drugs targeting specific molecules.
A team of MIT researchers has designed a breathable workout suit with ventilating flaps lined with live microbial cells, which can be engineered to sense and respond to humidity. The suit effectively removes sweat from the body and lowers skin temperature, providing a cooling sensation.
Researchers found that chronic pain distorts the intensity of pain perception in other body parts by rewiring circuits in the anterior cingulate cortex. This causes a greater reaction to painful stimuli throughout the body, with far-reaching consequences for mental health and disease treatment.
A comprehensive review examines the role of type I interferon in controlling herpes simplex virus type 1 infection. The study reveals that newborns are more susceptible to HSV-1 infection, which can lead to serious and potentially life-threatening diseases like herpes simplex encephalitis.
Research at Osaka University reveals the complex network of cytokine control that prevents multi-organ damage during T. cruzi infection. BATF2 protein normally suppresses excessive IL-17 response, preventing immunopathology in Chagas disease parasite infection.
Aging impairs immune performance by breaking down cell coordination and increasing gene expression variability. Single-cell sequencing reveals the impact on CD4+ T cells, with older tissues showing less coordinated responses.
A UCLA study has identified a small cluster of brain cells that malfunction in Parkinson's disease, Huntington's disease, and Tourette syndrome. These support cells play a crucial role in encoding Pavlovian response and may hold the key to diagnosing and treating these disorders.
Researchers found that bacterial infections have vastly different outcomes depending on oxygen levels in the body. Exposure to low oxygen before infection may protect against illness without compromising immunity.
Researchers have discovered a signaling pathway in cardiac tissue that helps control inflammatory responses after a heart attack. Activating the Hippo pathway leads to the recruitment of T regulatory cells, which reduce inflammation and promote tissue healing in mice with heart injury.
Researchers used a new mouse model to study how the Ebola virus affects the immune system, focusing on cellular signaling events. They found that macrophages play a critical role in controlling EBOV infection by producing MAVS, which helps limit organ damage and promotes type I interferon production.
Researchers at University of California San Diego School of Medicine found that one session of moderate exercise can stimulate the immune system, producing an anti-inflammatory cellular response. This benefits individuals with chronic inflammatory diseases such as arthritis, fibromyalgia, and obesity.
New research reveals that type I interferons impair the humoral response to chronic viral infections, such as HCV and HIV. The study suggests that blocking B cell IFN-I receptors can restore antigen-specific responses, providing a potential therapeutic approach.
Researchers at Cornell University have created a modular immune organoid that can replicate the anatomical structures found within lymph nodes. The 3-D organoid enables quicker and more plentiful replication of B cells, which are antibody-producing lymphocytes.
Researchers found that certain human gut bacteria must be lost for a diet to be successful. A new approach identifies the organisms that help promote beneficial effects of a particular diet in humans.
A study published in Cell Reports found that glioblastoma cells with different resistance levels to therapy and radiation are linked to disease outcomes. Researchers identified a continuum of cells with varying resistance levels, which may enable the development of targeted therapies.
A study published in Cell Reports reveals that the BCG vaccine's broad-spectrum effects could be mediated by metabolic and epigenetic changes in monocytes, leading to trained immunity. This discovery could pave the way for new therapeutic approaches to boost vaccine effectiveness.
A new algorithm developed by a UT professor helps online volunteers prioritize grid cells in disaster response, focusing on areas with high population density and road networks. This enables response teams to make more informed decisions and respond more efficiently to the most urgent needs.
When we eat fatty foods, our body's response is coordinated between digestive organs, nervous system, and gut microbes. Intestinal cells undergo interior remodeling in response to fat influx, including changes in nuclear shape and gene activation.
A team of researchers at Tokyo Medical and Dental University has identified a molecule called CD72 that prevents the immune system from mistakenly reacting to a component of the body's own cells. This breakthrough could lead to new treatments for systemic lupus erythematosus (SLE), a disease associated with inflammation of various organs.
Researchers have identified a critical survival mechanism that allows animals to quickly respond to and escape from noxious thermal landscapes. The study found that thermosensory neurons in the brain are responsible for sensing the rate of temperature change, with a fast response triggered by rapid increases in temperature.
The VesiVax system uses virus-like particles to induce strong immune responses against various diseases. Dr. Qizhi Cathy Yao is developing better adjuvants for pancreatic cancer and Chagas disease using the system.
A team of scientists at UMass Medical School identified a long non-coding RNA called lincRNA-EPS, which regulates innate immunity and prevents inflammation. In mice lacking this RNA, inflammatory responses were increased, leading to toxic shock.
A recent study published in Nature Medicine investigated the genetic control of immune cell responses to pathogens. Researchers found that cytokine production varied significantly between individuals and was influenced by six genomic regions. The study's findings suggest that genetic markers may predict infection risk, leading to new t...
Scientists have developed a new vaccine that stimulates both innate and adaptive immune responses, allowing the body to remember and attack cancer cells. The treatment, called aAVC, uses modified foreign cells that promote the maturation of dendritic cells, key coordinators of the immune response.
Scientists discovered that regulatory T cells, which calm inflammatory responses, migrate into the gut lining and convert into anti-inflammatory CD4+ cells. The presence of microbes is necessary for this conversion.
Researchers found that a specific type of calcium-based signal regulates the production of immune cells that drive and ramp down the body's massive reaction to invading organisms. The study suggests that fine-tuning calcium signals may enhance immune responses to influenza vaccines and treat chronic inflammatory and autoimmune diseases.
Researchers have identified a key protein in Zika virus that blocks the action of interferons in human cells, making humans more susceptible to infection. This discovery could lead to new therapeutic approaches and vaccine development by blocking the activity of this protein.
A research team at the University of Tsukuba identified a crucial role for spleen marginal zone B lymphocytes in exacerbating endotoxin shock through cytokine production. MZ B cells produce large quantities of IL-6 and other inflammatory chemokines in response to LPS, highlighting their strong pro-inflammatory role.
A new study reveals that breast milk immunoglobulin G (IgG) antibodies play a critical role in helping newborn mice tolerate beneficial gut microbes. This finding challenges previous research suggesting IgA antibodies are primarily responsible for teaching the neonatal immune system to tolerate gut microbes.
Monash University researchers have discovered a new mechanism that enables plants to regulate their flowering in response to raised temperatures. The finding could lead to the development of technology allowing us to control plant physiological responses and mitigate warming impacts.
A new study found that HIV-infected individuals have impaired affinity maturation of memory B cells, resulting in low frequencies of somatic hypermutation and poor HIV-neutralizing capacity. This immune dysfunction contributes to the ineffective antibody response against HIV.
A high viral load is associated with a dampened inflammatory response in innate immune cells from HIV-infected individuals. Epigenetic modifications at the TNFα gene locus are observed in monocytes of patients with high virus levels.
Researchers at NIH discovered that neurons in the eye use mathematical processing to distinguish moving objects, amplifying signals through multiplicative scaling. This process may help cells determine object speed and direction.