Articles tagged with Cell Responses
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study reveals that intra-tumoral injections of a plant virus-based immunotherapy could lead to groundbreaking therapy for both canine and human inflammatory breast cancer patients. The treatment generated potent local and systemic anti-tumor immune responses, improving quality of life and survival in treated dogs.
Researchers at Flinders University have developed a novel approach to modify nano-particles' surface chemistry to tailor the body's immune response. This technique shows promise for safer, more effective vaccines, drug delivery, and disease diagnostics and treatments.
Scientists from the Institute of Industrial Science have developed a theoretical model for optimal search strategy in biological systems, which may help design new drones or nanobots. The model uses stochastic optimal control theory to analyze chemotaxis, a process of attraction to chemical gradients.
Researchers at UC San Diego have made a groundbreaking discovery about the role of fibroblasts, or fat cells, in controlling bacteria and developing acne. These findings could lead to more targeted treatment options for acne, which affects up to 50 million Americans each year.
Researchers identified three KCTD proteins that modulate neurotransmitter activity, enabling fine-tuned movement. Their elimination enhances cAMP production and sensitivity to dopamine in neurons.
Scientists at Technical University of Munich discovered a promising combination therapy for mesenchymal PDAC subtype, showing improved T-cell infiltration and cell cycle arrest when using nintedanib with trametinib. The treatment significantly improves the response of highly aggressive mesenchymal PDAC subtypes in mice.
Researchers at TUM discover that intestinal bacteria interact with Paneth cells in the gut mucus layer, leading to chronic inflammation. This finding may lead to new treatments for IBD.
Researchers at RIKEN have developed a new retinal transplant technique by engineering human-derived retina sheets to lose bipolar cells, allowing better connections to host retinas and improved responses to light. The technique has shown substantial functional improvement in animal studies and is now poised for human clinical trials.
A new study reveals that the Omicron variant is sensitive to inhibition by the interferon response, an unspecific immune reaction present in all body cells. This provides the first explanation for why COVID-19 patients infected with Omicron are less likely to experience severe disease.
Researchers found that pig cells undergo apoptosis at a higher rate than human cells in response to SARS-CoV-2 infection, helping to limit viral replication and avoid severe illness. This discovery could lead to therapies designed to trigger apoptosis in human cells, reducing the severity of COVID-19 symptoms.
A study published in MBio found that removing the NS2 protein from Respiratory Syncytial Virus (RSV) allows the human body's immune response to destroy the virus before exaggerated inflammation begins. This discovery could lead to new therapeutics targeting this protein for other respiratory viruses like influenza A and SARS-CoV-2.
Northwestern University scientists have identified a key mechanism used by the Zika virus to evade the antiviral response of host cells. The study reveals how the virus suppresses interferon signaling to gain access to cells, providing a new target for antiviral therapeutics.
Researchers at Trinity College Dublin have identified a crucial protein, myeloid cell nuclear differentiation antigen (MNDA), that regulates type I interferon production in response to viral infections. This breakthrough discovery has significant implications for the development of new therapies to boost or suppress immune responses, p...
Researchers developed an injectable, adhesive surgical gel that prevents postoperative adhesions and improves wound healing. The gel, dubbed HAD, was tested in rats and rabbits with promising results, showing a significant reduction in inflammation and mortality rates.
A new study reveals that mRNA vaccines activate a type of helper cell called T follicular helper cells, which assist in creating powerful antibodies and drive the development of immune memory. This strong response helps prevent severe disease and death, even against highly mutated variants like omicron.
A University of California, Riverside study found that diet impacts taste sensitivity and food choice in fruit flies, using macronutrients like sugars and amino acids for survival. Flies adjusted their taste preferences based on dietary imbalances, influencing food choices to regain a balanced diet.
Researchers identified three prototypical RNA-expression states in pancreatic cancer cells and found that altering the tumor microenvironment can drive tumor cells to become more susceptible to certain drugs. This discovery opens up new possibilities for personalized medicine and targeting specific drug responses.
Researchers at the University of Oklahoma have discovered a new protein fragment that could improve cartilage regeneration and reduce the need for osteoarthritis treatments. The protein fragment, developed by Handan Acar and Amgad Haleem, aims to help the body heal itself by elicititing a response from stem cells.
Researchers discovered that pregnancy triggers the activation of Natural Killer T (NKT) cells to prevent breast cancer. After pregnancy, breast epithelial cells produce a specific protein called CD1d, which attracts NKT cells to monitor and eliminate potential cancer cells.
A recent study in mice has uncovered a protein called BMI-1 that gets turned on too early in B cells during chronic viral infection, resulting in low-quality antibodies. Targeting this protein can change the nature of the B cell to produce higher quality antibodies, potentially providing a new therapeutic pathway.
Antibodies that mimic the SARS-CoV-2 virus may explain lingering symptoms of long-haul COVID-19 and rare vaccine side effects like allergic reactions and blood-clotting. This theory, based on classic immunological concepts, suggests a cascade of immune responses that can lead to adverse effects.
Scientists discovered an important protective response in the heart that can prevent excessive scarring after a heart attack. The study found that this reactive response can limit cardiac fibrosis by preventing oxidant build-up in heart cells, potentially leading to new therapies to repair scarring damage.
A Johns Hopkins-led study found that leptin cancels out the effects of Tamoxifen, making it ineffective for obese patients with breast cancer. Researchers suggest that interventions targeting leptin or Med1 may improve Tamoxifen's success in this group.
Researchers developed a blood test that can detect prostate cancer patients who are resistant to chemotherapy drug docetaxel, enabling early detection and personalized treatment. The test analyzes circulating tumor cells in the bloodstream, revealing patterns that predict disease progression and survival.
Researchers at Mount Sinai have developed a diverse library of well-characterized human induced pluripotent stem cell lines from clinically healthy individuals, offering valuable resources for studying normal human biology, evaluating drug responses, and disease modeling.
Scientists from the University of Johannesburg found that shining two lasers on adult stem cells accelerates their transformation into different types of cells. The consecutive irradiation increases proliferation and differentiation under laboratory conditions, paving the way for potential therapies to repair damaged tissues.
Researchers will focus on understanding the disease, identifying B cell characteristics and plasma cells that create attacking antibodies. The study aims to enhance knowledge of SLE pathogenesis and differences in clinical manifestations, outcomes, and therapeutic responses.
The research team aims to understand the mechanisms that contribute to long-term consequences of COVID-19 infection, particularly in women who may be disproportionally affected by chronic symptoms. They plan to leverage a biorepository and longitudinal study to assess the impact of acute and chronic inflammation on brain injury and neu...
A new study from the University of Gothenburg introduces an AI-based method to develop faster, cheaper, and more reliable information about cells using microscopy. This approach eliminates the drawbacks of traditional fluorescence microscopy by providing accurate results without damaging cells or inhibiting processes.
Researchers analyzed the effects of small-molecule drugs on colorectal tumor cells, finding that treatment with Imipridones decreased certain cytokines and increased others. The study highlights the complexity of cytokine signaling and its potential as a biomarker for diagnosis and prognosis in colon cancer.
Researchers from FAU and MIT develop a microfluidic assay to study the mechanical performance of red blood cells under hypoxic conditions. The study reveals that cyclic hypoxia can lead to mechanical degradation of the red blood cell membrane, contributing to aging.
Researchers investigated antibody response to Pfizer-BioNTech vaccine in 117 allogeneic hematopoietic stem cell transplant recipients. The study aimed to assess vaccine safety and immune response in this population. Key findings were not reported in the article.
Researchers found that a family of proteins enhances the immune response to HIV, Ebola and Zika by boosting signals sent within immune cells. This discovery has implications for potential broad antiviral therapy.
Researchers at UC San Diego will use $6.4 million in NIH funding to study the influence of external signals on insulin production in beta cells. They aim to create a roadmap of genetic variations that can predict changes in insulin output, which may help prevent and treat diabetes.
Researchers analyzed plasma and single immune cells from nearly 200 COVID-19 patients and found metabolic changes associated with disease severity. The study's findings could lead to better therapies targeting immune-metabolic changes in severe disease cases.
A comprehensive review reveals how excessive fructose intake can disrupt metabolic pathways, leading to diseases such as diabetes, fatty liver disease, and heart disease. The study highlights the role of protein transporters, gluconeogenesis, and gene-level changes in regulating fructose metabolism.
Researchers at the University of Würzburg have found that innate lymphoid cells can specialize into killer cells that recognize and kill tumour cells. The study reveals a new transcription factor, Hobit, drives this specialization process.
Researchers at Karolinska Institutet discovered three different subtypes of mature fat cells in white adipose tissue, with only one subtype, Adipo PLIN, responding to insulin. The study suggests that changes in this specific subtype may contribute to metabolic diseases like Type 2 diabetes.
A new droplet digital PCR-based assay for HPV16 circulating tumor DNA was developed to predict treatment response in metastatic head and neck squamous cell carcinoma. Longitudinal changes of HPV16 ctDNA correlate with treatment response, allowing for early identification of treatment failure.
Scientists have discovered how neurotransmitters and proteins interact to trigger neuronal responses in the brain, with implications for understanding mood disorders and addictions. The study reveals small changes in protein connections control cellular responses, enabling precise regulation of neurotransmitter effects.
A recent study by Queen Mary University of London provides new insight into the mechanisms behind uncontrolled inflammation in COVID-19 patients. The research found that treatments increasing specialised pro-resolving mediators (SPM) production, such as dexamethasone, may play a key role in limiting disease severity.
Researchers found that patients who developed severe COVID-19 had a muted antiviral response in cells collected from nasal swabs at the time of diagnosis. This early response may determine the course of disease, opening up new avenues for interventions to prevent severe disease.
Researchers found that severe COVID-19 patients have muted interferon responses, leading to a failed early immune response. The study suggests that building on type I interferon may be key to developing treatments for severe COVID-19.
Researchers developed a tapered fiber optoacoustic emitter (TFOE) for non-genetic photoacoustic neural stimulation at the single cell level. The technology achieves high spatial resolution and optoacoustic conversion efficiency, allowing for precise control over neuron activity patterns.
A single dose of the Sputnik V vaccine elicits significant antibody responses against SARS-CoV-2, with 94% of participants developing IgG antibodies within three weeks. Previously infected individuals show higher antibody levels after one dose compared to fully vaccinated volunteers.
Researchers identified an internal communication network in mammals that regulates tissue repair and inflammation. Endogenous retroviruses control this dialogue, affecting the host immune system and antimicrobial defenses.
A new device at the University of Exeter allows for more precise sorting and analysis of individual human cells based on their response to stimuli. This innovation has the potential to improve personalized medicine by detecting which drugs are likely to work for specific patients, reducing unnecessary side effects.
A team of researchers at Texas A&M University used experimental cellular evolution to study how cells respond to controlled mechanical properties. They found that cellular mechanosensing is not optimal but a tradeoff, and that cells can evolve under selection pressure from biomaterials of controlled stiffness.
Adaptimmune Therapeutics plc reports initial data from its Phase 2 SPEARHEAD-1 trial showing a high response rate of 41.4% for patients with synovial sarcoma, including two complete responses and encouraging initial safety and durability. The trial's results support the company's BLA submission next year.
Researchers at UCLA have identified six signaling codons that specific immune cells use to call up immune defense genes. These codon-words can lead to incorrect gene activation and cause autoimmune diseases like Sjögren's syndrome, which is found when the body mistakenly attacks itself.
A new study found that a single dose of the Pfizer or Moderna mRNA vaccine can stimulate an immune response in people who have previously recovered from COVID-19. The vaccine's ability to generate antibodies and B cell responses was shown to be effective against the South African variant.
Recent discoveries have revealed a complex picture of plant defense, with responses to PRR receptor signaling and NLR signaling extensively overlapping. The two immune branches are now considered to be more intimately connected than previously thought, leading to a re-thought model of separate ETI and PTI pathways.
A team of researchers from Pompeu Fabra University has developed a new technology to print cellular devices on paper that can be used outside the laboratory. These devices can detect multiple markers and generate complex responses, making them useful for applications such as detecting mercury, cholera, or preeclampsia.
A phase 1 study found that a single dose of Ad26.COV2.S vaccine induced both antibody and cellular immune responses. The vaccine is currently being tested in two phase 3 clinical trials to determine its efficacy against COVID-19.
Researchers found that protective B cell responses remain stable over time, but do not recognize emerging SARS-CoV-2 variants from Brazil and South Africa. A large proportion of neutralizing antibodies generated by long-lasting B cells only target conserved epitopes.
Researchers from Osaka University have discovered that insect neurons promoting egg-laying require a circadian clock gene for day length-dependent responses. This study provides new insights into the importance of biological clocks in regulating seasonal physiological functions like reproduction and temperature tolerance in insects.
Tiny components within cells, such as lysosomes, drive the movement of the endoplasmic reticulum (ER), a key organelle responsible for protein production. This discovery has significant implications for understanding and treating neurodegenerative diseases like Parkinson's and Alzheimer's.
Researchers used a trans-omic approach to map the total landscape of diabetes regulation in mice. They found that obese mice lack rapid responses to glucose and instead use slower methods like changing gene expression.
UC Santa Barbara researchers develop a method to increase both affinity and cooperativity in aptamer-based biosensors, allowing for fine-tuned regulation of receptor properties. This approach enables precision biosensing applications, such as detecting low concentrations of target molecules like chemotherapy drugs.
Researchers have discovered a general property for understanding how immune cell receptors sense and respond to microbial signals. The result led to a more effective cancer immunotherapy in mice, which could lead to more effective vaccines for existing and novel viruses.