Articles tagged with Cell Responses
Therapeutic phages can detect epithelial cells of the human respiratory tract, eliciting proinflammatory responses. Specific phage properties and airway microenvironment influence these responses.
Researchers discovered a class of cerebellar inputs, called climbing fibres, are essential for associative learning to occur. These
A second-generation melanoma vaccine has shown improved survival rates for male patients compared to female patients, particularly those who are younger and have earlier-stage cancer. The vaccine targets helper T cells to recognize melanoma proteins, leading to boosted patient survival and reduced cancer reoccurrences.
Researchers found that initial vaccinations against the ancestral SARS-CoV-2 strain shape immune responses to newer variants BA.5 and XBB, with higher B cell repertoire leading to more effective cross-reactive immunity. This 'immunological imprinting' effect could impact future vaccine designs.
A competition among researchers predicted B. pertussis vaccine responses based on a simple correlation between calendar age and antibody responses. The result highlights the need for further research to understand variability in vaccination outcomes.
Researchers found that Kupffer cells in liver respond to high cholesterol by removing excess, revealing the liver's role in regulating cholesterol levels. This discovery suggests atherosclerosis is a systemic disease affecting multiple organs.
Researchers question whether micronuclei activate the cGAS-STING pathway, a key innate immune response to foreign nucleic acids. The study found that MN more commonly recognizes DNA during cell division without triggering STING activation.
Researchers at MIT have developed a new type of nanoparticle that can both deliver vaccines and act as an adjuvant to generate a strong immune response. The particles, called metal-organic frameworks (MOFs), were shown to be effective in delivering the SARS-CoV-2 spike protein and boosting the immune system's response.
A new genetic signature of 140 genes may predict enhanced disease-free survival in patients with non-small cell lung cancer treated with immunotherapy and low-dose radiation. The signature is associated with aggressive tumor growth but also increased immunity and tissue repair after treatment.
Researchers discover how S1P molecules are released from SPNS2 protein via small cavities, enabling potential treatment for inflammatory diseases. The study provides a foundation for designing future drugs targeting the protein.
Researchers develop epigenetic clocks based on regional disorder of DNA methylation patterns, identifying common responses and critical differences from canonical clocks. These findings suggest a fundamental decoupling of epigenetic aging processes.
Researchers identified senescence-related tumor microenvironment genes associated with poor prognosis, genetic alterations, and reduced responsiveness to immunotherapy in HNSC. The study highlights the importance of precision medicine approaches for personalized treatment.
A study reveals thyroid cancer's genetic changes contribute to resistance to BRAF inhibitors and can lead to tumor dedifferentiation. Researchers identify potential targets for new therapies, including dual-targeted treatments and immunotherapy combinations.
Researchers studied how epithelial cells sense small changes in their environment using ion channels. They found that even small movements can trigger rapid intracellular calcium changes via mechanosensitive cation channels, which play a key role in touch sensation and other physiological functions.
A team of researchers from UMass Amherst and Seattle Children's Research Institute found that prior exposure to certain bacteria changes the lung's innate immune response, making it more vulnerable to tuberculosis. The study suggests that remodeling the innate immune system could be a more effective strategy in fighting TB.
A new study led by Dr. Richard Naud of the University of Ottawa's Faculty of Medicine tackles the mystery of neuronal response variability, controlling output with dendrites' inputs to the core and little antennas
A team of South Korean scientists used machine learning to discover the secrets of cell variability, revealing a parallel structure that reduces heterogeneity among cells. This finding has far-reaching effects on cancer treatment and improvement in chemotherapy efficacy.
Researchers found that ASCOT reverses some age-related protein expression changes, enriching processes related to the complement cascade and immune system in patients with poor ovarian response. In contrast, patients with premature ovarian insufficiency showed enrichment in responses to oxygen-containing compounds and growth hormones.
Researchers developed a framework to identify genetic contributors to disease by applying stress tests to human blood cells. This study found links between blood-response characteristics and subsets of common diseases.
Researchers explore the properties of cytostatic persisters in cancer treatment, highlighting their therapeutic potential and challenges. The study suggests that targeting these persisters before resistance emerges can reduce cancer recurrence.
Researchers are shedding light on the molecular mechanisms underlying HIV replication and viral integration, opening new avenues for tackling the virus. Discoveries suggest that targeting the cell nucleus and harnessing innate immunity may be key to blocking viral replication and persistence.
Researchers found that a breakthrough infection builds upon existing memory B cell pool and introduces random mutations that prepare antibodies for new variants. Broad neutralizing antibodies can neutralize all tested Omicron variants.
Scientists developed a synthetic melanin that accelerates wound healing and protects against sun damage. The cream also quiets the immune system, allowing for continuous repair and reducing inflammation.
A new study found that residents of neighborhoods with more greenspace tend to have longer telomeres, indicating better cellular health. However, the positive impact of greenspace is not enough to compensate for other environmental challenges like air pollution and racial segregation.
Researchers found a quantitative difference in B cell response following vaccination between young and older adults, with younger adults mounting a stronger clonal response and older adults having more activated B cells. This study provides insights into the age-related differences in B cell vaccine response and may lead to the develop...
A phase 2 clinical trial found that serial blood tests can identify patients who benefit from additional immunotherapies, suggesting a potential early marker of treatment response. The study also showed that ctDNA analyses correlated with tumor size and survival, making it a promising strategy for guiding therapy.
A new study reveals that changing nutrient use can reprogram immune cells, potentially treating cancer and infections. By blocking choline metabolism, researchers found a 'tremendous reprogramming of the immune profile' in mice, suggesting this knowledge could lead to novel therapies.
Researchers found that administering precursors of Elovanoids improved neurological deficit in an experimental model of ischemic stroke. The study identified a cascade of gene responses and sheds light on potential new therapeutic avenues for treating ischemic strokes.
Researchers at Mayo Clinic discovered that senescent macrophages in the lung promote tumor growth by blocking the immune system's response to abnormal cell growth. Eliminating these senescent cells delays tumor formation, suggesting a potential therapeutic target for cancer treatment.
A new study by University of Illinois researchers has collected gene expression data in response to mechanical stiffness in tumors, providing insights into the crosstalk between cancer cells and their environment. The study found that colorectal cancer-associated fibroblasts can sense changes in stiffness and adapt, leading to dramatic...
Researchers discovered that immune cells create local gradients by consuming chemokines, guiding their movement and enhancing directional movement in complex environments. This finding increases understanding of coordinated immune responses and may reveal new strategies for targeting cancer
Researchers at the University of Illinois Chicago have discovered that trained immune cells can remove cellular debris and reduce inflammation in the lungs. This 'memory' or training allows these cells to respond better to subsequent infections, potentially leading to a cell therapy to prevent acute lung injury.
Researchers at ETH Zurich have developed a gene switch that uses sound waves to trigger insulin release in designer cells. The system works by embedding an ion channel protein from the bacterium E. coli into human cells, which opens in response to sound, causing insulin vesicles to fuse and release insulin.
A new study found that high-stress caregivers had higher klotho levels and longer telomeres in specific immune cells, which may provide protection against aging. In contrast, low-stress caregivers showed no significant associations between klotho levels and telomere length.
A team of researchers from Goethe University Frankfurt has discovered a central switch point in the mitochondrial signaling chain under misfolding stress. The mitochondria send two chemical signals to the cell when protein misfolding stress occurs, triggering a protective response that reduces misfolded proteins and stabilizes membranes.
A University of Ottawa study reveals that a diverse brain's ecosystem is key to maintaining normal function while responding to changes. This concept is inspired by Charles Darwin's idea that biodiversity is crucial for survival, suggesting cell-to-cell diversity helps prevent failures in brain circuits.
Rice University scientists use light-activated molecular machines to trigger intercellular calcium signals, revealing a powerful new strategy for controlling cellular activity. The technology could lead to improved treatments for people with heart problems, digestive issues, and more.
Researchers from Rice University and Princeton University have developed a new technology that allows for the live monitoring of signaling protein networks in living cells. The 'live reporter' system uses unobtrusive proteins to tag specific proteins, which can activate fluorescent markers when they become phosphorylated.
Researchers at University Hospital Bonn have developed a new approach to predict therapy response in patients with metastatic renal cell carcinoma by incorporating two simple blood parameters, CRP and albumin. This method improves the prediction of treatment response, especially in patients with disease control in the first follow-up.
Researchers found that mice with Alzheimer's Disease lacked TLR4 in their central nervous system, leading to reduced joint inflammation and immune cell response. This study suggests potential therapeutic targets for chronic pain treatment and raises awareness about underreported pain in AD patients.
UCF researcher Dr. Justine Tigno-Aranjuez has discovered a new receptor that recognizes house dust mite allergens, opening up potential for broad-spectrum therapy. The finding could lead to improved treatments for common allergies, including asthma.
Researchers identified at least 745 reQTLs in monocytes, influencing the activation of cells upon contact with bacteria or fungi. The findings provide basic knowledge for personalized medicine in treating infectious diseases.
A powerful new stem cell technique has enabled large-scale studies of the relationship between human genetics and biology, accelerating research and potential personalized treatments.
Researchers discovered that targeting specific blood vessel enzymes can enhance immunotherapy effectiveness and prevent breast cancer metastasis. By disabling the enzyme DNMT1 in blood vessels, doctors may bolster anti-tumor immune cells entry and increase patients' response to treatment.
The study found that the immune response to spinal-cord injuries is impaired in older individuals, leading to weaker cell responses and reduced recovery. The researchers identified an essential role for the meninges surrounding the spinal cord in mounting the immune response, paving the way for new therapeutic approaches.
Researchers found that lymphoid depletion lesions in the spleen of SARS-CoV2-infected mice may trigger novel therapies to restore defective antigen-presenting cell functions in humans. The severity of COVID-19 varies significantly, with dysregulated immune responses linked to poor outcomes.
A Washington State University-led study reveals that plants can distinguish between touch and release by sending slow waves of calcium signals when touched and rapid waves when released. The researchers used specially bred plants with calcium sensors to detect these changes, providing new insights into plant sensitivity.
Researchers used a multiomics approach to analyze changes in transposable elements after influenza A virus infection, identifying transcription factors contributing to individual responses. The study provides insights into the variable severity of illness among individuals infected with the same virus.
A molecular epigenetic mechanism, common to many species, mediates long-term cellular responses to particulate matter such as air pollution. This discovery offers a promising step towards understanding the impacts of nanoparticle exposure on biological systems and the environment.
Researchers created a synthetic yeast system that responds to dual oscillatory signals, showing significant enlargement of entrainment region and increased synchronization. The study demonstrates the importance of phase difference in regulating internal oscillator dynamics.
A research group led by Osaka University found that plant mesophyll cells can detect mechanical pressure and differentiate into epidermal cell types via ATML1 gene upregulation. This study reveals the mechanisms involved in plant regeneration and offers new insights into position-dependent cell fate determination.
The study found that vaccine type significantly impacts the immune response to COVID-19, with Pfizer and Moderna offering a stronger antibody response than Johnson & Johnson. Age, sex, BMI, and smoking status also affect vaccine effectiveness, with smokers experiencing a 240% lower response.
A new study reveals a shared molecular response to nanoparticles, linking immune activation and particulate matter exposure. The findings propose a solution to the 'one-chemical-one-signature' problem in chemical safety assessment.
Researchers at UVA Health System have made a breakthrough discovery about the role of microglia in seizure disorders. The study suggests that enhancing microglial activity could be a promising approach to preventing and managing seizures, offering new hope for patients who don't respond to existing treatments.
A new study presents a chronic wound murine model that characterizes the role of persistent senescent cell accumulation in delayed wound closure. The molecular profiles of senescent cells demonstrate the adverse influence of SASP factors, highlighting a potential root-cause-driven therapeutic strategy.
Researchers developed a gene signature called CisSig to predict cancer patients' response to cisplatin. The approach aims to overcome the obstacle of interpreting gene signatures in the human body and has been validated in muscle-invasive bladder cancer patients.
Researchers at UNIGE discovered that natural opioids cannot enter cells, whereas therapeutic opioids can, leading to differences in physiological responses. The study's findings could help develop safer medications with improved efficacy and reduced side effects.
Research discovers that reduced levels of Hsp47 protein can prevent blood clots in humans, pigs, and bears, even when immobile for extended periods. The study's findings could lead to new medicines for people with inherited blood clotting disorders.
Researchers found a partial response in a patient with pancreatic acinar cell carcinoma, as well as stable disease in 11 patients, when combining riluzole with sorafenib in a phase I trial. The combination was safe and tolerable, and further exploration of its potential is warranted.
Researchers found that neutrophils can be pro- or anti-tumour depending on their surface markers, and those fighting tumours share cytotoxic power with neutrophils in bacterial infections. Blocking these anti-tumour neutrophils eliminates treatment benefits.