Articles tagged with Immune Cells
Research at UT MD Anderson Cancer Center has identified biomarkers to identify patients with resectable NSCLC who benefit most from perioperative immunotherapy. The center also found that the composition of donor cord blood may influence CAR NK cell therapy outcomes.
Dysregulated neutrophils may play a key role in persistent low-grade inflammation seen in chronic coronary syndrome. Researchers found that neutrophils from patients with stable coronary artery disease do not die as they should, persisting and remaining highly active.
Researchers have identified a naturally occurring gut molecule that strengthens chickens' immune response against bacterial infections. The compound, sodium butyrate, reprograms chicken immune cells to fight diseases without causing inflammation.
Researchers found that dexamethasone reduces infection-driven macrophage metabolic activity and lowers inflammatory signals, preserving the immune system's ability to control the infection. This study suggests a new approach for managing nontuberculous mycobacterial disease.
Scientists at Gladstone Institutes and UCSF discovered a pair of genetic edits that make CAR-T cells more effective against solid tumors. The new CRISPR screening platform enables the study of gene edits on CAR-T cells inside living mice, uncovering therapeutic targets previously missed in conventional cell culture systems.
A study by King's College London has identified two types of white blood cells linked to survival outcomes for patients with melanoma. Effective immunotherapy treatment is associated with efficient B and T cell responses, while immature or poorly functioning B cell populations predict poorer outcomes.
Researchers identified a protective subtype of microglia that expands as Alzheimer's disease progresses, playing a key role in clearing harmful material from the brain. The study provides insights into how the brain's immune cells change across the lifespan and throughout Alzheimer's disease, paving the way for therapies that strengthe...
Researchers at UC San Diego identified a key cellular pathway that drives brain degeneration in both Sanfilippo syndrome type A and Alzheimer's disease. The study reveals how the brain's immune cells respond to waste buildup, providing a novel target for drug development.
Cancer cells' ability to evade the immune system is linked to changes in their surrounding environment, including nearby nutrients and conditions. Researchers discovered that altering these factors can thin the cancer cell's protective sugar coating, allowing the immune system to recognize and eliminate them.
Researchers discovered how breast tumors recruit immune cells to attract nerves that support tumor growth and treatment resistance. Blocking nerve growth may boost the immune response to fight cancer.
A study published in the Journal of Cachexia, Sarcopenia and Muscle reveals that deleting transforming growth factor-beta 1 (TGF-β1) from macrophages enhances muscle regeneration and mitochondrial function. The research found that this approach protected against obesity-related muscle wasting and improved exercise performance.
Researchers found that female mice's microglia form prolonged contacts with neurons during recovery, leading to synaptic remodeling and plasticity. This phenomenon was not observed in male mice, highlighting differences in brain recovery processes between sexes.
The Alliance QUANTUM trial is testing whether post-transplant consolidation therapy with teclistamab improves survival in patients with primary plasma cell leukemia. Plasma cell leukemia is a rare but aggressive blood cancer with poor long-term survival rates.
Researchers at Gladstone Institutes have made significant progress in understanding the causes of long COVID, focusing on changes in virus-specific immune cells. Specifically, they found that people with long COVID have distinctive changes in CD8 T cells, which are specialized to protect against specific viruses.
Researchers at Tulane University discovered that vesper bats have two distinct copies of genes producing antibodies, which helps them recognize and fight infections. This finding opens up new areas of study on the evolution of immunity and how animals respond to diseases.
A recent study found that human lung tissue contains a vast reservoir of tissue-resident memory T cells (T RM cells) capable of targeting a range of viruses, bacteria, and fungi. These cells reside only in the lungs and can live for years, providing a vital line of defense against severe respiratory infections.
A research team led by Iowa State University's Raquel Espin Palazon identified two essential components — a pervasive protein and a crucial cellular signaling pathway — needed to make some types of blood cells. Adding these components to leukemia cells could potentially lead to new treatment options.
Researchers have identified a new strategy to prevent T cell exhaustion and boost immunotherapy by blocking MEK signaling. This approach has shown promise in lab models, enabling T cells to persist under harsh tumor conditions. However, the effectiveness of this treatment may vary among patients due to the complexity of T cell exhaustion.
Scientists at MD Anderson Cancer Center have identified a previously unknown mechanism by which T cells attack and eliminate acute myeloid leukemia (AML) cells. The discovery reveals that AML cells use a CD64-dependent pathway to evade traditional MHC recognition, potentially explaining why AML is sensitive to immune-based treatments.
The University of Minnesota Medical School research team has received a $10 million NIH grant to study how animals fight infection. The team will utilize a 'cellular zoo' of living cells from over 100 animal species to understand how different species recognize and respond to viral infections.
Researchers developed a new way to uncover differences in how viruses infect and destroy individual microbial cells. The study used a mathematical modeling framework to analyze infection outcomes in individual cells, revealing striking accuracy and new insights into viral behavior.
A new study reveals that macrophages, a key immune cell type, age differently across tissues and between sexes. The researchers found that aging macrophages become more focused on responding to stress and cellular damage, but lose some molecular programs involved in maintaining healthy tissue structure.
Researchers created a comprehensive single-cell map of the tumor immune microenvironment in multiple myeloma and its precursor conditions. The study identified five distinct subtypes, or 'ecotypes,' that capture meaningful insights into signaling pathways and genetic programs not fully explained by disease stage alone.
A new method called ATTACH identifies strong interactions between T cells and cancer-specific proteins to isolate effective tumor-reactive T cells. This approach overcomes key challenges in immunotherapy development, offering a rapid and accessible way for isolating rare immune cells.
The new journal features cutting-edge research across basic, clinical, and translational immunology. It is designed to connect researchers across the full breadth of immunology, deepening understanding of the immune system in health and disease.
Scientists at La Jolla Institute for Immunology and Scripps Research have developed an HIV vaccine that trains immune cells to see past HIV's defenses. The vaccine resulted in the best HIV-fighting antibody response ever seen in primates, with human trials now underway.
Researchers have discovered that immune cells, specifically neutrophils, use neurotransmitters like dopamine and adrenaline to communicate in real-time. This finding has significant implications for understanding the regulation of the immune system.
Researchers found that a single parameter in the differential blood count can identify at-risk patients on hospital admission following a heart attack. Immature immune cells, specifically preneutrophils, significantly increase short-term risk of death.
A UMD-led study reveals that wild bats balance different types of immune defenses based on sex, age, and competition for mates. The researchers found that male bats rely more on rapid-response immune defenses, while females invest in targeted responses to pathogens.
Researchers identified a previously unrecognized immune system pathway that connects cigarette smoking to cardiovascular disease. Cigarette smoke activates immune cells, triggering widespread inflammation throughout the body and accelerating plaque buildup in arteries.
Researchers have discovered a completely unknown type of immune cell, named ruptoblasts, which rewrite our understanding of the immune system. These cells act like cellular grenades, releasing powerful killing agents to destroy pathogens and prevent infection.
A team of researchers has identified a previously unknown vulnerability in KRAS-mutated pancreatic cancer cells, making them susceptible to necroptosis. Blocking the tumor cells' defense mechanism by inhibiting caspase-8 leads to significant cell death and reduced tumor growth.
Researchers have made major steps toward solving the mystery of how brain aneurysms form by identifying key cell types and genetic pathways involved. The study's findings provide new insights into a clinical paradox: smaller aneurysms can still rupture, and offer opportunities for early intervention to prevent ruptures.
Researchers have discovered a previously underappreciated mechanism that helps immune cells respond rapidly to infections by altering RNA splicing. This study provides new insights into immune-mediated diseases such as rheumatoid arthritis and lupus, and may lead to more targeted therapies.
Scientists at La Jolla Institute for Immunology have discovered that 'cross-reactive' T cells can recognize multiple species of paramyxovirus, including measles and Nipah viruses. This broad protection is essential in combating emerging diseases with unknown viral strains.
Researchers at Trinity College Dublin found that cells with latent TB remain metabolically flexible, allowing strong antibacterial responses. In contrast, cells from people with active TB disease show impaired metabolism and weaker responses to infection.
Activated memory B cells can recognize and target ovarian cancer cells, producing effective antibodies. The discovery advances the development of vaccines and therapies based on immune memory against cancer.
Researchers discovered that immune cells in a pigeon's liver can sense the Earth's magnetic field, providing an internal compass. This discovery sheds light on how birds navigate long distances and could have implications for other animals and humans.
Researchers found that obesity alters the biological changes in breast cancer cells, enabling them to survive and thrive. The study's findings could improve prediction and treatment of invasive breast cancer, reducing overtreatment and unnecessary treatments.
Researchers at CNIC identify mitochondrial complex I as a key checkpoint for dendritic cell activation. Restoring its function restores immune responses against viruses and tumors. The study paves the way for new strategies in vaccines and cancer immunotherapies.
Scientists at the Garvan Institute of Medical Research captured 'housekeeping' immune cells actively attacking and engulfing live melanoma cells. These macrophages patrol the edges of melanoma tumours, steadily engulfing cancer cells and slowing tumour growth. The discovery has big implications for immunotherapy.
Researchers at La Jolla Institute for Immunology have discovered that combining key vaccine ingredients could give the body the tools it needs to fight the entire family of arenaviruses with a single vaccine. This approach may protect against life-threatening infections from Lassa virus, Junin virus, and many other arenaviruses.
A common genetic alteration in prostate cancers enables tumors to bypass dependence on male hormones and instead rely on cortisol, leading to treatment resistance. Combination therapy targeting both androgen signaling and cortisol activity can suppress tumor growth and extend survival.
Researchers developed a 13-gene panel and machine learning model to predict TNBC patient responses to chemotherapy, identifying macrophage subtypes associated with treatment outcomes. The study provides novel insights into the gene-expression programs and tumor microenvironment of early-stage triple-negative breast cancer.
Researchers discovered that CD4+ immune cells spot and attack the virus in the liver, leading to viral clearance. This finding points to a potential cure for hepatitis B, with therapies designed to activate these immune cells.
A recent study reveals that combining iNKT cell therapy with antigen-presenting cells activated by a lipid compound triggers effective antitumor immunity. The therapy generates memory-phenotype T cells that can recognize and respond to specific threats, offering a promising personalized approach to cancer treatment.
Researchers visualize immune synapse and cytotoxic granules with unprecedented level of detail, revealing new perspectives in immuno-oncology. The study uses cryo-expansion microscopy to provide a near-native view of T lymphocyte mechanisms.
Researchers at La Jolla Institute for Immunology discovered that FluMist can trigger an immune response directly in nasal tissue, training immune cells to recognize and fight influenza virus infection. This response stays in the upper airways and cannot be detected via blood samples.
Researchers identify calcium as a key chemical signal that triggers immune cells during obsessive-compulsive and anxiety-related behaviors. This discovery establishes a new framework to study how anxiety arises and persists through calcium signals in microglia, potentially leading to targeted therapies.
A study published in Nature Communications reveals how immune cell networks contribute to liver damage and fibrosis. The research team identified a key interaction between dendritic cells and γδ T cells, triggering pro-inflammatory signals that amplify inflammation.
Researchers discovered that HDAC7 plays a dual role in immune system development and cancer progression. Restoring HDAC7 in cancer cells can slow or stop tumor growth, offering new hope for diagnosis and treatment.
A first-in-human trial shows that an infusion of immune cells derived from a donor's blood can prime the recipient's immune system to accept a donor liver, potentially reducing lifelong immunosuppression. Eight out of 13 participants achieved complete withdrawal of immunosuppression and remained off for more than three years.
A high-precision Human Immune Aging Clock (HIAC) has been developed to quantify immunosenescence and identify actionable intervention targets. The study identified RUNX1 as a functional 'brake' on T-cell senescence, and found that individuals with decelerated immune aging displayed a more youthful immune profile.
Researchers have developed a new single-cell technology called CIPHER-seq that captures the timing of cytokine activity with greater accuracy. This allows for a clearer view of immune cell behavior and strengthens the foundation for understanding cancer, inflammation, and treatment resistance.
Researchers reveal that immune system's T cells travel to the prostate to provide long-term protection against infections. Harnessing these disease-fighting cells could lead to new therapies for prostate cancer and inflammatory conditions.
A retrospective study of 40 immunocompromised ICU patients found associations between low CD4+T-cell counts and specific lung pathogens. Patients with severe CD4 depletion had higher proportions of fungal infections, while moderate immunosuppression was linked to Streptococcus pneumoniae.
Researchers find that rare stromal cells are responsible for maintaining immune cell organization in healthy lymph nodes. However, in aggressive lymphomas, this process breaks down due to a self-reinforcing inflammatory cycle, leading to tissue collapse and poorer outcomes.
Researchers redesigned a key component of lipid nanoparticles to steer particles toward lymph nodes, reducing off-target delivery. This advancement could make mRNA vaccines more efficient, potentially achieving strong immune protection at lower doses.
Researchers discovered VISTA as a critical immune checkpoint that balances immune activation and inflammation resolution during kidney injury. Administering exogenous VISTA protein shows potent protection against acute kidney injury and its progression to chronic disease.
A new study reveals two specific genes that act like security locks to keep the virus asleep in some individuals who naturally control HIV even after stopping therapy. Metformin, a common diabetes drug, can activate one of these locks to keep the virus in its dormant state.