Articles tagged with Immune Cells
A new study found that white blood cells that remember past inflammation events are quick to overreact, raising the risk of blood clots. Researchers discovered that these immune cells, called myeloid cells, have increased blood-clotting activity long after the initial inflammatory event.
A new Northwestern University study found that enhancing the brain's immune cells can clear Alzheimer's plaques and restore a healthier brain environment in immunized patient brains. The findings could reshape the future of Alzheimer's treatments by shifting the focus from removing plaques to harnessing the brain's natural defenses.
Researchers at UCSF have discovered that human lung tissue contains hematopoietic stem cells (HSCs) capable of producing red blood cells, platelets, and immune cells. The finding suggests the lungs could be a potent source for life-saving stem cell transplants, particularly for patients with leukemia.
Researchers found that training the innate immune system can exacerbate inflammatory bone loss in models of chronic diseases like periodontitis and arthritis. The study suggests that a previously thought beneficial effect of trained immunity may actually contribute to harm in certain contexts.
Researchers at Stanford Medicine have devised a way to mine the immune system's internal database to diagnose diseases such as diabetes and COVID-19. The machine-learning based technique, called Mal-ID, uses B and T cell receptor sequences and structures to identify individuals with specific diseases.
A new study found that artificial sweetener aspartame triggers insulin spikes leading to blood vessel inflammation in mice, which can contribute to atherosclerosis and increased risk of heart attacks and stroke. The researchers identified an immune signal called CX3CL1 that plays a key role in this process.
Researchers have discovered double negative memory B cells, a novel subset of immune cells that are more dysfunctional when in close contact with tumors. These cells may be a useful diagnostic marker and a potential target for developing new immunotherapies.
Researchers found that flagellin from the gut disrupts immune checkpoint treatment in ovarian cancer patients. Inhibiting this pathway may enhance clinical outcomes and save lives. The discovery could lead to novel therapies capable of targeting ovarian tumors.
Researchers at University of Melbourne and Pfizer discover new insights into a dual-target drug that may supercharge cancer-fighting immune cells, potentially leading to improved outcomes for breast cancer patients. The study found that this approach can enhance anti-tumor immunity by intratumoral CD8+ T cells.
A team of international researchers found that tumor cells become drastically diverse when exiting the bone marrow, affecting immune cells in the cancer lesions. This discovery could contribute to more precise diagnostics and therapy for multiple myeloma, a incurable bone marrow cancer.
Researchers discovered immune cells that can recognise influenza (flu) viruses even as they mutate, providing a potential solution to the annual updates of flu vaccines. The study found that certain T cells, which play a critical role in fighting infections, can detect multiple flu strains, even those that have evolved over a century.
Researchers at TUM found that cystic fibrosis causes changes in the immune system as early as birth, leading to frequent inflammation and infections. These changes are not affected by CFTR modulator therapies.
Researchers from Osaka University found that selenoproteins are essential for counteracting lipid peroxides and maintaining hematopoiesis in human cells. The study also showed that dietary Vitamin E can protect hematopoiesis and repair impaired B cell differentiation, providing potential strategies for fighting age-related diseases.
Researchers at the University of Melbourne have identified a rare type of immune cell, called stem-like T cells, that holds the key to maintaining powerful, long-term immune responses. ID3+ T cells have the remarkable ability to resist burnout and maintain a powerful immune response over time.
Researchers developed a precision medicine approach that uses high-tech microscopy to analyze individual immune cells and identify cellular phenotypes correlated with disease activity and therapeutic response. This study represents a major step forward in tailoring therapies for rheumatoid arthritis and other autoimmune diseases.
A new longitudinal study has provided unprecedented insights into human papillomavirus (HPV) infection dynamics. The study found that non-persistent infections exhibit a plateau in viral load before rapidly declining, while chronic infections show a strong correlation between immune cells and virus production. This research could infor...
Researchers at Uppsala University found that people with psoriasis have invisible inflammation in their small intestine, which can lead to gastrointestinal problems and an increased risk of developing Crohn's disease. Half of the study participants had a leaky gut, allowing bacteria and harmful substances to leak through the intestinal...
The study provides insights into the roles of microglia in neurodegenerative diseases, revealing nine transcriptionally distinct subpopulations. The GPNMB-high Lipo.DAM signature is associated with Alzheimer's Disease and Multiple Sclerosis, and may hold relevance for immune-based therapies.
Researchers discover how cigarette smoke alters the function of mucosal-associated invariant T (MAIT) cells, a key type of immune cell in the lungs. This impairment increases susceptibility to respiratory infections and worsens chronic obstructive pulmonary disease (COPD).
Researchers discover immune cells regulate blood sugar levels by stimulating glucagon production in the pancreas. This complex neuroimmune-hormonal circuit reveals a new way the body maintains stable glucose levels, especially during periods of low energy.
Concordia researchers propose a novel method using ultrasound-guided microbubbles to stimulate critical cytokine secretion in T cells, potentially re-activating them and increasing the release of proteins needed to fight cancer. The approach could complement existing treatments and improve outcomes.
A research team at Memorial Sloan Kettering Cancer Center has identified a novel molecular pathway leading to the formation of tertiary lymphoid structures (TLSs) in tumors. TLSs are immune cell clusters that can boost the local immune response and may be harnessed for immunotherapy treatments.
Scientists at Salk Institute discovered that removing bile acid-creating protein BAAT and adding bile acid UDCA controls tumor growth in mice with liver cancer. UDCA supplements may be a quick solution to improving liver cancer patient outcomes.
Researchers found significant functional variations between rodent and human PD-1 due to evolutionary divergence. The study reveals a unique motif present in most mammals but missing in rodents, leading to uniquely weaker rodent PD-1.
Neuroscientist Professor Raz Yirmiya reveals a vital link between inflammation and depression through groundbreaking research. His work suggests that both activation and suppression of the immune system can trigger depressive symptoms, highlighting the need for personalized treatment approaches.
Scientists at Goethe University Frankfurt have discovered a new way to tailor natural killer cells to target leukemia cells, improving their efficacy. The researchers used CRISPR/Cas9 gene editing to disable an immune checkpoint, allowing the modified cells to attack cancer cells more effectively.
Researchers at RCSI University of Medicine and Health Sciences have discovered that macrophages, a type of immune cell, work differently throughout the day due to the body's internal clock. This daily rhythm determines when immune cells are most efficient at detecting threats and mounts a response.
Researchers at Tokyo University of Science found that kaempferol increases RALDH2 levels in dendritic cells, promoting regulatory T-cell development and reducing inflammation. The study suggests that flavonoids like kaempferol may serve as natural remedies to alleviate allergic symptoms.
Researchers analyzed individual cells from two craniopharyngioma subtypes to identify specific cell types, their features, and interactions. The study found distinct cell types linked to tumor development and immune response in both adamantinomatous and papillary craniopharyngiomas.
The University of Arizona Health Sciences has received a second vote of support from Maricopa County, doubling its investment in the Center for Advanced Molecular and Immunological Therapies (CAMI) to $8 million. CAMI will accelerate novel therapies for cancers, autoimmune conditions, and infectious diseases, including COVID-19.
The Pew Charitable Trusts has funded eight teams of researchers to conduct interdisciplinary biomedical research projects. These partnerships aim to advance scientific discovery and improve human health by combining expertise in cell biology, immunology, neuroscience, and genetics.
Scientists at UCSF have developed engineered T cells that act as immune referees to soothe overreacting immune responses and mope up inflammatory molecules. These cells could improve treatment for organ transplants, type 1 diabetes and other autoimmune conditions by reducing the need for harsh immunosuppressant drugs.
Researchers developed a nasal vaccine combining traditional pertussis antigens with an innovative adjuvant called T-vant to boost immune response. The new vaccine was shown to prevent the bacteria's colonization in the respiratory tract, significantly curbing whooping cough spread.
Researchers have created a method to track genetically modified immune cells using PET scans, providing real-time insights into their behavior and persistence in solid tumors. This technology has the potential to inform personalized treatment options and optimize therapy regimens.
A new award at University of Utah Health recognizes the importance of a diverse scientific community. The Administrative Supplement to Recognize Excellence in Diversity, Equity, Inclusion, and Accessibility (DEIA) Mentorship award aims to enhance diversity, equity, inclusion, and accessibility in biomedical sciences.
The Wyss Institute's iNodes team has been awarded an ARPA-H Sprint for Women's Health to develop implantable immune organs for treating ovarian cancer. The iNodes concept is based on the formation of lymphoid organs in tumors, which can be reprogrammed to attack cancer cells and retain a long-term immune memory.
Researchers from the University of Bonn have developed a new method to study immune receptors using a label-free biosensor assay. This approach allows for the detection of specific chemical signals that activate Toll-like receptors (TLRs), which are found on the surface of immune cells and play a crucial role in detecting infections. T...
Rice bioengineers create a mathematical model that challenges long-held assumptions about IL-12's behavior in the body, suggesting repeated doses cause immune cells to hoard IL-12 before it reaches the bloodstream. The findings have significant implications for IL-12 therapy design and may lead to more effective dosing regimens.
Gladstone researchers have identified a complex molecular connection between immune cells and fibroblasts that contributes to fibrosis in the heart, which may lead to new treatments for heart disease and other fibrotic conditions.
A McGill University study reveals that vitamin D deficiency early in life can lead to a higher risk of autoimmune diseases like Type 1 diabetes. The research found that an aging thymus causes the immune system to become less effective, increasing the risk of misdirected immune cells attacking healthy tissues.
Researchers from USC and Caltech develop a new method to study hematopoietic stem and progenitor cells within the bone marrow without extracting them. This breakthrough could inform efforts to optimize bone marrow transplantation and provide insights into various health conditions, including cancer and heart disease.
Researchers developed a new combined therapy for multiple sclerosis, combining tolerogenic dendritic cells with Dimethyl Fumarate to restore immune balance. The treatment showed promise in preclinical studies, reducing symptoms in mice and potentially offering hope for patients worldwide.
Researchers created the largest atlas of how tumor architecture changes in response to immune checkpoint therapy. The study found that multiple T cells recognize different neoantigens, altering the tumor ecosystem, and challenged prevailing theories on immunotherapy.
Dr. Roger Lo has been awarded a $2 million NIH grant to investigate ways to prevent drug resistance in melanoma treatment and improve the effectiveness of MAPK inhibitors. The team aims to target genetic instability and immune evasion to stabilize the melanoma genome and make it more vulnerable to immune attacks.
Researchers found that fever temperatures increase helper T cell metabolism, proliferation and inflammatory activity, while causing mitochondrial stress, DNA damage and cell death in a specific subset of Th1 cells. These findings may explain how chronic inflammation contributes to cancer development and suggest a fundamental way cells ...
A recent study by Dr. Esteban Ballestar's group identifies an immune cell population that is more effective in responding against cancer cells under hypoxia. Macrophages undergo changes that enhance their ability to trigger an immune response, leading to better patient outcomes in bladder and ovarian cancers.
A new study published in Frontiers in Immunology reveals that certain food proteins like milk and meat can help keep gut tumors from growing by triggering the intestinal immune system. This discovery has potential clinical implications for patients with gastrointestinal conditions.
Researchers developed a synthetic mucin gel inspired by cow slime to create a protective barrier around discs, preventing immune system attacks. This innovative approach may improve patient outcomes and reduce long-term complications after disc herniation surgery.
Researchers found that microbial communities in mice influence immune cell populations, with adaptive cells more prominent in lower intestine and innate cells in upper segments. A tool has been created for studying interactions between gut microbes and inflammatory diseases.
Researchers have discovered that administering regulatory T cells (Tregs) can enhance tissue healing, promoting bone volume, muscle growth, and skin wound closure. The key role of interleukin-10 (IL-10) in supporting tissue repair has also been identified.
A Trinity scientist has won an ERC Starting Grant to investigate the role of microglia in brain disorders. The project aims to create a detailed map of how these immune cells change during brain damage, disease, or repair, with the goal of developing methods to control and rejuvenate neuropathology.
Researchers have identified key cellular interactions and microenvironments that contribute to the development of chronic kidney disease (CKD) after acute kidney injury (AKI) in mice. The study, published in Nature Communications, provides new insights into how damaged cells interact within disease-promoting microenvironments.
A recent study has revealed that oral bacteria, specifically Aggregatibacter actinomycetemcomitans, can exacerbate rheumatoid arthritis. The study found that the infection led to increased inflammation and joint damage in animal models.
A study by researchers from Brazil and Germany found that a surface protein on Aspergillus fumigatus spores suppresses the release of pro-inflammatory substances by immune cells, making it easier for the fungus to infect the body. The enzyme glycosylasparaginase plays a crucial role in this process.
Researchers investigated the connection between androgen deprivation therapy for prostate cancer and Alzheimer's disease. They found that ADT can exacerbate cognitive decline by increasing brain immune cell infiltration, but a combination with Natalizumab improved integrity of the blood-brain barrier and reduced inflammation.
Researchers have defined a molecular mechanism controlling PD-1 expression in melanoma cells, revealing a critical type I interferon-JAK/STAT signaling circuit. Inhibition of this pathway reduces PD-1 levels on melanoma cells and efficacy of immune checkpoint therapy.
Van Andel Institute researchers identified two routes for acetyl-CoA production in immune cells, allowing them to maintain their function even when one pathway is impaired. This metabolic flexibility could inform tailored dietary strategies to augment existing cancer treatments and improve immunotherapies.
Researchers from Osaka University discovered that Ikaros binds to Foxp3 to inhibit the expression of target genes, including Ifng, in regulatory T cells. This interaction is crucial for maintaining immune homeostasis and preventing autoimmune disorders.
Researchers found that COVID-19 proteins can lower cortisol levels in the brain, leading to a heightened stress response and inflammation. The study suggests that this phenomenon may contribute to the neurological symptoms of Long COVID, including fatigue, depression, and memory problems.
Texas A&M researchers are investigating the use of extracellular vesicles to deliver immune-suppressing proteins, potentially reducing the immune system's attack on insulin-producing beta-cells. The goal is to develop a novel treatment for type 1 diabetes, which currently has only lifelong insulin therapy as an approved option.