Articles tagged with Immunological Memory
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Researchers found that microglia's immune response to inflammation can create a 'memory' that worsens Alzheimer's and stroke. The study suggests that environmental factors could trigger long-term changes in the brain's immune cells, leading to increased disease severity.
A new study has identified a specific structure within memory cells that enables them to respond rapidly to infections and vaccinations. This discovery sheds light on how the body remembers disease-causing pathogens and can react more quickly upon renewed exposure.
Researchers at Monash University have identified a novel molecular 'blueprint' that enables the immune system to fight disease by 'remembering' past infections. This discovery potentially opens new avenues for improving vaccines and therapies, including those targeting cancer and autoimmune diseases.
A recent study reveals that innate lymphoid cells (ILCs) compete with T cells for a shared source of interleukin-7 (IL-7), a protein essential for their survival. This competition sheds light on the complex phenomenon of homeostasis, which supports the long-term survival of immune cells.
Researchers at Tel Aviv University have discovered a brain mechanism that enables more efficient multitasking by reactivating learned memories. This process prevents interference from competing tasks and can improve learning and memory functions in daily life.
Studies reveal that genes involved in immune regulation are linked to brain thickness and memory functions, particularly emotional experiences. A specific gene variant is also associated with increased activity in regions of the brain important for traumatic memories.
Researchers identify genes involved in lipid uptake as critical for TRM cell function, revealing a key dependency on fatty acids. Targeting these lipids could enable selective removal of TRM cells, offering new therapeutic opportunities for autoimmune diseases.
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.
Researchers at Ohio State University found that sustained stress impairs memory and cognitive function in mice, with inflammation caused by the immune system being a key factor. The study suggests potential targets for pharmacological or behavioral treatment to interrupt inflammation and improve memory.
Scientists have discovered a mechanism by which the immune system retains a 'memory' of past infections, allowing for a quick and successful response upon future encounters. The study found that T cells leave behind imprints on chromosomes, enabling the immune system to rapidly respond to recurrent infections.
Scientists at Virginia Tech Carilion Research Institute have found a way to influence long-term memory formation in the immune system. The researchers discovered that proteins responding to the cells' environment can push effector cells towards memory, leading to the creation of specialized cells to combat specific invading pathogens.
Researchers propose that deep sleep strengthens immunological memories of previously encountered pathogens, enabling adaptive responses. Studies show that slow-wave sleep contributes to the formation of long-term memories of abstract information.
Researchers have discovered that epigenomic changes induced by pathogen infections, mediated by a transcription factor called ATF7, are the underlying mechanism of innate immunological memory. This finding could increase our understanding of the hygiene hypothesis and lead to the development of more efficient vaccines.
A new study reveals that measles can suppress the immune system for up to three years, making children highly vulnerable to other infectious diseases. The research, published in Science, provides epidemiologic evidence that measles attacks immune memory cells, leading to a state of 'immune amnesia'.
Researchers have discovered a new role for the Cas9 enzyme in bacterial immune systems, revealing how bacteria form memories of past viral threats. By analyzing the interactions between Cas9 and other enzymes, scientists have gained insight into the mysterious process by which bacteria encode viral DNA in their genomes.
Researchers at USC's Keck School of Medicine have identified a promising avenue for treating Alzheimer's disease by rebalancing the immune response to clear toxic plaques from the brain. The study found that blocking a specific substance can activate an immune response to restore memory loss and brain cell damage.
A new TSRI study explains how booster shots prompt immune memory to improve, a crucial step toward longer-lasting vaccines. The research demonstrates how immune cells evolve and adapt to recognize viruses, leading to more diverse and effective antibody responses.
Researchers at The Geisel School of Medicine discover that changes in metabolism, mediated by the HIF1α pathway, are critical for trained immunity. This finding has potential implications for preventing and treating inflammatory diseases and enhancing vaccine efficacy.
A UCI study reveals that brain inflammation can severely impact the ability to retrieve complex memories, but not simpler ones. Researchers found that immune system signaling molecules called cytokines disrupt communication among neurons in the hippocampus, leading to impaired discrimination memory.
Researchers found that memory cells arise directly from effector cells through a signaling molecule called Bcl-6. This discovery could lead to more effective vaccine development by strengthening the immune system's ability to respond to recurring pathogens.
Researchers identified central memory T cells as multipotent and self-renewing, generating diverse types of offspring to fight infections. This discovery has implications for clinical cell therapy and may improve the efficacy of immune-based treatments for cancers and other diseases.
A new study published in PeerJ found that fighting off illness rather than the illness itself causes sleep deprivation and affects memory. The research used flies to show that the immune system can cause problems with sleep and memory, even when there is no infection present.
Researchers have identified the role of the STAT3 gene in immune system memory, revealing how it directs chemical messenger molecules to various destinations. This discovery sheds light on a rare immunodeficiency disorder and may lead to improved vaccines and treatments.
Joshua Obar has been honored with the ICAAC Young Investigator Award for his groundbreaking research on immunological memory responses. His work focuses on understanding how latent viral infections affect CD8 T cells and the formation of immune memories.
Scientists chart individual T cells' fates to better understand immune response modeling and manipulation. They found that a sample of at least 50 individual cells is needed to generate a predictable immune response.
Researchers found that healthy adults acquire a memory of microbes they've never encountered before, which could explain childhood vulnerability and vaccination effectiveness. This discovery challenges the long-held assumption that immune memory only develops upon exposure.
Researchers at Albert Einstein College of Medicine discovered a new 'first response' mechanism that the immune system uses to respond to infection, challenging current understanding of immunity. This fast-acting immune response is orchestrated by inflammatory monocytes and can provide immediate protection against microbes.
Researchers found that miR-122 modulates fat and cholesterol metabolism and has a tumor suppressive function in hepatocytes. A mouse model with MiR-122 loss of function also promoted breast tumor growth by differentially regulating ERα and ERβ.
Researchers at the Peninsula College of Medicine and Dentistry have identified a key player in the immune system that may protect against Alzheimer's changes. The CCR2 gene was found to be associated with memory in people, suggesting that strengthening this part of the immune system could slow the disease.
Researchers found that a specific gene, CCR2, associated with immune activity is linked to memory and cognitive function in people. This discovery could lead to new approaches to slowing or preventing Alzheimer's disease.
UCSF researchers found that tissues can remember and activate T regulatory cells to defend against autoimmune diseases. The discovery may lead to new strategies for fighting autoimmunity and preventing transplant rejection.
A new study by Duke neuroscientists identifies the source of learning difficulties as an overactive immune response, triggered by early-life infections. The researchers found that specialized immune system cells in the brain called microglia release a signaling molecule called Interleukin-1, which can impair learning and memory.
Researchers at the La Jolla Institute identified a previously unknown mechanism generating protective immune memory cells to fight recurring infections at mucosal linings. This discovery could lead to the creation of new and more effective vaccines by triggering the newly identified mechanism, particularly for Listeria and HIV.
Researchers have discovered that innate immune cells can form a type of 'memory' that protects against viral infections. This finding has significant implications for the design of future vaccines, particularly for HIV. The study found that natural killer cells can recognize and respond to viruses more effectively after previous exposure.
Researchers from the Walter and Eliza Hall Institute have discovered a new cell survival protein, Mcl-1, essential for creating and maintaining B cell memory. This finding contradicts existing theories and has implications for cancer treatment and autoimmune disease.
Researchers at Sanford-Burnham Medical Research Institute have identified a new function of the CD44 receptor, which helps specific T helper cells develop immunologic memory. This discovery could lead to the development of therapies to control disease pathology in various infections and autoimmune conditions.
Researchers at Scripps Research Institute have discovered a potential new way to stimulate the immune system to prevent or clear a viral infection by blocking a key protein in mouse immune systems. This approach may enhance the effectiveness of human vaccines designed to prevent viral infections.
Dr. Masopust's work on immunological memory of bacterial and viral pathogens has transformed the field of memory T cell biology. His research demonstrated functional differences between lymphoid and non-lymphoid CD8 memory T cells.
Researchers found that flies' primitive immune systems can adapt and retain memory of an earlier infection, contradicting the long-held dogma. This discovery raises possibilities for developing human vaccines, especially for people with compromised immune systems.
A team of researchers identified a protein, Lck, that plays a crucial role in stimulating immune cells to recall past encounters with pathogens, enabling quick responses to reinfection. This discovery may aid in the development of vaccines against diseases like AIDS and autoimmune disorders.
Researchers have discovered that C-myc, known as an oncogene, acts downstream of IL-15 signaling to regulate T memory cell homeostasis. This finding has implications for future therapies and highlights the importance of preserving a gene's role in normal processes.
A study by Ohio State University researchers found that short bouts of social stress improved the ability of mice to recover from the flu. The stress boosted the production of specialized immune cells called T cells, which fight viruses. This finding may lead to more effective flu vaccines for older adults.
Researchers found that active stress from a memory task increased the concentration of immune proteins in saliva, while passive stress from watching gruesome videos lowered it. The study suggests that engaging with challenges at work can boost immunity.