Articles tagged with Macrophages
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Researchers at CNIO have discovered that macrophages, a type of immune cell, play a key role in activating hair follicle stem cells, promoting hair growth. This breakthrough could lead to the development of novel treatment strategies for hair loss and has broader implications for skin regeneration and cancer research.
Researchers at Brunel University London found proteins that disguise nanoparticles, allowing them to target cancer cells without causing inflammation. This discovery has potential for treating inflammatory diseases like Parkinson's and Alzheimer's, and glioblastoma brain tumors.
A new study reveals that macrophages induce neutrophil reverse migration to resolve inflammation in wounds. Without macrophages, neutrophils remain in wounds longer, leading to recurring infections and exaggerated inflammation.
Researchers have discovered a receptor that can be activated by bile acids to reduce inflammation in fat tissue, which is associated with type-2 diabetes. This breakthrough could lead to the development of new anti-diabetes drugs.
Researchers found that macrophages, thought to be HIV's long-term hideout, are actually short-lived in primate model. The study suggests that therapeutic strategies targeting infected macrophages could facilitate viral elimination.
Researchers found that beneficial immune cells originate in the embryonic heart and can promote regeneration, while harmful macrophages come from the bone marrow. Blocking the influx of bone marrow-derived macrophages protects the resident macrophages, allowing them to promote repair and reduce inflammation.
Researchers developed stealthy nanoparticles that successfully deliver cancer vaccines to a subset of macrophages deep inside lymph nodes, hindering tumor growth. The nanoparticles bypass circulating immune cells and enter the lymph nodes' core, where they are engulfed by special kind of macrophage.
Researchers discover how stem cells combat lung disease by targeting macrophages, reducing inflammation and improving bacterial clearance. This breakthrough brings hope for new treatments for acute respiratory distress syndrome (ARDS) patients.
Researchers identified Maresin-Ls, molecules that promote wound healing and reduce inflammation in patients with diabetes. The study restores reparative functions to diabetic macrophages, enabling better treatment of diabetic wounds.
Researchers found that macrophages from the lungs of old mice had different responses to infections than those of young mice, but these changes were reversed by ibuprofen. The study suggests that reducing inflammation with diet, exercise, and/or drugs may help prevent or reduce diseases in the elderly.
Macrophages play a crucial role in regulating intestinal movements, and their interaction with the nervous system is adaptable to changes in the bacterial environment. The discovery may lead to new treatments for irritable bowel syndrome (IBS).
Researchers discovered how a protein molecule in immune cells promotes nitric oxide production, a potent weapon against bacterial attack. The discovery highlights the importance of finding a balance between fighting infection and preventing tissue damage.
Research discovered that glucose is the major nutrient used by Salmonella bacteria, but it's also able to use other nutrients. This finding informs potential therapeutic interventions to combat Salmonella infections. The study reveals a wealth of strategies employed by Salmonella to overcome host defenses and evade immune systems.
Researchers have identified a potential new class of nonsteroidal anti-inflammatory drugs that target the mPGES-1 enzyme, which reduces oxidative damage and slows atherosclerosis in macrophages. This could lead to safer pain relief options without increasing heart disease risk.
A Mount Sinai study reveals that GM-CSF protein production is critical for maintaining immune tolerance in the gut, and its deficiency may lead to increased susceptibility to inflammatory bowel diseases. The research suggests that targeting the GM-CSF axis could be a promising strategy for developing effective treatments for IBD.
Researchers at NYU Langone Medical Center discovered that blocking Netrin-1 stalls chronic inflammation and insulin resistance, a link between obesity and type II diabetes. The study found that Netrin-1 signaling promotes macrophage buildup in fat tissue, leading to inflammation and insulin resistance.
Researchers at NYU Langone Medical Center found that blocking the action of a key signaling molecule, Netrin-1, stalls chronic inflammation and insulin resistance tied to obesity. This could lead to further advances against diseases such as type II diabetes and atherosclerosis.
Researchers found a decrease in classical blood monocytes and an increase in CD14hiHLA-DRdim macrophages, which drive inflammation in the disease. This discovery may lead to new therapeutic targets for Crohn's disease treatment.
Dr. Gyorgy Fejer has developed a method to create continuously growing macrophage cells in the lab from mice, reducing the need for live animals in research. This could lead to significant reductions in animal usage and improve research effectiveness.
Immunologists at the University of Bonn have disproved a long-held classification of immune cells, finding that macrophages can take on multiple forms. This discovery offers new hope for treating diseases such as arthritis, diabetes, and cancer.
Researchers at the University of Bonn have decoded a new immunoregulatory mechanism controlling defense in urinary tract infections. The mechanism involves two types of macrophages regulating neutrophils, with sentinel macrophages triggering an alarm and helper macrophages providing a safety mechanism to prevent collateral damage.
A study in mice reveals two major pools of immune cells that promote healing and drive inflammation in the heart. Healthy hearts maintain a population of embryonic macrophages, while adult macrophages are recruited during cardiac stress, leading to inflammation. The findings provide new insights into the complex interplay between these...
Researchers found that macrophage populations actively phagocytose tumor cells following monoclonal antibody treatment. Optimized therapies may enhance macrophage recruitment and activity to improve removal of circulating tumor cells in cancer patients.
Researchers developed a novel sugar-based tracer contrast agent to aid in the detection of inflamed and vulnerable artery plaques. The new tracer, fluorodeoxymannose (FDM), shows promise in targeting high-risk plaques more specifically than traditional glucose-based tracers.
Researchers have discovered that indoleamine 2,3-dioxigenase (IDO) can promote inflammation in response to infection, potentially leading to new therapeutic targets. By manipulating IDO's activity, scientists may be able to fine-tune the immune response and reduce cytokine storms associated with severe infections.
Scientists have found that macrophages invade the diabetic pancreas, producing cytokines that contribute to insulin-producing beta cells' elimination. This discovery may lead to development of tailor-made anti-inflammatory therapies to reduce type 2 diabetes burden.
In a groundbreaking study, researchers found that benign E. coli bacteria can evolve to become pathogenic within 500 generations or 30 days when confronted with macrophages. The bacteria adapted by developing resistance to being killed by immune cells and acquiring traits similar to those of deadly pathogens.
VIB researchers have identified a protein, Nrp1, that suppresses the anti-tumor activity of macrophages. Blocking Nrp1 restores this immune response, leading to reduced tumor growth and improved prognosis.
Researchers have identified how golden staph bacteria target and destroy key immune cells, disrupting the body's defense against infection. By visualizing this process using advanced microscopy techniques, the team gained insights into how golden staph evades the immune system and causes tissue damage.
Researchers discovered that S. aureus converts neutrophil extracellular traps into a toxic molecule, dAdo, which kills macrophages and allows the bacteria to avoid immune destruction. The study provides new insights into the mechanisms behind S. aureus infections and offers potential therapeutic targets.
A dysfunctional chemokine receptor, CXCR1, plays a crucial role in Candida infection progression. Mice lacking this receptor are prone to kidney failure due to Candida-induced injury. Additionally, patients with a mutation in the CXCR1 gene are at higher risk of developing candidiasis.
Researchers from Imperial College London have discovered how Mycobacterium tuberculosis tricks the immune system to establish persistent infections. They hope to develop small molecule drugs that can block or destroy the bacteria by targeting these sugar molecules.
A new study from Japan found that individuals with a history of kidney stones have significantly increased levels of inflammatory chemokines GRO and CXCL1, while those without kidney stones have higher levels of anti-inflammatory cytokine IL-4. This research may lead to the development of new therapeutic drugs for kidney stone formation.
Researchers at the University of Washington have developed a method to target and eliminate harmful macrophages that dampen the immune response to cancer. By depleting these 'traitor' immune cells, tumor growth is slowed and survival rates are improved in mice with cancer.
The researcher aims to establish permanently growing, alternatively activated M2 macrophage cell lines to reduce animal use in studies. This innovation could provide scientists with almost limitless cells for study without the need for live mice.
Salmonella bacteria can manipulate macrophages to switch from an inflammatory to anti-inflammatory state, promoting chronic asymptomatic carriage of typhoid fever. This mechanism could lead to new treatments for typhoid fever, a disease that causes hundreds of thousands of deaths each year.
Researchers at Massachusetts General Hospital found that macrophage proliferation within plaques drives the growth of atherosclerotic lesions. This challenges the previous assumption that monocytes are solely responsible for plaque development.
A new study from the University of Toronto and Massachusetts General Hospital found that macrophage growth inside arterial plaques is not reliant on external cells. This discovery may lead to alternative approaches to treating atherosclerosis, a leading cause of cardiovascular disease.
Researchers at Caltech have discovered a new mechanism for creating macrophages by increasing the accumulation of regulatory protein PU.1 through slowed cell division. The process involves an unexpected cycle where cell division slows, allowing higher PU.1 levels to accumulate and prompt macrophage generation.
Researchers found that macrophages help regulate corpus luteum development during embryo implantation, which is essential for successful pregnancy. The absence of macrophages can lead to infertility due to disrupted hormone levels, but restoring them or administering hormones can correct this issue.
Macrophages are essential for producing progesterone, a crucial hormone for embryo implantation. Insufficient macrophages lead to poor embryo implantation and miscarriage. Treatment with progesterone can reverse the effects of reduced macrophage levels.
Researchers found that macrophages are essential for embryo implantation in the uterus. The absence of these cells leads to reduced hormone levels, causing embryos to fail to implant. Restoration of macrophage function or hormone replacement therapy can revive pregnancy, shedding new light on a potential cause of infertility.
Researchers found that DHA is converted into maresin 1 (MaR1), which inhibits inflammation and shifts macrophage phenotype, providing a potential lead for new drugs to treat chronic inflammation.
Researchers have discovered that genetically engineered immune cells can promote healing in mice infected with a neurological disease similar to multiple sclerosis. The new finding suggests that immune cells could be engineered to create a new treatment for people with MS.
Researchers at Temple University School of Medicine found that synthetic anti-inflammatory substances related to marijuana's active ingredient can attenuate HIV replication in macrophages. This discovery could lead to new drug therapies for HIV/AIDS, leveraging the human immune system's natural defenses.
Researchers found that stimulating the CB2 receptor in white blood cells weakens HIV-1 infection. Synthetic compounds may make current therapies more effective and provide protection against certain complications. The discovery holds promise for fighting other viral diseases.
Researchers found that excess tumor necrosis factor production initially kills TB pathogens, but later encourages their growth. Certain drug combinations can reverse this effect, potentially reverting hypersusceptibility to hyperresistance.
Researchers found that age-related macular degeneration shares a common link with atherosclerosis due to impaired cholesterol efflux in macrophages. The study suggests that cholesterol-lowering eye drops or other medications could prevent vision loss caused by macular degeneration.
A study published in Cell Metabolism suggests that targeting cholesterol metabolism in the eye may prevent severe age-related macular degeneration. Researchers found that macrophages play a key role in clearing cholesterol from the eye, and that with aging, these cells become less efficient at this task.
Two studies by Weill Cornell Medicine researchers propose new treatments for beta-thalassemia, HFE-related hemochromatosis, and polycythemia vera. The discovery reveals a crucial role of macrophages in regulating iron production and red blood cell production, offering new avenues for therapy.
A team of medical researchers has identified a specific microRNA, miR-342-5p, that plays a key role in promoting inflammation in atherosclerosis. Inhibiting this microRNA has been shown to retard the progression of the disease in animal models.
Researchers have found that macrophages help produce and eliminate red blood cells, which could lead to novel therapies for diseases affecting red blood cell balance. The study also showed that eliminating certain macrophages can normalize abnormal red blood cell counts in conditions like polycythemia vera.
A potentially lethal fungal infection can anticipate and disarm the host's immune attack by sequestering copper, shutting down copper pumps in macrophages. This study opens new options for drug development to target the fungus's detoxification machinery.
Penn researchers create a protein 'passport' that allows nanoparticles to bypass the immune system, facilitating targeted drug delivery and implant device functionality. The innovative approach could improve treatment efficacy by reducing inflammation and prolonging nanoparticle retention.
Researchers found that vitamin D3 and omega-3 fatty acids improved the immune system's ability to clear amyloid plaques from the brain. The study identified key genes and signaling networks regulated by these substances, which may help control inflammation and improve plaque clearance.
Researchers discovered a signaling pathway in macrophages that detects escaping bacteria and activates an enzyme to trigger self-destruction, protecting against lethal infections. The caspase-11 detection pathway protects mice from infection with Burkholderia species, including the potentially deadly B. pseudomallei.
A new study published in The American Journal of Pathology found that topical application of simvastatin significantly accelerates wound healing in diabetic mice by increasing angiogenesis and lymphangiogenesis. This is attributed to the increased number of infiltrating macrophages producing VEGF-C, suggesting a simple strategy with po...
Researchers at Scripps Research Institute have discovered new selective inhibitors of diacylglycerol lipases (DAGL), enzymes involved in making 2-AG, a key cannabinoid. Early tests suggest these compounds may also reduce pro-inflammatory molecules linked to rheumatoid arthritis, potentially leading to new therapeutic approaches.
A recent study has revealed the existence of a rare sub-group of activated immune cells that act as bodyguards to protect stem cells from premature differentiation. These macrophage cells secrete prostaglandins, which delay differentiation and preserve the youthful state of the stem cells.
A study published in The Journal of Cell Biology identifies a motor protein that helps HIV replicate in macrophages. KIF3A drives the virus along microtubules, facilitating its release from these cells. Inhibiting KIF3A may provide a new strategy for combating HIV.