Articles tagged with Monocytes
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Researchers developed new chemical probes to track individual enzymes, enabling direct measurement of protein activity and correcting prior limitations. This allows for a clearer picture of molecular logic in cells undergoing programmed cell death, potentially informing drug discovery.
A big data study has identified a specific molecular state of immune cells as associated with the severity of fatigue and respiratory symptoms in Long COVID patients. This finding offers exciting starting points for further research into genetic risk factors and individualised medicine.
A study by University of Arizona researchers reveals a previously unknown population of circulating immune cells that play a critical role in fibrosis, the buildup of scar tissue. Blocking signals from these cells during wound healing can reduce scar tissue formation and promote normal healing.
In acute liver failure and cirrhosis, adrenomedullin increases in circulating monocytes, while adrenomedullin binding protein decreases, leading to a pro-inflammatory phenotype. ADM restores MerTK expression after LPS stimulation, promoting a pro-restorative function.
A study reveals that metal-organic frameworks (MOFs) can be toxic to mice, causing disruptions in blood cell formation and immune balance. The researchers found that the MOFs suppressed production of certain cells but also triggered a rebound effect, leading to increased inflammation.
Researchers from Radboud University Medical Center found that an existing drug can revive immune cells paralyzed by sepsis, a leading cause of death in ICUs. The study provides new perspectives for the treatment of sepsis and may lead to potential treatments for patients with immune paralysis.
Researchers found that mRNA-based COVID-19 vaccines cause persistent epigenetic changes in monocyte-derived macrophages, enabling a sustained immune response. These changes were preserved for six months after vaccination and required multiple doses to maintain long-term immunity.
A recent study from IR Sant Pau investigates the peripheral immune system's role in amyotrophic lateral sclerosis (ALS) at the single-cell level. The research found altered NK cell subpopulations associated with ALS progression, suggesting a potential target for new therapies.
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.
A new study found that the heart sends signals to the brain to increase sleep after a heart attack, promoting healing and reducing inflammation. This communication between the heart and brain is mediated through the immune system and can lead to improved recovery and reduced risk of further cardiovascular events.
A new study found that mTORC1 activity correlates with classical biometrics, such as height and macrocephaly, as well as specific neuropsychiatric diseases like anxiety and autism. The research suggests that human variability of mTORC1 gain of function may predict medication response.
Researchers study T cells and monocytes interaction in the meninges before they attack the brain and spinal cord, potentially leading to new disease progression targets. The findings could provide a pathway to treating other neurological diseases like Alzheimer's and Parkinson's.
Bonn researchers decode the interaction between monocytes and platelets, revealing a new intercellular communication mechanism that regulates monocyte function. This discovery has implications for treating immune disorders such as immune thrombocytopenia and other inflammatory diseases.
Researchers found that high blood levels of saturated fatty acids, particularly palmitate, cause pre-activation of innate immune cells in obese non-diabetics. This leads to elevated inflammatory molecules when infected with SARS-CoV-2, increasing the risk of severe COVID-19.
Scientists from Tokyo Medical and Dental University have created Opto-RANK, a light-activated form of RANK that can induce osteoclast differentiation. The treatment approach uses blue light activation to stimulate local bone resorption, making it a promising tool for treating abnormal calcification diseases and orthodontic issues.
Researchers at UVA Health discovered a potential blood test to predict patients with severe COVID-19 who are likely to recover well and those at risk of long-term lung problems. The study found that patients with late-resolving symptoms had fewer immune cells in their blood, correlating with symptom severity.
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.
A research team has discovered a novel mechanism by which stress affects the brain, revealing a potential new pathway for treating depression. Stress increases the production of MMP-8, an enzyme that alters neuron function and leads to behavioral changes.
Researchers at Mount Sinai Hospital have discovered that circulating immune cells can be drawn to the brain during stress and alter emotional behavior. The study found that these immune cells release an enzyme called MMP8, which breaks down proteins in the brain and impairs social behavior.
A new clinical trial has shown that infusing immune cells from living donors into recipients before transplantation may reduce the need for lifelong immunosuppressant medication. The treatment involves infusing donor-derived regulatory dendritic cells, which help the recipient's immune system distinguish between foreign and self-cells.
Researchers found that Dectin-1 stimulation induced a unique immune signature in HIV-positive older adults, characterized by increased levels of IL-12, TNF-α, and IFN-α. This signature may contribute to the pro-inflammatory environment associated with HIV and aging.
A NIH-funded study found that severe COVID-19 can cause lasting changes in the innate immune system, boosting inflammatory cytokine production and leading to chronic inflammation. Early treatment with IL-6 inhibitors may help mitigate these effects.
Researchers found that cancer cells prevent surrounding cells from fighting tumors, but medication can reverse this process. Metastatic tumor cells retain cellular plasticity and change gene expression based on the neuroblastoma genetic subtype.
A cell therapy using myeloid cells bound to drug delivery microparticles reduces disease burden in a preclinical multiple sclerosis model. The therapy partially reverses hind limb paralysis and improves motor functions.
A new study confirms that HIV can persist in myeloid cells for months to several years, even in virally suppressed individuals. The findings suggest that these cells contribute to a long-lived HIV reservoir and may be an important target for cure efforts.
Scientists have identified monocytes, a type of white blood cell, as a potential target for eliminating HIV infections. A new study found that monocytes can harbor stable HIV genomes, which may provide a new direction for efforts to improve therapies and eventually cure the disease.
Researchers have discovered that Yersinia pseudotuberculosis triggers the formation of granulomas in the intestines to control bacterial infections. Monocytes play a crucial role in recruiting neutrophils and launching the formation of these immune cells, which help combat the infection.
A recent study published in Immunity found that skipping breakfast can lead to a decline in immune cells and an increased risk of heart disease. The research showed that fasting triggers a stress response in the brain, which negatively affects immune cells.
Researchers at Linköping University discovered that COVID-19 patients experience negative impacts on their immune cells six months after infection. The study highlights a connection between disease severity and immune cell dysfunction, suggesting the need for early antiviral treatment to prevent prolonged inflammation.
Langerhans' Cell Histiocytosis (LCH) is a serious disease affecting children that can be fatal in severe cases. Researchers have identified the origin of LCH cells, which are derived from both dendritic and monocyte cells.
A study found that high-fat diets fuel the creation of inflammatory immune cells in mouse bone marrow. These cells can later invade fat tissue, leading to insulin resistance and other complications associated with obesity. The bone marrow's sensitivity to environmental changes plays a crucial role in this process.
Buck scientists introduce mechanoimmunology, a new discipline that explores the role of physical forces in immune cell responses. The study reveals that mechanical cues tune immune cell behavior, potentially leading to new treatments for various disorders.
Researchers at the Snyder Institute have identified a promising new approach to treating bacterial skin infections, revealing that monocytes play a crucial role in wound healing. The study highlights the importance of metabolic hormones like ghrelin and leptin in regulating blood vessel growth and tissue repair.
A new study has shown that the TB vaccine can produce a long-lasting 'trained immunity response' in infants, lasting more than 14 months after vaccination. The research found that the BCG vaccine's off-target effects on the immune system can lead to reprogramming of genes in a specific blood cell type, known as monocytes.
Researchers at the University of Liège discovered that Ly6C hi monocytes orchestrate balance between cytotoxic and regulatory properties of CD4 T cells. This understanding opens new therapeutic avenues for managing severe immunopathologies associated with respiratory viral infections.
A recent review article highlights the crucial role of macrophages in the progression from acute kidney injury (AKI) to chronic kidney disease (CKD). The study suggests that targeting specific signaling pathways and altering macrophage activation can prevent renal fibrosis and CKD. Therapeutic strategies such as clodronate liposomes an...
Researchers have identified lung-infiltrating monocytes as the key immune cells driving COVID-19's inflammatory complications. The study suggests that targeting these cells with remdesivir and baricitinib can enhance antiviral signaling and viral clearance, potentially improving patient outcomes.
A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
Researchers found that normal-appearing lupus skin contains the same inflammatory signals as skin with rashes, suggesting a primed state for inflammation. The study's findings provide new insights into how UV light triggers rashes in lupus patients and highlight the potential for precision medicine in treating the disease.
A study led by Boston Children's Hospital researchers found that COVID-19 causes severe inflammation through infected immune cells. Antibodies developed during infection may sometimes contribute to inflammation.
Researchers at UConn Health found that deleting TRPM2 from macrophages in mice reduced atherosclerosis by inhibiting the TRPM2–CD36 inflammatory axis. This approach prevented foamy macrophages and alleviated inflammation in arteries.
Researchers discovered that Candida albicans stimulates human immune cells to release microRNAs, triggering increased fungal growth. The fungus exploits human immune defenses by releasing signal molecules recognized by special immune cells.
Researchers found that higher monocyte counts are linked to early signs of injury and scarring on lung imaging among community-dwelling adults. This suggests that hyperactive monocytes may contribute to lung injury at the early stages of interstitial lung disease.
Researchers have discovered a new method to predict heart attacks by analyzing the gene expression of foamy macrophages, revealing a person's cardiovascular health. The study found that foamy cells can be both beneficial and detrimental depending on their behavior in individuals with certain conditions.
A study published in Cell Reports reveals that LPS protects against developing asthma when combined with allergens containing cysteine protease enzymatic activity, but promotes development when paired with allergens lacking this enzyme. This protective effect relies on the production of GM-CSF by non-classical monocytes.
New research reveals how genetic variations impact COVID-19 case severity, focusing on non-classical monocytes and their role in the immune response. The study identifies potential targets for therapies to boost immune cell function and improve disease outcomes.
Researchers found a correlation between high levels of Gas6 and zika-induced neurological complications. Gas6 helps the virus invade human cells, facilitating viral replication and aggravating infection. The discovery paves the way for future research on developing drugs to combat the virus.
Researchers identified that macrophages from different types of monocytes respond to inflammation in opposing ways, with CD14+monocytes being more prone to a pro-inflammatory response. This could lead to targeted activation of macrophages for cancer treatment by choosing the most suitable monocyte subset.
A recent study led by Kyushu University reveals that chronic kidney disease induces heart inflammation through dysfunctional white blood cells. The researchers found that elevated levels of vitamin A disrupt the circadian clock in these cells, leading to increased expression of a protein called GPR68.
Researchers at Gladstone Institutes have adapted CRISPR-Cas9 technology to edit human monocytes, a type of white blood cell that plays key roles in the immune system. The study shows the potential utility of gene editing for understanding how the human immune system fights viruses and microbes.
Researchers at Tokyo Medical and Dental University developed an antibody-drug conjugate that selectively targets human monocyte progenitors to combat chronic myelomonocytic leukemia (CMML). This strategy effectively blocks malignant cell proliferation with minimal collateral damage to other cell lineages.
Researchers at Karolinska Institutet have discovered a key role of monocytes in sarcoidosis, revealing they can be potent TNF producers and predict disease outcome. This breakthrough opens possibilities for identifying biomarkers and more effective treatment strategies, potentially reducing cases of chronic sarcoidosis.
New research from Karolinska Institutet reveals the development of lung macrophages, immune cells that can protect or harm lungs. Classical monocytes migrate into airways and lung tissue, becoming protective macrophages, while non-classical monocytes develop into pro-inflammatory macrophages.
Researchers at Radboud University Medical Center discovered hydroxychloroquine inhibits a type of white blood cell important in the first line of defense. This suggests hydroxychloroquine may have no beneficial effect on clearing viral infections, including SARS-CoV-2.
Researchers at UVA Health System discovered that many microglial cells originate from blood monocytes, which transform into troops to defend the brain after infant strokes. This finding sheds light on the development of brain's immune defenses and has implications for understanding newborn brain injury.
Researchers have discovered that patients with breast cancer develop alterations in monocytes, a type of leukocyte, early in the disease course. This finding paves the way for enhanced diagnosis and treatment of breast cancer, potentially allowing for earlier identification of aggressive tumors and personalized immunotherapy strategies.
Researchers have identified a promising new target for multiple sclerosis therapy by focusing on monocytes rather than T and B cells. By targeting the Cxcl10+ monocyte subset, disease symptoms in mice were significantly improved, suggesting potential preventive measures against MS side effects.
Scientists studied monocytes in young and elderly individuals, finding that energy production decreases and inflammation markers increase with age. This research provides a foundation for understanding age-related changes and potential solutions to slow down vascular calcification and atherosclerosis.
A study from University of California - San Diego outlines a fundamental process for liver macrophage specialization, enabling future research into macrophage malfunction's contribution to liver disease. The team identified key genetic and molecular changes that occur during the two-week differentiation process.
Researchers found that remote ischemic limb conditioning increased inflammatory cells in circulation, reducing brain tissue damage and swelling while improving motor function. The technique has potential for treating strokes of varying severity, offering hope for improved recovery outcomes.