Articles tagged with Inflammatory Signaling
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A team of UC Santa Cruz researchers has identified a peptide in human RNA that plays a crucial role in regulating inflammation. The discovery provides a promising target for developing new treatments for inflammatory diseases such as arthritis and lupus.
The STING signaling pathway is crucial in mediating hepatic inflammation and metabolic disturbances in nonalcoholic fatty liver disease. High-fat diet-induced NAFLD is associated with increased STING activity, leading to enhanced pro-inflammatory cytokine production.
Researchers at UCLA Health have developed a potential biomarker for stroke risk using a network of inflammatory molecules in the blood. The study, published in the journal Stroke, found that patients with higher concentrations of these molecules had an 84% chance of experiencing a stroke during their lifetime.
The study reveals that TM4SF19 protein inhibits a pump in lysosomes, impeding macrophage clearance of dead cells. Macrophages lacking TM4SF19 demonstrate enhanced efficacy in clearing dead adipocytes, reducing weight gain and metabolic dysfunction. The findings may open new avenues for treating obesity and related metabolic disorders.
A new testing protocol combining clinical history with multiple home stool tests could significantly speed up diagnosis of inflammatory bowel disease (IBD) by reducing the need for unnecessary colonoscopies. Serial faecal calprotectin tests were found to strongly predict possible IBD, Crohn's Disease, and Ulcerative Colitis.
A USC study reveals that SARS-CoV-2 causes a stage of mild symptoms followed by severe inflammation in some patients. The virus exploits two different pathways to interact with immune cells, one leading to inflammation and the other preventing it.
University of Calgary researchers found that communication between the lungs and brain triggers symptoms of sickness, changing treatment approaches for respiratory infections and chronic conditions. The study also suggests targeting neurological pathways alongside antibiotics to combat infections.
Scientists discovered a novel mechanism for removing mtDNA from mitochondria, which can initiate an immune response promoting inflammation. The discovery reveals new targets for therapeutics to disrupt the inflammatory pathway and mitigate inflammation during aging and diseases.
Researchers discovered two new genetic pathways associated with worse ICH outcomes, including a pathway affecting blood coagulation and cellular interactions. Population data showed a decrease in aneurysmal SAH strokes and a rise in non-aneurysmal subarachnoid hemorrhages, offering encouraging evidence for intervention success.
Researchers provide new insights into STING's function in innate immunity, revealing its role as a scaffold that activates TBK1. They also found that cholesterol plays a crucial role in STING clustering and activation, offering a potential target for treating diseases associated with STING inflammation.
Researchers have found that a specific pathway, cGAS-STING, is unleashed to prevent cancer formation by detecting DNA damage within cells. The discovery reveals the 'key' to unleashing this pathway, which can potentially reactivate it to treat and prevent breast cancer development.
Researchers have gained a deeper understanding of the nuanced roles of JAK inhibitors in inflammation across various cell types and tissues. The study reveals that activating JAK1 signaling has tissue-specific effects, including an unexpected immunoregulatory role in lung sensory neurons, which suppresses lung inflammation.
Research suggests visfatin stimulates membrane raft clustering, leading to NLRP3 inflammasome activation and podocyte injury. The study highlights the role of membrane raft redox signaling in visfatin-induced inflammation and kidney damage.
A recent study found that transient inflammatory pain causes persistent mitochondrial and metabolic disturbances in sensory neurons, leading to failure in pain resolution. Targeting the cellular redox balance prevents and treats chronic inflammatory pain in rodents.
The Cusack group at EMBL Grenoble has provided insights into the interactions of XIAP and RIPK2 molecules involved in gut signalling pathways. This research sheds light on how these molecules interact, revealing a promising drug target for treating inflammatory bowel diseases.
A recent study found a compelling link between vitamin B12 deficiency and chronic inflammation, which can lead to various health problems. The research revealed an inverse relationship between vitamin B12 levels and inflammatory markers in humans and mice, suggesting that higher vitamin B12 levels may lower inflammatory markers.
Researchers found that administering precursors of Elovanoids improved neurological deficit in an experimental model of ischemic stroke. The study identified a cascade of gene responses and sheds light on potential new therapeutic avenues for treating ischemic strokes.
Researchers discovered a cell signaling pathway that allows effector memory T cells to drive innate cytokine storms in autoimmune diseases. Targeting the STING pathway may prevent inflammation chain reactions, offering new hope for treating conditions like type 1 diabetes and rheumatoid arthritis.
Researchers at EMBL Grenoble have obtained the first structure of p38α being activated by MKK6, opening up new directions for developing drugs to stop cytokine storms. The inflammatory response is triggered by a series of kinases, and inactivating p38α could prevent inflammation from occurring.
A study published in Brain, Behavior, and Immunity found that inflammation-related genes play a significant role in depression. The researchers discovered correlations between immune-related genes, DNA methylation patterns, and brain structure abnormalities in patients with major depressive disorder.
Researchers have deciphered a biochemical mechanism explaining how cortisone preparations mediate inflammation-resolving effects in human immune cells. Cortisone influences enzymes involved in the formation of inflammation-resolving messenger substances, inducing resolvins early but impairing function later.
A new study found that high-stress caregivers had higher klotho levels and longer telomeres in specific immune cells, which may provide protection against aging. In contrast, low-stress caregivers showed no significant associations between klotho levels and telomere length.
Scientists have identified a molecule that regulates nerve cell sensors, which could lead to new therapeutics for obesity, osteoporosis, and inflammatory diseases. The molecule can be modified into peptide-based therapeutics to boost the activity of channels involved in bone strength and satiety.
Researchers at La Jolla Institute for Immunology and Augusta University have identified a link between
Researchers found that inhibiting NLRP3 signaling reduces podocyte senescence, improves lifespan, and slows down healthy podocyte aging in mice. This discovery holds promise for treating age-related kidney diseases.
A recent study found that the cGAS/STING molecular signaling pathway plays a critical role in driving chronic inflammation and functional decline during aging. By blocking STING, researchers were able to suppress inflammatory responses and improve tissue function, leading to enhancements in spatial and associative memory.
A team of researchers identified a specific subtype of complement-producing macrophages in atherosclerotic lesions that exacerbate plaque necrosis and cardiovascular events. The study suggests a potential therapeutic target to control complement activation within cells, which may also apply to other chronic inflammatory diseases.
A multidisciplinary team of scientists has revealed the existence of a brain circuit involved in sensing and regulating inflammation. The circuit detects inflammatory hormones in the blood and organizes the immune response through the vagal complex and parabrachial nucleus.
Researchers identified a new class of molecules capable of preventing excessive inflammation in severe COVID-19. Blocking the link between peptide C5a and its cellular receptor reduced lung damage and other complications in mice. This finding suggests that antagonists of C5aR1 could be useful for treating severe COVID-19.
Researchers at UC Riverside discovered that female mice secrete more RELMalpha, an immune protein, which protects them against obesity and inflammation. In contrast, male mice have lower levels of RELMalpha, leading to increased inflammation and obesity.
A groundbreaking study has uncovered potential treatments for inflammatory disorders by targeting specific receptors involved in the immune response. Researchers created mimetic peptides that successfully reduced inflammation in human immune cells and provided significant protection against toxic shock in mice.
Researchers at Max Delbrück Center developed a new model of the brain using human stem cells, which showed promise in treating HSV-1 induced encephalitis. By combining an anti-viral with an anti-inflammatory drug, they were able to prevent tissue damage and promote recovery.
A new study published in Aging-US has identified the p53-p16/RB-E2F-DREAM complex as a critical regulator of cellular senescence. The researchers found that this complex represses multiple target genes involved in cell cycle regulation, DNA repair, and chromatin structure, leading to the stability of the senescent arrest.
A new study shows that saracatinib reduces inflammation in patients with atherosclerotic cardiovascular disease by more than 90% and boosts genes that help clean up plaque deposits. The experimental cancer drug may offer an effective therapy for cases where standard treatment fails to help.
A team of researchers has identified TAK1 as a regulator of skeletal muscle mass, slowing down disease progression and improving muscle function in Duchenne muscular dystrophy. By targeting this protein, they can suppress muscle fiber death and enhance myofiber growth, offering a promising new approach to treatment.
Scientists have identified a specific gene mutation that triggers an inflammatory cascade, driving the development of treatment-resistant cancers. The study reveals a molecular circuitry by which mutations in the STK11 gene cause inflammation to spiral out of control.
Researchers at Mount Sinai have discovered a previously unknown way in which the brain and immune system interact in multiple sclerosis. They found that the inflammatory protein interleukin-3 (IL-3) coordinates this communication, inciting the recruitment of immune cells to the brain and exacerbating brain inflammation.
Researchers found that IL-6 signaling in allergen-specific T cells was needed to suppress commitment to the harmful Th2 lineage. SOCS3 upregulation by IL-6 inhibits JAK/STAT internal signaling pathway, preventing Th2 cell priming.
Scientists discovered that inhibiting microRNA-141-3p can reduce chronic inflammation, muscle loss, and bone degradation in aged mice. By blocking this tiny RNA, researchers found improvements in the spleen's immune response, lower levels of pro-inflammatory proteins, and a more youthful profile in bones and muscles.
Researchers found that p21 knockout mice experienced reduced senescent cell presence, alleviated chronic lung inflammation, and improved fitness. Resident epithelial and endothelial cells played a significant role in mediating the p21-dependent inflammatory response.
A UC Riverside-led study found that reduced PTPN2 activity in intestinal epithelial cells leads to decreased Paneth cell antimicrobial peptide production, disrupting the gut microbiota and increasing E. coli. This loss can serve as a marker of IBD disease.
Studies found that certain T cells in human blood can produce acetylcholine, regulating blood pressure and inflammation. Higher levels of these immune cells were associated with reduced risk of death in seriously ill patients.
A recent study found that heavy alcohol use changes signaling pathways in the brain, affecting cognitive functions like decision-making and impulse control. The mechanism involves the brain's immune system and the molecule interleukin 1β, which regulates inflammation and neurotransmitter release.
A new study found that loss of Menin in the hypothalamus drives physiological aging in mice, including cognitive decline and reduced lifespan. However, supplementation with the amino acid D-serine reversed these age-related changes, improving skin thickness and bone mass.
Researchers at Kyoto University found that neutrophils instruct macrophages to form a bacteria-permissive microenvironment, which could have implications for cancer treatment. The study suggests that A9, an enzyme expressed in neutrophils, may play a key role in this process.
A Scripps Research team has found that heavy alcohol consumption increases brain inflammation, leading to changes in signaling pathways and behavior. The study suggests a potential new drug target for treating alcohol use disorder by targeting the interleukin-1β pathway.
Researchers identified microglia as key players in chemo brain inflammation, suggesting a potential target for treatment. In a mouse study, deleting microglia restored memory and lowered brain inflammation after paclitaxel treatment.
A recent study found that metformin users had distinct DNA methylation profiles compared to non-users, potentially revealing its role in longevity. The research identified several pathways related to delirium and aging, highlighting the need for further investigation into metformin's mechanism of action.
Researchers at the University of Virginia Health System have identified a vital contributor to hyperactive immune responses and neuroinflammation in multiple sclerosis. Blocking this regulator alleviated harmful inflammation in lab mice, suggesting a potential therapeutic target for new treatments.
Researchers from Tokyo University of Science discovered β-damascone, a natural aroma compound found in rose fragrance, modulates dendritic cell functions and reduces inflammatory cytokine production. The study showed β-damascone inhibits antigen-dependent activation and Th1 cell development, as well as ear inflammation in mice models.
Salk scientists discovered that when telomeres become very short, they communicate with mitochondria, triggering an inflammatory response. This process destroys cells that could become cancerous, preventing cancer formation. The findings highlight the importance of studying interactions between telomeres, mitochondria, and inflammation.
Macrophages adapt their metabolism according to the organ they reside in, reveals Spanish scientists. This discovery highlights a vulnerability of macrophages that contributes to chronic inflammatory diseases and could be exploited therapeutically for conditions like cardiovascular disease and type 2 diabetes.
Regulatory T cells suppress self-reactive T cells by controlling protein synthesis, maintaining immune tolerance and preventing autoimmunity. A small molecule inhibitor called RocA also shows promise in mitigating inflammatory responses.
Insufficient sleep during teenage years is linked to a higher risk of developing multiple sclerosis (MS). Short sleep duration and poor sleep quality are associated with a 40% and 50% increased risk, respectively. The study suggests that sufficient restorative sleep may be an important preventive factor against MS.
Researchers analyzed how immunological memory gets generated and maintained to understand its role in cancer and inflammatory diseases. They found that increased inflammation can actually reduce immunological memory, highlighting the need for regulation.
A new study finds that discrimination influences the central and enteric nervous systems, altering the bidirectional signaling between the brain and gut microbiome. This leads to changes in systemic inflammation, emotional arousal, and psychological symptoms across different racial and ethnic groups.
Researchers from Kumamoto University reveal how hematopoietic stem and progenitor cells orchestrate intestinal tissue repair through microbial signals. The study found that acute gut inflammation triggers the activation and expansion of immune progenitor cells, which migrate to lymph nodes to promote tissue repair.
Researchers found that HOXA5 binds to IκB-α, boosting its cancer-suppressing properties and inhibiting NF-kappa B's transcription of cancer-causing genes. This helps prevent breast cancer formation by 'putting brakes' on an inflammatory pathway.
A new study reveals that HOXA5 binds to protein IκB-α, boosting its cancer-suppressing properties and reducing the development of breast cancers. The presence of HOXA5 suppresses malignancy in breast epithelial cells by blunting NF-κB action.
Researchers from the Salk Institute have found that deteriorating neurons from people with Alzheimer's disease undergo a late-life stress process called senescence, leading to brain inflammation and neurodegeneration. By targeting these senescent cells with therapeutics, scientists hope to prevent or treat Alzheimer's disease.