Articles tagged with Interferon Signaling
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Research suggests that iron deficiency can negatively affect immune cells' response to viruses, leaving lasting effects on lung immune cells. Iron deficiency is linked to conditions like asthma and affects women and young children disproportionately.
Researchers have identified three distinct immunotypes in EPTB patients, revealing new insights into disease mechanisms. Additionally, gene expression-based biomarkers have been developed to reliably diagnose both pulmonary and extrapulmonary tuberculosis.
Researchers develop a novel self-assembling prodrug, LDO, that targets glycolysis and STING signaling to alleviate inflammation and improve survival in sepsis animal models. LDO reprograms macrophage polarization, reducing cytokine storms and acute lung injury.
RNF167 mediates atypical ubiquitylation of RIG-I/MDA5, leading to autophagic degradation via K6-linked polyubiquitination. K11-linked polyubiquitination also promotes proteasome-dependent degradation of RLRs. This study reveals the importance of dual proteolysis in regulating antiviral immunity.
A new TB vaccine candidate has shown complete protection and a superior immune response in nonhuman primates compared to the existing BCG vaccine. The delta sigH vaccine resulted in a more balanced and effective elimination of the bacteria, with lower levels of inflammation and a different type of interferon triggered.
A synthetic retinoic acid-inducible gene I (RIG-I) agonist RNA has been shown to induce innate immune signaling and death of hepatocellular carcinoma cells in vitro. The addition of recombinant interferon-b potentiated this cell death, suggesting a potential new mechanism for treating patients with liver cancer.
The study reveals that the interplay between ERK/MAPK and IFN-gamma signaling is essential for preserving intestinal stem cells during aging. The researchers found that maintaining a balance between these signaling pathways is critical for supporting stem cell maintenance, while also driving age-related changes in differentiated cells.
A new study using a novel mouse strain expressing Halo-tagged SOCS1 reveals that the inhibitor needs to exceed a threshold level to suppress GM-CSF and IFN-gamma signaling. The findings emphasize SOCS1's crucial function in modulating cytokine signaling.
Researchers found that cellular RNA molecules help regulate antiviral signaling by activating the MAVS signalosome. This signaling pathway is crucial for coordinating immune responses against virus invasion. The study's findings suggest a potential role for RNA-based therapeutics in combating infections and autoimmune diseases.
Researchers at MD Anderson Cancer Center presented findings on novel treatments for MDS, including luspatercept, which significantly reduced the need for blood transfusions in lower-risk patients. Additionally, a triplet therapy regimen improved survival in older adults with FLT3-mutated AML.
A phase 1b/2 clinical trial found a combination of immunotherapy and FGFR inhibitor to be safe and tolerable in patients with locally advanced or metastatic bladder cancer. The treatment showed increased response rates, including 54% for patients with high FGFR mRNA expression.
Researchers at University of California San Diego have identified a novel mechanism of cardiac inflammation that may prevent heart failure after a heart attack. The borderzone, surrounding the infarcted area, is found to be a key region for this inflammation, with heart muscle cells playing a dominant role in initiating it.
Researchers have developed a novel nanoparticle drug-delivery system to activate an immune pathway in combination with tumor-targeting agents, showing promising results in treating pancreatic cancer. Eight out of nine mice tested experienced tumor improvements, including two complete responses.
Scientists at Trinity College Dublin have identified a key biological pathway, the JAK/STAT pathway, that RSV suppresses and prevents immune system igniters from activating. This discovery provides a promising new target for therapeutic immune restoration and could lead to significant impact in treating RSV infections.
Researchers identified a fundamental imbalance in immune responses that patients with lupus make, leading to insufficient activation of the aryl hydrocarbon receptor pathway. This imbalance can be corrected by reprogramming disease-causing cells into Th22 cells promoting wound healing, offering a potential cure for lupus.
A study using induced pluripotent stem cells has revealed that inflammation triggered by retrotransposons and interferon signaling causes atherosclerosis in Werner syndrome patients. The researchers propose targeting the interferon signaling pathway as a potential treatment for reducing stroke and heart attacks.
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.
A specific protein, TRBP, regulates the balance between apoptosis and interferon response to suppress viral replication. This study sheds light on a previously unclear mechanism of defense against viruses in mammalian cells.
Researchers uncover how chromosomal instability, marked by micronuclei formation, regulates tumor progression and immune responses. The study highlights the promise of targeting the cGAS-STING signaling pathway to develop cutting-edge cancer treatments that boost the immune system's natural cancer-fighting capabilities.
Scientists identified key factors in developing long-lasting immunity against dengue virus through analyzing immune responses to natural infection and vaccines. The study revealed molecular markers that could be used in novel vaccine development.
Researchers question whether micronuclei activate the cGAS-STING pathway, a key innate immune response to foreign nucleic acids. The study found that MN more commonly recognizes DNA during cell division without triggering STING activation.
A new study has identified a strategy used by early-stage cancer cells to evade the immune system. By turning on the gene SOX17, these cells create an immunosuppressive environment that prevents them from being detected. This gene helps cancer cells ignore immune messages and grow in the presence of an immune system.
Researchers used machine learning to guide high-throughput experimental screening of small molecules, finding ones that improve vaccine response and reduce inflammation. The team discovered a molecule that outperforms the best immunomodulators on the market, with potential applications in cancer treatment.
Researchers found that a molecule associated with the X chromosome contributes to lupus development in females. The X-inactive specific transcript (XIST) triggers an immune response that damages healthy tissue, leading to muscle and joint pain, skin rashes, and other complications.
Researchers discovered a new role for extracellular signal-regulated kinase (ERK) in a pathway activated by interferon-gamma that leads to cancer cell death. Hyperactivation of ERK causes stress in cells, triggering cell death through specific proteins DR5 and NOXA.
Scientists have found that lung-resident memory B cells, critical for pulmonary immunity, require interferon-gamma produced by T follicular helper cells to differentiate. These long-lived immune cells migrate to the lungs from draining lymph nodes and lie in wait to react quickly to future infections.
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 created a novel animal model to study the pathogenesis of neurobrucellosis, a severe complication of brucellosis. The model reveals that innate lymphoid cells and interferons play a crucial role in limiting brain damage during Brucella infection.
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.
Researchers discovered that STING, a critical immune regulator, can act as an ion channel to control immune responses. This new function allows STING to translate danger signals into ion flow, activating various defense mechanisms.
Researchers at the University of Colorado Anschutz Medical Campus have discovered a molecular mechanism contributing to congenital heart defects in infants with Down syndrome. The study found that an abnormal interferon response inhibits key molecular events required for heart development, leading to impaired cardiogenesis.
Heidelberg researchers have identified key proteins that can prevent the formation of fusion pores, allowing viruses like influenza A and Ebola to be trapped in a lipid membrane. This breakthrough could lead to new approaches for preventing infections with these highly infectious viruses.
Targeting a specific antiviral pathway may one day offer a new way to treat or delay cognitive decline in Alzheimer's and frontotemporal dementia. Researchers found that inhibiting a key enzyme called cGAS can help neurons become resilient to tau protein buildup, a hallmark of these diseases.
Researchers found that maternal overweight compromises the placenta's antiviral response, weakening its ability to protect the fetus. The study suggests that adequate antenatal care is crucial in preventing complications from Zika infection.
Researchers found that immune cells play a key role in hypertension, weakening blood vessel walls and damaging the blood-brain barrier. Inhibiting inflammatory messengers may be a new therapeutic target for treating hypertension.
Researchers at H. Lee Moffitt Cancer Center & Research Institute discovered a new way to activate dendritic cells, which can produce strong anti-tumor immunity. The approach uses an oncolytic virus expressing CD40 ligand and IFNβ, reducing tumor size and activating immune cells in patients with non-small cell lung cancer.
Researchers found that certain gene signaling pathways, such as interferon γ and beta-catenin, can lead to tumor hyperprogression after immunotherapy. Targeting these pathways may prevent hyperprogression in preclinical models.
Researchers at Harvard's Wyss Institute discover new class of immunostimulatory dsRNAs that potently induce IFN-I production while limiting inflammation. The dsRNAs inhibit pandemic viruses, including SARS-CoV-2, in mouse and human Organ Chip models.
A team of scientists has discovered a key link between the protein αSyn and Parkinson's disease, finding that it interacts with immune responses in neurons. This interaction may play a critical role in the development of the disease, suggesting a potential new approach for treatments by targeting inflammatory pathways.
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 Baylor College of Medicine study finds that type I interferon is a major driver of memory and cognitive loss in a mouse model of Alzheimer's disease. Blocking IFN reversed these memory and cognitive deficits in the animal model, suggesting that inflammation plays a key role in AD progression.
Researchers from Trinity College Dublin have discovered how SARS and MERS coronaviruses block the induction of antiviral proteins, preventing a strong immune response. This finding has potential implications for developing new therapeutic options to treat COVID-19 and future deadly coronaviruses.
Researchers found early and persistent activation of neutrophils in patients who developed severe COVID-19. The study suggests that identifying specific gene signatures could lead to effective treatments targeting high-risk patients. This discovery may also inform the development of simple blood tests to prioritize treatment.
Researchers developed a novel genetic barcode system to mark cancer cells with different gene modifications and image their characteristics. The Perturb-map platform identified specific genes controlling lung tumor growth, immune composition, and response to immunotherapy, offering new approaches for targeting anti-cancer drugs.
A U-M study defines how a cytokine and fatty acid combination triggers ferroptosis, a type of cell death previously studied with synthetic molecules. This natural mechanism could make immunotherapy treatments more effective, particularly for cancers where the treatments currently work for only about 30% of patients.
Scientists sequenced the gene expression profiles of more than 170,000 individual cells to shed light on a key mystery: the role of Type I Interferons (IFN) during viral infections. The study reveals interferon plays a crucial role in clearing the virus by alerting immune cells, such as macrophages, to search and destroy infected cells.
Northwestern University scientists have identified a key mechanism used by the Zika virus to evade the antiviral response of host cells. The study reveals how the virus suppresses interferon signaling to gain access to cells, providing a new target for antiviral therapeutics.
Jonsson Comprehensive Cancer Center researchers have identified signaling mechanisms in pancreatic cancer cells that could be targeted for treatment. By inhibiting a specific protein, cancer cells' DNA can become damaged and induce programmed cell death, providing a potential new strategy for treating this aggressive form of cancer.
Researchers discovered that infections improve the production and function of naïve T cells, the body's first line of defense against disease. This mechanism involves interleukin 7 and MHC molecules, which signal naïve T cells to stay alive and receive optimal metabolic signals.
A new study at the University of Chicago has found that individuals of European and African genetic ancestry respond differently to influenza infection, with a stronger type I interferon pathway activation in those of European ancestry. This variation in immune response may contribute to disparities in influenza outcomes between differ...
Researchers found that glial cells are activated by interferon gamma in response to pathogen invasion, releasing signals to attract immune cells to fight infection. In the absence of disease or injury, blocked activation led to tissue inflammation, highlighting their role in maintaining healthy intestinal tissue.
A recent study suggests that targeting alpha-synuclein protein in Parkinson's disease may not be sufficient to cure most patients. Instead, resolving brain inflammation caused by dysfunctional interferon-beta receptor signaling may hold the key to developing more effective treatments.
Researchers found that a family of proteins enhances the immune response to HIV, Ebola and Zika by boosting signals sent within immune cells. This discovery has implications for potential broad antiviral therapy.
Researchers from UCPH discovered that a blockage in the pathway regulating nerve cell powerhouses, mitochondria, is the major cause of sporadic Parkinson's Disease. This dysregulation leads to accumulation of damaged mitochondria and neuronal death, resulting in dementia.
Researchers at Moffitt Cancer Center discovered that STING gene methylation enables melanoma cells to avoid detection by the immune system. The study suggests that reactivating STING expression through demethylating drugs or genetic approaches can restore interferon signaling and improve immunotherapy outcomes.
A UCLA team has been awarded two grants totaling $6 million to identify new ways to treat pancreatic cancer. The research aims to untangle the complexities of the disease and develop effective immunotherapeutic approaches.
Researchers at UCLA Jonsson Comprehensive Cancer Center found that high type I IFN signaling is present in a subset of pancreatic tumors, leading to decreased NAD and NADH levels. The combination of IFN signaling and NAMPT inhibitors showed promising results in suppressing tumor growth and reducing liver metastases in mice.
The cGAS-STING pathway plays a central role in immunosurveillance, coordinating immune cell recruitment to destroy transformed cells through cellular senescence or cell death programs. Chronic activation of this pathway can lead to inflammation-induced carcinogenesis, cautioning against its use as an anti-tumor immunotherapy.
Researchers have found that a virus-mimicking drug can make certain stealthy melanoma tumors visible to the immune system, allowing for better targeting by immunotherapy. The findings open up new possibilities for personalized therapies in hard-to-treat cancers.
Two twin studies report specific mechanisms of impaired type I interferon signaling in hospitalized COVID-19 patients, associating mutations and neutralizing autoantibodies with severe respiratory symptoms. Administering specific type I IFNs to select high-risk patients may offer therapeutic benefits, especially early in the disease co...