Articles tagged with Rheumatoid Arthritis
Researchers have discovered that metabolism plays a crucial role in the balance between T and B cells, leading to autoimmune diseases. The study suggests that targeting the interaction between immune cells and metabolism could lead to more effective treatments for conditions like rheumatoid arthritis and lupus.
Researchers have identified a suite of genes that activate abnormal growth of sensory neurons in tissues cushioning affected joints, leading to pain without inflammation. The findings may lead to new treatments for patients who do not respond to anti-inflammatory drugs.
Researchers have developed a statistical method called SCENT to establish links between regulatory elements and genes, pinpointing probable causal gene loci for common and rare diseases. The study applied SCENT to multimodal single-cell datasets from various human tissues, discovering insights into DNA regulation in specific cell types.
Researchers identified six blood biomarkers associated with increased cardiovascular risk in patients with rheumatoid arthritis. These biomarkers improved the ability to predict arterial inflammation, an indicator of cardiovascular risk, compared to standard clinical indices.
Research published in RMD Open journal found a strong association between sinusitis and rheumatic disease, with the highest risks for blood clotting disorder and Sjögren’s syndrome. The study used data from Rochester Epidemiology Project and included 1729 adults diagnosed with various rheumatic diseases.
Researchers found no clear link between weather conditions and muscle and joint pain, debunking a long-standing medical myth. High temperatures, low humidity, and dehydration may increase the risk of gout flares.
Researchers found significantly higher levels of IL-18 expression in osteoarthritis patients and cells compared to healthy controls. IL-17 promoted IL-18 production through the MEK/ERK/miR-4492 axis, indicating potential therapeutic targets for OA treatment.
A Phase 2b clinical trial published in The Lancet found that abatacept reduces progression to rheumatoid arthritis and can also ease symptoms. After a year-long treatment, patients treated with abatacept showed significant reductions in disease onset and inflammation.
A novel PET imaging technique can detect active inflammation in the body before clinical symptoms arise, using a PET tracer that binds to proteins present on activated immune cells. This makes it easier for physicians to correctly diagnose and treat patients with rheumatoid arthritis.
Researchers have discovered a new treatment that enhances the body's natural defences against atherosclerosis in patients with rheumatoid arthritis. Treating arthritic mice with RvT4 reduces blood vessel inflammation by re-programming macrophages to release stored lipids.
A study published in Lancet eClinical Health found pregnancy outcomes for pregnant individuals with autoimmune disease vary greatly depending on the specific condition and individual factors. Research highlights the importance of considering comorbidities when discussing autoimmune disease and pregnancy.
Rheumatoid arthritis patients who underwent a single session of aerobic exercise experienced temporary reductions in blood pressure at rest and under stress. The study, conducted at the University of São Paulo, demonstrates the benefits of moderate-intensity walking for cardiovascular management and blood pressure control.
A large study of 223,526 UK Biobank participants found that early menopause, hormone replacement therapy, and fewer reproductive years are associated with a heightened risk of rheumatoid arthritis. Women are 4-5 times more likely to develop the disease under 50 than men.
Researchers have developed a new method, SECRE, to identify genetic regulators of cytokine secretion in autoimmune diseases. The technique has been validated on cells known to play a crucial role in inflammatory bowel disease (IBD) and shows promising results for treating conditions with few therapeutic options.
Researchers found that immunomodulatory drugs used to treat rheumatoid arthritis can reduce the risk of autoimmune thyroid diseases. Patients treated with these drugs had a 46% lower risk of developing an autoimmune thyroid disease compared to those without rheumatoid arthritis.
Researchers found that stopping TNF inhibitors led to more flares and lower remission rates among RA patients who were already in sustained remission. This contrasts with those who continued treatment, highlighting the importance of personalized treatment approaches for RA patients.
Researchers have identified six distinct subgroups of rheumatoid arthritis based on their cellular composition, using a cell atlas encompassing over 300,000 cells. This breakthrough could lead to more effective and personalized treatment plans for patients with the disease.
Researchers analyzed over 314,000 cells from rheumatoid arthritis tissue to define six types of inflammation involving diverse cell types and disease pathways. The findings shed new light on the cellular causes of RA, potentially informing targeted and effective therapeutic approaches.
Researchers developed a deep learning system to detect and predict joint space narrowing and erosions in hand radiographs of RA patients. The AI model achieved over 90% accuracy in detecting joints, but its performance may be lower than human radiologists for wrist joint analysis.
A study at ACR Convergence 2023 found that hydroxychloroquine lowers the risk of nonalcoholic fatty liver disease in rheumatoid arthritis patients, particularly in women and men under 50. The medication may exert its effect through increased adiponectin levels, a hormone inversely linked to insulin resistance and inflammation.
A new rheumatology training program for Native American primary care physicians has expanded its reach to tribes in 15 states. The program, which includes virtual classes and case-based discussions, aims to improve diagnosis and management of rheumatoid arthritis, but faces challenges due to mistrust of accessing private health records.
A multicenter, retrospective study of Japanese patients treated with JAK inhibitors found impressive remission rates and low disease activity. The study's results contradict previous concerns about the effectiveness of these drugs, suggesting they may be a viable option for patients with other health problems.
Researchers developed a ceria nanoparticle-immobilized mesenchymal stem cell nanovesicle hybrid system to treat rheumatoid arthritis. This approach provides both immediate pain relief through ROS scavenging and long-term immune tolerance by delivering immunomodulatory cytokines.
A study has identified genetic markers that can predict whether rheumatoid arthritis will improve or worsen during pregnancy. These markers were found in white blood cells and genes related to B cells, and may help women plan their treatment and avoid unnecessary medication exposure.
Research found ginger consumption makes neutrophils more resistant to NETosis, a process that contributes to inflammation and autoimmune diseases. Ginger supplementation also boosted chemical levels in neutrophils, inhibiting NETosis in response to disease-relevant stimuli.
A study published in eBioMedicine identified the mechanism behind rapid vaccine waning in patients on TNF-α blockers for autoimmune diseases like Crohn's and rheumatoid arthritis. Regular booster vaccinations are crucial to maintain protection, especially for those receiving immunosuppressive therapy.
A large US study found that social determinants of health are a major factor contributing to higher cardiovascular disease mortality rates in Black individuals compared to Whites. The study analyzed data from over 50,000 adults and found significant associations between social factors such as unemployment and food insecurity with CVD m...
Researchers identified a specific type of CD8 T cell that characterizes inflammatory arthritis induced by ICI therapies. A unique population of CD8 T cells was found to promote joint inflammation and persist in the bloodstream, explaining why ICI-arthritis continues after therapy is discontinued.
The American College of Physicians recommends starting colorectal cancer screening at age 50 for asymptomatic adults with average risk. The guideline aims to balance benefits and harms of screening in this population. Screening in younger adults may not offer significant net benefit due to lower incidence rates.
Researchers at the University of Helsinki discovered a small molecule that inhibits cytokine protein formation, alleviating rheumatoid arthritis symptoms in mice. This breakthrough enables the rational design of novel molecules for disease prevention and treatment.
Researchers identified TAp63 as a key protein in rheumatoid arthritis, which is targeted by methotrexate. Lowering TAp63 expression improves autoimmune arthritis in mice.
Researchers warn that patients with rheumatic and musculoskeletal conditions are vulnerable to long term opioid use. The study found that up to 1 in 3 patients with rheumatoid arthritis or fibromyalgia may be at risk of transitioning to long term opioid use, highlighting the need for vigilance in practice prescribing.
Researchers at FAU Erlangen-Nürnberg have unlocked the mechanism behind intravenous immunoglobulin antibody therapy, which resolves joint inflammation in rheumatoid arthritis. The study reveals that these antibodies suppress a central self-destructive process by targeting pattern recognition receptor Dectin-1.
Research published in BMJ Open suggests a strong association between environmental polycyclic aromatic hydrocarbons (PAH) and the risk of developing rheumatoid arthritis. PAH exposure was found to account for most of smoking's impact on this disease risk, with one specific compound, 1-hydroxynaphthalene, showing a strong association.
Research published in Science Translational Medicine found that gum disease may trigger an immune response in patients with rheumatoid arthritis. Breaches in damaged gums allow oral bacteria to seep into the bloodstream, activating an immune response that targets the body's own proteins and causes flare-ups.
A Swansea University study reveals the potential of machine learning in identifying Ankylosing Spondylitis (AS) patients, reducing diagnosis delays from eight years to earlier. The research uses a national data repository to develop a predictive model for AS detection, empowering GPs to refer patients more efficiently.
A team at UC San Diego developed a biodegradable polymer system to treat rheumatoid arthritis by working with the immune system. The method uses encapsulated all-trans retinoic acid (ATRA) that transforms disease-causing cells into regulatory T cells.
WVU engineers developed a new electrode cuff called MouseFlex to test electric current treatments, overcoming previous challenges with stability and durability. The device can withstand high electrical stimulation and may benefit patients with conditions like rheumatoid arthritis and drug-resistant epilepsy.
A large study of women with rheumatoid arthritis found that those taking oral contraceptives or hormone replacement therapy had a greater chance of achieving remission. The study suggests female sex hormones could play a major role in improving outcomes for these patients.
Researchers found a connection between arthritis flare-ups and periodontitis, suggesting that regular dental check-ups could help prevent rheumatoid arthritis. The study also identified potential therapeutic targets for cancer, including the use of mouthwash to prevent flares.
Researchers at Karolinska Institutet have developed a new approach to treating inflammatory diseases by analyzing the activity of genes in individual cells. This digital twin technology could lead to personalized drug therapies for patients with conditions like rheumatoid arthritis, Crohn's disease, and ulcerative colitis.
Researchers at NYU Langone Health identified the genetic basis of VEXAS syndrome in 2020, now estimating its prevalence among US men and women over 50. The study found that approximately 1 in 4,269 American men over age 50 and 1 in 26,238 women may develop the syndrome.
Researchers have developed a novel oral drug delivery platform using probiotic bacteria to treat rheumatoid arthritis, reducing the need for lifelong injections. The bioengineered probiotic, LrS235, secretes peptide ShK-235, which dramatically reduces clinical signs of disease in animal models.
Scientists from Trinity College Dublin discovered that Interleukin-37 activates the immune system, contrary to earlier theories. This finding has significant implications for understanding and treating autoimmune disorders and inflammation.
People with rheumatoid arthritis have a higher risk of cardiovascular disease due to inflammation. However, new research suggests that commonly used treatments for RA can also lower this risk by reducing arterial inflammation and disease activity. The study found that immunomodulators like methotrexate and TNFi drugs reduced heart dise...
Exposure to common workplace agents is associated with a heightened risk of developing rheumatoid arthritis, which can be exacerbated by smoking and genetic predisposition. The study found that certain agents, such as quartz dust and gasoline fumes, are strongly linked to an increased risk of ACPA-positive disease.
A randomized clinical trial found that two anti-inflammatory strategies reduced disease activity and arterial inflammation in patients with moderate to high rheumatoid arthritis. The treatments had no differences in cardiovascular risk reduction, highlighting the importance of specific clinical trials for this population.
Researchers at Scripps Research developed nanoparticles that target only the immune cells driving an autoimmune reaction, delaying or preventing severe disease in a mouse model of arthritis. The treatment boosts regulatory T cell populations and reduces anti-self-antigen antibody production.
Gene variants associated with leukaemia produce 'rogue' killer T cells that drive autoimmune diseases, according to a new study. These rogue cells can cause autoimmune disease even at low levels, highlighting the connection between leukaemia and autoimmunity.
A study by King's College London found that the number of new diagnoses of rheumatoid arthritis fell by 20% during the COVID-19 pandemic, indicating a potential substantial burden of undiagnosed patients. In contrast, for those diagnosed during the pandemic, there were no delays in starting treatment.
A unique bacterium found in the gut microbiome may trigger an autoimmune response that leads to rheumatoid arthritis (RA) in individuals already at risk. The discovery opens up possibilities for targeted therapies and prevention strategies.
Researchers identified specific transcription factors involved in RA's heterogeneity and stratified cell lines into subtypes with distinct predicted activated pathways. This could help pave the way for personalized treatments tailored to individual patients' needs.
A new strategy for treating rheumatoid arthritis has been proposed, integrating small interfering RNAs and Prussian blue nanoparticles to silence proinflammatory cytokines and scavenge reactive oxygen species. The approach was tested in a mouse model, showing improved therapeutic efficacy and real-time monitoring capabilities.
A recent analysis found that individuals at risk for rheumatoid arthritis and those with the disease have higher blood levels of antibodies against Prevotella copri, a bacterial strain typically found in the gut. This study suggests that targeted therapies may be developed to prevent or treat the disease.
Researchers successfully visualized systemic joint involvement in patients with autoimmune arthritis using ultra-low dose total body PET/CT scans. The scans showed high agreement with standard joint-by-joint rheumatological evaluations and a moderate to strong correlation with rheumatological outcome measures.
A study found that aberrant expression of MAO-B causes both peripheral and neuroinflammation in RA patients, leading to joint pain and cognitive impairment. Administering an MAO-B inhibitor called KDS2010 improved both joint inflammation and cognitive function in a RA animal model.
Researchers at National Jewish Health found pirfenidone effective in slowing ILD progression in RA patients, potentially increasing overall survival. The study was the first prospective treatment trial for this condition.
A randomized clinical trial found that rituximab significantly improved disease control in patients with new-onset myasthenia gravis, reducing the need for cortisone treatments and hospitalizations. The study's results offer hope for a more effective treatment strategy, but larger studies are needed to assess long-term effects.
A new study published in the Journal of the American Heart Association found that individuals with autoimmune diseases are at a higher risk of complications after a heart attack. The research emphasizes the importance of controlling cardiovascular disease risk factors and developing personalized treatment plans for this population.
A study at Washington State University has identified sulfatase-2 as a critical protein driving damage caused by rheumatoid arthritis. The discovery sheds light on molecular processes behind inflammation in the disease and could lead to improved treatments.