Articles tagged with Rheumatoid Arthritis
Research found that individuals at risk of developing rheumatoid arthritis have distinct gut microbiome compositions, including an overabundance of Prevotellaceae species. This microbial signature correlates with traditional risk factors and is most pronounced in those who progress to the disease.
A longitudinal study found that bacteria associated with inflammation in the gut increases ten months before patients develop clinical rheumatoid arthritis. Researchers are exploring potential treatments at this early stage to prevent disease progression.
A team of researchers, including Binghamton University's Ahyeon Koh, is working on an innovative project to treat inflammatory bowel diseases like Crohn's and ulcerative colitis. The goal is to create a 'cell factory' in the body that can produce pharmaceuticals to alleviate symptoms.
Researchers have identified two genes, ATXN2L and MMP14, linked to both rheumatoid arthritis and osteoporosis. These genes play a role in apoptosis, immune regulation, and bone metabolism.
A new study reveals that couples living with rheumatoid arthritis who engage in joint problem-solving and emotional support experience lower depression and anxiety. The research highlights the importance of dyadic coping in improving relationship quality and patient well-being.
A comprehensive study found that patients with rheumatoid arthritis pay an average of $3,383 more per year on healthcare expenditures than those without the disorder. The disease also reduces mobility and quality of life, highlighting the need for better support systems and policies.
Researchers propose a better understanding of inflammation in rheumatoid arthritis, identifying an early pathogenic macrophage cell/gene signature that shapes the inflammatory environment. This discovery offers a unique opportunity for early diagnosis and therapeutic intervention, potentially leading to improved patient outcomes.
A recent study has revealed that oral bacteria, specifically Aggregatibacter actinomycetemcomitans, can exacerbate rheumatoid arthritis. The study found that the infection led to increased inflammation and joint damage in animal models.
In this study, researchers found that aged Treg cells exhibit decreased activity and inhibitory function, which is associated with enhanced type I IFN signaling. This leads to impaired Treg cell function contributing to the pathology of elderly-onset rheumatoid arthritis.
A machine-learning tool can effectively and efficiently subtype pathology samples from patients with RA. This may help scientists find ways to improve care for the complex condition by distinguishing between three subtypes of RA. The tool has also yielded new insights into treatment effects in mice, such as reduced cartilage degradation.
Inflammation in RA leads to altered lipid and lipoprotein profiles, with elevated triglycerides, total cholesterol, and LDL-cholesterol levels. Proinflammatory HDL complexes contribute to the proatherogenic phenotype.
Researchers at UVA discovered an unknown cause of long COVID inside lung tissues, promoting chronic inflammation that drives lasting respiratory symptoms. They found that immune cells can go haywire and promote tissue scarring, leading to conditions like interstitial lung disease.
A study of 140 adults with rheumatoid arthritis found a link between inflammatory activity and specific cognitive impairments, including diminished visuospatial abilities and executive functions. Cognitive impairment was recorded in 60% of patients compared to 40% of volunteers.
The WISDOM project aims to integrate healthcare and research data to combat CIMDs through AI-driven models. The initiative hopes to improve disease diagnosis, treatment, and patient outcomes by sharing data securely across borders.
Researchers have discovered several rare types of helper T cells associated with immune disorders such as multiple sclerosis and rheumatoid arthritis. The study found that genetic variants in bidirectional enhancer DNA are linked to specific immune-mediated diseases, including inflammatory bowel disease.
Researchers found that strengthening blood vessel integrity with S1PR1 can prevent inflammation and damage in joints. The study suggests a new therapeutic strategy that could be used in combination with existing immunosuppressive drugs.
Researchers have established a molecular profile of Rheumatoid Arthritis patients who are at increased risk of cardiovascular events. The study analyzed blood serum samples from over 300 patients and identified three groups with similar patterns, revealing that one group is more likely to develop cardiovascular diseases.
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.
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.
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 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 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 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.
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.
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 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.