Articles tagged with Inflammatory Bowel Diseases
Researchers have characterised a specialised type of immune cell that plays a key role in protecting and repairing the healthy human gut. Depletion of these cells is linked to inflammatory bowel disease (IBD) progression, with potential implications for treatment options.
Researchers have developed a less invasive test for inflammatory bowel disease by analyzing the sugar molecules attached to antibodies. The study found distinct patterns of glycans on immunoglobulin A (IgA) antibodies between patients with Crohn's disease and ulcerative colitis, which could lead to a simple blood-based diagnostic test.
Researchers at Karolinska Institutet found that statin treatment was associated with a lower risk of developing and dying from colorectal cancer in patients with ulcerative colitis. After a follow-up period of 5.6 years, the study showed that 70 statin users had been diagnosed with colorectal cancer compared to 90 non-statin users.
Scientists at CeMM and Max Perutz Labs have reclassified approximately 200 rare immune system disorders using a network-based approach. The study reveals strong similarities between rare diseases and autoimmune conditions, enabling the prediction of treatment efficacy and personalized approaches for diagnosis and treatment.
Researchers developed a platform that allows engineered biosensor bacteria to safely pass through the gastrointestinal tract in animal models. The platform enables real-time monitoring of gut health and can be used to diagnose and monitor various diseases, including inflammatory bowel disease. It has the potential to revolutionize pati...
A new study reveals that the receptor PIEZO2 in sensory neurons plays a crucial role in controlling gut motility and transit time. This finding has significant implications for understanding gastrointestinal disorders and developing therapeutic applications.
Researchers found that a diet high in soybean oil decreases beneficial bacteria and increases harmful bacteria, leading to increased inflammation and susceptibility to colitis. Olive oil, with lower amounts of linoleic acid, is considered a healthier alternative.
A study published in Neurology found that people with inflammatory bowel disease (IBD) are more likely to have a stroke than those without the disease. The study revealed an association between IBD and an increased risk of stroke, with people with IBD being 13% more likely to experience a stroke up to 25 years after diagnosis.
A new study suggests that high-sugar diets can exacerbate inflammatory bowel disease (IBD) symptoms by disrupting the colon's lining renewal process. The research found that a high-sugar diet led to impaired cell division and altered metabolic pathways in mice, resulting in faster gut damage.
A study published in Cell Reports Medicine found that pro-inflammatory cell types dominate the intestinal mucosa of children with inflammatory bowel disease, while protective cells are underrepresented. The results provide new insights into the immunology of IBD and may lead to the development of more effective treatments.
A recent study found that exposure to antibiotics before age 5 triples the risk of pediatric IBD, while a Western diet high in sugars and ultra-processed foods increases the risk, and lower socioeconomic status provides protection. Conversely, having more siblings, being exposed to pets, and consuming vegetables reduce the risk.
A study by researchers at Umeå University found that diet plays a much stronger role in shaping the intestinal microbiota composition than previously thought. The study also suggested that intestinal defense molecules may help protect against metabolic disorders when consuming an unhealthy Western-style diet.
Consuming insects like crickets can contribute to healthy gut microbiota and provide essential nutrients. Research by CSU professor Tiffany Weir and colleagues highlights the potential benefits of edible insects on human health, including increased prebiotic effects and reduced intestinal inflammation.
Scientists discover that milk-derived extracellular vesicles can repair damaged gut barriers and prevent bacterial toxins from leaking into the bloodstream. The study shows promising results in treating leaky gut syndrome and related diseases such as inflammatory bowel disease and non-alcoholic fatty liver disease.
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 investigate multimorbidity, which is increasing due to improved survival from chronic diseases and population aging. The prevalence of multimorbidity varies greatly depending on the number and types of conditions considered, with some combinations spending more than the sum of individual diseases.
A new study by Oxford researchers has found vedolizumab to be effective in inducing remission in patients with chronic pouchitis after surgery for ulcerative colitis. The treatment improved remission rates and quality of life, making it a game-changer for these patients.
A study published in Gut journal found that COVID-19 patients experienced gastrointestinal symptoms more frequently than non-infected patients. The research also discovered a higher incidence of irritable bowel syndrome among infected individuals, with symptoms lasting up to 12 months after hospitalization.
Researchers at Mass General Hospital have found that intestinal fibrosis plays a critical role in the progression of inflammatory bowel disease (IBD), affecting the growth and differentiation of intestinal stem cells. The study suggests targeting mechanosensing pathways may offer an attractive therapeutic strategy for IBD.
Researchers created a network of interacting proteins to understand the function of genes and link specific biological processes to diseases. They identified groups of proteins interacting with genes linked to over 1,000 human traits, providing insights into new targets for drug discovery and potential repurposing opportunities.
A new study found that individuals with a normal gastrointestinal biopsy still have a higher risk of developing inflammatory bowel disease (IBD) in the years following the biopsy. The study of over 450,000 individuals in Sweden showed that symptoms of IBD may start significantly before the disease shows up on biopsy.
Scientists have found that caterpillars can be used as an alternative to rodent models for studying gut inflammation, a risk factor for colorectal cancer. The tobacco hornworm caterpillar has a high degree of similarity to the human gut structure and physiology, making it a promising model organism for future research.
Researchers have isolated two new bacterial species from patients with inflammatory bowel disease (IBD), which break down the protective mucus layer of the gut. The bacteria, Allobaculum mucilyticum and Allobaculum fili, are highly efficient at degrading intestinal mucus, leading to potent immune responses.
A landmark study found a strong genetic correlation between higher education and protective causal association with several gut disorders. The research reveals that better education reduces the risk of diseases such as Alzheimer's and inflammatory bowel disease (IBD).
Salk scientists have developed a new therapeutic compound called FexD, which reverses gut inflammation in mouse models of inflammatory bowel disease. By activating the master regulator protein FXR, FexD reduces inflammation and restores balance to the digestive system.
Researchers at Karolinska Institutet have shown that B cells can prevent intestinal healing by increasing in numbers after bowel damage. The study found that mice lacking B cells recovered more quickly after bowel damage than regular mice.
Researchers at the University of Wisconsin-Madison develop nanoparticles to neutralize molecules implicated in IBD, significantly improving treatment outcomes. The probiotic bacteria are equipped with nano-backpacks that target reactive oxygen species, reducing inflammation and promoting weight gain and colon length restoration.
A type of dietary fiber called inulin alters gut bacteria metabolism, triggering type 2 inflammation in the gut and lungs. Inulin boosts Treg cells but also induces higher levels of eosinophils, a classic sign of type 2 inflammation.
Scientists discover that increased levels of enzyme alpha 1-6 fucosyltransferase (FUT8) in the colon may lead to ulcerative colitis by altering mucous layer properties, making it more permeable and sticky. Researchers believe this allows bacteria to reach epithelial cells, triggering inflammation.
Researchers found that certain types of dietary fiber cause inflammation in IBD patients, worsening symptoms. A stool test is being developed to predict individual responses to dietary fibers, enabling tailored recommendations.
A study published in Nature Medicine found that higher levels of microbiota engraftment correlate with better clinical responses to FMT. The research used genomic sequencing and AI to analyze over 1,300 gut samples from donors and patients with various diseases.
A recent study published in the journal Gut found that gay men are more than twice as likely to develop inflammatory bowel disease (IBD) than heterosexual men who engage in high-risk sexual activity. The study's lead author notes that this finding will open a new field of research into gastrointestinal inflammatory conditions.
Researchers found that genetic makeup of mice affects bacteria in their gut, with heritable species and co-evolution observed. The study's findings could provide new insights into treating human gut-related conditions like Inflammatory Bowel Disease (IBD).
Researchers developed optimized human small intestinal organoids with mature Paneth cells, mimicking the original human intestine. The discovery highlights the importance of Interleukin-22 in activating Paneth cells, which helps prevent infections and maintain barrier function.
A study published in Frontiers in Immunology found that Japanese herbal medicine DKT reduces colitis severity by preventing gut bacteria loss and increasing immune cells. It restores Lactobacillus levels and promotes type 3 innate lymphoid cells, alleviating inflammatory responses.
Researchers discovered a novel role for an E. coli enzyme in reducing the toxic effects of hypothiocyanite, a key antimicrobial released by the human immune system. This finding has implications for diseases like cystic fibrosis and inflammatory bowel disease, as it suggests that various bacteria can evade this powerful oxidant.
Researchers have developed a novel approach to engineering live bacterial therapeutics by using native microbes that can survive in the gut. This method overcomes previous limitations of introducing engineered bacteria into the gut, demonstrating potential for long-term therapy and reversal of disease pathologies in mouse models.
Researchers have designed a phage combination therapy that precisely targets and suppresses gut bacteria associated with inflammatory bowel diseases (IBD). The team identified effective phages against IBD-contributing Kp strains, which attenuated inflammation and tissue damage in mice models.
A team from Osaka University developed a silicon-based agent that generates hydrogen when reacting with water, reducing inflammation and symptoms of ulcerative colitis in a mouse model. The study suggests the Si-based agent may be an effective treatment method for this disease.
Researchers developed an AI system that classifies IBDN lesions accurately, displaying image-based diagnostic ability with 64.5% sensitivity and 89.5% specificity. The correct diagnosis rate of the AI system was 79.0, surpassing that of endoscopists, who achieved a 77.8% accuracy rate.
Researchers found that fecal transplants restored intestinal function and reduced inflammation in mice lacking the antimicrobial compound catestatin. The study suggests that changes in gut microbial composition are responsible for the inflammatory response.
A new study from Keck Medicine of USC shows that patients with IBD are nine times more likely to develop depression than the general population, while those with depression are twice as likely to develop IBD. Siblings without either condition are also at increased risk.
Researchers at Karolinska Institutet discovered that electrical stimulation of the vagus nerve promotes healing in acute inflammation by shifting the balance between inflammatory and anti-inflammatory molecules. This finding opens new avenues for treating inflammatory diseases, including autoimmune and cardiovascular conditions.
Recent studies from Cedars-Sinai have shed light on the importance of a gene in embryo development and its potential link to physical abnormalities. Additionally, research has shown that getting vaccinated against Covid-19 can strengthen immune responses in patients with inflammatory bowel disease. The institution is also working on ne...
A recent study found that a single course of antibiotics disrupts the balance of gut bacteria and fungi in infants, leading to increased competition for space. This disruption can result in long-term adverse effects on human health, including antibiotic-associated diarrhea and chronic inflammatory diseases.
Researchers discovered a link between the immune system and microbiome in primary sclerosing cholangitis (PSC), a liver disease associated with inflammatory bowel disease. MAIT cells activated by bile-derived pathogens could play an important role in PSC pathophysiology, offering potential new treatment implications.
Researchers at Karolinska Institutet used spatial transcriptomics to create a map of gene expression in the mouse colon, gaining new insights into inflammatory bowel disease. The study's findings suggest that the colon is divided into more segments than previously thought and could lead to the development of new treatments.
Researchers have discovered a potential new diagnostic marker for ulcerative colitis, identifying high levels of antibodies targeted at endothelial protein C receptors in patients with inflammatory bowel disease. The discovery could lead to the development of non-invasive blood tests to diagnose and track the progression of the disease.
Researchers at TUM discover that intestinal bacteria interact with Paneth cells in the gut mucus layer, leading to chronic inflammation. This finding may lead to new treatments for IBD.
Researchers discovered a key growth factor protein, HB-EGF, produced by immune-regulating cells that protects the gut against inflammatory bowel disease. ILC3s produce HB-EGF to counteract TNF-induced inflammation and maintain gut barrier function.
Researchers at Boston Children's Hospital have found that open-label placebo treatment significantly reduces pain scores in children with functional abdominal pain or irritable bowel syndrome. The study also showed no side effects, making it a promising non-pharmacologic therapy for these difficult-to-treat conditions.
A study published in Nature Microbiology reveals that a class of microbial enzymes contributes to ulcerative colitis. Researchers identified an overabundance of proteases from the gut resident Bacteroides vulgatus in nearly 40% of patients, which can exacerbate the disease when not treated with protease inhibitors.
Researchers at Boston Children's Hospital have developed an organoid platform that identifies drugs that enhance enteroendocrine cell action, potentially reversing diabetes, obesity and gastrointestinal conditions. The system identified three chemicals that drive the formation of EE cells and hormone production.
Researchers found that a unique protein variant in modern humans offers better protection against oxidative stress, but also increases the risk of vascular disease and inflammatory bowel disease. The Neanderthal variant is carried by around 1-2% of the population on the Indian subcontinent.
Researchers discovered that people with inflammatory bowel disease (IBD) have higher levels of microplastics in their feces compared to healthy individuals. The study suggests a possible link between microplastic exposure and IBD, but the exact relationship remains unclear.
A study of 685 Italian children found that certain factors, such as age and comorbidities, are associated with severe gastrointestinal symptoms. The research identified key risk factors for severe GI symptoms in this population, shedding light on the complex interactions between SARS-CoV-2 infection and the immune system.
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.
Researchers at Osaka University found that E-NTPD8 regulates luminal ATP levels, which affects immune cells and promotes inflammation in colitis. Depletion of neutrophils improved symptoms, highlighting the enzyme's role in preventing severe colitis.
Researchers at Washington University School of Medicine found that COVID-19 vaccination elicited a response in nearly nine out of ten people with weakened immune systems. However, the responses were only about one-third as strong as those mounted by healthy people. Despite this, the discovery is encouraging news for a population at hig...
Researchers found that hematopoietic cell transplantation (HCT) normalizes the gut microbiota of patients with IBD associated with XIAP deficiency. The study revealed that HCT decreases gut inflammation and restores diversity in gut microbiota, improving symptoms and quality of life for affected individuals.