Articles tagged with Crohn Disease
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.
Research suggests that frequent antibiotic use may heighten the risk of inflammatory bowel disease among older adults. The study found a cumulative risk, with the highest risk observed 1-2 years after antibiotic exposure, particularly for those targeting gut infections.
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.
A large international study found that adopting and maintaining a healthy lifestyle may prevent up to 60% of Crohn's disease and ulcerative colitis cases. The study analyzed data from over 300,000 participants and estimated that a low risk score for inflammatory bowel disease could have prevented a significant proportion of cases if an...
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 discover how E. coli bacteria manipulate the immune system to cause ileocolitis in susceptible individuals. The study reveals the key role of agr2-associated ER stress in promoting dysbiosis and triggering CD103+ dendritic cell IL-23-dependent inflammation.
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 study by the University of Gothenburg found that women with inactive inflammatory bowel disease (IBD) have a higher risk of giving birth prematurely, particularly if they have microscopic inflammation in their intestinal mucosa. This association was not seen for other adverse pregnancy outcomes, such as growth restriction.
Researchers at UCalgary have discovered a potential new treatment for fibrosis, a condition that causes thickening of the gut wall and life-threatening blockage in people with Crohn's disease and ulcerative colitis. The study suggests that drugs targeting specific sensors may prevent inflammation-associated gut blockage.
Researchers have discovered that mutations in mitochondrial-related genes can trigger hyperinflammation, leading to diseases such as Crohn's disease and tuberculosis. The study found that these mutations lead to a new type of cell death called necroptosis, which causes an aggressive inflammatory immune response.
The study reveals that the small intestinal microbiome is unstable and changes in response to diet, but certain species persist and adapt through subspecies changes. The findings have important implications for understanding intestinal diseases such as celiac disease and Crohn's disease.
Researchers at UVA Children's will use a sophisticated computer model to better understand and treat Crohn's disease, which can have lifelong consequences for young patients. The team hopes to identify biological markers or metabolic signatures that can be used for early diagnosis and personalized medicine.
Researchers at Weill Cornell Medicine found that gut pain-sensing neurons regulate the microbial community in the intestines, boosting beneficial microbes to protect against inflammation. The study suggests that targeting these neurons could lead to new anti-inflammatory treatments for IBD and other disorders.
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 new study found that a protein called apoptosis inhibitor five (API5) protects most people with the mutation linked to Crohn's disease from developing the illness. Norovirus infection blocks API5 production in mice with Crohn's, killing gut-lining cells and tipping the balance towards autoimmune disease.
A cohort study found that endoscopists performing colonoscopies in FIT-based screening programs should aim for markedly higher ADRs compared to primary colonoscopy screening. The study suggests that high ADRs are associated with lower colorectal cancer incidence and mortality. Researchers recommend using ADR targets, including differen...
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.
A recent study has identified genetic variants in 10 genes that elevate a person's susceptibility to Crohn's disease, a form of inflammatory bowel disease. The research highlights the causal role of mesenchymal cells in intestinal inflammation, shedding light on the genetic roots of inflammatory bowel disease.
A new study by Massachusetts General Hospital researchers suggests that certain anti-cancer drugs may target a key player in Crohn's disease, a type of inflammatory bowel disease. The study found that mutations in a specific chromatin reader, SP140, are associated with an increased risk of immune diseases like Crohn's.
A large population study found a 14% increased risk of developing Crohn's disease among children born via cesarean section. The study suggests an association between cesarean section and altered gut microbiome, warranting further research.
A new study of over 8 million pregnancies found that pregnant women with inflammatory bowel disease (IBD) are at a higher risk of gestational diabetes, postpartum hemorrhage, and other complications. IBD can also lead to longer hospital stays and increased medical costs.
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.
A recent study at Cedars-Sinai Medical Center found that biologic drugs for inflammatory bowel disease may improve the T-cell immune response in patients vaccinated against COVID-19. This could potentially offer protection against severe disease. The study suggests that these treatments may be used to monitor vaccine and booster outcomes.
Researchers identified a blood biomarker that predicts severe Crohn's disease and is detectable up to seven years prior to diagnosis. The biomarker neutralizes protective effects of a cytokine, leading to intestinal damage and weakening the immune system.
A new study found that exposure to dogs, particularly from ages 5 to 15, was linked to healthy gut permeability and balance in the gut microbiome. Additionally, growing up in a large family with three or more siblings may also provide protection against Crohn's disease by influencing microbiome composition.
A study of 2.3 million patient records found that antibiotic use was associated with a higher risk of developing inflammatory bowel disease in older adults. The risk increased substantially with each course of antibiotics, with patients who received five or more courses being over 2.3 times more likely to be diagnosed with the condition.
A new study suggests that growing up with dogs and in large families may lower the risk of inflammatory bowel disease. Exposure to dogs, particularly between ages 5-15, was linked to healthy gut permeability and a balanced immune response, which may help protect against Crohn's disease.
A study of 2.3 million patient records found that antibiotic use was associated with a higher risk of developing inflammatory bowel disease in seniors, particularly those who received multiple courses. The risk increased substantially with each course of antibiotics prescribed.
An artificial intelligence model trained on histological images of surgical specimens accurately classified patients with and without Crohn disease recurrence. The model revealed previously unrecognized differences in adipose cells and mast cell infiltration, enabling stratification by prognosis for postoperative Crohn disease patients.
Research finds that intestinal inflammation liberates chemicals that nourish E. coli's growth and promote inflammation, highlighting new treatment targets for Crohn's disease. The study identifies key compounds that feed E. coli, such as phospholipids and amino acids, and shows that these compounds can enhance the bacteria's virulence.
Researchers analyzed genomic profiles of over one million cells from 1,000 people, identifying a link between specific genes and immune cell types in autoimmune diseases. The discovery could lead to tailored treatments and refine clinical trials.
A team led by Case Western Reserve University discovered the novel repair properties of Gasdermin B protein, promoting restoration of epithelial layers and effective wound-healing. The findings have significant implications for designing therapeutics to enhance wound repair in various organs.
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.
A recent study by researchers at Case Western Reserve University found that Candida tropicalis fungus can trigger chronic inflammation in the gut microbiome of Crohn's disease patients. This imbalance of fungi and bacteria can create a predisposition to inflammatory bowel disease.
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.
Researchers at UC Riverside have discovered that targeting the TNFR1 receptor may be a more effective approach to treating inflammatory bowel disease. By selectively blocking TNFR1, they found significant benefits in mice with Crohn's-like ileitis, suggesting this approach could offer a new opportunity for healing.
A study by Weill Cornell Medicine investigators found that antibodies secreted in the gut help control pathogenic forms of gut fungi like Candida albicans. However, patients with Crohn's disease often have impaired antibody function, leading to an overgrowth of harmful fungi.
A McMaster University-led study found that stress hormones suppress the innate immune system, which normally protects the gut from harmful bacteria like E. coli linked to Crohn's disease. Removing stress hormones restored proper function to immune cells and epithelial cells, blocking invasion of microbes.
Researchers have identified a link between certain gut microbiome molecules and the immune system protein P-gp, which plays a critical role in gut inflammation. The study suggests that supporting a healthy balance of microbes in the gut may help regulate P-gp expression and prevent chronic inflammation.
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 study by University of Limerick researchers has found that Crohn's disease is associated with higher depositions of fat in the abdominal areas where the intestines are located. This suggests a direct link between fatty tissue and Crohn's disease, potentially leading to new diagnostic tests and treatments.
A new large-scale study created the most comprehensive Cell Atlas of the Gut to date, revealing that Crohn’s disease may be caused by activation of developmental pathways. The detailed maps will help explain how the gut forms and functions, transforming research into intestinal diseases.
A team of MIT engineers has developed a drug delivery capsule that can inject large quantities of monoclonal antibodies and other proteins into the stomach lining after being swallowed. The capsule overcomes a major challenge in delivering these drugs orally, which are usually administered via injections.
A study published in The BMJ found a strong association between ultra-processed food intake and the risk of inflammatory bowel disease (IBD). Consuming five or more servings of ultra-processed food per day was linked to an 82% increased risk of IBD.
A study found that male children with Crohn's disease experience worse growth due to factors like infliximab use and poor growth at symptom onset. In contrast, female patients tend to grow better regardless of disease severity or medication interventions.
Researchers have discovered a novel consortium of bacteria that can prevent and treat chronic immune-mediated colitis in humanized mouse models. The treatment targets the source of inflammatory bowel disease, restoring normal gut function and reducing symptoms.
The American Gastroenterological Association (AGA) recommends early introduction of biologics for patients with moderate-to-severe luminal and fistulizing Crohn's disease. Biologics are the most effective treatment option, which should be used early rather than delaying their use until other treatments fail.
Researchers found selective patterns of antibody reactivity to microbiota flagellins among Crohn's disease patients, with augmented serum IgG antibodies to Lachnospiraceae flagellins. These findings suggest a potential target for prognosis and personalized therapies in Crohn's disease.
Researchers found that T cells in the small intestine have evolved a molecular sensing mechanism to protect themselves from toxic bile acids. This mechanism can be manipulated with small drug-like molecules, reducing inflammation and improving symptoms.
A study led by McMaster University identified adherent-invasive E-coli (AIEC) as a strong potential trigger for Crohn's disease. AIEC bacteria are often found in the intestines of people with Crohn's, and research suggests that they can cause the condition by allowing them to freely colonize the gut lining.
Researchers at Mount Sinai Hospital have identified genetic and cellular mechanisms underlying Crohn's disease, providing new insights for tailored treatments. By blocking the gp130 protein, they found that some patients may benefit from alternative therapies, complementing standard anti-TNF treatments.
A study published in Science reveals that a fungus found in foods like cheese and processed meats can infect sites of intestinal damage in mice and people with Crohn's disease, preventing healing. Treating infected mice with antifungal medication allows wounds to heal.
Researchers found a type of yeast called Debaryomyces hansenii elevated in areas of unhealed wounds in Crohn's disease patients. The study suggests targeting this infection may be a viable approach to treat or prevent the disease, and further studies are needed.
A new anti-inflammatory nanotherapy has shown promising results in reducing intestinal inflammation and shrinking lesions in a rodent model of severe Crohn's disease. The approach could potentially replace biologic antibody therapies with fewer side effects.
A new study reveals a 'weak point' in a type of gut bacteria that causes intestinal inflammation in patients with Crohn's disease. The researchers found that interfering with the bacteria's process relieved gut inflammation in a mouse model of Crohn's disease.
A potential preventative treatment for Crohn's disease has been demonstrated using a triple-punch treatment to remove T memory cells and increase T regulatory cells, preventing colitis in both mouse models and patient cells. This treatment approach may offer a new immunotherapy to prevent or ameliorate inflammatory bowel disease.
A study by University of Cambridge researchers found specific cell functions reactivated in the gut of children with Crohn's Disease. The research provides insight into fundamental molecular mechanisms of human gut development and may lead to childhood-specific treatments.
Researchers identified Clostridium innocuum as the microbial invader triggering 'creeping fat' in Crohn's patients. The initial response is protective but can contribute to severe intestinal scarring and fibrosis.
Researchers have developed a wearable device that monitors sweat for key biomarkers associated with inflammatory bowel disease (IBD), which could indicate flare-ups. The device has the potential to empower patients to be actively engaged in monitoring their disease and managing it.
A large study found that antibiotic use, especially broad-spectrum antibiotics, is associated with an increased risk of new-onset inflammatory bowel disease (IBD) and its subtypes. The study suggests that perturbing the gut microbiome may impact the risk of gastrointestinal disease.