Articles tagged with Gastrointestinal Disorders
A study published in Nature Metabolism has found a crucial link between mitochondrial lipid deficiency and gut inflammation, revealing that cardiolipin plays a key role in maintaining immune homeostasis. The research suggests that targeting the metabolism of immune cells could be a new approach to treating inflammatory bowel diseases.
Researchers at the Sylvester Comprehensive Cancer Center presented several studies at ASCO 2026 exploring new treatment options for patients with advanced gastrointestinal stromal tumors (GISTs) and melanoma. These include velzatinib, a targeted therapy for GIST patients, and PRAME-directed T-cell receptor therapies for synovial sarcoma.
Researchers have developed a new combination therapy that shows promising results in treating patients with Crohn's disease and ulcerative colitis. The treatment, which combines two mechanisms of action, has been shown to improve clinical remission rates by more than 20 percentage points compared to existing therapies.
Researchers have developed a new class of biodegradable, all-metal microrobots that can penetrate tissue and deliver medications without causing damage. These microrobots demonstrate both strength and safety in testing on mice, paving the way for potential applications in drug delivery and biopsy procedures.
Research finds GADD45B induces MST1 expression by promoting DNA demethylation, exacerbating apoptosis and intestinal injury in I/R. GADD45B/TET1/MST1 axis may represent a viable therapeutic strategy for I/R injury.
Researchers at Vanderbilt University Medical Center discovered that enterotoxigenic Bacteroides fragilis reshapes intestinal cell metabolism to support its growth, causing diseases like diarrhea and colorectal cancer. The study provides new possibilities for intervention by targeting metabolic interactions between host and microbes.
Researchers from UH, Baylor College of Medicine and MD Anderson Cancer Center propose a new treatment approach for Crohn's disease by targeting the stress signal that fuels inflammation. They found that repurposing two existing cancer medications can promote natural repair and regeneration of the intestinal lining.
A new study suggests that eating late at night can disrupt bowel function and lead to constipation and diarrhea. Individuals who experienced high levels of chronic stress and ate more than 25% of daily calories after 9pm were more likely to report bowel problems, highlighting the impact of meal timing on gut health.
A national survey found significant disparities in IBS diagnosis across sex and racial groups in the US. Men and Black patients are less likely to receive a formal diagnosis compared to women and white patients, despite similar reported healthcare-seeking behavior and symptom severity.
A randomized trial found that duloxetine does not prevent painful neuropathy caused by oxaliplatin-based chemotherapy in patients with stage II or III colorectal cancer. The study suggests that duloxetine should only be used for managing existing neuropathy, not prevention.
A study led by UNICAMP researchers found that decreased bacteria in the large intestine affects nutrient absorption, particularly in older adults. The research showed a dual function of a previously thought mucus-secreting cell, which absorbs nutrients and regulates its abundance with gut microbiota signals.
A meta-analysis of GLP-1 receptor agonist studies found potential safety signals for gastrointestinal side effects, while some evidence suggested a link to reduced respiratory disease risk. Further research is needed to confirm the latter association.
Researchers at Aalborg University aim to identify biological changes driving disease development with a comprehensive pre-diagnostic study of early Crohn's disease. They will analyze thousands of blood samples from patients prior to diagnosis to develop a predictive model.
Researchers from Institute of Science Tokyo discovered a unique mechanism in which conventional stem cells can temporarily switch into a specialized regenerative state called revival stem cells, driving tissue repair. This process, known as fetal reversion, enables efficient regeneration without exhausting the stem cell pool.
Researchers found that metabolism of wheat fiber by intestinal bacteria generated bioactive anti-inflammatory metabolites, including polyphenols, which reprogrammed intestinal immune cells to suppress inflammation. The study suggests eating whole wheat foods may reduce one’s risk of developing inflammatory bowel disease (IBD).
A phase 3 clinical trial found romiplostim significantly reduced chemotherapy dose delays and improved platelet counts in patients with gastrointestinal cancers who developed persistent low platelet counts during treatment. The therapy enables patients to maintain chemotherapy intensity, potentially preserving the integrity of cancer c...
A new study suggests that early life stress during pregnancy and early childhood can lead to long-term digestive issues, including gut pain and motility challenges. The research found that early life stress can shape the development of gut-brain communication, contributing to gastrointestinal symptoms in both mice and humans.
A new experimental rat model reproduces creeping fat in Crohn's disease, characterized by mesocolic adipose tissue hyperplasia with macroscopic, histological, immunological, and molecular similarities to human disease. The model supports the hypothesis that intestinal microbiota contributes to remodelling of mesenteric adipose tissue.
Researchers at Cedars-Sinai Medical Center have discovered that gut bacteria produce nicotinic acid, a molecule that activates a protective mechanism in colon cells, reducing the risk of tissue injury and disease. This finding has important implications for understanding how intestinal disorders, such as Crohn's disease, develop.
Researchers identified a link between clonal hematopoiesis of indeterminate potential (CHIP) and IBD severity. Using a drug called APX3330, the team reduced inflammation and restored colon health in mouse models.
A new clinical study aims to improve communication between patients and families about genetic risks of colorectal cancer. The trial will compare two methods of sharing genetic test results with close relatives, with the goal of learning which approach helps more family members get necessary genetic testing.
The collaboration aims to understand why IBD runs in some Saudi families and develop personalized treatment options. By studying well-characterized families with multiple members affected, researchers hope to identify exposure and biological markers that drive disease mechanisms and outcomes.
A new study examines the mechanisms, clinicopathological features, and management strategies of GI toxicity induced by targeted cancer therapies. The authors highlight the importance of close collaboration between oncologists, gastroenterologists, and pathologists to ensure accurate diagnosis.
Researchers have identified three previously unknown genotypes of Helicobacter bacteria in pygmy sperm whales stranded along the southeastern US coast. The discovery raises new questions about microbial pathogens on ocean health and their impact on vulnerable species.
Researchers found that mice without the ANGPTL4 gene were protected from intestinal inflammation and colon tumors due to altered macrophage behavior. The study suggests that early-life inflammatory events can shape long-term immune programming, providing resistance to future challenges.
A study by University of Texas at Dallas bioengineers found that both cancerous and noncancerous colon tissue from young patients with colorectal cancer was mechanically stiffer than in older patients. This stiffness may promote the development of early-onset colorectal cancer, a condition rising over the past 30 years.
A new framework proposes a 'three-strata' model to classify gastrointestinal tract cancers, guiding more precise and effective strategies. The review advocates for chemotherapy-free approaches in highly immunogenic tumors and explores optimized combinations with chemotherapy for intermediate-sensitive tumors.
A study by NYU researchers found that children with Crohn’s disease have a unique microbiome signature, characterized by more pro-inflammatory and less protective bacteria. This could lead to personalized treatments for pediatric Crohn’s disease.
A Dartmouth study found that plasmids can form tight clusters within bacterial communities, making them resistant to antibiotics and clinical treatments. This phenomenon introduces a new avenue for bacterial infections to become more difficult to treat.
A mobile endoscopy team performed over 500 procedures in rural hospitals across Western Cape, South Africa, revealing a high burden of treatable gastrointestinal diseases. The program substantially reduced patient travel, improving continuity of care and early cancer detection.
Researchers have engineered gut bacteria that dim their fluorescent glow in the presence of illness, allowing for early detection of gut conditions. The developed biosensor can provide continuous monitoring through stool samples and pick up subtle changes in gut health before symptoms develop.
Researchers created pea-sized mini-stomachs with three main regions, replicating human stomach function and acid secretion. The study models a rare genetic disease, paving the way for personalized treatment and accelerated clinical approval.
Researchers at UC Riverside find that faulty gene PTPN2 increases susceptibility to harmful bacteria like AIEC, leading to gut inflammation and IBD. The studies suggest that restoring PTPN2 function or using medications like JAK inhibitors may help control harmful bacterial growth.
A study published in Stem Cell Reports suggests that transferring young microbiota to the intestines of older mice can speed up healing and improve the regenerative potential of intestinal stem cells. This approach may have implications for treating gut-related conditions such as inflammatory bowel disease.
A new study found that genetic differences in vitamin B1 transport and activation are linked to bowel movement frequency, highlighting potential new pathways for research on gut motility disorders. The analysis also supports the idea of a biological overlap between bowel movement frequency and IBS.
Research reveals that fat located near the colon contains an unusually high number of inflammatory fat cells and immune cells, suggesting a unique function in communicating with the immune system in the gut region. This tissue may be an adaptation to the gut microbiome and could contribute to amplifying or sustaining inflammation.
Researchers have made a groundbreaking discovery about how bacteria swim upstream to cause infections, pointing to new designs for biomedical devices that can prevent contamination. The study found that wider channels with faster counterflows are more prone to invasion, but sharp corner designs can inhibit bacterial growth.
Researchers uncover a key ion channel, TRPM4, that regulates intestinal fluid balance and identify a new druggable site. This discovery provides a blueprint for designing targeted treatments for gastrointestinal disorders.
A new study found that bowel preparation procedures for colonoscopies can disrupt the gut environment, making mice more susceptible to infection and inflammation. The researchers hope to understand whether these procedures may put people with inflammatory bowel disease (IBD) at risk of exacerbation.
The Algae for Health in Food and Pharma summit explores the latest developments in algae cultivation and processing, food innovation, and pharmaceutical applications. The event aims to advance the understanding of algae's health potential and highlight its applications across the food and pharmaceutical sectors.
Researchers at North Carolina State University have identified a novel kirkovirus associated with colitis and small colon impactions in horses. The study found that the virus was present in 24% of horses with colitis, suggesting it may be a potential culprit in some cases.
Researchers have created a simple and efficient system to understand norovirus gene functions, enabling the development of antivirals and vaccines. The new method involves injecting norovirus cDNA clones into zebrafish embryos to generate infectious human noroviruses.
A McMaster University study reveals that pantoprazole, a widely available medication, prevents serious stomach bleeding in critically ill patients while saving hospitals thousands of dollars. The study's findings have significant implications for critical care practitioners, pharmacy departments, and policymakers.
The American Gastroenterological Association has released an updated clinical guideline on the pharmacological management of moderate-to-severe Crohn’s disease, recommending early use of high-efficacy therapies to improve patient outcomes. The guideline organizes treatments by efficacy to simplify decision-making for gastroenterologist...
Researchers Andrew Gewirtz and Lanying Du from the Institute for Biomedical Sciences at Georgia State University have been recognized as Highly Cited Researchers in 2025. They are among the top 1% of globally impactful researchers, with highly cited papers in multiple fields.
The Phase 3 study demonstrated the safety and non-inferiority of EuTYPH-C Inj.® Multi-dose compared to a World Health Organization (WHO) prequalified comparator TCV, Typbar TCV®. The vaccine was shown to be well-tolerated across all age groups with no serious adverse events.
A new observational study found that semaglutide, tirzepatide, and dulaglutide have similar gastrointestinal safety profiles among patients with type 2 diabetes. The medications were assessed in a large database of adults with T2D, who underwent treatment with these GLP-1 RA medications between 2019 and 2024.
A novel multichamber magnetic capsule robot has been developed to selectively open specific chambers for targeted liquid sampling or drug release, revolutionizing digestive tract diagnosis and treatment. The robot's modular design allows for flexible adjustment of the number of chambers as demand requires.
Researchers discovered that Shigella flexneri uses three effectors to disable host defense pathways, allowing the pathogen to replicate and evade the immune system. This study offers new insights into developing vaccines and targeted therapies for inflammatory colitis, a significant public health challenge.
A 52% increase in complicated cases of diverticulitis was found among patients under 50, with a shift towards younger demographics and more aggressive disease presentations. Treatment strategies have evolved, but the exact causes of this trend remain poorly understood.
Research from the University of Gothenburg has identified two bacteria that can produce bioactive serotonin, a key player in bowel movements and brain function. These findings suggest new avenues for treating functional gastrointestinal disorders like IBS.
The new American Gastroenterological Association guideline emphasizes the need for regular monitoring in many patients with Barrett's esophagus who do not exhibit dysplasia or cancerous changes. The guideline also recommends using high-definition white-light endoscopy in combination with chromoendoscopy to improve detection of Barrett'...
Double negative T cells (DNT cells) play an indispensable role in suppressing intestinal inflammation, acting as antigen-presenting cells. Their impaired function may contribute to the pathogenesis of Crohn’s disease, suggesting they could be a potential therapeutic target.
Researchers identified a cellular mechanism that alters the gut microbiome in a way that promotes cancer. Long-chain fatty acids serve as food for certain bacteria, such as Desulfovibrio fairfieldensis, which multiply and displace other microbes.
Researchers at uOttawa are developing an AI tool to provide personalized dietary strategies for people living with inflammatory bowel disease (IBD). The project aims to match specific types of carbohydrates to individual patients' unique gut microbiomes.
The USC team is developing a new drug aimed at a previously unexplored biological target in Alzheimer’s disease, focusing on a trigger of brain inflammation. They have identified an enzyme that predisposes the brain to inflammation and are now working to find a drug that can block it without harmful side effects.
The Crohn's & Colitis Foundation has launched GLIDE, an integrated global registry to connect patient data from IBD registries worldwide. This initiative aims to accelerate insights into complex clinical questions, driving improvements in care for those living with Crohn's disease and ulcerative colitis.
Gastroparesis affects thousands of people worldwide, causing nausea and quality-of-life disruptions. The new AGA guideline recommends tailored treatment plans based on individual patient needs, using metoclopramide or erythromycin as initial pharmacological therapy.
A new review article highlights the need for effective control and prevention strategies for sexually transmitted gut infections, which can persist longer and be harder to treat. The authors emphasize the importance of prompt diagnosis, appropriate treatment, and community-level education and testing.