Articles tagged with Gastrointestinal Disorders
Researchers highlight recent progress in organotypic models, which offer a balance between the accessibility and control of in vitro context. These models have been used to study various aging-related phenotypes, including skin, gut, and skeletal muscle, providing valuable insights into the underlying mechanisms.
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.
A new deep learning model using conditional generative adversarial networks (cGANs) has been developed to diagnose bowel ischemia. The model achieved an accuracy of over 93% in segmenting ischemic intestine images, surpassing current subjective methods.
A new survey by the European Federation of Dietitians supports moderate coffee consumption as having clear health benefits, including improved alertness and sports performance. The study involved 585 dietitians from across 26 European countries.
A novel surgical procedure has shown promising results in addressing incontinence in children with Hirschsprung disease who underwent the pull-through operation. Four of six patients have achieved normal bowel function, reporting improved quality of life and increased freedom.
The study highlights the importance of the gut microbiome in metabolic conditions like obesity and neurological diseases such as Parkinson's. Pesticide exposure is also found to disrupt the gut microbiota, leading to brain-gut alterations that can exacerbate these conditions.
Researchers discovered a link between reduced protein synthesis and Feingold syndrome type 1, a rare genetic disorder. The study suggests that a nutritional supplement may help reverse this decrease, potentially alleviating intestinal symptoms in patients with the condition.
Researchers have developed a preclinical model of appendiceal cancer, which accurately recapitulates the disease's cell mix and behavior. The organotypic slice culture model offers promising new avenues for studying the pathobiology of this rare tumor and testing potential treatments.
Researchers from University of South Australia found that porous silica can prevent fats and carbohydrates from being adsorbed in the body. Engineered particles of purified sand are designed to soak up digestive enzymes, fats, and sugars within the gastrointestinal tract.
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 at the University of Helsinki found that periodontitis has a particular link with diabetes and accelerates its progression. The research highlights the importance of considering general and oral health as a whole in healthcare to achieve better treatment outcomes.
A groundbreaking study has determined the threshold for a new measure of early scarring in children with eosinophilic esophagitis, enabling immediate intervention during endoscopy. This allows targeting and reducing treatment time, leading to improvements in symptoms.
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 new combination immunotherapy regimen shows remarkable activity in metastatic colorectal cancer patients without liver metastases, achieving a response rate of 40% and median overall survival exceeding 20 months. The study's findings confirm the importance of the tumor microenvironment in shaping the response to immunotherapy.
Researchers found that people with type 2 diabetes are being admitted to hospital at greater frequency for non-traditional complications, including infections and mental health disorders. These emerging complications pose a significant burden on healthcare systems and may require changes to diabetes management.
New research from Flinders University found a molecular link between COVID-19 and serotonin cells in the gut. The study suggests that these cells synthesise and release serotonin, which is highly enriched for SARS-CoV-2 receptors, potentially worsening disease outcomes.
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.
The ISM Annual Meeting highlights new topics in oral, vaginal, skin, and gut microbiota, as well as their metabolites and potential implications in diseases like cancer, depression, and stroke. The meeting aims to explore the mechanism behind microbiota efficacy and its potential application in precision medicine.
A new study from Tel Aviv University found that CRISPR therapeutics can lead to a significant loss of genetic material in treated cells, potentially destabilizing the genome and promoting cancer. The researchers detected up to 10% of cells with lost chromosomes, highlighting the need for extra care when using this technology.
A world-first study has confirmed the link between Alzheimer's Disease and multiple gut disorders, revealing shared genetic architecture. The study suggests that abnormal cholesterol levels play a key role in both conditions, and may lead to new potential treatments for Alzheimer's and gut disorders.
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 team of researchers created an in vitro human model of environmental enteric dysfunction (EED) using the Human Organ Chip technology. The EED Chips recapitulate features of EED found in biopsies from human patients, including inflammation and intestinal barrier dysfunction. The study sheds light on the complex interplay between malnu...
Research on wild Assamese macaques reveals that their gut bacteria composition changes uniquely with age, despite similar lifestyles. This finding suggests that the process is part of natural aging and not due to lifestyle changes, with potential implications for developing personalized therapies against intestinal diseases.
Researchers at Ural Federal University created a sensor to detect human saliva pH levels using a reusable, non-toxic fluorophore. The sensor can pick up small fluctuations in pH and provides accurate results in just 5-7 seconds.
Researchers have found a negative correlation between Helicobacter pylori infection and inflammatory bowel disease (IBD) prevalence, suggesting the bacterium may protect against IBD. This is supported by studies showing improved gut microbiota diversity and increased abundance of beneficial bacteria in H. pylori-infected individuals.
A new preclinical study by Weill Cornell Medicine researchers shows that naturally-produced IgG antibodies in breast milk can protect infants from infection-induced diarrheal illness. These antibodies enhance infant immunity against bacterial pathogens causing gastrointestinal diseases.
A new study found that microgravity analog culture profoundly affects the microbial infection process in 3-D human tissue models. This is critical for ensuring astronaut health on extended space missions and sheds light on mysterious processes of infection on Earth.
Researchers have shown ablation therapy can correct stomach dysrhythmias, eliminating abnormal electrical activity and restoring normal function. The technique may now be able to treat patients suffering from gastrointestinal disorders.
A new study found a bi-directional relationship between gastrointestinal issues and internalized symptoms in children with autism, highlighting the importance of the gut-brain axis. The research aims to develop personalized treatments for individuals with autism experiencing gastrointestinal problems.
Researchers have found that preterm infants with certain viral signatures in their gut are at risk of developing necrotizing enterocolitis (NEC), a serious and often fatal disease. The study highlights the potential for early warning signals to alert clinicians, allowing emergency action to be taken.
A study discovered that a common gut parasite, Blastocystis ST4, has beneficial properties by stabilizing the bacteria ecosystem and promoting quicker recovery from inflammation. The parasite may potentially be translated into probiotics to treat inflammation in patients.
Research reveals that an imbalance in gut microbiota, known as dysbiosis, may contribute to the development and progression of Parkinson's disease. Studies found a direct correlation between gut dysbiosis and Parkinson's, with certain bacteria contributing to protein aggregation and neuronal damage.
A recent report by the International Society of Microbiota confirms a bidirectional interplay between gut microbiota and various organs, highlighting the crucial role of microbiota in disease pathogenesis. The report also explores therapeutic strategies for manipulating gut microbiota to prevent and treat disorders.
Researchers at Penn Medicine have discovered a new approach to treat solid cancers using CDH17CAR T cells, which selectively target and eliminate gastrointestinal (GI) solid tumors like gastric, pancreatic, and colorectal cancers in preclinical models. Unlike other immunotherapies, CDH17CAR T cells do not show toxicity to healthy tissues.
Researchers at Clemson University have identified a genetic variation associated with congenital idiopathic megaesophagus (CIM) in German shepherd dogs, which is often fatal if left untreated. A genetic test using melanin-concentrating hormone receptor 2 and dog's sex can predict the risk of CIM with 75% accuracy.
The SynGAP Research Fund has developed a pre-screening tool to identify potential SYNGAP1 patients through a free online survey. The partnership with Probably Genetic aims to screen undiagnosed patients and provide them with genetic testing resources, ultimately advancing treatment development for SYNGAP1.
A nationwide study in Germany found that liver cirrhosis has the highest mortality rate among chronic diseases, with 0.94% of hospital admissions affected. The study also showed a decline in mortality rates due to improvements in Hepatitis C treatment, but an increase in non-alcoholic fatty liver disease cases.
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.
Scientists have identified a key receptor in the digestive tract that triggers pain and inflammation in the colon. By blocking this receptor from entering cells, researchers found significant reduction in pain and inflammation. This discovery holds promise for treating inflammatory bowel disease.
Researchers at MIT have developed a pill that can deliver RNA to the stomach, potentially making vaccines easier to tolerate and treat gastrointestinal diseases. The capsule is designed to release RNA in the stomach, where it can stimulate an immune response without being degraded by digestive enzymes.
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.
Proton pump inhibitors are underutilized in high-risk patients due to knowledge gaps and barriers among specialties. Multi-component interventions can improve guideline-based use to prevent upper gastrointestinal bleeding.
A study analyzing US SEER data from 2000-2016 found that younger age groups experienced the steepest increase in distant-stage early-onset colorectal adenocarcinoma incidence. Younger non-Hispanic Black and Hispanic populations showed greater proportions of distant-stage disease.
A recent study has investigated the effect of donor selection on transplanted microbiota establishment and long-term stability in aged hosts. Autologous FMT demonstrated better resilience than heterologous FMT in restoring gut microbiota diversity after antibiotic-induced perturbation.
Barrett's esophagus is caused by long-term GERD, which leads to changes in cells where the stomach and esophagus meet. Researchers found that stomach cells adopting intestinal cell qualities may be a key factor in its development.
A study by Kennedy Krieger Institute explores how GI problems in children with autism affect their families. Researchers identified four main themes: anxiety, diet, microbiome imbalance, and medication impact. The findings highlight the need for interventions to address poor gut health and its consequences.
Researchers found that adding tomato concentrate to a mouse's diet reduced intestinal and systemic inflammation in individuals with chronic HIV. The study suggests targeting the inflamed intestine may be a novel way to prevent persistent inflammation.
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.
The KEYNOTE-811 trial demonstrates a significant improvement in objective response rate (74.4%) and tumor size reduction compared to trastuzumab and chemotherapy. The combination of pembrolizumab, trastuzumab, and chemotherapy markedly reduces tumor size and induces complete responses in some patients.
Researchers developed an AI system to detect inflammation in ulcerative colitis patients using live colonoscopy videos. The system accurately predicted remission cases with high accuracy, reducing the need for invasive biopsies.
The coating protects bacteria during the freeze-drying and manufacturing process, allowing them to be used therapeutically. The researchers tested the coating on a strain of E. coli and another species that aids in digestion of plant starches.
A new study links the composition of gut microbiome before infection to HIV susceptibility and progression. Men who contracted HIV in the early days of the pandemic had a greater relative abundance of pro-inflammatory vs. anti-inflammatory gut microbes, which contributed to their increased risk of developing AIDS.
A study found that specific DNA changes influence bowel habits and predisposition to IBS. Genetic profiles were correlated with questionnaire data, identifying regions of the genome involved in gut motility. This discovery may lead to new drug targets for treating constipation, diarrhoea, and dysmotility syndromes.
A recent study found that antibiotic resistance rates for Helicobacter pylori are decreasing in European countries. The use of three antibiotics over 10-14 days resulted in success rates of over 90%. The researchers hope to reduce antibiotic consumption to prevent further resistance.
A study by Tokyo University of Science researchers identifies a novel regulatory axis targeting dendritic cell activity, suppressing autoimmune disease symptoms and bone loss. They discovered DCIR binds to glycoproteins on macrophages and osteoclasts, reducing inflammation and immune responses.
Researchers at Massachusetts General Hospital have uncovered important details about Shigella's translocon, a pore that injects bacterial proteins into infected cells. The findings may help develop an effective strategy to block this critical component of infection and prevent diseases like dysentery.
An international research team discovered that intestinal bacteria can distribute their metabolic products throughout the body via the bloodstream using membrane vesicles. The study found that these vesicles can overcome the blood-brain barrier and enter brain cells, suggesting a new method for delivering drugs or vaccines.