Articles tagged with Intestines
Scientists at Michigan Medicine have developed a new way to grow tiny models of organs, called organoids, using a simple suspension culture. This breakthrough improves the understanding of human development and could lead to new insights into disease.
A preclinical study by Weill Cornell Medicine researchers reveals that a specific group of fungi residing in the intestines can protect against intestinal injury and influence social behavior in mice. The findings suggest a novel signaling system connecting fungi in the gut to their host's cells, including immune cells and neurons.
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 from Tokyo Medical and Dental University have developed a protocol to transplant 3D cellular structures called organoids into the colon to repair damaged intestinal tissue. This approach shows promise as a quick, reproducible, and minimally invasive method for treating ulcerative colitis.
Research in C. elegans reveals that intestinal stress signals can control oocyte chromosome stability, influencing egg quality control and heritable euploidy. This study opens new possibilities for eliminating environmental influences and preventing malformations.
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 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 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.
Researchers developed a human Intestine Chip to study coronavirus infection and test potential treatments. The chip showed that nafamostat reduced virus presence while remdesivir damaged intestinal tissue, offering insights into underlying causes of GI symptoms and improving understanding of treatment efficacy and toxicity.
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.
Researchers identify beneficial bacteria like Klebsiella oxytoca that can combat hospital germs like K. pneumoniae. The study found that co-infection with these 'good' bacteria reduces susceptibility to infections and promotes a quicker recovery after antibiotic therapy.
A Johns Hopkins Medicine research team has provided a definitive view of the biological process leading to necrotizing enterocolitis (NEC), a dangerous inflammatory disease that can destroy a premature infant's intestinal lining. The loss of enteric glia leads to intestinal dysmotility, which is a key factor in NEC's genesis.
A high-fat diet causes inflammation and damages intestinal epithelial cells, leading to the growth of harmful microbes and increased production of trimethylamine-N-oxide, a metabolite associated with cardiovascular disease. Researchers found that restoring intestinal function with a drug can blunt this effect.
Researchers used 3D scanning to study shark intestines, discovering that spiral-shaped organs slow food movement and direct it downward through the gut. This finding sheds light on how sharks process their food and retain nutrients, with implications for understanding ocean ecosystems.
A team of researchers has deciphered the mechanisms leading to the concave shape of intestinal crypts and the migration movement of cells towards peaks. The study used a combination of computer modeling and in vitro experiments, revealing that mechanical forces exerted by cells control both processes.
A new study by Washington University School of Medicine identifies a protein called Interleukin-22 that may protect babies from necrotizing enterocolitis, a leading cause of death among premature infants. The findings suggest that low levels of IL-22 in the intestine lead to an exaggerated inflammatory response and tissue damage.
Researchers discovered a new bacterium, Dysosmobacter welbionis, present in 70% of the population, which produces butyrate and has anti-inflammatory effects. The bacteria was found to increase mitochondrial activity, lowering sugar levels and weight in mice, suggesting potential for treating type 2 diabetes and obesity.
A new clinical study has shown that supplements of a lactic acid bacterium may have positive effects by increasing the diversity of intestinal bacteria in extremely preterm infants. The treatment reduced the risk of necrotizing enterocolitis, a life-threatening inflammation of the gut.
Scientists from the University of Copenhagen have created an AI-powered method to study the complex gut microbiome by analyzing faeces. The technique can help identify patterns in bacterial composition and connection to diseases like diabetes and autism.
The study describes how the different neurons form during fetal development, a process that follows different principles to brain neurons. The researchers identified twelve different kinds of ENS neuron, including subgroups of sensory neurons activated by substances in the intestines and affecting the immune system.
Researchers discovered vitamin D regulates calcium in the distal intestine, a previously unknown role. This finding has implications for treating bowel disease and calcification disorders.
Researchers at TUM have developed human intestinal organoids as a model for studying nutrient and drug transport in the intestines. These miniature intestines can accurately reflect physiological processes inside humans, paving the way for medical and pharmaceutical applications such as drug screening.
Researchers have identified two variants of Parkinson's disease, with one starting in the intestines and spreading to the brain, and another starting in the brain and affecting the intestines and heart. This discovery could lead to personalized medicine and new treatment options for patients.
A newly identified mutation in microsomal triglyceride transfer protein (MTP) may enable the development of more specific inhibitors to reduce triglyceride levels without intestinal side effects. This discovery has important public health implications for cardiovascular disease prevention.
Researchers found that intestinal microbes direct antibody development before infection, with diverse B cell receptors shaped by beneficial bacteria. This process is not random and can be influenced by the type of microbe and its location in the body.
The study reveals 10 major hormone types and their interactions, shedding light on how enteroendocrine cells sense food and regulate hunger and satiety. The discovery offers new avenues for treating diseases like type 2 diabetes and obesity.
Researchers have successfully developed a method to create proteolytically resistant therapeutic peptides that can survive the gastrointestinal tract. This breakthrough enables the development of oral peptide drugs targeting gastrointestinal targets, such as Crohn's disease and ulcerative colitis.
Researchers discovered that SARS-CoV-2 can infect intestinal cells in vitro, explaining gastrointestinal symptoms and fecal-oral transmission. The study provides a new cell culture model for studying COVID-19 and may lead to new treatments by blocking the virus's entry into cells.
A gut-to-brain circuit, identified in mice studies, shows signals from sugar molecules travel to the brain, nurturing an appetite for more. The pathway appears picky, responding only to glucose-like molecules, but ignores artificial sweeteners.
Research at Shinshu University found that green tea consumption increases Flavonifractor plautii bacteria in the gut, leading to a suppressed Th2 immune response to food allergies. This study suggests that drinking green tea may be a potential anti-allergy probiotic.
Researchers from IDIBELL and ICO conducted a pilot study to analyze intestinal microbiota genome in colon cancer patients. They used two sequencing methods, 16s and Shotgun, and found both techniques consistent, with complete sequencing more sensitive but not contradictory to single-gene sequencing.
Dr. Tim Denning receives a $1.67 million grant to study the IL-36/IL-36 receptor axis in gut immunity and its potential therapeutic value for treating inflammatory bowel disease.
Research shows that maternal microbiota provides immunity to newborns against E. coli, a disease-causing microbe. The study reveals that antibodies are passed on to offspring through milk and the placenta, offering protection beyond just breastfeeding.
Researchers have found that disrupting normal microbial development in the intestine can lead to severe infections in newborns. Giving specific protective bacteria before infection may prevent deadly infections, suggesting a potential treatment for premature infants.
Researchers found that space travel disrupts intestinal epithelial cell barrier function even after return to Earth. The microgravity environment weakens the immune system and increases gastrointestinal permeability.
A new study reveals that intestinal stretch sensors uniquely stop hungry mice from wanting to eat, contradicting long-held assumptions about how we feel full. Researchers mapped the molecular and anatomical identities of vagal sensory cell types innervating the stomach and intestine, discovering that these stretch receptors are more po...
Research finds that ketone bodies activate Notch signaling pathway, enhancing intestinal stem cell regeneration and function. A ketogenic diet boosts stem cell proliferation and repair damaged intestinal tissue.
Children's Hospital Los Angeles researcher Dr. Mark Frey will investigate epithelial growth and regeneration in the intestinal tract, with a focus on proteins ErbB3 and ErbB4, to minimize chemotherapy and radiation toxicity.
Researchers have discovered that plants can transmit antibiotic-resistant superbugs to humans, highlighting the importance of tackling foodborne resistance from all aspects of the food chain. The study found that certain antibiotics can increase the ability of bacteria to colonize the gut after ingestion, while others can prevent it.
Research on Drosophila reveals that Ets21c promotes intestinal epithelial renewal, but its loss accelerates tissue turnover and makes flies vulnerable to stress. The study contributes to understanding regenerative processes under favourable and stressful conditions.
Researchers from CNIO have found that high levels of URI protein protect mice from radiation-induced intestinal damage, while low or no detectable levels lead to gastrointestinal syndrome and death. The study opens up new avenues for treating and preventing gastrointestinal syndrome by inhibiting c-MYC.
A new study from Rockefeller University reveals that the gut is organized into compartments with different immune system functions in each segment. This discovery has potential to improve drugs for gastrointestinal disorders and inform the development of oral vaccines.
Research found that maternal microbes can impair the gut barrier during pregnancy, leading to increased inflammatory markers and altered placental development. A high-fat diet exacerbated these effects, impacting fetal intestinal development and potentially affecting metabolism after birth.
The microbiota controls neutrophil activity by producing Serum Amyloid A (Saa), a host protein that restricts aberrant activation while enhancing migration to wounds. Saa reduces bactericidal activity and expression of pro-inflammatory genes in neutrophils.
A study by researchers from Charité - Universitätsmedizin Berlin has identified a molecule, c-Maf, that regulates the balance between the immune system and gut microbiota. This finding may lead to new therapies for chronic inflammatory bowel disease.
Researchers create micromotors coated with red blood cell membranes and titanium dioxide that target the mucus layer of the intestine, stimulating a broader immune response. The oral vaccines successfully delivered in mice, producing ten times more IgA antibodies against Staphylococcal α-toxin than static particles.
Scientists discovered rare enteroendocrine cells in the intestine that produce hormones like ghrelin and GLP1, which can be tweaked to treat diseases like diabetes and obesity. By studying these cells using single-cell sequencing, researchers hope to develop new therapies.
A study by researchers at the CNIC reveals a new mechanism in intestinal bacteria regulation that prevents inflammation and promotes mutual benefit. The findings suggest that certain bacteria, such as Lactobacillus, strengthen the intestinal barrier through interaction with receptor Mincle.
Researchers at FAU have identified TRM cells as a key player in inducing acute inflammatory episodes in bowel diseases, leading to flare-ups and tissue damage. Patients with high proportions of these cells are more likely to experience severe symptoms.
A new research project, backed by the Innovation Fund Denmark, aims to standardize fecal microbiota transplantation (FMT) treatment for Clostridium difficile diarrhea. The project will develop a secure feces bank and screen future feces donors to ensure high safety and effectiveness.
A non-pathogenic fungus can expand in the intestines of antibiotic-treated mice and enhance the severity of allergic airways disease. The study suggests that alterations in gut microbiota induced by intestinal fungi might be a previously unrecognized but potentially important risk factor for patients with asthma.
KU Leuven scientists found long-lived macrophages in mice intestines that can survive for at least eight months, vital for nerve cell survival. These macrophages play a critical role in maintaining intestinal health, and their dysfunction leads to digestive problems.
Researchers discovered that fruit flies have a diverse and stable gut microbiota, with bacteria able to colonize the fly's intestine. This discovery sheds light on how fruit flies 'farm' bacteria, similar to humans using yeast or bacteria in food production.
A study reveals a connection between viruses and inflammatory bowel diseases like ulcerative colitis and Crohn's disease. Phages play an unidentified role in IBD, potentially leading to new treatments by targeting specific bacteria with viruses.
A 24-hour fast can reverse age-related decline in intestinal stem cells' regenerative capacity. Fasting induces a metabolic switch that enhances stem cell function, which can be reproduced by activating PPARs with a molecule.
A study on bariatric surgery reveals that changes in the intestines lead to the reversal of diabetes after weight-loss surgery. The research found dramatic changes in gene expression in intestinal tissue, explaining blood glucose improvement and body weight loss after RYGB surgery.
Researchers discovered that brain-gut signals lead to an axis of aging, where the brain and intestines work together to regulate longevity. The study found two types of neurons processing temperature cues, transmitting information to the intestine to boost or slow down aging processes.
Researchers at FAU have deciphered what causes life-threatening inflammation of the intestines after a stem cell transplant, identifying a protein named BATF as a central switch in donor T-lymphocytes. The discovery may lead to new therapies to influence inflammation and increase patients' chances of survival.
A study by Indiana University researchers found a link between the fragile X syndrome gene and excessive tissue growth. The discovery reveals a key biological mechanism behind the physical and mental impairments caused by fragile X syndrome, which affects 1 in 4,000 males and 1 in 6,000 females.