Articles tagged with Stomach
Scientists have discovered a neural superhighway that enables rapid communication between the gut and brain, contradicting decades of research on hormonal transmission. This breakthrough has profound implications for our understanding of appetite and other gut-related disorders.
Researchers create pill composed of sugars that encapsulates tens of thousands of micromotors made of a magnesium/titanium dioxide core loaded with fluorescent dye cargo. The pill improves release and retention of micromotors in the stomach, enabling targeted delivery of medicines.
Researchers found that viruses like norovirus and rotavirus are transmitted through membrane-cloaked 'virus clusters' that increase disease severity. These clusters, previously unknown to cause human-to-human transmission, may lead to more effective treatments targeting these clusters.
Researchers analyzed the stomach contents of the world's oldest naturally preserved ice mummy and found a remarkably high proportion of fat in his diet. The analysis also revealed wild meat from ibex and red deer, cereals, and traces of toxic bracken, providing insights into ancient dietary habits and food preparation.
Scientists discovered that polyps of the marine hydrozoan Ectopleura larynx allow genetically unrelated individuals to fuse their bodies and share skin and stomachs. This unique behavior provides survival advantages in a competitive ocean environment.
Researchers found that the vagus nerve's connection to the brain's memory center, hippocampus, plays a crucial role in spatial awareness and food recall. The study suggests that gut-brain axis may have been used by early humans as a navigational system, enabling them to remember food sources and return repeatedly.
A new study found that Helicobacter pylori bacteria can shut down the energy production in host cells to evade the immune system, leading to an increased risk of gastritis, ulcers, and stomach cancer.
MIT researchers have developed an ingestible sensor equipped with genetically engineered bacteria that can diagnose bleeding in the stomach or other gastrointestinal problems. The sensor, powered by ultra-low-power electronics, can detect biological signals in near real-time and transmit data to a smartphone.
10% of patients infected with the rising European strain experience abdominal pain, a symptom often overlooked by doctors. The study's findings highlight the need to consider this atypical form of meningococcal disease in medical diagnosis.
A recent study found that celecoxib, an NSAID, had better gastrointestinal safety than ibuprofen or naproxen when co-prescribed with esomeprazole. The medication was associated with infrequent gastrointestinal side effects in arthritis patients, making it a safer option for those taking these medications.
Researchers at Nagoya University have successfully determined the crystal structure of the gastric proton pump, a key enzyme in stomach acid secretion. The study sheds light on how the pump expels hydrogen ions into the stomach despite its acidic environment.
A DNA study of cow stomachs could significantly boost meat and dairy production by understanding which microbes help cattle extract energy from food. The research identified previously unknown enzymes that can break down plant material, potentially leading to new biofuels.
A Rutgers study reveals that most primates can digest insect exoskeletons due to the presence of a stomach enzyme called CHIA. Insects have been an essential food source for early primate ancestors, and their nutritional value is comparable to other protein sources.
The ingestible capsule detects and measures gut gases, revealing a potentially new immune system and mechanisms in the human body that have never been seen before. The technology offers a game-changer for gastrointestinal disorders and could lead to fewer invasive procedures like colonoscopies.
Researchers found that mature cells can revert to a stem cell-like state, carrying accumulated mutations that predispose them to developing into precancerous lesions. This new understanding could lead to the development of treatments targeting mature cells, potentially preventing cancer recurrence.
A new shape-shifting polymer can target and kill Helicobacter pylori bacteria in the stomach, improving digestive health for billions worldwide. The agent morphs into a bacterial hole-puncher at acidic pH, killing H. pylori while sparing helpful gut bacteria.
Researchers found that different conditions leading to reduced gastric acid secretion alter the stomach's microbial community, influencing tumor risk. The study suggests that manipulating these bacterial communities may lead to new ways to prevent cancer.
Researchers at MIT have developed a flexible sensor that can be ingested to diagnose gastrointestinal disorders such as slow digestion and monitor food intake. The sensor measures the rhythmic contractions of the digestive tract, providing valuable information on stomach movement.
A multi-disciplinary team developed flexible sensors that can sense movement and ingestion in the stomach for at least two days. These devices can harvest energy from the gastrointestinal tract movement and potentially power novel ingestible electronic systems.
A Mayo Clinic study found that Liraglutide slowed stomach emptying and led to significant weight loss in treated patients. The degree of stomach emptying delay was associated with the degree of weight loss, suggesting a potential biomarker for individualizing obesity treatment.
A large study found that antireflux surgery has a low risk of complications and relapse in young, healthy males. The procedure is considered an under-used therapeutic alternative to long-term medication, which can lead to osteoporosis and other complications.
Researchers developed micromotors that swim through stomachs to deliver antibiotics, reducing need for proton pump inhibitors. The treatment was more effective than traditional methods in mice with Helicobacter pylori infections.
A 30-year-old woman had a dental brace wire removed from her bowel after 10 years, revealing a twisted intestine. The wire was surgically removed without complications, and the woman made a full recovery.
A simpler biopsy procedure has been developed to reduce stress and improve patient care during gastrointestinal endoscopy. The new method, called endoscopic multiple biopsy (MB), allows for faster diagnosis with equal quality results.
Researchers have developed a new contact lens coating made from a molecule found in pig stomach mucus, which can prevent tissue damage caused by dry eyes. The coating is long-term protective and requires no repeated applications, offering an alternative to existing hyaluronic acid products.
Researchers at MIT and Brigham and Women's Hospital have developed triggerable tough hydrogels that can expand in the GI tract for days, slowly releasing medication. The materials, made from two intertwined polymer networks, can be triggered to self-destruct in case of an allergic reaction.
A new ambulatory monitoring device tracks gastric slow waves in patients with gastroparesis, enabling better understanding of the condition and its treatment. The device offers a window into stomach bioelectrical activity, revolutionizing digestive disease diagnosis and treatment.
Researchers have discovered an enzyme that can break down small amounts of gluten within the digestive system, reducing symptoms in gluten-sensitive patients. The study found that taking the enzyme tablet while consuming gluten-containing foods prevented a significant amount of it from entering the small intestine.
Researchers have successfully powered small electronic devices in the gastrointestinal tract using mid-field wireless powering, a technique that operates at higher frequencies for more efficient delivery. This breakthrough could transform disease diagnosis and treatment by enabling implantable devices to operate wirelessly.
A recent study by researchers at the Medical University of South Carolina found that nasogastric tube placement in patients with typical upper GI bleeding had no impact on outcomes. The study's results suggest that this procedure may be unnecessary for millions of patients, reducing costs and discomfort associated with it.
The study reveals that H. pylori uses a pH-responsive mechanism to detach from old cells before reaching the gastric acid, allowing it to rapidly recycle the infection. This adaptive mechanism enables only the best-fit bacterial cells to survive and fortify the chronic infection.
Researchers at MIT and Brigham and Women's Hospital have designed a small voltaic cell powered by acidic stomach fluids, generating enough energy to run small sensors or drug delivery devices. This innovation could offer a safer and lower-cost alternative to traditional batteries.
A research team developed ingestible prototypes that draw energy from gastric acid and provide power for nearly a week. They used zinc and copper as electrodes to harness energy from both the stomach and small intestine.
Scientists developed micromotors that speed independently through the stomach, neutralizing acid and releasing drugs at precise pH levels. This approach avoids common side effects associated with traditional treatments, making it a promising method for treating stomach diseases.
Researchers successfully grew functional human stomach and intestinal tissues using pluripotent stem cells, enabling the study of diseases such as gastric cancer. The discovery allows for the modeling of new treatments and understanding of human development and health.
Researchers have developed a new drug capsule that can remain in the stomach for up to two weeks, gradually releasing its payload. This technology could simplify disease treatment and lead to improved efficacy in mass drug administration campaigns.
Researchers have identified a highly specific adhesion between Helicobacter pylori and human cells, which could be used diagnostically and therapeutically. This new approach aims to prevent the bacterium's attachment to stomach cells, potentially suppressing its damaging effects.
A new rare ant species, Lenomyrmex hoelldobleri, has been discovered in the stomach of a Little Devil poison frog in Ecuador. The ant is the seventh known species in its rarely collected Neotropical genus and features a slender elongate mouthpart.
Researchers suggest that 'leaky gut' syndrome could be the cause of Olympic stomach upsets. The study found that zinc carnosine, taken alone or with bovine colostrum, may improve the performance of the mucosal barrier of the gut.
Researchers discovered a soy-based protein called soy-ghretropin that increases blood levels of ghrelin, an appetite-stimulating hormone. The findings suggest this protein may be developed to help elderly people or anorexic patients with reduced ghrelin levels and food intake.
A new MRI technique has provided insight into how the brain responds to a full stomach and changes in hunger levels when consuming more or less water. Researchers found that drinking more water can curb appetite and increase feelings of fullness in the short term.
Researchers discovered that stem cells isolated from young mice can accelerate repair of stomach ulcers when transplanted into older mice. Additionally, studies redefined the role of the gut microbiome in inflammatory bowel disease and found potential therapeutic applications for acute alcoholic liver disease using a scavenger compound.
A new study presented at the European Obesity Summit found that a procedure-free gastric balloon, called Elipse, is safe and leads to similar weight loss as other balloon procedures. The device, swallowed and excreted over 4 months, resulted in significant weight loss, improvements in blood sugar control, and quality of life.
Researchers at MIT and partners developed a tiny origami robot that can unfold from a swallowed capsule and remove stuck objects or patch wounds. The robot uses external magnetic fields to navigate and is made of biocompatible materials, enabling potential medical applications.
Researchers at TTUHSC El Paso are conducting studies on gastroparesis to pioneer new therapies and prevent the disorder. They will lead efforts locally within the Department of Internal Medicine, focusing on potential new surgeries and a study on the genetic basis of the disease.
Scientists uncover the structural and functional properties of the BabA protein, which adapts to different ABO blood group sugars in humans. The discovery provides perspectives on developing drugs that disrupt bacterial attachment and eradicating Helicobacter pylori infections.
Researchers found a potentially virulent strain of bacteria in Ötzi's stomach contents, which reacted with his immune system. The discovery sheds light on the coexistence of humans and Helicobacter pylori, suggesting that two strain types may have recombined into today's European version.
Researchers have successfully used microbe S. islandicus to construct nano-capsules that can transport drugs safely through the stomach, offering a potential solution for oral drug delivery. The liposomes, made from cell membrane molecules of S. islandicus, survived in acidic environments, retaining their content and showing promise fo...
Aydin Farajidavar's grant will create a safe method to monitor stomach electrical impulses and rhythmic movements. The device, called WINGS, will be wirelessly recharged and transmit data on stomach signals to doctors.
A new study estimates that almost all seabirds have consumed plastic, with 90% of individual birds ingesting some form of plastic. This widespread impact is a concern, as plastic ingestion can cause gut impaction, weight loss, and death in seabirds.
Researchers found that high-fat diets impair stomach receptors that signal fullness, leading to delayed feelings of satisfaction and increased food consumption. The study suggests that capsaicin in hot chillies may prevent overeating through its action on these nerves.
Researchers identified the molecular mechanism behind H. pylori's adhesion protein using powerful x-rays, revealing a specific 'groove' that enables attachment to stomach sugars. This discovery could lead to the development of novel strategies to clear H. pylori from the stomach.
Researchers found that scavengers have more acidic stomachs to filter out harmful microbes. This discovery raises questions about the human stomach's role in influencing gut microbes and its potential impact on human health.
The study found that Helicobacter pylori bacteria directly interact with stomach stem cells, causing them to divide more rapidly. This interaction is thought to contribute to the development of gastric cancer in humans. The researchers used 3-D microscopy to visualize the bacteria's impact on the stomach glands.
A recent study by researchers at Vetmeduni Vienna found that stomach ulcers in cattle are primarily caused by stress, nutrition, and weather conditions. The bacterial diversity present in the stomachs of healthy and ulcerated animals was nearly identical, suggesting that bacteria play a minor role in the development of ulcers.
Researchers have found that IL-33 is a critical messenger triggering changes in the stomach's inflammatory response to H. pylori infection, potentially leading to new therapies targeting gastric damage. Elevated IL-33 levels may be associated with chronic infection and metaplasia.
Researchers have successfully powered micromotors with stomach acid in a living animal, demonstrating their potential for targeted drug delivery and diagnosis of hard-to-reach tumors. The motors achieved remarkable penetration and retention rates, outperforming traditional oral delivery methods.
Research shows that stomach sleepers with epilepsy are at higher risk of sudden unexpected death, often occurring during sleep. The study found that 73% of cases died in the stomach sleep position, and younger people were more likely to be found on their stomachs.
Researchers at Cincinnati Children's Hospital Medical Center successfully generated functional human stomach tissue in a laboratory using pluripotent stem cells. This breakthrough enables the study of stomach development and diseases, including cancer and diabetes.
Researchers are studying how a new IBS drug, linaclotide, helps alleviate stomach pain by normalizing gut-brain communication. The study assesses the effectiveness of linaclotide in 45 IBS patients over 10 weeks.