Articles tagged with Gut Microbiota
Massachusetts General Hospital researchers are studying the interaction between the gut microbiome and its effects on autism spectrum disorders. The goal is to identify biomarkers that can predict the development of ASD in genetically predisposed infants.
Researchers found a correlation between the type and severity of cold symptoms and the mix of bacteria living inside the nose. Six different patterns of nasal microbiomes were identified, each associated with differences in symptom severity and viral load. Probiotics did not have an impact on cold symptoms or nasal microbiomes.
A study suggests that childhood habits, including diet and physical activity, can shape the gut microbiota of teenagers, which may contribute to developing conditions like diabetes and cardiovascular disease. Healthy lifestyle habits during childhood appear to promote a balanced gut microbiota in late adolescence.
Scientists have discovered a connection between an antiviral protein and the maintenance of gut microbiota equilibrium. The study found that altering the gut microbiota led to increased intestinal permeability and severity of allergic skin reactions.
The herbicide glyphosate reduces abundances of dominant gut microbiota species in exposed bees, making them more susceptible to pathogens. Bees with impaired gut microomes are more likely to die when exposed to opportunistic pathogens.
New research shows that the timing and order of introduction of gut bacteria after birth significantly impact the development of the microbiome. This discovery could eventually allow doctors to establish beneficial gut bacteria in infants right after birth, potentially warding off serious chronic diseases.
A Canadian study found that frequent use of household disinfectants alters the gut microbiota in infants, leading to higher body mass index scores and increased risk of childhood obesity. In contrast, eco-friendly cleaners may reduce this risk due to healthier maternal lifestyles and eating habits.
Clostridium difficile produces p-cresol to control intestinal microbiota and confer fitness advantage over natural protective bacteria. This compound may provide a novel drug target for reducing C. difficile infection.
A pilot study shows that immersing city-dwelling children in a traditional hunter-gatherer lifestyle for two weeks increases their gut microbiota diversity, while adults' microbiota remain stable. Researchers hope to replicate these findings with a larger study involving urban children and traditional village diets.
A study published in the Journal of Animal Science found that fresh and raw diets for dogs can be more digestible than traditional kibble, leading to lower blood triglyceride levels. The diets also showed major shifts in the microbiota of the dogs' gut, but all diets were considered healthy and palatable.
A study of stunted children found decompensation of the gastrointestinal tract and increased abundance of oropharyngeal taxa in their gut microbiomes. This suggests a key role for oral cavity bacteria in childhood growth stunting.
A study published in Microbiome found that maternal diet during pregnancy can influence the infant gut microbiome, with varying effects depending on delivery mode. Vaginal delivery was associated with a higher abundance of Bifidobacterium and Enterobactericeae, while caesarean section was linked to increased Streptococcus and Clostridium.
Research reveals that good bacteria interact with epithelial cells and immune system cells to balance immune responses and protect the gut from inflammation. Manipulating the microbiota may offer therapeutic benefits for conditions like inflammatory bowel disease.
Researchers found that female participants had stronger intestinal barriers and greater diversity of microbes, leading to a healthier environment. The study also showed that males were more sensitive to indomethacin disruption and demonstrated changes in stool microbial populations.
Research in mice suggests that antibiotics alter the redox potential of the gut environment, leading to changes in microbial communities. The study proposes new ecological models for how antibiotics reshape the gut microbiome and could inform the development of drugs to treat microbial disorders or prevent antibiotic-associated infecti...
Researchers at Joslin Diabetes Center found that gut microbes contribute to signs of negative feelings and brain chemistry in obese mice. Antibiotics reversed these behaviors, demonstrating a significant link between the microbiome and mental health outcomes.
A study found that increasing omega-3 fatty acids in mothers during pregnancy and lactation reduced weight gain and metabolic disruptions in infant mice fed a high-fat diet. This suggests that a balanced ratio of omega-6/omega-3 fats is critical for reducing the lifetime risk of obesity in children.
Researchers found that gut microbiota regulates adult enteric nervous system maturation through serotonin networks, potentially impacting gastrointestinal disorders. The study used germ-free mice colonized with normal microbiota to demonstrate this link.
The study found that patients with unexplained atherosclerosis had significantly higher blood levels of toxic metabolites produced by intestinal bacteria. The researchers suggest that the gut microbiome plays an important role in an individual's risk for atherosclerosis, opening the door for new treatment options.
A Brigham Young University study found that students who analyzed their own microbiome data spent 31% more time on coursework and reported increased confidence in scientific reasoning abilities. This approach may increase student engagement in science education, inspiring lifelong learning.
A recent study found no correlation between nematode species and their microbial profiles, contradicting previous findings in other organisms. The researchers discovered a diverse range of microbial associations with nematodes, including parasites and bacteria involved in nutrient cycling.
Researchers found that gut microbiome manipulation can significantly boost efficacy of adoptive T cell therapy in mice with cancer. Fecal transplants and antibiotic use increased anti-tumor response and remission rates, highlighting a crucial role for the gut microbiota in cancer treatment.
Chronic stress leads to increased inflammation-promoting bacteria and weakened colonic mucus barrier in mice. This disruption can trigger an immune response and increase severity of induced colitis.
A high-fiber diet can alleviate symptoms of type 2 diabetes by promoting a specific group of gut bacteria, according to researchers. The study found that patients under a high-fiber diet had greatly reduced blood sugar and body weight compared to those on standard care.
The vampire bat's unique blood-based diet requires specific genetic and microbial adaptations, including enhanced iron assimilation and immunity, to tackle nutritional and non-nutritional challenges posed by blood meals. The findings suggest that the bats' microbiome plays a crucial role in their defense against viral infections.
Researchers found that E. coli from cystic fibrosis patients grew faster on glycerol compared to healthy controls. The study suggests a link between increased intestinal fat in CF patients and the selection of specific microorganisms.
Researchers found that Bifidobacterium administration reduced weight loss and inflammatory cytokine levels in mice with colitis, while preserving antitumor immunity. This suggests a potential role for intestinal microbiota in cancer immunotherapy.
A new study found that a single strain of bacteria can cause imbalance in the gut microbiota of individuals with Crohn's disease. The findings suggest that preventing this imbalance could lead to promising treatment options for inflammatory bowel diseases.
The VIB-KU Leuven team presents a novel approach to analyzing gut microbiota, enabling the calculation of bacterial loads in fecal samples. This allows for a more accurate understanding of the relationship between microbiome composition and health parameters.
A recent study published in Cell reveals a new mechanism in the gut microbiome that regulates pro- and anti-inflammatory cells, potentially preventing inflammatory bowel disease. The research also suggests that changes in the gut microbiome can increase the risk of other autoimmune disorders.
Research suggests that mouth bacteria can contribute to conditions like IBD, UC, and Crohn's disease by triggering severe inflammation in susceptible individuals. The study found that saliva samples from patients with these diseases contain Klebsiella bacteria, which can colonize the intestine and exacerbate symptoms.
A BYU study with mice reveals stress can alter gut microbiota to resemble a high-fat diet, potentially contributing to gender-specific health disparities. Researchers found distinct changes in female mice's digestive microorganisms upon exposure to stress.
A new study suggests that high-fat diets can change gut fungi and potentially contribute to the development of obesity. The research shows significant differences in fungal and bacterial communities between mice fed standard and high-fat diets.
Researchers aim to reduce comorbid illness in people living with HIV by developing personalized prebiotic and probiotic therapies, targeting gut bacteria balance. The study seeks to attenuate metabolic health issues associated with harmful alcohol use and heart disease.
Researchers found that formula-fed or cesarean-delivered infants had altered bacterial colonization trajectories compared to vaginally-born and breastfed babies. This could have implications for their future health, particularly in the development of food allergies.
New research finds that antibiotic use reduces the diversity of microbes in the gut, making it harder for the immune system to fight off infections. This disruption can compromise the intestinal barrier and leave the gut vulnerable to severe infection.
UC Davis Health researchers found that dietary fiber acts as the right fuel to help intestinal cells maintain gut health. The beneficial microbes metabolize indigestible fiber to produce short-chain fatty acids, signaling cells to maximize oxygen consumption and limit harmful microbes.
Scientists found that certain compounds produced by gut bacteria can predict how animals will respond to high-fat diets, including weight gain and tolerance to glucose. The study uses urine chemical signatures to identify individuals at risk of obesity and related health conditions.
Researchers found that restoring a healthy balance in gut bacteria can treat Autism Spectrum Disorder (ASD) symptoms. The review highlights several studies showing positive impacts of probiotics, prebiotics, diet changes and faecal matter transplants on ASD symptoms.
Researchers found that capsaicin in red chili prevents microbial dysbiosis and gut barrier dysfunction, leading to reduced inflammation and obesity. The study suggests that the gut microbiome plays a critical role in the anti-obesity effects of capsaicin.
Researchers discovered that changing the circadian clock in mouse liver alters how the body responds to diet and changes the microbes living in the digestive tract. The study found that mice lacking a specific gene in their liver had different gut microbiomes and responded differently to weight loss diets.
Scientists identify abnormal levels of specific gut bacteria in individuals with chronic fatigue syndrome/myalgic encephalomyelitis (ME/CFS), including those with and without irritable bowel syndrome (IBS). The study suggests that analyzing fecal microbiome may help subtype patients with ME/CFS.
A new study reveals that newborns are more prone to intestinal infections due to underdeveloped gut microbiomes. Colonization with healthy adult microbes significantly reduces disease in infected infant mice, highlighting a potential way to boost their immune system.
Renowned researchers gathered to discuss stevia's health benefits, safety, and innovations in low/zero calorie sweeteners. Stevia was found to not alter during extraction and purification, providing evidence for its naturality, while research on its impact on blood glucose, diabetes, and overall health showed promising results.
A new study finds that deep transcranial magnetic stimulation (dTMS) causes weight loss in obese individuals by improving their intestinal bacteria composition. After five weeks of treatment, dTMS-treated subjects lost more than 3 percent of their body weight and 4 percent of their fat compared to the control group.
Researchers from U-M Medical School and VA Ann Arbor Healthcare System studied the DNA of bacteria in healthy volunteers' lungs, finding most bacteria arrived through microaspiration. The study confirms that bronchoscope-based techniques can be used to study the lung microbiome in both healthy and sick individuals.
Preliminary study in mice suggests that aged gut bacteria can worsen brain damage after a stroke. Researchers found that mice treated with older gut bacteria had impaired recovery and higher levels of immune cells that worsen stroke severity.
Researchers at the University Health Network found that a single fecal transplant is not more effective than the standard of care in treating recurrent C. difficile infection. The study's results suggest that more research is needed to determine the effectiveness and long-term implications of fecal transplantation.
Researchers found that the Inuit gut microbiome is remarkably similar to that of urbanized Westerners, with subtle differences in relative abundances of individual taxa. Dietary fiber is identified as a major factor driving the overall composition of the microbiome.
Researchers discovered that replacing missing gut bacteria or restoring a key metabolite called inosine could help treat children with IPEX syndrome, an often fatal autoimmune disease. The study found that probiotic Lactobacillus reuteri and A2A receptor agonists inhibited T cell-mediated autoimmunity, extending the animals' life span.
A recent study published in Molecular Metabolism has found that cholesterol from animal sources helps mice burn fat, while plant-based fats hinder it. The research suggests a critical link between gut bacteria and energy metabolism, challenging the conventional wisdom on dietary fats and obesity.
New research identifies nitrogen as a key driver for gut health, revealing how diet impacts the microbiota. The study suggests that the availability of intestinal nitrogen to microbes is crucial in shaping the microbiome.
A new study has identified a connection between gut microbiota and fat distribution in children and teenagers, with obese youth having different microorganisms living in their digestive tracts. The research suggests that short-chain fatty acids produced by certain gut bacteria can contribute to the development of obesity.
A study published in Frontiers in Microbiology found that pesticides applied to hives to control Varroa mites can damage the gut microbiome of honeybees, impacting their ability to metabolize sugars and peptides. The research suggests that these chemicals can specifically harm the microbes crucial for honey bee nutrition and health.
HIV-infected mothers' breast milk alters oligosaccharide composition, leading to less diverse and immature gut microbiomes in their uninfected infants. This study suggests preventing microbiome disruptions may improve HIV-exposed babies' health.
Researchers found that chronic high fat diet disturbs neural messages in rats by shifting gut bacteria populations. Manipulating the gut microbiome can reverse this effect, leading to less overeating and weight gain. Additionally, specific foods like blueberries may also target and improve the microbiota composition.
A study of 39 Finnish infants found that antibiotic treatments during childhood reduced the diversity and stability of their intestinal microbiota. The research highlights the potential long-term health consequences of unnecessary antibiotic use in children.
New studies show antibiotics can delay infant microbiome development, reduce bacterial diversity, and lead to temporary antibiotic resistance gene presence. The findings suggest a need for further research on long-term consequences of gut microbiome disturbances linked to obesity, diabetes, and allergies.
Researchers have discovered a signature of gut bacteria associated with primary sclerosing cholangitis (PSC), a liver disease with no effective treatment. The findings may lead to a novel diagnosis tool and microbiota-based therapies, enabling better identification of PSC patients and personalized treatment approaches.
A recent study found that broad-spectrum antibiotics can raise the risk of complications from stem cell transplantation, including graft-versus-host disease. The study suggests that selecting antibiotics that spare