Articles tagged with Gut Microbiota
A recent study published in Nature Communications has found a significant imbalance in the gut microbiome of individuals with Parkinson's disease. The researchers discovered that over 30% of micro-organisms and bacterial genes tested had altered abundances, indicating a widespread imbalance in the microbiome.
A study found that patients with severe COVID-19 who suffered progressive lung failure had a different gut microbiome composition compared to those who recovered. The research identified key differences in bacteria and metabolites, including higher levels of Proteobacteria and lower levels of secondary bile acids in dying patients.
Research suggests that frequent antibiotic use may heighten the risk of inflammatory bowel disease among older adults. The study found a cumulative risk, with the highest risk observed 1-2 years after antibiotic exposure, particularly for those targeting gut infections.
Researchers found that people with higher levels of Coprococcus tended to have higher insulin sensitivity, while those with Flavonifractor had lower insulin sensitivity. The study aimed to understand the relationship between microbiome composition and diabetes development.
Research found that approximately 40% of Danish population has gut microbes that extract more energy from food, leading to a higher risk of obesity. This composition of gut microbes is also associated with faster digestion and greater nutrient extraction.
Researchers at Cleveland Clinic found that elevated levels of phenylacetylglutamine, a byproduct of gut microbiome breakdown, increase heart failure risk and severity. This discovery suggests potential approaches to modify PAG-associated risks through diet and beta blocker use.
Research from the University of Ottawa finds that oral contraceptives' effects on brain and mood in women may be linked to age of onset and gut microbiome. The study suggests adolescence as a critical period for understanding OCs' impact, as it influences brain development and hormonal changes.
Eating two ounces of walnuts daily for 16 weeks improved self-reported mental health indicators, had a protective effect against academic stress, and aided sleep quality. Walnuts' bioactive nutrients and phytochemicals may underlie their beneficial effects on mental health.
Researchers at Rutgers University found a link between poor gut health and multiple sclerosis, suggesting that dietary adjustments like increased fiber may slow disease progression. The study also identified fecal Lcn-2 levels as a sensitive marker for detecting unhealthy changes in the gut microbiome of MS patients.
A new study finds that discrimination influences the central and enteric nervous systems, altering the bidirectional signaling between the brain and gut microbiome. This leads to changes in systemic inflammation, emotional arousal, and psychological symptoms across different racial and ethnic groups.
A new study by Arizona State University researchers found that microbiota transfer therapy significantly improved the abundance of beneficial bacteria and normalized altered bacterial gene expression in children with autism. The treatment showed substantial increases in populations of beneficial bacterial species and improvements in ge...
Researchers found that graphene oxide exposure altered the gut microbiome and triggered a type 2 immune response in zebrafish, which could inform strategies to mitigate adverse effects of nanomaterials.
Researchers found that when nursing mother mice are fed a low-fiber diet, their offspring's microbiome is permanently altered, resulting in gut inflammation and obesity. The study suggests that regular fiber intake helps fuel the microbiome, allowing diverse bacteria to thrive.
Researchers uncovered distinct DNA methylation profiles in ocean microbes, shedding light on population dynamics and interactions. The study's findings have significant implications for understanding pathogenicity and developing new approaches to monitoring environmental health.
A new theory proposes that irritable bowel syndrome (IBS) may be caused by the body's inability to manage gravity. The hypothesis suggests that gravity can compress the spine, decrease flexibility, and cause organs to shift downward, leading to IBS symptoms.
UC San Diego researchers have developed a self-powered ingestible biosensing system that provides continuous monitoring of gut metabolites, unlocking new understanding of intestinal health and its impact on human health. The battery-free sensor is powered by glucose and can measure glucose levels in the small intestine for up to 14 hours.
Researchers found that dimethyl fumarate treatment increased the proportion of beneficial gut bacteria and reduced pro-inflammatory types, which are associated with MS. The study suggests a potential connection between gut flora and clinical side effects, paving the way for personalized treatment approaches.
Researchers found that antibiotic treatment led to significant changes in Candida albicans populations, varying by individual's microbiota. The degree of fungal overgrowth depended on the activity of beta-lactamase enzyme produced by endogenous bacteria.
A team of researchers discovered that the gut microbiome plays a critical role in driving granulopoiesis, a process formation of granulocytes, in mice models. The study found that alterations in the gut microbiome composition induced by neutropenia stimulate reactive granulopoiesis via interleukin 17A secreted by T cells, promoting neu...
A team of researchers from Penn State found that the microbiomes of warblers are influenced more by evolution than diet, contrary to a recently proposed hypothesis. The study's results suggest that evolutionary history plays a larger role in determining the diversity of bacteria within birds' gut microbiomes.
A new study by CHOP researchers found that antibiotic-resistant Enterococcus enhances C. difficile virulence by modulating the gut environment, increasing toxin production and nutrient supply. This interaction supports increased colonization and persistence of C. difficile in the gut.
A new study on rhesus macaques reveals a strong link between social connections and the abundance of beneficial gut bacteria. Monkeys with more sociable behavior have a higher presence of microbes like Faecalibacterium, which has anti-inflammatory properties.
Research found tomatoes increased gut microbiome diversity and shifted bacteria toward a more favorable profile in young pigs. The findings suggest a potential link between tomato consumption and improved health outcomes in humans.
Researchers found distinct gut microbiomes in wild marten from pristine and heavily impacted areas, highlighting a tool for assessing ecosystem health. The study's findings suggest that human disturbance affects carnivores' diets, reflected in their gut microbiomes.
A new study found that COVID-19 infection directly interferes with the healthy balance of microbes in the gut, further endangering patients. The research revealed that antibiotic-resistant species can escape into the bloodstream, putting patients at greater risk for life-threatening secondary infections.
Zebrafish studies reveal a key role of gut microbes in shaping brain circuits responsible for social behavior. The findings suggest a possible translation to mice and humans, offering new insights into neurodevelopmental disorders such as autism spectrum disorder.
Research reveals that common gut bacteria enhance cocaine effects in mice by consuming glycine, leading to behavior abnormalities. Supplementing glycine or using a genetically modified bacteria reduces response to cocaine, demonstrating its role as an addiction mediator.
A randomized clinical trial found that applying topical antibiotics to the upper digestive tract can improve survival rates in mechanically ventilated intensive care patients. The study, published in JAMA, also showed a significant reduction in new hospital-acquired infections.
Researchers explore the role of nutrition in cancer development, finding that precise nutritional strategies can be used to supplement treatment and treat cancer. Intermittent fasting is being studied as a promising approach to fight cancer, with studies showing it may increase toxicity on tumour cells and reduce side effects.
A new study published in the European Respiratory Journal found that early treatment with anti-anaerobic antibiotics can deplete gut anaerobes and lead to worse clinical outcomes. The research suggests that these 'good bugs' protect against pneumonia, organ failure, and mortality.
A Baycrest study found that the gut microbiome plays a role in how diet and exercise affect brain health and dementia risk. Lifestyle interventions like Mediterranean-style diets can improve cognition and promote healthier microbiomes.
The event will cover various topics including microbiota dysbiosis, oral and vaginal microbiota, and their impact on diseases like depression, cancer, and respiratory infections. The meeting aims to accelerate Microbiota medicine applications through strategic discussions.
Researchers identified a specific gut bacterium responsible for antibiotic-induced GVHD after stem cell transplants. A sugar supplement was found to improve gut health by distracting the bacteria from attacking mucin in the intestinal lining, reducing complications such as GVHD.
Researchers found that Fecal Microbiota Transplant (FMT) using capsules has a cure rate of 86% at one month and 81% at two months for recurrent CDI, comparable to colonoscopic FMT. Patient selection is key to optimizing FMT success.
Researchers found pre-existing differences in gut bacteria between people with and without HIV, including decreased Bacteroides species and increased Megasphaera elsdenii. These changes were present even before infection occurred, suggesting a potential link between gut microbiome and HIV susceptibility.
The Center for Health Equity Research at NAU has received a $21 million grant from NIH to continue its work on health disparities among diverse populations. The grant will fund dozens of projects over five years, focusing on increasing basic research opportunities and access to resources for underrepresented communities.
Researchers at the University of Toledo found that consumption of highly refined fiber may increase liver cancer risk in some individuals, particularly those with a silent vascular deformity. The study discovered that high concentrations of bile acids caused by a portosystemic shunt led to the development of liver cancer.
A new study conducted by researchers from Aarhus University and Aarhus University Hospital shows that fecal transplantation is an effective cure for life-threatening intestinal infections, with a cure rate of over 90%. The treatment was found to be far superior to the standard treatment, which typically consists of antibiotics.
A recent study of Alaskan brown bears reveals that their gut microbiomes play a crucial role in supporting health and achieving comparable size despite eating vastly different diets. The research sheds light on the importance of diverse dietary niches for bears, which can help them extract nutrition from various food sources.
Researchers at UMC Utrecht will investigate how intestinal microbiota impacts cancer immunotherapy and therapy side effects. The project aims to develop microbiota-targeted therapies to improve ICI treatment effectiveness and reduce severe inflammation.
Researchers found that transplanted gut bacteria from mice with obstructive sleep apnea caused increased blood pressure and impaired coronary function in recipient mice. Probiotics improved symptoms for the recipients but not the donor mice, highlighting a potential therapeutic strategy to mitigate cardiovascular disease.
Researchers at Stanford University have created a synthetic microbiome comprising over 100 bacterial species, successfully transplanted into mice and demonstrated protection against E. coli infection. The team's achievement enables the study of specific bacteria contributing to health benefits, ultimately leading to the development of ...
Research found that air pollution exposure in the first six months of life impacts a child's inner world of gut bacteria, increasing risk of allergies, obesity, and diabetes. The study also suggests that exposure to pollutants can influence brain development.
Researchers found that Morinda officinalis oligosaccharides increase serotonin production in the gut microbiota, alleviating depression. The study revealed a significant anti-depressant effect through promoting 5-hydroxytryptophan production in the gut microbiota.
A study published in Cell found that a Western-style diet high in sugar alters the gut microbiome, leading to metabolic disease, pre-diabetes, and weight gain. Eliminating sugar from the diet restored the protective effects of Th17 immune cells, which were depleted by the sugar.
Extracellular vesicles and exosomes are membrane-bound vesicles that facilitate intercellular exchange of proteins, lipids, and genetic material. They will be highlighted in upcoming events focusing on mitochondrial quality control, skin ageing, and microbiota.
Gut epithelial cells control mutualism between host immune system and gut microbiome by regulating SFB and Th17 cell levels. Lack of IκBζ gene impairs defense mechanisms against pathogens, leading to inflammatory diseases.
A substance produced by gut microorganisms, TMAO, can lead to scarring and vascular damage in scleroderma. The Western diet rich in meat contributes to TMAO formation, which reprograms cells to become scar-forming myofibroblasts.
Researchers create polymeric micelles that deliver butyrate, a compound produced by healthy gut bacteria, to restore the gut's protective barrier and microbiome. The treatment prevents life-threatening anaphylactic responses in mice with peanut allergies.
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.
A new study suggests that acetate produced by the liver diffuses into the intestines, supporting bacterial growth and causing imbalanced microbiota. This imbalance does not appear to play a major role in alcoholic liver disease risk.
Research found that breastfed premature infants have improved gut barrier function and nutrient absorption due to the presence of Bifidobacterium breve. This strain strengthens the intestinal wall, protecting against disease. The discovery could lead to promising clinical interventions to increase survival rates of vulnerable preemies.
A new study from the University of Illinois found that dog gut bacteria can change rapidly after introducing a new diet, with microbial turnover occurring in under a week. The research also confirmed previous findings on the health benefits of high-fiber diets over high-fat and high-protein diets.
Research from Anglia Ruskin University found that microbial instability in the gut hinders endurance athlete performance. High-carbohydrate diets were associated with improved time trial performance, while a short-term high-protein diet led to reduced time trial performance by 23.3%.
A new study explores relationships between domestic cats' hormone levels, gut microbiomes, and social behaviors in cohabitating groups. The research found that low testosterone and cortisol concentrations enabled cats to share space, while high oxytocin levels were associated with less affiliative behavior.
Researchers discovered a specific gut bacterial strain, Klebsiella aerogenes, that produces histamine and triggers abdominal pain in IBS patients. The study found that reducing histamine production by colonizing mice with low fermentable carbohydrates led to decreased pain.
Gut bacteria produce inositol lipids, vital for cellular processes in humans, and these substances impact the symbiosis between bacteria and their hosts. The discovery sheds light on how gut bacteria thrive in their human hosts.
A study published in Cell Reports found that a rhythmic small intestinal microbiome prevents obesity and type 2 diabetes in mice. The researchers used mouse models to explore how diet and feeding patterns affect the gut microbiome and its impact on host health, particularly with obesity and type 2 diabetes.
A team of ecologists from CU museum identified over 7,000 organisms, mostly bacteria, in the guts of Rocky Mountain snails collected between 1920 and 2018. The findings show that microbiomes can offer insights into how animals interacted with their environments centuries ago.
Researchers at Georgia State University developed a personalized treatment to prevent ulcerative colitis in mice by modifying gut microbiota. The study found that orally administering metabolites from treated microbiota provided strong protection against chronic inflammation.