Articles tagged with Human Gut Microbiota
Researchers found genetic peptides called alpha-defensins that shape gut bacteria, producing healthier microbiomes and reducing insulin resistance. This discovery suggests personalized treatments can be tailored to individual genes, offering new hope for addressing chronic diseases like obesity and diabetes.
A study published in Cell Host & Microbe found a significant link between the maternal gut microbiome and preterm birth. The researchers identified Clostridium innocuum as a key bacteria species that may contribute to preterm birth by degrading estradiol, a critical hormone during pregnancy.
Researchers found that children with stable gut microbiomes tend to have better growth outcomes. The study created the first-ever pediatric undernutrition microbial genome catalog, which can predict and prevent malnutrition. This discovery opens the door to new diagnostics and therapeutics for addressing global child stunting issues.
A recent study found that toddlers with a fluctuating gut microbiome showed poorer growth compared to those with a stable microbiome. The researchers created a public health database containing complete genetic profiles of microbes from fecal samples, which can be used for future studies to help predict and prevent malnutrition.
A new scientific review reveals that stress, hardship, and social challenges reshape a person's gut bacteria and brain performance, making it harder to keep weight off. Social determinants of health play a key role in obesity risk, and addressing these conditions is crucial for long-term solutions.
Researchers created comprehensive catalogue of human gut microbiota subspecies and developed model predicting colorectal cancer presence from stool samples. The method detected 90% of cancer cases, outperforming current non-invasive detection methods.
Researchers discovered that smoking produces metabolites that encourage mouth bacteria to grow in the large intestines, triggering an immune response. These bacteria, specifically Streptococcus mitis, help reduce inflammation in ulcerative colitis by triggering a specific immune response.
Researchers found that a molecule produced by gut bacteria can cause inflammation, scarring and fibrosis in the kidneys, a major complication of diabetes. Corisin, a small peptide, attaches to albumin in the blood and targets the delicate kidney structures, accelerating aging and cell death.
A new study published in Molecular Nutrition and Food Research found that red meat consumption causes an imbalance of bacteria in the intestinal microbiota, leading to exacerbated colonic inflammation. The diets resulted in a decrease in beneficial bacterial strains and an increase in pro-inflammatory cells.
Researchers discovered a multi-faceted mechanism behind ASD, revealing the gut microbiota and host immune system's influence on disease progression. Precision-selected probiotics restored metabolic balance, reduced neuroinflammation, and ameliorated behavioral abnormalities in ASD mouse models.
Neurons in the gut produce adrenomedullin 2, which expands group 2 innate lymphoid cells and provides therapeutic benefit in inflammatory bowel disease preclinical models. Elevated expression of ADM2 was found in patients with inflammatory bowel disease, suggesting a promising therapeutic target.
Researchers found that gut bacteria can feed on large molecules like cellulose derivatives when primed with natural polysaccharides, highlighting a new aspect of digestion. This discovery suggests potential effects on nutrition in humans and warrants further exploration.
Scientists create a way to eliminate harmful bacteria from the gut to prevent infections by using beneficial bacteria as an alternative. The approach has shown promising results in laboratory tests and mouse models.
Institute for Systems Biology researchers use microbial community-scale metabolic models to simulate C. diff behavior in human gut microbiome samples. They accurately predict colonization states, susceptibility, and response to probiotics, offering a path to prevent C. diff before it starts.
A new study has identified a common bacterial strain that produces signaling proteins influencing hormonal balance and affecting weight, bone density and blood sugar levels. The researchers discovered that RORDEP-producing bacteria can vary greatly between individuals and that people with high levels of these bacteria tend to be leaner.
A low FODMAP diet has been shown to improve colonic barrier function and reduce mast cell activation in patients with IBS-D. The study found that the diet reduced symptoms of diarrhea and abdominal pain, and improved intestinal permeability.
A new study reveals that the human gut microbiota can pinpoint an individual's city of residence with high accuracy, strongly linked to each city's characteristic diet. The researchers identified unique microbial signatures and interaction networks between cities in China, shedding light on how local environments shape our inner biology.
The 12th World Congress on Targeting Microbiota explores the microbiome's role in diagnostics, therapeutics, and systems biology. Emerging data reveal bidirectional interactions between psychotropic medications and the microbiome, highlighting new approaches to mental health.
A study by University of California, Riverside researchers found that inhaling agricultural dust can alter the gut microbiome and impair intestinal function, leading to increased 'leaky gut' and associated chronic diseases. The study highlights the need for protective measures for agricultural workers.
Researchers created an 'encyclopedia of sugar utilization pathways' in 263 Bifidobacterium genomes. This resource helps predict which strains thrive in different conditions, enabling personalized probiotics to match children's lifestyles and dietary needs. The study suggests a potential solution to improving outcomes for preterm infants.
A new study found that consuming pistachios every night for 12 weeks altered bacteria in the gut of adults with prediabetes, increasing beneficial short-chain fatty acids like butyrate. The changes may offer long-term health benefits, potentially slowing Type 2 diabetes development or reducing inflammation.
Scientists have discovered that certain species of gut bacteria can absorb PFAS, potentially protecting against its harmful effects. The researchers plan to develop probiotic dietary supplements to boost the levels of these helpful microbes in our gut.
A new study reveals that women with polycystic ovary syndrome (PCOS) have a sharp reduction in the beneficial gut bacterium Parabacteroides merdae, alongside elevated levels of branched-chain amino acids. These changes may impair endometrial health and reproductive complications in women with PCOS.
New research warns against widespread use of Fecal Microbiota Transplants (FMT) due to potential for long-lasting, unintended health consequences. Mismatches in gut ecosystems can lead to changes in metabolism, behavior, and energy balance.
A recent study found that individuals with a specific type of gut bacteria (Firmicutes) had higher bone mineral density and better metabolic health. The researchers suggest that promoting the growth of butyrate-producing bacteria could be an effective strategy for maintaining bone mass and preventing osteoporosis.
Researchers at UCSF found that certain gut bacteria can reduce chemotherapy side effects by clearing excess drugs and producing the protective vitamin K2. Patients with more beneficial bacteria had fewer side effects, suggesting that probiotics may help mitigate chemotherapy's impact.
Researchers found that mice on a Mediterranean-style diet recovered quickly and restored a healthy gut microbiome after antibiotics, while those on a Western-style diet were susceptible to infection. The study suggests that diet can be used to treat infections in patients following cancer treatment or organ transplants.
This study found that intestinal depletion of TM6SF2 exacerbates high-fat diet-induced MASLD by altering the gut microbiota and liver lipid content. The absence of TM6SF2 also led to increased serum biomarkers associated with MASLD progression.
RMIT University has transferred patents and intellectual property related to the Atmo Gas Capsule, a real-time gut health monitor, to medical device company Atmo Biosciences. The capsule measures biomarkers directly at the source of production in the gut to aid diagnosis of gastrointestinal disorders.
A study found that migrants experience a 'clear change' in their gut microbiome composition after migration, leading to increased rates of cardiovascular disease. The Amsterdam UMC-led research showed that specific groups of microbes disappear or emerge along the migration axis.
A new study reveals that specific gut bacteria can break down certain drugs, altering their efficacy. The research found that 30 out of 127 tested drugs were heavily metabolized by human gut microbiota, potentially reducing their effectiveness. The study's findings could have significant implications for personalized medicine and drug ...
A study published in Cell suggests that the gut microbiome can play a key role in protecting against gastrointestinal (GI) diseases by breaking down certain plant compounds. The researchers found that specific intestinal microbes release beneficial small molecules that regulate inflammation and promote resistance to pathogens, such as ...
Hyperuricemia is a metabolic disorder characterized by elevated uric acid levels, linked to cardiovascular diseases, gout, renal dysfunction, and metabolic disorders. Advances in technology and genetic research are transforming management strategies, including personalized treatments and probiotic interventions.
This study found that aging impacts the gut microbiome composition and metabolites differently in male and female rats, influenced by biological sex and mitochondrial DNA. The researchers analyzed fecal samples from genetically diverse rats to assess bacterial changes with age, revealing more significant shifts in females.
The summit will highlight the latest research on coronavirus, plant-based protein, and probiotics, with a focus on their applications in clinical practice. Studies have found that COVID-19 affects the gut microbiome in children, while dietary protein like S100B may promote a healthy microbiome.
Researchers found that supplementing gut bacteria with Clostridium scindens can improve recovery from colonic injury and enhance regeneration of the gut lining. This approach targets the underlying issue: impaired ability of the gut to heal itself by restoring natural bile acid balance.
A new enzyme discovered in a gut bacterium has the potential to synthesize unique glycans with prebiotic properties, supporting gut health. The novel β-galactosidase could drive innovation in prebiotic products and contribute to developing new treatments for diseases like Chagas disease.
A new study by Weill Cornell Medicine researchers has identified a potential biomarker for joint inflammation in Crohn's disease patients, the bacterium Mediterraneibacter gnavus. The study found that M. gnavus is associated with increased immune cell responses and disease activity scores in patients with joint inflammation.
Researchers developed a synthetic microbiome therapy using limited strains of gut bacteria to effectively protect against C. difficile infections in mice. The treatment was as effective as traditional fecal transplants and had fewer safety concerns, offering a new alternative for treating this notoriously difficult-to-treat infection.
Researchers at Kobe University discovered that gut microbes convert glucose into short-chain fatty acids when fed sugar, highlighting a new symbiotic relationship. This finding could lead to the development of novel therapeutics for regulating gut microbiota and their metabolites.
Researchers analyzed phage-bacteria communities in children's stool samples to understand their role in type 1 diabetes development. They found dynamic changes in phage and bacterial populations, suggesting an 'arms race' between the two, but no clear link to disease risk.
Researchers at the Technical University of Denmark have found that adding biochar to chicken feed can significantly reduce campylobacter levels in free-range chickens. The study, published in Poultry Science, demonstrates an 80% reduction in campylobacter and suggests a potential tool for improving public health.
Researchers have developed a 'gut-on-chip' model that replicates intestinal inflammation and predicts response to immunotherapy in melanoma patients. The device differentiates between major intestinal populations and reproduces realistic environments.
A new study developed a human microbiota modelling system capable of predicting each person's sensitivity to an emulsifier, such as carboxymethylcellulose (CMC), using a simple stool sample. The model identified a specific metagenomic signature of sensitivity to CMC, allowing for the prediction of individual susceptibility.
Researchers develop new method to study glycosylation in proteins, discovering that gut bacteria can alter molecular signatures in the brain. The study found over 150,000 glycosylated protein forms in brain tissue samples from mice.
Researchers developed a 3D microscopic version of the human intestines on a chip, allowing for real-time examination of gut microbes' interactions with the human intestine. The 'Gut-Microbiome on a chip' model enables the study of complex interplay between gut microbes and health, facilitating targeted microbiome-based interventions.
A study found that two liver graft preservation methods differ in their effect on gut microbiota composition and function following liver transplantation. The NMP cohort showed enrichment of beneficial gut taxa, while the static cold storage cohort depleted such taxa. Notable differences were observed between the two preservation methods.
A comprehensive study reveals that Akkermansia muciniphila breaks down sugars locked in mucus using a set of enzymes. The findings provide new insights into the molecular mechanisms behind this process and its potential applications in understanding disease and improving gut health.
Research from RIKEN Center for Integrative Medical Sciences found that infant gut bacteria are associated with food sensitivities and allergies, particularly to eggs. The study suggests that probiotic supplements, such as Bifidobacterium, may help prevent food allergies in at-risk infants.
The study discovered new microbial species and never-before-reported metagenomes from African sites, shedding light on the importance of geography in shaping microbiome differences. The research highlights the need for site- and region-specific approaches to gut health interventions.
Researchers at the University of Surrey propose a new approach to treating inflammatory diseases using personalized probiotic therapies. By analyzing large-scale computer models and computational methodologies, they can identify potential targets and design tailored treatments.
A study identified unique microbiome signatures associated with Nonalcoholic Fatty Liver Disease (NAFLD), allowing for precise diagnoses and new therapeutic approaches. These signatures predict bacterial metabolites and are linked to the development of NAFLD, providing insights into disease mechanisms.
A recent study reveals that gut bacteria modify bile acids to control digestion, cholesterol levels, and fat metabolism. The body counters this influence by producing compounds that act as FXR antagonists, ensuring a finely tuned system.
Researchers found that a person's microbiome signature can predict the likelihood of Enterobacteriaceae colonization. Fiber-rich foods support the growth of beneficial Faecalibacterium, which produce short-chain fatty acids protecting against infection.
Researchers found that carrots can enhance the body's ability to regulate blood sugar and positively influence the composition of gut bacteria. The study used mice with type 2 diabetes and found improved glucose tolerance after consuming carrot powder.
A new study from the University of Oregon shows how Vibrio cholerae bacteria activate the immune system to trigger painful gut contractions. The research also finds a more general explanation for how the gut rids itself of unwanted intruders, which could help scientists better understand chronic conditions like inflammatory bowel disease.
A review of probiotics for restoring antibiotic-disturbed gut microbiota found limited conclusive evidence. While certain probiotics can reduce clinical symptoms like diarrhea and C. difficile colitis, the lack of standardization in measuring microbiota disruption and recovery hinders conclusions.
Researchers found β-ionone alleviates ulcerative colitis symptoms by protecting the gut barrier and restoring microbial balance. The study suggests ION's therapeutic potential for UC management, offering an alternative to current drug treatments.
Researchers discovered a set of genes in Lactiplantibacillus plantarum that enable it to stably attach to host tissue, revolutionizing our understanding of microbiome colonization. This breakthrough could lead to the creation of targeted probiotics and improved gut health.
Researchers found that prenatal exposure to Akkermansia muciniphila increased offspring's stem cell activity, leading to less anxiety and faster recovery from colitis. Postnatal exposure did not replicate these effects. The study suggests microbiome-based intervention strategies may improve child health.