Articles tagged with Gut Microbiota
Researchers found that long-term antibiotic treatment alleviates Alzheimer's disease symptoms in male mice by reducing inflammation and slowing amyloid plaque growth. However, the same treatment had no effect on female animals, with changes in the gut microbiome leading to increased proinflammatory factors.
A new study found that titanium dioxide nanoparticles, used in over 900 food products, can affect the gut microbiota and potentially trigger diseases like inflammatory bowel diseases and colorectal cancer. The research suggests that better regulation of E171 consumption is needed to ensure safe use.
Researchers found that a diet enriched with ω-3 PUFAs and vitamin A can normalize gut microbiome composition and hippocampal protein levels, leading to improved emotional and memory performance in stressed rats. The study also suggests long-term links between diet and cognitive function.
Research suggests that mode of delivery influences the development of the gut microbiota in infants, with C-sections linked to delayed bacterial colonization and increased risk of respiratory infections. This may have implications for future respiratory health.
A study found that a newborn's first stool microbiome is linked to their risk of becoming overweight at age 3. Infants exposed to antibiotics during infancy had altered gut bacteria populations, which may contribute to long-term weight gain.
The study reveals that dietary phytoestrogens are metabolized by the gut microbiota of southern white rhinoceroses, leading to infertility. The researchers also found species differences in estrogen receptor sensitivity to phytoestrogen metabolites.
A new study found that Microbiota Transfer Therapy (MTT) led to significant improvements in autism symptoms and gut health, persisting even two years post-treatment. Parents reported slow but steady reductions in ASD symptoms over time.
A recent study has found that garlic can protect memory by improving gut health, which is associated with age-related memory problems. The researchers observed that mice receiving the garlic compound showed better long- and short-term memory than those not receiving the treatment.
Researchers have established disease-specific microbiome changes that are globally robust, despite differences in environment, diet, and lifestyle. These findings provide a basis for future non-invasive cancer screening and may enable new research into the causal role of gut microbes in colorectal cancer development.
Researchers at UC San Diego identified unique bacterial features in the stool of people with nonalcoholic fatty liver disease and their twins, allowing for 92% accurate diagnosis of liver cirrhosis. The test also showed promise in detecting previously undiagnosed cases with 87% accuracy.
A new study found that probiotic bacteria can evolve and change inside the mouse's gut, making them less effective and sometimes harmful. The researchers discovered that the bacteria's DNA changes and they develop new capabilities after living in the mice's intestines for a few weeks.
Researchers discovered that knocking out NLRP6 protein in mice led to better survival and less severe symptoms after bone marrow transplant. The study also found that NLRP6 played a non-microbiome dependent role in GVHD, suggesting potential therapeutic targets for reducing its effects.
Research suggests that an aging microbiome may be the key to understanding vascular decline and cardiovascular disease risk. The study found that suppressing the microbiome in old mice restored vascular health to that of young mice, highlighting the potential for gut-friendly diets and supplements.
A recent study by WVU researchers found that stroke patients' microbiomes may still be out of balance a month after the stroke has passed. The team discovered changes in the structure of their guts, including less prominent beneficial bacteria and increased inflammation.
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.
A researcher at Georgia State University is studying how dietary fiber can protect against diabetes and other metabolic disorders. The study aims to develop new strategies to maintain a healthy gut-microbiota relationship, which could enable safe treatment and prevention of type 2 diabetes.
Research suggests that higher cardiorespiratory fitness is associated with greater gut microbiota diversity, independent of body fat percentage. The study found that exercise at a high intensity improved gut microbiota diversity in cancer survivors.
The study, published in JAMA Network Open, demonstrates that an individualized approach to diet considering a person's unique gut microbiome is more accurate in predicting blood glucose response to food. The research found that this approach was superior to traditional models based on carbohydrates or calories.
A recent study analyzed the gut microbiomes of ethnically diverse Africans from seven populations, revealing wide ranges of microbiome profiles. The researchers found that while there were differences between industrialized and non-industrialized populations, there were also unexpected similarities between groups.
A study found that fruit flies with a full microbiome can choose to feed on larger but less nutritious droplets of food, whereas those without gut bacteria are limited to smaller droplets containing essential amino acids. This allows scientists to develop strategies to control invasive pests.
This special issue of Clinical Gastroenterology and Hepatology delves into the relationship between the gut microbiome and specific digestive diseases. Key findings include the role of the microbiome in inflammatory bowel disease, functional gastrointestinal diseases, colorectal cancer prevention, and pancreatic disease.
A study of over 1,700 individuals found distinct gut microbiome compositions between IBD and IBS patients. The results may help identify new therapeutic targets for these gastrointestinal disorders.
Researchers discovered that tropical fish control their gut microbes to better survive extreme temperatures. The host's genetic background influences the microbiome's composition and response to temperature, with cold-resistant fish having a distinct core group of tolerant microbes.
Researchers found fecal microbiota transplantation (FMT) to be an effective treatment for severe colitis caused by immune checkpoint inhibitors. The study showed both patients experienced significant improvements in inflammation and ulcerations after FMT, with reduced resemblance to their own pre-treatment gut microbiome.
New NYU Abu Dhabi research suggests corals produce molecules that can help resist disease by maintaining healthy surface microbiomes. The study found unique molecules at the surface of Acropora and Platygyra corals, which may structure beneficial microbial communities and defend against parasitic bacteria.
Researchers at Sahlgrenska Academy discovered that gut microbiota in people with type 2 diabetes produces a substance impairing insulin response. This finding highlights the importance of diet and gut microbiota interaction in understanding metabolism in health and disease.
Research reveals that babies establish a healthy gut microbiome until around 2.5 years old, with breastfeeding playing a crucial role in early life. After weaning, the microbiome rapidly changes and becomes more stable, but the loss of beneficial bacteria can occur if breast milk is not available.
A recent study suggests that infant gut microbiota composition at 2 years of life is associated with body mass index (BMI) at age 12. The researchers found a stronger relationship between gut microbiota taxa and BMI z-scores as the kids got older, indicating that gut microbiota may be an early warning sign for detecting obesity.
Research found that six weeks of endurance exercise altered the gut microbiota, decreasing inflammation-causing Proteobacteria and increasing Akkermansia, a genus linked to enhanced metabolism. Exercise also improved cardiometabolic health by reducing VLDL particles.
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.
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.
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.
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.