Articles tagged with Human Gut Microbiota
Research led by Drs. Yuhai Zhao and Walter J Lukiw reports a pathway from the gut to the brain that contributes to Alzheimer's disease development. Adequate dietary fiber intake can prevent this process. The study suggests a potential means to modify the abundance of microbes in the microbiome.
Researchers successfully engineered E. coli collected from human and mice gut microbiomes, showing potential to treat diseases such as diabetes. The engineered bacteria retain their activity for the entire lifetime of the host and positively influence diabetes progression in mice.
Researchers have designed a phage combination therapy that precisely targets and suppresses gut bacteria associated with inflammatory bowel diseases (IBD). The team identified effective phages against IBD-contributing Kp strains, which attenuated inflammation and tissue damage in mice models.
Researchers have developed a novel approach to engineering live bacterial therapeutics by using native microbes that can survive in the gut. This method overcomes previous limitations of introducing engineered bacteria into the gut, demonstrating potential for long-term therapy and reversal of disease pathologies in mouse models.
Researchers from NUS Medicine developed a probiotic that detects antibiotic-induced microbiome imbalance and regulates bile salt metabolism to prevent Clostridioides difficile infection. The probiotic significantly reduced CDI in laboratory models, demonstrating a 100% survival rate and improved clinical outcomes.
A new study found that higher red meat consumption is linked to a 22% increased risk of cardiovascular disease in older adults, with gut bacterial metabolites like TMAO playing a key role. The study also suggests that traditional ASCVD risk pathways like blood cholesterol and blood pressure may be less important than previously thought.
A new study from Duke University suggests that consuming more fiber can lead to improved gut health, regardless of the specific supplement used. Participants who had been eating the least amount of fiber before the study showed the greatest benefit from supplements.
A new study at the University of Missouri found that prenatal opioid exposure can trigger long-term neurological or behavioral effects in children. The research suggests that opioids impact the developing fetus' gut microbiome, leading to changes in metabolic pathways and potentially affecting overall health and wellness.
The ISM Annual Meeting highlights new topics in oral, vaginal, skin, and gut microbiota, as well as their metabolites and potential implications in diseases like cancer, depression, and stroke. The meeting aims to explore the mechanism behind microbiota efficacy and its potential application in precision medicine.
The team is creating a virtual gut system to test chemical reactions and networks, which will help identify the best treatments for obesity. The MATOMIC project aims to develop mathematical models that can simulate the intestinal microbiome at an atomic level.
Researchers discovered cancer cells produce a unique collagen that alters the tumor microbiome and promotes cancer progression. Loss of this collagen reduces cancer cell proliferation and boosts anti-tumor immune response, offering a potential therapeutic strategy.
A preclinical study found that antibiotics have sex-specific effects on the gut microbiome of lab rats, resulting in significant changes in diversity. The findings could have implications for using antibiotics to treat or prevent bacterial infections in humans.
A new study uses machine learning models to predict cancer patients' responses to immunotherapy based on their gut microbiome features. The research identifies common gut bacterial taxa associated with responders versus non-responders, providing a potential tool for distinguishing and predicting immunotherapy responders.
NC State researchers discovered a new way to make the difficult-to-characterize gut bacterium Bifidobacterium more responsive to antibiotics. They also found tiny changes in different strains that reflect large differences in their characteristics, highlighting the need for individualized CRISPR-based genome engineering approaches.
The 9th World Congress on Targeting Microbiota will discuss recent advances in microbiome research, including the potential of naked mole rat's gut microbiome to extend human lifespan. The congress also explores gene editing and microbiome therapy for depression and cancer immunotherapy.
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 mouse study found significant changes in the infant gut microbiome associated with maternal oxycodone exposure. These bacterial changes are linked to alterations in metabolic pathways, suggesting a potential connection between prenatal opioid exposure and long-term health consequences.
Researchers have developed a new mass spectrometry-based method to study the functionality of microbiota, enabling a broader understanding of gut microbiota dynamics. The new method produces reliable results without fluctuation and is freely accessible for the research community.
The Emu project effectively identifies bacterial species by leveraging long DNA sequences spanning the entire length of the gene under study. This approach facilitates the analysis of key genes in microbiome researchers' efforts to sort out harmful and helpful bacteria.
A team proposes banking stool samples for future use in autologous fecal microbiota transplants to rejuvenate the human gut microbiome. This approach aims to treat various diseases, including asthma and type 2 diabetes, by restoring an ancestral state of the microbiome.
A recent study published in Cellular and Molecular Life Sciences found that a specific type of gut bacteria, Bifidobacterium breve, plays a crucial role in regulating fetal growth and metabolism during pregnancy. The researchers discovered that the maternal microbiome promotes development of the placenta and healthy growth of the baby ...
Researchers analyzed data from over 134,000 participants and found a strong association between Western diets and colorectal tumors containing the pks+ E. coli bacteria. The study suggests that specific components of Western-style diets may increase the risk of colorectal cancer by promoting the growth of these pathogenic bacteria.
A study found that indoor pollutants and human activities impact home biology and chemistry. Researchers detected diverse molecules from skin care products, food, and feces in a test home, with human-derived metabolites dominating the microbiome.
Researchers at Leibniz-HKI found that lactic acid bacteria nourish intestinal cells, promoting bacterial growth and adapting Candida's metabolism to make it less infectious. This balance restores a healthy state and prevents fungal infections.
A pilot study found that drinking either alcoholic or non-alcoholic lager daily increased the diversity of gut microbes in healthy men, potentially reducing chronic disease risk. The researchers suggest that non-alcoholic beer may be a healthier choice due to its lower alcohol content.
Researchers have found a negative correlation between Helicobacter pylori infection and inflammatory bowel disease (IBD) prevalence, suggesting the bacterium may protect against IBD. This is supported by studies showing improved gut microbiota diversity and increased abundance of beneficial bacteria in H. pylori-infected individuals.
A study by researchers from the University of Basel found that probiotics can improve depressive symptoms in patients taking antidepressants. The probiotic group showed a greater improvement in symptoms than the placebo group, with changes in intestinal flora composition and brain activity when viewing emotional stimuli.
Researchers developed a machine learning model to predict NAFLD development based on gut microbiome data, showing 90% of subjects who developed the disease had subtle differences in their samples. The model combines easily measurable information from blood and microbiome data with high accuracy.
A team of researchers has developed a new algorithm to efficiently integrate large-scale microbiome data and identify disease-associated biomarkers. The NetMoss algorithm uses microbial interaction networks to remove batch effects and quantify topological differences, revealing biomarkers linked to multiple diseases.
Researchers found that fecal transplants restored intestinal function and reduced inflammation in mice lacking the antimicrobial compound catestatin. The study suggests that changes in gut microbial composition are responsible for the inflammatory response.
Research reveals antibiotics can knock out essential gut bacteria, leading to reduced motivation and endurance in athletes. The study found that high-performance mice were more affected by antibiotic treatment, highlighting the microbiome's impact on exercise behaviors.
Researchers from UToledo found that a dominant gut bacteria species, Coprococcus comes, can break down quinapril and ramipril, reducing their efficacy. This study provides insights into the impact of gut bacteria on blood pressure medication, potentially leading to new ways to overcome treatment-resistant hypertension.
Researchers have discovered that short-chain fatty acid acetate from the gut microbiota can minimize the effects of infection by respiratory syncytial virus (RSV) and mitigate its severity. The compound was found to activate antiviral molecules, such as RIG-I, which are effective against RSV, leading to a 88% reduction in viral load.
Researchers propose an ecological model to understand how individual responses to dietary fiber vary across gut microbiomes. The study found that specific bacteria grow in response to inulin and drive changes in gut health.
A study published in Med found that the human microbiome's variation explains different patient responses to statins. The researchers discovered a Bacteroides enriched microbiome with lower diversity was associated with stronger LDL-lowering effects but greater disruption of blood glucose levels.
Researchers investigate the role of gut bacteria in pneumonia infection in the elderly, finding that a leaky gut can lead to inflamed lungs. The study suggests that aging compromises immune system control over bacteria, allowing them to migrate to other parts of the body and cause poor outcomes.
Chronic bacterial infections can lead to chronic inflammation and DNA damage, increasing CRC risk. Salmonella infections are particularly risky, as they impair immune responses and promote tumorigenesis.
Researchers found that elevated plasma levels of proline and a diet rich in this amino acid are associated with severe depression. The study also discovered a link between microbiota alterations and proline metabolism impacting depressive mood.
A study published in mBio found that healthy adults with diets rich in soluble fiber and lower animal protein consumption had fewer antibiotic-resistant microbes in their guts. This suggests that modifying the diet through increased fiber intake may help reduce antimicrobial resistance by shaping the gut microbiome.
A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
Researchers from the University of Minnesota Medical School found a link between diet type and hydrogen sulfide production in the gut. An animal-based diet was shown to increase toxic gas production, while fiber-containing foods were beneficial to gut health.
A new study has identified specific groups of bacteria associated with poorer neurological recovery from ischaemic stroke. Fusobacterium and Lactobacillus were linked to increased stroke risk, while Negativibacillus and Lentisphaeria were associated with more severe strokes.
A recent study found that a single course of antibiotics disrupts the balance of gut bacteria and fungi in infants, leading to increased competition for space. This disruption can result in long-term adverse effects on human health, including antibiotic-associated diarrhea and chronic inflammatory diseases.
Researchers investigated two common soluble fibers, arabinoxylan and long-chain inulin, on human physiology. They found that AX reduced LDL cholesterol, while LCI decreased inflammation markers and increased beneficial gut microbes, but high doses of inulin caused negative effects.
The composition of microorganisms living in the gut influences response to conventional cancer treatments and novel immunotherapies. Recent studies suggest that targeting the gut microbiome could diminish side effects of chemotherapy, while diet, probiotics, and antibiotic medications may also impact clinical responses.
Researchers develop a refined microbiome fingerprint method to track sub-strain variations in key gut bacteria species. The study found differences in sub-strain dynamics between healthy individuals and hospitalized COVID-19 patients, suggesting an impending shift in the dominant strains of the gut microbiome.
Researchers have found that preterm infants with certain viral signatures in their gut are at risk of developing necrotizing enterocolitis (NEC), a serious and often fatal disease. The study highlights the potential for early warning signals to alert clinicians, allowing emergency action to be taken.
Research reveals that an imbalance in gut microbiota, known as dysbiosis, may contribute to the development and progression of Parkinson's disease. Studies found a direct correlation between gut dysbiosis and Parkinson's, with certain bacteria contributing to protein aggregation and neuronal damage.
A recent study by Cornell scientists explores the relationship between human genetics and gut microbiome functions, identifying correlations between genetic variations and microbiome-associated traits. The research, led by Ilana Brito, uses a novel computational approach to model the distribution of functions and species within the hum...
A new study reveals that a specific bacterium breaks down xanthan gum in the human gut, leading to the production of short-chain fatty acids. The widespread consumption of xanthan gum may alter the gut microbiome, potentially affecting intestinal health and total caloric intake.
Researchers developed a new way to help protect the natural flora of the human digestive tract by engineering bacteria to break down beta-lactam antibiotics. This approach protects the microbiota in the gut while allowing antibiotics to remain effective, reducing the risk of infection and antibiotic resistance.
A recent report by the International Society of Microbiota confirms a bidirectional interplay between gut microbiota and various organs, highlighting the crucial role of microbiota in disease pathogenesis. The report also explores therapeutic strategies for manipulating gut microbiota to prevent and treat disorders.
A review article by MedUni Vienna researchers reveals that micro- and nanoplastics can alter the gut microbiome, leading to metabolic diseases such as diabetes, obesity, and chronic liver disease. The study also highlights the potential carcinogenic effects of nanoparticles in the human body.
Researchers at Weill Cornell Medicine found that certain Candida albicans yeast strains produce a potent toxin called candidalysin, which damages immune cells and triggers pro-inflammatory responses. The study suggests a possible way to personalize treatments for IBD patients by targeting these high-damaging strains.
The green Mediterranean diet induces specific microbial changes in the gut microbiome, enriching with bacteria that positively affect glucose metabolism and insulin sensitivity. This novel diet also promotes genetic pathways involved in reducing branched-chain amino acids linked to insulin resistance.
Researchers found that long-term daily cocoa consumption didn't improve exercise-induced digestive issues in male athletes. Only minor changes to their gut microbiomes were observed, indicating cocoa is not an effective exercise supplement.
A new Michigan Medicine study suggests that genes from oceanic bacteria have entered the human gut microbiome, enabling digestion of seaweed polysaccharides. The research found that these genes are more common than previously recognized and are linked to the ability to process certain seaweed-derived sugars.
A Phase 1 clinical trial showed CBM588 significantly improved progression-free survival in patients with metastatic kidney cancer when combined with immunotherapy. The treatment also increased response rates compared to immunotherapy alone, with no significant differences in toxicity.
Bar-Ilan University researchers develop a two-step recovery process to revive failed networks by restructuring damaged links and reigniting the entire system through controlled node activation. This approach has shown promise in steering a failed microbiome back to functionality, particularly with probiotic interventions.
A study published in Cell Host & Microbe found that individuals with more Caudovirales in their gut microbiota performed better at executive processes and verbal memory, while those with higher levels of Microviridae deteriorated in brain's executive abilities. Dairy products may be a possible means of acquiring Caudovirales.