Articles tagged with Human Gut Microbiota
Stellenbosch University researchers found individuals with PTSD had lower levels of specific bacteria, which may contribute to immune dysregulation and inflammation. The study suggests that gut microbiome changes could be an early response to childhood trauma, increasing the risk of developing PTSD later in life.
Researchers found that antimicrobial peptide R-Spondin1 stimulates intestinal stem cells to differentiate into Paneth cells, which secrete alpha-defensins with strong antimicrobial activity. Administration of R-Spondin1 restored gut microbiota in mice with graft-versus-host disease, preventing depletion of Paneth cells and dysbiosis.
Researchers evaluated the impact of eating dried cranberries on gut microbiome health, finding positive but statistically insignificant changes. The study's findings motivate further exploration into the role of dried cranberries in whole-body health.
Researchers found that introducing wild mouse gut bacteria to laboratory mice improved their survival rate against the flu virus and reduced tumor growth. The study suggests using natural microbiota in lab mice could improve disease modeling and lead to new therapeutic approaches.
A new study found that CagA, a protein produced by the bacterium Helicobacter pylori, can alter the population of microbes living in the fruit fly gut, leading to disease symptoms. The researchers suggest that manipulating the balance of microbes in the gut may be able to mitigate the harmful effects of infection with H. pylori.
A team of researchers created a three-dimensional map of the gut microbiome, revealing a surprising degree of mixing among different bacterial members. The study found that the gut microbiome lacks highly organized structure, unlike other body sites like the mouth.
A study of over 1,000 Chinese individuals found a direct correlation between health and the microbes in their intestine. The researchers discovered that the overall microbiota composition of the healthy elderly group was similar to that of people decades younger.
A study published in Science Advances found that mice born by C-section gained an average of 33% more weight than those born vaginally over the course of 15 weeks after weaning. The researchers also discovered significant differences in bacterial species in their guts, with mice born by C-section having a less mature microbiome structure.
A new study reveals that C-section births in mice result in less developed gut microbiota and significant weight gain. Vaginal-born mice demonstrated a leaner body type and normal microbiome maturity, while C-section born mice showed no major changes in microbiome structure but gained 33% more weight after weaning.
Researchers use imaging technology to study a simplified human gut microbiome, finding a mixed community where each cell is next to cells of different species. The host appears to mix and prevent large clusters of single-bacteria species from forming.
Montana State researchers are studying the role of the human gut microbiome in detoxifying arsenic after ingestion. They aim to understand how microorganisms metabolize arsenic and potentially lower cancer risk through this process.
A team of 106 Concordia undergraduate students co-authored a review article on human gut microbiota and its interactions with the host. The project, led by affiliate assistant professor Chiara Gamberi, aimed to improve students' writing and editing skills.
Researchers found significant differences in bacterial genera between MS patients and healthy controls, with Acinetobacter and Akkermansia being more abundant in patients. Exposure to extracts from these bacteria increased proinflammatory T cell differentiation and inhibited regulatory T cell differentiation.
Researchers found that gut bacteria regulate lipid uptake by hacking into the circadian clocks in gut cells. The microbiome helps establish the essential molecular link NFIL3, which regulates body composition and metabolism. This discovery may lead to new strategies to fight obesity.
A recent review suggests that the gut-microbiome's formation and influence begin early in life, potentially leading to imbalances that contribute to depressive syndromes. The review also finds evidence of disturbances in the microbiome due to stress, diet, and medications, highlighting the importance of nutrition in mental health.
Children with low gut microbiome diversity are more susceptible to severe Entamoeba histolytica infection. The study found that antibiotic disruption of the gut microbiome in mice led to decreased white blood cell activity and increased severity of colon inflammation.
A five-year federal research grant will fund studies on the gut microbiome's role in MS, led by Yanjiao Zhou. The research aims to investigate how intermittent fasting alters the gut microbiome and may reduce MS symptoms.
Research from the UNC School of Medicine found an association between certain microbial communities and higher levels of cognitive development. Infants with high levels of Bacteroides had better cognitive scores, while those with diverse gut microbiomes performed worse.
Researchers at IMIM have found that immunoglobulin M plays a crucial role in regulating the diversity of intestinal flora, including beneficial microorganisms. The study highlights IgM's participation in an immunological memory system, enabling organisms to adapt to their microbial environment.
Researchers at the University of Alabama at Birmingham have made a groundbreaking discovery that fecal donor microbes can persist in recipients for months or years after a transplant to treat C. difficile infections. This is possible thanks to a novel method developed by the team to 'fingerprint' individual bacterial strains, allowing ...
Researchers found that metformin increases growth of bacterial species linked to improved metabolism, leading to better blood glucose control. The study suggests that the gut microbiota plays a key role in metformin's effectiveness and may hold promise for reducing adverse events.
The ResistoMap tool helps identify national trends in antibiotic use and control antibiotic resistance globally. By analyzing human gut microbiota, the map reveals correlations between antibiotic use patterns and resistome variations, shedding light on the global battle against antibiotic resistance.
Yale researchers have developed a 'genetic scalpel' to regulate gene activity in the gut microbiome, enabling precise control over bacterial communities. This breakthrough tool may help understand the microbiome's impact on health and disease, including infectious diseases and behavioral disorders.
Research published in Infection and Immunity found that Giardia infection changed the mouse microbiome, leading to more aerobic bacteria and less diversity of anaerobic species. The study suggests that Giardia may be an ecological disease that disrupts the gut's stable ecology.
A mouse study reveals that gut microbes play a crucial role in age-associated inflammation and premature death. Imbalances in the gut microbiome lead to leaky intestines and trigger inflammation. Researchers hope to develop drugs or probiotics to restore gut barrier function and reduce age-related inflammation.
A new study from the University of South Carolina found a gastrointestinal link to Gulf War Illness, potentially explaining both gastrointestinal inflammation and neurological symptoms. The research suggests that altering the intestinal microbiota may lead to improved treatment options for GWI.
Researchers from CU Boulder are exploring the connection between gut microbiota and arterial dysfunction in both mice and humans. The study aims to identify lifestyle or pharmacological strategies that may preserve microbial health, enhance arterial function, and reduce the risk of age-related cardiovascular disease.
A McMaster University study found that intestinal bacteria impact both intestinal and behavioral symptoms in IBS patients, potentially leading to new microbiota-directed therapies. The study also suggests a possible link between gut bacteria and other brain disorders such as autism, Parkinson's disease, and multiple sclerosis.
Researcher Nathan Schmidt aims to determine which gut microbes protect against malaria and how they interact with the parasite. His study builds on previous findings showing that mice with certain gut microbiota are less susceptible to severe malaria infection.
A study published in Cell Reports found that genetic variation in mice shapes their gut microbiome, which regulates insulin secretion and contributes to the onset of metabolic disease. The researchers observed a correlation between specific bacteria in the microbiome and metabolic traits such as body weight and glucose levels.
Patients with inflammatory bowel disease exhibit highly fluctuating gut microbiomes, unlike healthy individuals, who display more consistent microbial communities over time. The research highlights the dynamic nature of IBD and its relationship to the human gut microbiome.
Researchers have developed a new tool to accurately identify enzymes present in microbiomes and quantify their relative abundances. This breakthrough may uncover novel chemistry in the gut microbiome and provide insights into its impact on human health.
The American Diabetes Association has awarded a $1.625-million grant to develop an animal model studying the connection between gut bacteria and autoimmune attack in type 1 diabetes. The research aims to identify mechanisms that may contribute to the disease and potentially lead to treatments that prevent it.
Researchers at the University of Illinois College of Medicine found that butyrate corrected a gut microbiome imbalance and reduced gut leakiness in mice with ALS. The treated mice lived longer than control mice and showed improved neuromuscular function.
A new study finds that a high-protein, low-carbohydrate diet in dogs significantly influences the balance of microbes in their gut. The research suggests that obesity and overweight dogs may be more susceptible to dietary interventions.
Researchers found that specific changes to maternal diet alter the milk microbiome and human milk oligosaccharide composition, potentially affecting infant gut health. The study suggests a link between maternal diet and infant gut microbiome development during breastfeeding.
Researchers at Newcastle University have discovered a 'pedal bin machine' of gut bacteria that acquires nutrients in the human large bowel. The study provides fundamental insights into the functioning of the microbiota and its role in human health and nutrition.
New research from the University of Exeter and University of Zaragoza found that gut microorganisms regulate serotonin levels through a protein called TLR2. This discovery may shed light on inflammatory bowel disease and other neurological conditions.
Researchers found that certain human gut bacteria must be lost for a diet to be successful. A new approach identifies the organisms that help promote beneficial effects of a particular diet in humans.
Recent evidence suggests a link between the gut microbiome and colorectal cancer development, with specific types of intestinal bacteria contributing to disease progression. Dietary-based therapeutic interventions, such as probiotics and prebiotics, may help modify the gut microbiome to reduce CRC risk.
Research suggests a link between gut microbiota and mood, anxiety, and depression, with changes in the diversity of microorganisms linked to behavioral changes and treatment implications.
Research in mice reveals that gut microbe movements can influence a host animal's circadian rhythms by exposing different microbes and their metabolites as the day goes by. The study shows profound effects on host physiology, including changes in liver function and gene expression.
Researchers at Caltech discovered a novel link between the gut microbiome and Parkinson's disease, finding that gut bacteria promote hallmark pathology, neuroinflammation, and motor dysfunction. The study suggests targeting the gut microbiome may provide a new approach for diagnosing and treating PD.
Researchers at Caltech discovered a functional link between bacteria in the intestines and Parkinson's disease, showing that changes in gut bacterial populations contribute to motor skill deterioration. The study found that an imbalance in short-chain fatty acids regulates brain inflammation and symptoms of PD.
A research team at the University of Luxembourg has developed a computer model of the human gut microbiome, capturing the metabolic processes of 773 bacterial strains. The model, called AGORA, can simulate metabolic processes and investigate how they affect other microbes and the human host.
Research found that genetics and early environment significantly influence the gut microbiome, with similar genes linked to human diseases like arthritis and diabetes. The study also discovered a strong correlation between specific microbes and T-helper cells in the blood.
A study has identified the gut microbiome's role in regulating host gene expression through the epigenome. A plant-based diet favors a healthier microbiome and promotes interplay between microbes and host cells. This research suggests that a Western diet may disrupt this communication, leading to potential health issues.
Researchers found that genetic background affects response to antibiotics on gut microbiome, insulin sensitivity, tissue inflammation, and metabolic functions in mice. This study suggests that genetic susceptibility plays a role in predicting the usefulness of microbiome therapies for obesity and metabolic disease.
Researchers found patterns by which gut microbiome and its function interact with immune response, influencing cytokine production. The study identified interactions between pathogens, cytokines, and fatty acids on cytokine production.
The microbiome plays a crucial role in human health and disease, making it essential for personalized medicine. Research suggests that understanding the microbiome's interactions with genetics, environment, and lifestyle can lead to more effective treatments, including targeted therapies and antibiotics.
A new study found that curtailing sleep for four hours a night altered the abundance of bacterial gut species in healthy men, previously associated with metabolic diseases. Insulin sensitivity also decreased, but this was unrelated to changes in gut microbiota.
Researchers analyzed fecal samples from dogs with and without IBD, discovering a pattern of microbes indicative of the disease. The team used 16S rRNA sequencing to predict IBD diagnosis in dogs with high accuracy.
A team of Chinese researchers characterized the 'mobile resistome,' a network of easily transferred antibiotic resistance genes between bacteria, including humans and animals. The study found that these genes are shared among multiple human pathogens and can be disabling for six major classes of antibiotics.
A new study found that captive monkeys in zoos lose their native gut bacteria diversity and acquire a set similar to humans. The researchers suggest that a low-fiber Western diet may be the cause, as it led to a loss of microbial diversity in both captive and semi-captive populations.
Scientists have established the first public collection of bacteria from the intestine of mice, providing comprehensive information on the mouse gut microbiota. The collection includes 76 cultured bacterial species, including 15 previously unknown taxa, and sheds light on the interactions between gut bacteria and their host.
The gut microbiome plays a complex role in cognitive and psychiatric disorders, including autism spectrum disorder, schizophrenia, Alzheimer's disease, and Parkinson's disease. Researchers are exploring synthetic biology to develop engineered bacteria that can remodel the gut microbiota and treat these conditions.
Researchers found that babies born to mothers on high-fat diets had distinct gut microbiomes with fewer Bacteroides microbes, affecting energy extraction and immune system development. The study suggests a potential link between maternal diet and infant microbiome, emphasizing the importance of considering fat intake in prenatal care.
The AGA Fecal Microbiota Transplantation National Registry aims to protect patient safety while providing valuable data on the potential health risks of FMT. The registry will collect information from patients undergoing FMT at sites across the US, following them for up to 10 years to monitor adverse events and effectiveness.
A new study reveals that the evolution of gut bacteria in humans and hominids parallels ape evolution, suggesting a long-term co-evolution between hosts and microbes. The research sheds light on the importance of the human microbiome and its connection to our evolutionary history.
The gut microbiome's impact on brain health and disease is a growing area of research. Dr. David Perlmutter discusses the link between the gut microbiome and conditions like Alzheimer's, ALS, and multiple sclerosis.