Probiotic milk-fermented microorganism mixtures (e.g., yogurt, kefir) are perceived as contributing to human health, and possibly capable of protecting against bacterial infections. Co-existence of probiotic microorganisms are likely maintained via complex biomolecular mechanisms, secreted metabolites mediating cell-cell communication, and other yet-unknown biochemical pathways. In particular, deciphering molecular mechanisms by which probiotic microorganisms inhibit proliferation of… Continue reading Cross-kingdom inhibition of bacterial virulence and communication by probiotic #yeast metabolites
Category: Diet
#Metabolic syndrome and #gastric cancer risk: a systematic review and meta-analysis
Gastric cancer (GC) is the fifth diagnosed cancer worldwide and the third leading cause of death for cancer. Recent reports suggest that metabolic syndrome (MetS) has a role in etiology, progression or prognosis on GC. The aim of this study is to systematically review the evidence on the association between MetS and GC risk and… Continue reading #Metabolic syndrome and #gastric cancer risk: a systematic review and meta-analysis
Effect of Early High-Dose Vitamin #D3 Repletion on Cognitive Outcomes in Critically Ill Adults
Long-term cognitive impairment frequently occurs after critical illness; no treatments are known to improve long-term cognition. Research Question Does a single high-dose (540,000 IU) enteral treatment of vitamin D3 given shortly after hospital admission in vitamin D deficient, critically-ill patients improve long-term global cognition or executive function? Study Design and Methods This study evaluated long-term… Continue reading Effect of Early High-Dose Vitamin #D3 Repletion on Cognitive Outcomes in Critically Ill Adults
#Obesity and Responsiveness to #Food Marketing Before and After #Bariatric Surgery
Although food marketing is often accused of increasing population obesity, the relationship between individual responsiveness to marketing and obesity has yet to be established: Are people with obesity more responsive to food marketing and, if so, is it a stable trait or can it be reversed by bariatric surgery? We studied the responses to three… Continue reading #Obesity and Responsiveness to #Food Marketing Before and After #Bariatric Surgery
#Cocoa Flavanols Improve Vascular Responses to Acute Mental #Stress in Young Healthy Adults
Mental stress has been shown to induce cardiovascular events, likely due to its negative impact on vascular function. Flavanols, plant-derived polyphenolic compounds, improve endothelial function and blood pressure (BP) in humans, however their effects during stress are not known. This study examined the effects of acute intake of cocoa flavanols on stress-induced changes on vascular… Continue reading #Cocoa Flavanols Improve Vascular Responses to Acute Mental #Stress in Young Healthy Adults
#Selenium supplementation inhibits #IGF-1 signaling and confers methionine restriction-like healthspan benefits to mice
Methionine restriction (MR) dramatically extends the healthspan of several organisms. Methionine-restricted rodents have less age-related pathology and increased longevity as compared with controls, and recent studies suggest that humans might benefit similarly. Mechanistically, it is likely that the decreased IGF-1 signaling that results from MR underlies the benefits of this regimen. Thus, we hypothesized that… Continue reading #Selenium supplementation inhibits #IGF-1 signaling and confers methionine restriction-like healthspan benefits to mice
Association of Vitamin #D Levels, Race/Ethnicity, and Clinical Characteristics With #COVID-19 Test Results
Deficient (ie, <20 ng/mL) or insufficient (ie, 20 to <30 ng/mL) 25-hydroxyvitamin D (also known as calcifediol) levels are more common in Black individuals than White individuals and are associated with increased coronavirus disease 2019 (COVID-19) risk. Whether COVID-19 risk is associated with differences in vitamin D levels of 30 ng/mL or greater is not… Continue reading Association of Vitamin #D Levels, Race/Ethnicity, and Clinical Characteristics With #COVID-19 Test Results
High-#Fiber, Whole-Food Dietary Intervention Alters the Human Gut #Microbiome but Not Fecal Short-Chain Fatty Acids
Dietary shifts can have a direct impact on the gut microbiome by preferentially selecting for microbes capable of utilizing the various dietary nutrients. The intake of dietary fiber has decreased precipitously in the last century, while consumption of processed foods has increased. Fiber, or microbiota-accessible carbohydrates (MACs), persist in the digestive tract and can be… Continue reading High-#Fiber, Whole-Food Dietary Intervention Alters the Human Gut #Microbiome but Not Fecal Short-Chain Fatty Acids
Investigating Molecular Mechanisms of Immunotoxicity and the Utility of #ToxCast for Immunotoxicity Screening of Chemicals Added to #Food
The development of high-throughput screening methodologies may decrease the need for laboratory animals for toxicity testing. Here, we investigate the potential of assessing immunotoxicity with high-throughput screening data from the U.S. Environmental Protection Agency ToxCast program. As case studies, we analyzed the most common chemicals added to food as well as per- and polyfluoroalkyl substances… Continue reading Investigating Molecular Mechanisms of Immunotoxicity and the Utility of #ToxCast for Immunotoxicity Screening of Chemicals Added to #Food
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