is an oral bacterium known to colonize colorectal tumors, where it is thought to play an important role in cancer progression. Recent advances in sequencing and phenotyping of have revealed important differences at the subspecies level, but whether these differences impact the overall tumor ecology, and tumorigenesis itself, remain poorly understood. In this study, we sought to characterize in the tumor microbiome of a cohort of individuals with CRC through a combination of molecular, spatial, and microbiologic analyses.
View Article and Find Full Text PDFThe influence of micro-nanoplastics (MNPs) on the fate and effects of other pollutants present in the environment is largely unknown. This study evaluated if the root exposure to MNPs (polystyrene, PS; 20 or 1000 nm) had an impact on the accumulation of arsenic and boscalid (As and Bos) in lettuce (Lactuca sativa). Under hydroponic conditions, plants were co-exposed to MNPs at 10 or 50 mg/L, and to 1 mg/L of each environmental pollutant (EP).
View Article and Find Full Text PDFBackground: Our goal was to determine in healthy individuals and individuals with type 2 diabetes the impact of repeated episodes of hypoglycemia on the corrected QT (QTc) interval and the time course for QTc recovery. Further, since hypoglycemia increases aldosterone and patients with primary aldosteronism have prolonged QTc, we also determined whether mineralocorticoid receptor blockade prevents hypoglycemia-induced QTc alterations.
Methods: Twenty-seven healthy participants completed a double-blinded crossover trial contrasting 3 experimental conditions: 1) euglycemia, 2) hypoglycemia, and 3) hypoglycemia with mineralocorticoid receptor blockade pretreatment.
During summer, children may meet fewer 24 hours Movement Guidelines (24 hr-MGs) [moderate-vigorous physical activity (PA): ≥60 minutes/day, screen time: ≤2 hours/day, sleep: 9-11 hours/day) compared with the school year. Structured environments within community settings (, summer programs) support guideline adherence. Information about the relationship between structured home environments and 24 hr-MGs is needed.
View Article and Find Full Text PDFWords represent a uniquely human information channel-humans use words to express thoughts and feelings and to assign emotional valence to experience. Work from model organisms suggests that valence assignments are carried out in part by the neuromodulators dopamine, serotonin, and norepinephrine. Here, we ask whether valence signaling by these neuromodulators extends to word semantics in humans by measuring sub-second neuromodulator dynamics in the thalamus (N = 13) and anterior cingulate cortex (N = 6) of individuals evaluating positive, negative, and neutrally valenced words.
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