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The stochastic nature of generating eukaryotic transcripts challenges conventional methods for obtaining and analyzing single-cell gene expression data. In order to address the inherent noise, detailed methods are described on how to collect data on multiple genes in a large number of single cells using microfluidic arrays. As part of a study exploring the(More)
BACKGROUND Dietary recommendations for selenium differ between countries, mainly because of uncertainties over the definition of optimal selenium status. OBJECTIVE The objective was to examine the dose-response relations for different forms of selenium. DESIGN A randomized, double-blind, placebo-controlled dietary intervention was carried out in 119(More)
BACKGROUND The uncertainty surrounding dietary requirements for selenium (Se) is partly due to limitations in biomarkers of Se status that are related to health outcomes. In this study we determined the effect of different doses and forms of Se on gene expression of selenoprotein S (SEPS1), selenoprotein W (SEPW1) and selenoprotein R (SEPR), and responses(More)
Gene expression in multiple individual cells from a tissue or culture sample varies according to cell-cycle, genetic, epigenetic and stochastic differences between the cells. However, single-cell differences have been largely neglected in the analysis of the functional consequences of genetic variation. Here we measure the expression of 92 genes affected by(More)
Several extracellular feruloyl esterases were produced by the mesophilic fungus Talaromyces stipitatus when grown on selective carbon sources in liquid media. Type-A and Type-B feruloyl esterases, as defined by their substrate specificity against methyl hydroxycinnamates, were produced during growth on wheat bran and sugar beet pulp, respectively. In(More)
The anti-cancer activity of selenium is dose-dependent and species-specific but the mechanism is unclear. Se-methylselenocysteine (MSC), found in selenium-enriched alliums, is one of the most potent forms. We exposed two human prostate cell lines (LNCaP clone FGC and PNT1A) to nutritionally relevant doses of MSC and selenite, ranging from deficient to the(More)
Isothiocyanates (ITCs) are potentially important cancer chemopreventive compounds found in cruciferous vegetables. In this study, three ITCs: allyl ITC, benzyl ITC and phenylethyl ITC, induced DNA cell-cycle changes and cell death in undifferentiated Caco-2 cells and their roles in PI3K/Akt and MEK/ERK signaling pathways have been investigated. Flow(More)
Gut homeostasis is a tightly regulated process requiring finely tuned complex interactions between different cell types, growth factors, or cytokines and their receptors. Previous work has implicated a role for IL-6 and mucosal immune cells in intestinal regeneration following injury and in promoting inflammation and cancer. We hypothesized that IL-6(More)
BACKGROUND & AIMS Mortality resulting from influenza (flu) virus infections occurs primarily in the elderly through declining immunity. Studies in mice have suggested beneficial effects of selenium (Se) supplementation on immunity to flu but similar evidence is lacking in humans. A dietary intervention study was therefore designed to test the effects of(More)
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