نتایج جستجو برای: citronellyl butyrate
تعداد نتایج: 5310 فیلتر نتایج به سال:
We have previously shown that butyrate, a short-chain fatty acid fiber fermentation product, induces colonocyte apoptosis via a nonmitochondrial, Fas-mediated, extrinsic pathway. Interestingly, fermentable fiber when combined with fish oil containing docosahexaenoic acid (DHA, 22:6n-3) exhibits an enhanced ability to induce apoptosis and protect against colon tumorigenesis. To determine the mol...
1. Interactions in the rates of consumption of acetate, propionate and butyrate in sheep liver mitochondria were examined in the presence and absence of l-malate and alpha-oxoglutarate. 2. Acetate was not consumed in absence of ancillary substrate but utilization of acetate (7.2nmol/min per mg of protein) occurred in the presence of alpha-oxoglutarate. This consumption was abolished by propiona...
In vivo, butyrate is a major energy source for the colonic epithelium and is thought to stimulate proliferation. In contrast, butyrate in vitro has been shown to inhibit proliferation and induce differentiation and apoptosis in colonic epithelial cells. Most colon cell cultures are grown in medium containing high concentrations of glucose, whereas in vivo, the main energy source used by the col...
Butyrate is a short-chain fatty acid by-product of the microbial fermentation of dietary fermentable materials in the large intestine; it is the main energy source for enterocyte regeneration, modulates the enteric microbial community, and contributes to increasing host health via mechanisms that are relatively poorly defined. Limited research has examined the therapeutic potential of butyrate ...
The final steps in butyrate synthesis by anaerobic bacteria can occur via butyrate kinase and phosphotransbutyrylase or via butyryl-coenzyme A (CoA):acetate CoA-transferase. Degenerate PCR and enzymatic assays were used to assess the presence of butyrate kinase among 38 anaerobic butyrate-producing bacterial isolates from human feces that represent three different clostridial clusters (IV, XIVa...
As the colonic epithelium is physiologically exposed to butyrate and to activators of protein kinase C, we examined the effect of the protein kinase C signalling pathway on butyrate-induced expression of markers of differentiation. Activators and inhibitors of protein kinase C were used in combination with butyrate and effects on the expression of markers of differentiation examined in colon ca...
The effect of sodium butyrate on the expression of the facilitated glucose transporter (GT) was investigated in the pig kidney cell line LLC-PK1. When cells were treated with butyrate, GT mRNA expression was remarkably enhanced with a maximal effect at 5 mM. Levels of GT mRNA were increased at 1 day after butyrate treatment and continued to increase for at least 4 days; however, acetate and pro...
Butyrate and the other short-chain fatty acids (SCFAs) are the most abundant anions in the colonic lumen. Also, butyrate is the preferred energy source for colonocytes and has been shown to regulate colonic electrolyte and fluid absorption. Previous studies from our group have demonstrated that the HCO(3)(-)/SCFA(-) anion exchange process is one of the major mechanisms of butyrate transport acr...
The fermentation of starch in vitro produces a higher proportion of butyrate than the fermentation of most other substrates. The alpha-glucosidase inhibitor acarbose increases the amount of starch entering the colon, and has been shown to increase faecal butyrate in humans. It is generally considered that colonic butyrate is quantitatively removed by the colonic mucosa and liver and does not ap...
Butyrate is produced by microbe fermentation in the rumen, and its supplementation results rumen development. Butyrate-induced experiments are valuable studying nutrient metabolism, cell growth, functional genomics. This study aimed to characterize accessible chromatin regions dynamics of genomic accessibility prompted butyrate-induced histone modifications bovine cells. An average 117,569 were...
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