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Serum cytokine levels of interleukin-1beta, -6, -8, tumour necrosis factor-alpha and vascular endothelial growth factor in breast cancer patients treated with tamoxifen and supplemented with co-enzyme Q(10), riboflavin and niacin.

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The prognostic significance of supplementing co-enzyme Q(10) (CoQ(10)), riboflavin and niacin (CoRN) along with tamoxifen to breast cancer patients was evaluated by measuring the serum cytokine levels of interleukin (IL)-1beta, IL-6, IL-8, tumour necrosis factor alpha (TNF-alpha) and vascular

Thiamine and riboflavin inhibit production of cytokines and increase the anti-inflammatory activity of a corticosteroid in a chronic model of inflammation induced by complete Freund's adjuvant.

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BACKGROUND The effects induced by thiamine and riboflavin, isolated or in association with corticosteroids, in models of chronic inflammation are not known. Thus, we evaluated the effect induced by these B vitamins, isolated or in association with dexamethasone, on the mechanical allodynia, paw

Toxic effect of a photo-induced tryptophan-riboflavin adduct on F9 teratocarcinoma cells and preimplantation mouse embryos.

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Solutions containing L-tryptophan and riboflavin exposed to visible light, under N2 atmosphere, yield a tryptophan-riboflavin adduct, able to inhibit the growth of cultured F9 teratocarcinoma cells. This same effect was found in the presence of a mixture of the tryptophan photooxidation products and

Riboflavin at high doses enhances lung cancer cell proliferation, invasion, and migration.

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The influence of riboflavin (vitamin B(2) ) upon growth, invasion, and migration in non-small cell lung cancer cell lines was evaluated. Riboflavin at 1, 10, 25, 50, 100, 200, or 400 μmol/L was added into A549, H3255, or Calu-6 cells. The effects of this compound upon level and/or expression of

Dietary riboflavin deficiency decreases immunity and antioxidant capacity, and changes tight junction proteins and related signaling molecules mRNA expression in the gills of young grass carp (Ctenopharyngodon idella).

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This study investigated the effects of dietary riboflavin on the growth, gill immunity, tight junction proteins, antioxidant system and related signaling molecules mRNA expression of young grass carp (Ctenopharyngodon idella). Fish were fed six diets containing graded levels of riboflavin

Effect of riboflavin status on acetaminophen toxicity in the rat.

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The effect of riboflavin status on acetaminophen hepatotoxicity was determined in the rat. Groups of rats were fed one of the following diets: "riboflavin-free" (RFF), low riboflavin (LRF), high riboflavin (HRF), or high riboflavin pair-fed (HRF pair-fed) with RFF group. After riboflavin deficiency

Photodynamic Therapy in HeLa Cells Incubated with Riboflavin and Pectin-coated Silver Nanoparticles.

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Riboflavin (Rf) is an endogenous photosensitizer, which can participate in Type I and Type II processes. We have recently shown that the yield of the triplet excited states of Rf is enhanced in the presence of pectin-coated silver nanoparticles (Pec@AgNP) due to formation of a complex between Rf and

Effect of the pro-inflammatory cytokine TNF-α on intestinal riboflavin uptake: Inhibition mediated via transcriptional mechanism(s).

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Riboflavin (RF), is essential for normal cellular metabolism/function. Intestinal RF absorption occurs via a specific carrier-mediated process that involves the apical RFVT-3 (SLC52A3) and the basolateral RFVT-1 (SLC52A1). Previously, we have characterized different cellular/molecular aspects of the

Immunofluorescence of rabbit corneas after collagen cross-linking treatment with riboflavin and ultraviolet A.

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OBJECTIVE To assess ultrastructural modifications in keratocytes and inflammatory cell response in rabbit corneas after riboflavin and ultraviolet A exposure using immunofluorescence microscopy. METHODS Twenty adult New Zealand albino rabbits weighing 2.0–3.0 kg were used in this study. Two rabbits

Death receptors 4 and 5 activate Nox1 NADPH oxidase through riboflavin kinase to induce reactive oxygen species-mediated apoptotic cell death.

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Stimulation of the proapoptotic tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) receptors, death receptors 4 (DR4) and 5 (DR5), conventionally induces caspase-dependent apoptosis in tumor cells. Here we report that stimulation of DR4 and/or DR5 by the agonistic protein

Low activity of LSD1 elicits a pro-inflammatory gene expression profile in riboflavin-deficient human T Lymphoma Jurkat cells.

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Mono- and dimethylation of lysine (K)-4 in histone H3 (H3K4me1, H3K4me2) create epigenetic gene activation marks that are enriched near the transcription start site of genes. Lysine-specific demethylase 1 (LSD1) is a flavin adenine dinucleotide (FAD)-dependent demethylase that catalyzes the

Effects of riboflavin on Gunn rats under phototherapy.

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Blue and white phototherapy was given to infant (and weanling) homozygous Gunn rats treated with different doses of riboflavin-5-phosphate (ribofl.5'p.) During the first hours after a flavin-injection, the effect of phototherapy with both types of fluorescent lamps was enhanced. With equal radiant

Riboflavin-mediated reduction of oxidant injury, rejection, and vasculopathy after cardiac allotransplantation.

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BACKGROUND Riboflavin is a well-known nutritional supplement that has been shown to exhibit antioxidant properties and protect tissue from oxidative damage. We hypothesized that riboflavin given during cardiac ischemia-reperfusion (I/R) might reduce subsequent acute rejection, after

The effects of riboflavin and ultraviolet light on keratocytes cultured in vitro.

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OBJECTIVE To culture quiescent human keratocytes and evaluate the effects of ultraviolet light and riboflavin on human corneal keratocytes in vitro. METHODS Keratocytes were obtained from remaining corneoscleral ring donor corneas previously used in corneal transplant surgeries and cultured in

Examining the suitability of riboflavin/UVA treatment for strengthening the stromal bioequivalent of a human cornea construct.

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OBJECTIVE To improve the mechanical stability of a tissue-engineered human cornea construct, which is used as an in vitro model for drug absorption studies, the collagen matrix of this construct is to be strengthened by collagen cross-linking. A suitable method to induce photooxidative cross-linking

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