Auflistung Nach Schlagwort "tryptophan"
Anzeige der Dokumente 1-18 von 18
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Activation of general control nonderepressible 2 kinase protects human glomerular endothelial cells from harmful high-glucose-induced molecular pathways
(2016)Purpose: Considering the referred beneficial effects of protein restriction on diabetic nephropathy (DN) and the role of renal endothelium in its pathogenesis, we evaluated the effect of general control nonderepressible 2 ... -
Activation of general control nonderepressible-2 kinase ameliorates glucotoxicity in human peritoneal mesothelial cells, preserves their integrity, and prevents mesothelial to mesenchymal transition
(2019)Along with infections, ultrafiltration failure due to the toxicity of glucose-containing peritoneal dialysis (PD) solutions is the Achilles’ heel of PD method. Triggered by the protective effect of general control ... -
Characterization and Quantitative Determination of a Diverse Group of Bacillus subtilis subsp. subtilis NCIB 3610 Antibacterial Peptides
(2021)Five antibacterial peptides produced by Bacillus subtilis NCIB 3610 were purified, quantified, characterized, and identified in the present study. Cell-free extracts were subjected to three purification protocols employing ... -
IDO decreases glycolysis and glutaminolysis by activating GCN2K, while it increases fatty acid oxidation by activating AhR, thus preserving CD4+ T-cell survival and proliferation
(2018)It is generally hypothesized in the literature that indoleamine 2,3-dioxygenase (IDO), by degrading L-tryptophan along the kynurenine pathway, suppresses CD4+ T-cell function by inducing apoptosis, inhibiting proliferation ... -
Indoleamine 2, 3-dioxygenase Up-regulates Hypoxia-inducible Factor-1α Expression by degrading l-Tryptophan but not its activity in human alloreactive t-cells
(2018)Indoleamine 2, 3-dioxygenase (IDO) suppresses T-cell function at least in part by altering cell metabolism. Hypoxia-inducible factor-1 (HIF-1) increases upon T-cell activation and alters cell metabolism favoring their ... -
Indoleamine 2,3-dioxygenase depletes tryptophan, activates general control non-derepressible 2 kinase and down-regulates key enzymes involved in fatty acid synthesis in primary human CD4+ T cells
(2015)Indoleamine 2,3-dioxygenase (IDO) is expressed in antigen-presenting cells and exerts immunosuppressive effects on CD4+ T cells. One mechanism is through the inhibition of aerobic glycolysis. Another prerequisite for T-cell ... -
Indoleamine 2,3-dioxygenase, by degrading L-tryptophan, enhances carnitine palmitoyltransferase i activity and fatty acid oxidation, and exerts fatty acid-dependent effects in human alloreactive CD4+ T-cells
(2016)Indoleamine 2,3-dioxygenase (IDO) is expressed in antigen presenting cells and by degrading L-tryptophan along the kynurenine pathway suppresses CD4+ T-cell proliferation, induces apoptosis and promotes differentiation ... -
Kynurenine, by activating aryl hydrocarbon receptor, decreases erythropoietin and increases hepcidin production in HepG2 cells: A new mechanism for anemia of inflammation
(2016)It is known that inadequate erythropoietin (EPO) production contributes to the pathogenesis of anemia of inflammation, although the exact molecular mechanism is unknown. Aryl hydrocarbon receptor (AhR) may compete with ... -
A multifunctional RNA recognition motif in poly(A)-specific ribonuclease with cap and poly(A) binding properties
(2007)Poly(A)-specific ribonuclease (PARN) is an oligomeric, processive and cap-interacting 3′ exoribonuclease that efficiently degrades mRNA poly(A) tails. Here we show that the RNA recognition motif (RRM) of PARN harbors both ... -
Overexpression of a biotic stress‐inducible pvgstu gene activates early protective responses in tobacco under combined heat and drought
(2021)Drought and heat stresses are major factors limiting crop growth and productivity, and their effect is more devastating when occurring concurrently. Plant glutathione transferases (GSTs) are differentially expressed in ... -
Preconditioning of primary human renal proximal tubular epithelial cells without tryptophan increases survival under hypoxia by inducing autophagy
(2017)Purpose: Hypoxia plays a significant role in the pathogenesis of acute kidney injury (AKI). Autophagy protects from AKI. Amino acid deprivation induces autophagy. The effect of l-tryptophan depletion on survival and autophagy ... -
Role of indoleamine 2,3-dioxygenase in ischemia-reperfusion injury of renal tubular epithelial cells
(2021)The present study evaluated indoleamine 2,3-dioxy- genase 1 (IDO) kinetics and how it affects cell survival during the two distinct phases of ischemia-reperfusion (I-R) injury. Primary renal proximal tubular epithelial ... -
The role of indoleamine 2,3-dioxygenase in renal tubular epithelial cells senescence under anoxia or reoxygenation
(2021)Ischemia-reperfusion injury is the commonest form of acute kidney injury (AKI). Tubular epithelial cell senescence contributes to incomplete recovery from AKI and predisposes to subsequent chronic kidney disease. In cultures ... -
Tryptophan depletion under conditions that imitate insulin resistance enhances fatty acid oxidation and induces endothelial dysfunction through reactive oxygen species-dependent and independent pathways
(2017)In atherosclerosis-associated pathologic entities characterized by malnutrition and inflammation, l-tryptophan (TRP) levels are low. Insulin resistance is an independent cardiovascular risk factor and induces endothelial ... -
Tryptophan-kynurenine profile in pediatric autoimmune hepatitis
(2019)The impairment of regulatory T cells (Tregs) is a characteristic feature of autoimmune hepatitis (AIH), and the degradation of tryptophan (Trp) to kynurenine (Kyn), by gamma interferon-induced indoleamine-2,3-dioxygenase-1 ... -
A unique hydrophobic cluster near the active site contributes to differences in borrelidin inhibition, among threonyl-tRNA synthetases
(2005)Borrelidin, a compound with anti-microbial and anti-angiogenic properties, is a known inhibitor of bacterial and eukaryal threonyl-tRNA synthetase (ThrRS). The inhibition mechanism of borrelidin is not well understood. ... -
What may constrain the success of indoleamine 2,3-dioxygenase 1 inhibitors in cancer immunotherapy?
(2018)[No abstract available]