Search Within
Applied Filters:
Showing 1-30 of 52 results for "


" within Papers
Zhitao Wang et al.
Viruses, 13(6) (2021-07-03)
Gallid alpha-herpesvirus 1, also known as avian infectious laryngotracheitis virus (ILTV), continues to cause huge economic losses to the poultry industry worldwide. Similar to that of other herpesvirus-encoded proteins, the expression of viral genes encoded by ILTV is regulated by
David S Wishart et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 871(2), 164-173 (2008-05-27)
With continuing improvements in analytical technology and an increased interest in comprehensive metabolic profiling of biofluids and tissues, there is a growing need to develop comprehensive reference resources for certain clinically important biofluids, such as blood, urine and cerebrospinal fluid
E Dworzak et al.
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 23(6), 323-329 (1985-06-01)
Evidence is presented for defective pyruvate dehydrogenase (EC in leukocytes and muscle tissue from a 10-year old child with persistent lactic acidosis, suffering from myasthenia and growth retardation. The defect is expressed in vitro by a depressed stimulation of
E Esenmo et al.
The American journal of physiology, 263(1 Pt 1), E36-E41 (1992-07-01)
Estimating the rate of hepatic gluconeogenesis in vivo from the incorporation of 14C from 14CO2 into glucose requires determination of the rates in liver of equilibration of oxaloacetate with fumarate, conversion of oxaloacetate to phosphoenolpyruvate (PEP), and conversion of PEP
[Malate and oxaloacetate levels in whole blood of patients with and without malignant tumor diseases].
E Schauenstein et al.
Wiener klinische Wochenschrift, 85(26), 478-482 (1973-06-29)
Anthony Gandin et al.
Plant & cell physiology, 53(9), 1627-1637 (2012-08-01)
In higher plants, the mitochondrial electron transport chain has non-phosphorylating alternative pathways that include the alternative terminal oxidase (AOX). This alternative pathway has been suggested to act as a sink for dissipating excess reducing power, minimizing oxidative stress and possibly
P D Rabinovich et al.
Voprosy meditsinskoi khimii, 25(6), 755-758 (1979-11-01)
Content of pyruvic, lactic, citric, acetic, oxaloacetic acids in blood as well as excretion of pyruvic acid with urine were studied in patients with ulcer, chronic gastritis, carcinoma of the stomach and in healthy persons. Concentrations of pyruvic and lactic
Min Liang et al.
Nitric oxide : biology and chemistry, 46, 114-122 (2014-12-20)
Hydrogen sulfide (H2S) has been reported to inhibit myocardial hypertrophy in a cell model of cardiomyocyte hypertrophy. Our previous study also shows an H2S-induced increase in glucose metabolism in insulin-targeting cells. The present study aims to examine the hypothesis that
Francisco Campos et al.
The international journal of biochemistry & cell biology, 44(2), 262-265 (2011-11-17)
It is well established that glutamate acts as an important mediator of neuronal degeneration during cerebral ischemia. Different kind of glutamate antagonists have been used to reduce the deleterious effects of glutamate. However, their preclinical success failed to translate into
Tonya N Zeczycki et al.
Biochemistry, 50(45), 9694-9707 (2011-10-01)
While crystallographic structures of the R. etli pyruvate carboxylase (PC) holoenzyme revealed the location and probable positioning of the essential activator, Mg(2+), and nonessential activator, acetyl-CoA, an understanding of how they affect catalysis remains unclear. The current steady-state kinetic investigation
Danielle Miller et al.
Biochemistry, 53(28), 4635-4647 (2014-07-01)
We have established the biosynthetic pathway and the associated genes for the biosynthesis of the 5-(aminomethyl)-3-furanmethanol (F1) moiety of methanofuran in the methanogenic archaeon Methanocaldococcus jannaschii. The recombinant enzyme, derived from the MJ1099 gene, was shown to readily condense glyceraldehyde
Eva Brekke et al.
Glia, 60(1), 147-158 (2011-11-05)
Pyruvate carboxylation (PC) is thought to be the major anaplerotic reaction for the tricarboxylic acid cycle and is necessary for de novo synthesis of amino acid neurotransmitters. In the brain, the main enzyme involved is pyruvate carboxylase, which is predominantly
Yoshinori Tsuji et al.
Plant & cell physiology, 53(6), 1043-1052 (2012-04-12)
Pyruvate carboxylase (PYC) catalyzes the β-carboxylation of pyruvate to yield oxaloacetate (OAA). We previously isolated a cDNA encoding a putative PYC (EhPYC1) from the haptophyte alga Emiliania huxleyi and then proposed that EhPYC1 contributes to active anaplerotic β-carboxylation during photosynthesis
Angela Ruban et al.
Investigational new drugs, 30(6), 2226-2235 (2012-03-07)
L-Glutamate (Glu) plays a crucial role in the growth of malignant gliomas. We have established the feasibility of accelerating a naturally occurring brain to-blood Glu efflux by decreasing blood Glu levels with intravenous oxaloacetate, the respective Glu co-substrate of the
B C Sweatman et al.
Journal of pharmaceutical and biomedical analysis, 11(8), 651-664 (1993-08-01)
Extensive assignments of resonances in the 600 MHz 1H-NMR spectra of cerebrospinal fluid are reported. These have been achieved by the measurement of a combination of two-dimensional experiments comprising homonuclear J-resolved, COSY45, and double-quantum filtered COSY (DQCOSY) spectra. By these
Fan Fan et al.
Biochemistry, 51(25), 5198-5211 (2012-06-05)
ATP citrate lyase (ACL) catalyzes an ATP-dependent biosynthetic reaction which produces acetyl-coenzyme A and oxaloacetate from citrate and coenzyme A (CoA). Studies were performed with recombinant human ACL to ascertain the nature of the catalytic phosphorylation that initiates the ACL
R H Allen et al.
Metabolism: clinical and experimental, 42(8), 978-988 (1993-08-01)
Citrate synthase catalyzes the condensation of acetyl-coenzyme A (CoA) and oxaloacetic acid to form citric acid. The enzyme also catalyzes the condensation of propionyl-CoA and oxaloacetic acid with a maximal reaction velocity (Vmax) approximately 10(-4) times that of acetyl-CoA to
A S Efimov et al.
Problemy endokrinologii, 29(2), 10-14 (1983-03-01)
The blood oxaloacetate, alpha-ketoglutarate, malate and citrate concentrations and citrate excretion with the urine were studied in 86 patients with diabetes mellitus. An enhanced citrate content and lowered oxaloacetate, malate and alpha-ketoglutarate concentration were detected in the blood of patients
Masaru Tamura et al.
Journal of bacteriology, 195(6), 1133-1141 (2013-01-01)
Escherichia coli cells normally require RNase E activity to form colonies (colony-forming ability [CFA]). The CFA-defective phenotype of cells lacking RNase E is partly reversed by overexpression of the related endoribonuclease RNase G or by mutation of the gene encoding
Daqian Xu et al.
Nature, 580(7804), 530-535 (2020-04-24)
Cancer cells increase lipogenesis for their proliferation and the activation of sterol regulatory element-binding proteins (SREBPs) has a central role in this process. SREBPs are inhibited by a complex composed of INSIG proteins, SREBP cleavage-activating protein (SCAP) and sterols in
Minfeng Ying et al.
Redox biology, 46, 102065-102065 (2021-07-23)
Although glucose, through pentose phosphate pathway (PPP), is the main source to generate NADPH, solid tumors are often deprived of glucose, hence alternative metabolic pathways to maintain NADPH homeostasis in cancer cells are required. Here, we report that lactate and
Christoph Lehmann et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 29(12), 5029-5043 (2015-08-21)
Resolution of acute inflammation is an active process coordinated by proresolving lipid mediators (SPMs) such as lipoxins (LXs) and resolvins (Rvs), which are formed by the concerted action of 2 lipoxygenases (LOs). Because the exact molecular mechanisms of SPM biosynthesis
C Zupke et al.
Applied microbiology and biotechnology, 44(1-2), 27-36 (1995-12-01)
Quantitative estimates of intracellular fluxes and measurements of intracellular concentrations were used to evaluate the effect of dissolved oxygen (DO) concentration on CRL 1606 hybridoma cells in batch culture. The estimates of intracellular fluxes were generated by combining material balances
Matthew Boyko et al.
Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics, 9(3), 649-657 (2012-06-20)
Blood glutamate scavengers have been shown to effectively reduce blood glutamate concentrations and improve neurological outcome after traumatic brain injury and stroke in rats. This study investigates the efficacy of blood glutamate scavengers oxaloacetate and pyruvate in the treatment of
W Sperl et al.
Padiatrie und Padologie, 20(1), 55-67 (1985-01-01)
We report on a patient, now 17 year old, in whom lactic acidosis was detected at the age of 7 while attempting to diagnose the causes of increasing weakness. The laboratory examinations revealed elevated pyruvate, alanine and oxaloacetate levels in
Soohyun Park et al.
Bioprocess and biosystems engineering, 36(1), 127-131 (2012-05-31)
A new phosphoenolpyruvate carboxylase (PEPC) gene of Dunaliella salina is identified using homology analysis was conducted using PEPC gene of Chlamydomonas reinhardtii and Arabidopsis thaliana. Recombinant E. coli SGJS115 with increased production of malate and oxaloacetate was developed by introducing
Lee Hua Long et al.
Biochemical and biophysical research communications, 417(1), 446-450 (2011-12-15)
Several phenolic compounds as well as ascorbate can oxidise in certain cell culture media (especially Dulbecco's modified Eagle's medium (DMEM)) to generate hydrogen peroxide. Addition of oxaloacetate decreased the levels of H(2)O(2) detected and the oxaloacetate was depleted. Oxaloacetate was
Alessandra Ferramosca et al.
BioMed research international, 2015, 645984-645984 (2015-08-25)
In recent years, several studies focused their attention on the role of dietary fats in the pathogenesis of hepatic steatosis. It has been demonstrated that a high-fat diet is able to induce hyperglycemia, hyperinsulinemia, obesity, and nonalcoholic fatty liver disease.
Soohyun Park et al.
Applied biochemistry and biotechnology, 167(7), 1845-1853 (2012-05-29)
We examined the expression of the phosphoenolpyruvate carboxylase (PEPC) gene from marine bacteria in Escherichia coli using codon optimization. The codon-optimized PEPC gene was expressed in the E. coli K-12 strain W3110. SDS-PAGE analysis revealed that the codon-optimized PEPC gene
Tonya N Zeczycki et al.
Biochemistry, 50(45), 9724-9737 (2011-10-01)
The catalytic mechanism of the MgATP-dependent carboxylation of biotin in the biotin carboxylase domain of pyruvate carboxylase from R. etli (RePC) is common to the biotin-dependent carboxylases. The current site-directed mutagenesis study has clarified the catalytic functions of several residues
Page 1 of 2
Page 1 of 2