pyruvate kinase
Evaluation of tumor M2 pyruvate kinase (Tumor M2 PK) as a biomarker for pancreatic cancer
... of pyruvate kinase [1 – ...M2- pyruvate kinase as a diagnostic test for pancreatic cancer ...M2-pyruvate kinase had an area under the curve (AUC) of ...
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Prevalence of Pyruvate Kinase Deficiency among the Newborns (Shiraz-Iran)
... Pyruvate kinase deficiency (PK; EC 2.7.1.40 and OMIM: 266200) is the most frequent enzyme abnormality of glycolytic pathway that affects generation of ATP in the cells. 12 A tissue specific expression of ...
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Pyruvate kinase is a dosage-dependent regulator of cellular amino acid homeostasis
... Pyruvate kinase emerges as a central hub in the regulation of metabolic pathways important for cell proliferation and cancer. As a glycolytic enzyme, it is responsible for the net ATP yield of glycolysis, ...
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Successful Liver Transplants for Liver Failure Associated With Pyruvate Kinase Deficiency
... Pyruvate kinase deficiency (PKD) is the most common cause of congenital nonspherocytic chronic hemolytic anemia, and patients normally present with mild to severe anemia, unconjugated hyperbilirubinemia, ...
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Metabolic responses to pyruvate kinase deletion in lysine producing Corynebacterium glutamicum
... of pyruvate kinase activity resulted in the formation of the overflow metabolites dihydroxyacetone (DHA) and glycerol whereas these compounds were not produced by the parent ...
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Role of isoenzyme M2 of pyruvate kinase in urothelial tumorigenesis
... The conversion of precancerous lesions to full-fledged cancers requires the affected cells to surpass certain rate-limiting steps. We recently showed that activation of HRAS proto-oncogene in urothelial cells of ...
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The role of pyruvate kinase in the regulation of glycolysis and gluconeogenesis in Propionibacterium shermanii : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Biochemistry at Massey University, New Zealand
... of pyruvate kinase i n v i vo i s de termi ned by the bal ance between activators and i nh i bi tors such that i t i s i nh i bi ted by ATP and Pi during gl uconeogenes i s whi l e , duri ng gl ycolysi s , ...
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Cysteine catabolism and the serine biosynthesis pathway support pyruvate production during pyruvate kinase knockdown in pancreatic cancer cells
... vate kinase (PK), a glycolytic enzyme which catalyzes the conversion of phosphoenolpyruvate (PEP) and ADP into pyruvate and ATP ...[12]. Pyruvate kinase has four isoforms (L, R, M1, and M2) ...
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Endothelial pyruvate kinase M2 maintains vascular integrity
... Our data uncover novel dual roles for PKM2 in proliferating and quiescent ECs. Proliferating ECs, though primary cells, display a number of features of cancer cells, including capacity for rapid pro- liferation, ...
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Pyruvate kinase M2 is requisite for Th1 and Th17 differentiation
... activates pyruvate kinase ...type). Pyruvate kinase is at the final step of glycolysis and converts phosphoenolpyruvate to ...of pyruvate kinase (Supplemental Figure ...
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No evidence for a shift in pyruvate kinase PKM1 to PKM2 expression during tumorigenesis
... The Warburg effect describes the circumstance that tumor cells preferentially use glycolysis rather than oxidative phosphorylation for energy production. It has been reported that this metabolic reconfiguration ...
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Regulation of glycolytic enzyme activity during chronic hypoxia by changes in rate limiting enzyme content Use of monoclonal antibodies to quantitate changes in pyruvate kinase content
... Monoclonal antibodies were prepared against pyruvate kinase (PyKi; ATP: pyruvate phosphotransferase, EC 2.7.1.40) and used to quantitate PyKi content in L2 lung cells and WI-38 fibroblasts cultivated ...
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EFFECT OF ETHANOL EXTRACT OF TRACHYSPERMUM AMMI ON PYRUVATE KINASE AND PHOSPHOENOLPYRUVATE CARBOXYKINASE OF COTYLOPHORON COTYLOPHORUM
... on pyruvate kinase (PK) and phosphoenolpyruvate carboxykinase (PEPCK) the key regulatory enzymes involved in carbohydrate metabolic pathway of Cotylophoron ...
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Pyruvate kinase and the "high ATP syndrome"
... The pyruvate kinase activity was specifically increased (about twice the normal ...the pyruvate kinase activity was found to be increased in all Percoll ...fractions. Pyruvate ...
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Cadmium induces both pyruvate kinase and Na+/H+ exchanger activity through protein kinase C mediated signal transduction, in isolated digestive gland cells of Mytilus galloprovincialis (L )
... molluscan pyruvate kinase is regulated by the phosphorylation/dephosphorylation process (Marie et ...alter pyruvate kinase activity in molluscs (Cortesi and Carpene, 1981; Carpene et ...
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Probing Conformational Feature of a Recombinant Pyruvate Kinase by Limited Proteolysis
... Better understanding of structural features and specificity of Pyruvate kinase will help to take advantage of the enzyme. PK have been isolated and characterized from a number of prokaryotes and eukaryotes, ...
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Selective reticulocyte destruction in erythrocyte pyruvate kinase deficiency
... Incubation with cyanide produced little change in the viscosity of reticulocyte-rich control blood but increased significantly P 0.01 the viscosity of PK-deficient blood.. The studies wi[r] ...
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A study on pyruvate kinase from carcinus maenas
... S.cerevisae enzyme forms an enzyme-pyruvate complex MacFarlane and Ainsworth, 1972 whilst the rabbit muscle enzyme Ainsworth and Macf'arlane, 1973 and the C.maenas enzyme both form enzym[r] ...
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Relation between non bicarbonate buffer value and tolerance to cellular acidosis: a comparative study of myocardial tissue
... The mean value of these two J3a values, the tissue water content, the activity of cytochrome oxidase and pyruvate kinase and the tolerance to hypercapnic acidosis for the nine vertebrate[r] ...
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Alteration of parameters of energy metabolism and ATPase enzymatic system in juvenile common carp (Cyprinus carpio) chronically exposed to tributyltin
... (HK), pyruvate kinase (PK), and lactate dehydrogenase(LDH)) in the muscle tissue, as well as on the ATP enzymatic system (ATP content, Total-ATPase, Na + -K + -ATPase, and Ca 2+ -Mg 2+ -ATPase) in the gill ...
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