Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: EC:4.1.2.13 (aldolase)
3,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Setaria cervi, the filarial parasite inhabiting the Indian water buffalo (Bubalus bubalis Linn.) contained almost all the enzymes involved in glycogen degradation. Significant activities of glycogen phosphorylase, glucokinase, phosphoglucomutase, phosphoglucose isomerase, phosphofructokinase, FDP-aldolase, glyceraldehyde-3-phosphate dehydrogenase, phosphopyruvate hydratase, pyruvate kinase, lactate dehydrogenase glucose-6-phosphate dehydrogenase and 6-phosphogluconate dehydrogenase were detected in cell-free extracts of whole worms. The presence of PEP-carboxykinase, malate dehydrogenase, fumarase and fumarate reductase revealed the functioning of the PEP-succinate pathway in addition to phosphorylating glycolysis and pentose phosphate pathway in the parasite. Excepting fumarate reductase all other enzymes were localized in the particulate-free cytosol fraction, although small amounts of glycogen phosphorylase, aldolase and lactate dehydrogenase were also detected in the mitochondrial fraction.
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PMID:Setaria cervi: enzymes of glycolysis and PEP-succinate pathway. 86 May 72

Adrenaline was given intramuscularly to resting horses. It increased heart rate, sweating, blood levels of lactic dehydrogenase, aldolase, creatine kinase, glucose, lactate, free fatty acids and glycerol. Responses to isoprenaline, to noradenaline and to adrenaline after pretreatment with propranolol indicated that beta receptors were involved in stimulation of tachycardia, sweating, lipolysis and muscle glycogenolysis, and alpha receptors in stimulation of liver glycogenolysis and leakage of intracellular enzymes. The time course and relative magnitude of the effects on different enzymes was not identical to that produced by exercise.
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PMID:Biochemical and physiological effects of catecholamine administration in the horse. 87 31

Human erythrocyte ghosts were solubilized in a low ionic strength medium containing 1% Triton X-100 and subjected to electrophoresis in polyacrylamide gels containing Triton X-100. Five major bands were stained with Coomassie Blue, all except one band being heterogenous when re-electrophoresed in gels containing sodium dodecyl sulphate. It was possible to detect acetylcholinesterase, non-specific esterase, ATPase, alkaline phosphatase, 5'-nucleotidase, glyceraldehyde-3-phosphate dehydrogenase, lactate dehydrogenase, and aldolase activities on the Triton-containing polyacrylamide gels. Two of the enzymes, ATPase and 5'-nucleotidase, showed substantial inhibition by Triton X-100 in quantitative studies. This appears to be a useful method for studying membrane enzymes in normal and pathological red cells.
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PMID:Polyacrylamide gel electrophoresis of human erythrocyte membrane enzymes solubilized with triton X-100. 89 Sep 65

The lactate and pyruvate levels, as well as acid and alkaline phosphatase, lactate dehydrogenase, glucose-6-phosphate dehydrogenase, glutaminic acid-oxalacetic acid transaminase and aldolase levels of rat liver homogenizates were measured at 24 degrees C and 38 degrees C during 120 min ischaemia from 0 to the 120th min. With the exception of transaminase and aldolase, the other enzymes were also enzyme-histochemically studied. The early lesions of the liver can be detected, both the quantitative laboratory tests and enzyme histochemical studies. The deviations from normal, observed at 24 degrees C between the 60th and 100th min, and at 38 degrees C between the 30th and 60th min, might be signs of irreversible lesions. Fractionated study of the liver homogenizate improves the assessability of enzyme determinations. In the course of "warm" ischaemia, the liver lysosomal lesions are early symptoms. Parallel to the breakdown of aerobic glycolysis lactic acid, fermentation, and an active pentose phosphate cycle can be detected. Quantitative testing of the liver homogenizate and enzyme histochemical observation of the hepatic tissue, might be a suitable method for the assessment of ischaemic liver lesions.
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PMID:Effect of ischaemia on the enzyme activity of the hepatic tissue. 89 61

Two cases with acute renal failure after prolonged hypothermia are presented. Both patients were found in come, became rapidly uremic and required hemodilaysis treatment. Although the laboratory findings were typical of severe muscle damage, e.g. elevated levels of serum creatinine phosphokinase, serum lactic dehydrogenase and serum aldolase activities, visible "crush-injuries" were not found. Acute renal failure was characterized by extreme catabolism and severe metabolic acidosis. After 4 and 10 hemodialyses respectively, the patients became polyuric and finally were discharges with normal renal and muscle function. Hypotension with diminished renal perfusion and nontraumatic rhabdomyolysis due to prolonged hypothermia are regarded as the dominant pathogenetic factors in the acute renal failure.
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PMID:[Acute kidney failure in hypothermia]. 89 29

The enzymes in perilymph of the inner ear scala and within fluid filling the middle ear cavity were investigated in the fetal guinea pig near term. Perilymph lactic dehydrogenase (LDH) exhibited differential activity between fetal scalae vestibuli and tympani, and LDH, aldolase, phosphohexose isomerase and creatine phosphokinase in perilymph of particular fetal scalae were elevated in activity in activity in comparison to corresponding maternal values. Moreover, LDH displayed different isozyme patterns for antenatal and gravid perilymph. In the middle ear fluid, all of the above enzymes were encountered but varied somewhat from the quantities determined for either prenatal perilymph or maternal serum. After gravid guinea pigs were exposed to a tone of 4 kHz, 100 dB SPL for 2 hours, LDH of the fetal middle ear fluid was reduced in activity 24 hours later. The metabolic significance of the fetal distinctions in the ear fluids and the clinical implications of the current work are discussed.
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PMID:Enzymatic activity of inner and middle ear fluids in fetal guinea pigs under ambient and high-intensity sound presentation. 90 16

The activity of the following enzymes in clinically normal newborn calves was investigated: glutamate-oxalacetate transaminase (GOT), glutamate-pyruvate transaminase (GPT), alkaline phosphatase (APh), creatine phosphokinase (CPhK), lactate dehydrogenase (LDH), leucine-aminopeptidase (LAP), aldolase (A), and cholinesterase (ChE). The studies were carried out at the first hour prior to offering colostrum as well as at the 6th, 12th, 24th hr and on the 2nd, 3rd, 4th, 5th, 7th, 10th, 15th, and 20th day following it first intake. Regularly rising values of the enzyme activity up to the 24th hour were observed with APh, GOT, GPT, CPhK, and LAP. The aldolase enzyme (after colostrum had been given for the first time) in all animals showed a statistically significant drop of activity at the 6th hour. The activity of LDH displayed a consistently rising trend up to the end of the experimental period. The cholinesterase activity showed high values immediately following birth, reaching those found in the dams by the end of the observation period.
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PMID:[Dynamics of some serum enzymes in the postnatal development of calves]. 94 95

A method based upon the principle that unlike domains of bonding are reflected in different reactivities and distribution of residues that can be crosslinked, has been elaborated for the determination of symmetry of oligomeric proteins. The derivation of theoretical curves for the prediction of crosslinking patterns of tetramers produced by reaction with a bifunctional reagent and subsequent sodium-dodecylsulphage-gel electrophoretic analysis, is presented. Based upon the theory the symmetry properties of a tetramer, to the extent whether it is an isologous or heterologous association, can be deduced by a simple calculation. Crosslinking patterns obtained with rabbit muscle aldolase and pig muscle lactate dehydrogenase after treatment with a series of diimidoesters of increasing chain length are evaluated and shown to be consistent with the expectations for isologous tetramers. From the patterns obtained with the various reagents the distances between lysyl residues located nearest to each other in different subunits in the two proteins could also be determined.
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PMID:Crosslinking with bifunctional reagents as a means for studying the symmetry of oligomeric proteins. 98 6

The activities of aspartate transminase (EC 2.6.1.1), alanine transminase (EC 2.6.1.2), alkaline phosphatase (EC 3.1.3.1), acid phosphatase (EC 3.1.3.2) leucine arylamidase (EC 3.4.1.1), aldolase (EC 4.1.2), lactate dehydrogenase (EC 1.1.1.27), malate dehydrogenase (EC 1.1.1.38) and cholinesterase (EC 3.1.1.7) were measured in serum of male rabbits and albino Wistar rats in dlplicate by means of microliter techniques. Furthermore, the diurnal alterations of enzyme activity were established in 8--10 animals of both species. Aspartate transaminase activity in the serum of rats was found to be significantly higher than in the serum of humans and rabbits, and essentially lower alkaline phosphatase values were obtained from the serum of rabbits in comparison with those found for the serum of humans and rats. Relatively high acid phosphatase and aldolase values as well as a very low cholinesterase activity were found in the serum of rabbits and rats. The mean malate dehydrogenase-activity was found to be twice as high as the mean lactate dehydrogenase, which is the contrary of the situation found in human serum. No significant diural alterations of the examined enzyme activities were established. The differences found between the animal and the human enzyme activities in serum are explained by species-determined peculiarities of metabolism or specific enzyme configuration.
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PMID:[Enzyme activities in serum of rabbits and rats-reference values and circadian alterations. Serum enzymes and factors that influence their activity,I (AUTHOR'S TRANSL)]. 103 68

Soluble enzymes were immobilized and visualized by polyacrylamide gel slabs, impregnated with the incubation medium including auxiliary enzymes. The method has several advantages over existing techniques which make use of gel films or a semipermeable membrane. The diffusion of tissue compounds is effectively limited, while auxiliary enzymes may be operative. Moreover the viscosity of the medium is temperature-independent so that the incubation temperature can be varied. To demonstrate the suitability of the method glycerol-3-phosphate dehydrogenase, lactate dehydrogenase, glucose-6-phosphate dehydrogenase, hexokinase, phosphoglucomutase and aldolase were visulaized in human or rat skeletal muscle. Cytosolic and mitochondrial glycerol-3-phosphate dehydrogenase were both visualized in the absence of added NAD+ and menadione. For the visualization of ATP producint enzymes, like creatine kinase and pyruvate kinase, the method is not suitable.
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PMID:Polyacrylamide gel technique for the histochemical demonstration of soluble enzymes. 105 94


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