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:3.1.1.8 (cholinesterase)
12,691 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Under conditions of local practice, the application of 2,3-succinate-14C-malathion on beans led to the formation of 17-18% of bound 14C-residues after 30 weeks. When fed to rats, 75% of these residues became bioavailable after 2 days with the major part, excreted via expired air (8%) and urine (60%). The main radioactive metabolites detected in urine were malathion monocarboxylic acid and malathion dicarboxylic acid. Feeding of bound residues to mice (1.8 ppm in feed) for 90 days resulted in a reduction in body weight gain after 60 days and inhibition of erythrocyte cholinesterase activity after 90 days. Increased levels of serum glutamic oxaloacetic transaminase and alkaline phosphatase were also observed. The results strongly suggest that bean-bound malathion residues can cause adverse biological effects in mice.
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PMID:Bioavailability to rats and toxicological potential in mice of bound residues of malathion in beans. 152 57

Specific biochemical and physiological tests of liver function were used to assess 20 consecutive patients undergoing prolonged head and neck surgery with halothane or isoflurane anaesthesia. Hepatic function was assessed by measurement of serum concentrations of total bilirubin and albumin, and plasma activity of pseudocholinesterase, gamma-glutamyl transferase (GGT), aspartate transaminase (AST), alkaline phosphatase (ALP) and hepatic glutathione S-transferase. Plasma clearance of indocyanine green was used as an estimate of hepatic blood flow. No major differences were observed in serum concentrations of GGT, ALP, bilirubin, albumin or pseudocholinesterase. Serum AST activity in those patients receiving halothane was increased at 24 h and at 48 h compared with those who received isoflurane (not statistically significant). Glutathione S-transferase activity was increased significantly in the halothane group throughout the period of study, compared with those who received isoflurane. Similarly, there was a significant difference between the two groups as measured by plasma clearance of indocyanine green: in the halothane group there was a slower disappearance rate of the dye from plasma at specific times than in the patients who received isoflurane. Our data support the use of isoflurane rather than halothane for prolonged anaesthesia.
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PMID:Indocyanine green clearance and hepatic function during and after prolonged anaesthesia: comparison of halothane with isoflurane. 154 Apr 59

Malignant rheumatoid arthritis (MRA) is a name for rheumatoid arthritis (RA) complicated with systemic vasculitis or other severe extra-articular manifestations, which can cause a fatal outcome. MRA is found in 4-5% of inpatients with RA. The male to female ratio is 1:1.45. Histologically, 3 main types are recognised in rheumatoid vasculitis; RA type (vasculitis with rheumatoid nodule-like appearance), PN type (fibrinoid vasculitis similar to PN), and EA type (endoarteritis obliterans). High titers of rheumatoid factor, immune complexes, hypocomplementemia, hypoproteinemia, decreased choline esterase activity, elevated alkaline phosphatase activity and leukocytosis are characteristic laboratory features of MRA. Recently, it appears that MRA is becoming less and the prognosis is getting better, perhaps due to the advancement in treatment.
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PMID:[Malignant rheumatoid arthritis]. 158 55

Clinical, haematological and biochemical studies of 34 subjects, occupationally exposed to different types of pesticides, were conducted. The findings have been compared with those observed in 14 control subjects. Inhibition of cholinesterase activity was observed in the exposed group. Serum alkaline phosphatase was also found to be raised. Radiological examination revealed pneumonitic patches in the chest skiagrams of three exposed subjects. Paraesthesia with hyporeflexia was also found in 8.8% of exposed subjects. The findings suggest that exposure to multiple pesticides over many years affects the normal functioning of different organ systems and may produce characteristic clinical effects.
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PMID:The clinical and biochemical study of pesticide sprayers. 167 51

Serum CA 19-9 and alpha-fetoprotein (AFP) levels were determined in 211 patients with liver cirrhosis and 27 with primary hepatocellular carcinoma (HCC) associated with liver cirrhosis. This was done to determine the usefulness of CA 19-9 level with respect to AFP level in distinguishing between these two illnesses, and to assess the influence of some clinical and biochemical variables on these tests in patients with liver cirrhosis with or without primary HCC. Pathologic AFP values were found in 23 of 27 (sensitivity, 85%) patients with HCC; CA 19-9 levels increased in only 12 of 27 (sensitivity, 44%) HCC patients, the values being comparable with those of patients with liver cirrhosis. In liver cirrhosis a substantial number of false-positive values was found for both markers, although they were higher for CA 19-9 (50 of 211 versus 39 of 211). In liver cirrhosis correlations were found between AFP level and alanine amino-transferase level; and between CA 19-9 level and (1) total bilirubin value, (2) alkaline phosphatase level, and (3) pseudocholinesterase level. The authors conclude that CA 19-9 level is a poor biochemical marker, inferior to AFP level, in the detection of a carcinomatous transformation of liver cirrhosis. The finding of false-positive AFP values in liver cirrhosis seems mainly attributable to cellular proliferation and necrosis. Cholestasis seems to greatly affect serum CA 19-9 level variations, probably by reducing its liver metabolism.
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PMID:Serum CA 19-9 and alpha-fetoprotein levels in primary hepatocellular carcinoma and liver cirrhosis. 138 Dec 71

Biochemical components usually evaluated in seminal plasma are lower than those in blood serum. In this study the concentration of different constituents in seminal plasma has been analyzed: creatinine, urea, glucose, uric acid, sodium, potassium, triglycerides, cholesterol, bilirubin, alkaline phosphatase, glutamic oxalacetic transaminase (SGOT), glutamic pyruvate transaminase (SGPT), cholinesterase, creatin phospho chinase (CPK), gamma glutamyl transpeptidase, lactic dehydrogenase (LDH), proteins, in comparison with the concentrations of the same constituents in blood. With the exception of uric acid, all the biochemical components in the seminal plasma were either significantly higher or lower than in blood serum, an index of the complexity of the mechanism regulating the presence and distribution of the single components in seminal plasma compared with blood serum. Isoelectro-focussing for proteins showed, in seminal plasma, a higher quantity of fragments and a different distribution of this in comparison with blood serum.
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PMID:[Prospectives of the study of seminal fluid in the diagnosis of infertility]. 178 5

In the structures of the nucleus supraopticus, changes of the activity of some enzymes (alkaline phosphatase, acid phosphatase, thiamine pyrophosphatase, butyrylcholinesterase, succinate dehydrogenase, glycerol-3-phosphate dehydrogenase) were studied in rat brains exposed to high supralethal doses of gamma radiation at early time interval after irradiation. The activity of alkaline phosphatase, acetylcholinesterase and butyrylcholinesterase increased in the wall of blood capillaries after irradiation with 50, 150, 500 Gy. The dose of 500 Gy induced the most pronounced activity. These membrane enzymes are highly sensitive to ionizing radiation. The activity of acid phosphatase, acid nonspecific esterase and thiamine pyrophosphatase increased in magnocellular neurons after irradiation with all doses of gamma radiation. Glycerol-3-phosphate dehydrogenase and succinate dehydrogenase showed a decreased activity in neurons, neuropil and capillaries.
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PMID:Effect of ionizing radiation on the nucleus supraopticus. 183 85

The effects of dietary aflatoxin (AF) and diacetoxyscirpenol (DAS), singly and in combination, were evaluated in growing crossbred barrows. The experimental design consisted of 4 treatments of 9 barrows each fed diets containing 1) 0 mg AF and 0 mg DAS/kg feed (control), 2) 2.5 mg AF/kg feed, 3) 2.0 mg DAS/kg feed, or 4) 2.5 mg AF + 2.0 mg DAS/kg feed for 28 days (10-14 weeks of age). Production performance, serum biochemical, hematologic, and pathologic measurements were made. Body weight and body weight gain were significantly decreased by each toxin but more so by the combination treatment. The effects were additive in nature. Liver and spleen weights, as percentages of body weight, were increased by the AF and AF + DAS treatments, and AF or AF + DAS treatments induced diffuse hepatocellular vacuolar change, early portal fibrosis, and early bile duct hyperplasia. Aflatoxin increased serum values of creatinine and gamma glutamyl transferase, cholinesterase, and alkaline phosphatase activities; increased packed cell volume and hemoglobin; and decreased urea nitrogen and total iron binding capacity. DAS reduced serum iron binding capacity. The AF + DAS treatment increased serum gamma glutamyl transferase and alkaline phosphatase activities, increased hemoglobin, and decreased serum iron binding capacity. Generally, the combination treatment could be described as additive or less than additive, with most of the effects attributable to AF. Under the conditions and parameters monitored in this study, AF and DAS had no synergistic toxic effects when incorporated into diets of growing barrows.
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PMID:Cocontamination of swine diets by aflatoxin and diacetoxyscirpenol. 189 33

Thirty patients suffering from active intestinal S. mansoni infection, were classified into 3 groups. The first group: 13 cases with early active intestinal schistosomiasis without hepatosplenomegaly. The second group: 11 cases with hepatosplenomegaly and the third group: 6 cases with splenomegaly and ascites. Also 10 normal individuals were included as a normal control group. Histopathological examination of rectal mucosa showed hyperaemia with extravasation of blood in early cases and granulomatous lesions in the second group with hepatosplenomegaly. The structural changes were severe in the late ascitic group. In this group the rectal mucosal glands showed distorted irregular tubular branching in addition to the granulomatous and the fibrous reactions. Histochemical studies including periodic acid schiff, alkaline phosphatase and acetyl cholinestrase reactions were done. Using the periodic acid shiff stain, the goblet cells showed strong reaction for neutral mucin in cases of group I (early cases) and group II (late hepatosplenomegalic cases). In group III (late ascitic cases) the goblet cells were faintly stained. A notable difference was observed between the lightly and heavily infected patients of this group. No alkaline phosphatase reactivity could be identified in rectal crypts of patients and controls. Alkaline phosphatase reactivity was sharply localised in S. mansoni egg shell. There was obvious decrease in the acetyl cholinesterase stained nerve fibres in the rectal mucosa of all studied patients. The decrease was more in chronic and heavily infected cases rather than in the acute and lightly infected ones.
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PMID:Histochemical studies on rectal mucosa in active intestinal schistosomiasis. 190 99

We investigated the effect of starvation for 24 hr and subsequent refeeding for 12 hr on the circadian rhythms of 39 hematological and clinico-biochemical parameters, and water intake of F344 rats. The rats scarcely drank any water during the starvation period, but subsequently their intake of water were normal, even in the light period. During starvation, 12 parameters such as serum levels of alkaline phosphatase activity and PaCO2 decreased with time-related and time-related increases of 8 parameters such as the erythrocyte count and cholinesterase activity. During refeeding for 12 hr, almost all these biochemical parameters were normalized, but none of the hematological values except the leukocyte count returned to normal levels. Starvation and refeeding had little affect on the circadian rhythms of others.
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PMID:Effect of starvation and refeeding on the circadian rhythms of hematological and clinico-biochemical values, and water intake of rats. 191 7


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