Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.1.1 (hexokinase)
 5,274 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Despite the presence of a marked decrease in liver protein content 48 h after a single injection of D-galactosamine, increased activities of glucose-6-phosphate dehydrogenase, low-Km hexokinase and pyruvate kinase type M2 were observed in the injured liver. Microsomal aniline hydroxylase activity and cytochrome P-450 content in liver decreased significantly in 48 h of galactosamine treatment but not in the first 2 h in contrast with carbon tetrachloride (CCL4) intoxication. The extents of those changes were not so great as in CCl4-treated rats. The disaggreation of polyribosomes in liver was observed in 24 h of galactosamine treatment. However, the formation of microsomal lipoperoxidation did not increase in the entire course of acute liver injury by the amino sugar. These results taken together with our previous observations indicate that the dysregulation of protein synthesis is an essential biochemical event of hepatocyte injury induced by treatment of rats with galactosamine as well as CCl4.
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PMID:Dysregulation of protein synthesis in injured liver. A comparative study on microsomal and cytosole enzyme activities, microsomal lipoperoxidation and polysomal pattern in D-galactosamine and carbon tetrachloride-injured livers. 71 Mar 83

Acetaminophen, p-aminophenol, and oxyphenbutazone interfere with the glucose oxidase/peroxidase method for glucose. Structurally related compounds that lack a free phenolic hydroxyl group (acetanilide, aniline, and phenylbutazone) do not interfere. During the analytical procedure acetaminophen is consumed. One mole of acetaminophen leads to an apparent loss of four moles of glucose. The hexokinase/glucose-6-phosphate dehydrogenase method (Boehringer Hexokinase method) is not affected by these substances.
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PMID:Interference by acetaminophen in the glucose oxidase-peroxidase method for blood glucose determination. 97 21

The effect of tris-(2-chloroethyl)-amine (HN-3) on RNA and DNA was investigated spectrophotometrically. The shift in the absorbance spectrum caused by the addition of HN-3 was used to test a variety of compounds for their ability to inhibit RNA alkylation. The effect of HN-3 on the activity of several enzymes was also investigated. The activities of ribonuclease A, desoxyribonuclease I, acetylcholinesterase, diaphorase, glutathione reductase, adenosine desaminase, glyoxalase I, 3-hydroxyacyl-CoA-dehydrogenase, xanthine oxidase, glucose-6-phosphate dehydrogenase, hexokinase and the microsomal N-oxygenation of aniline were not changed by HN-3, whereas the activity of cytochrome-c-reductase exhibited a dose dependent diminution in the presence HN-3. Of 105 compounds tested only 14, namely, sodium thiosulfate, dithioxanthine, thiosalicylic acid, 1,2,4-triazole-5-thiol, 2-thiocytosine, 2-thiohistadine, 2,3-dithiosuccinic acid, thioglycolic acid, 3-mercapto-D-valine,6-amino-2-thiouracil, thionicotine amide, dithiothreitol, sodium sulfite, and ergothioneine prevented the alkylation of RNA. All of them also reacted with HN-3 in absence of RNA. No correlation was found between the reaction constant of the reaction compound:HN-3 in the absence of RNA and the concentration of the compound which inhibited RNA alkylation by 50%. The compounds which were effective in vitro were also tested in mice for their ability to reduce HN-3 toxicity in vivo. Only sodium thiosulfate, d-penicillamine, and dithiosuccinic acid were effective. A 3.9fold increase in the LD50 of HN-3 was achieved in mice treated with sodium thiosulfate 3330 mg/kg i.p., a 1.7fold with 2125 mg dithiosuccinic acid/kg, and a 2fold increase with 2500 mg/kg d-penicillamine. The compound tested was injected i.p. 0.5 to 1 min after the s.c. injection of HN-3.
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PMID:Effect of various compounds on the reaction of tris-(2-chloroethyl)amine with ribonucleic acid in vitro and on its toxicity in mice. 617 33