Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.2.1.31 (beta-glucuronidase)
 7,680 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The pregnant rats were treated with formaldehyde (0.5 mg/kg daily per os) during whole period of pregnancy. The activity of cytochrome-c-oxidase, malate dehydrogenase, nucleotidase, glucose-6-phosphatase, beta-glucuronidase, N-acetyl-beta-glucosaminidase, beta-galactosidase, H(+)-ATPase, glutamate dehydrogenase, NAD- and NADP-isocitrate dehydrogenase, fructose-bisphosphate aldolase, glucose-6-phosphate dehydrogenase and content of protein in liver celts of offsprings (newborns, 2 weeks age and 2 months age) were studied. It was shown differences in development enzyme systems of control and experimental animals during ontogenesis.
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PMID:[Experimental study of the effect of formaldehyde during embryogenesis on the activity of rat liver enzyme systems in ontogenesis]. 913 53

Whole body exposure of male rats to 7 Gy gamma irradiation increased lipid peroxidation in the liver resulting in biomembrane damage of subcellular structures and release of their enzymes. This is evidenced by increase of thiobarbituric acid-reactive substances (TBARS) in mitochondria, lysosomes and microsomes. This was associated with a decrease in activity of the enzymes specific for each subcellular fraction; namely, mitochondrial glutamate dehydrogenase (GDH), lysosomal beta-glucuronidase and microsomal glucose 6-phosphatase. This was paralleled by an increased activity of these enzymes in the cytosol. Rats were supplemented with lycopene, a carotenoid present in tomatoes (5 mg/kg weight/day), by gavage, for 7 days before exposure to 7 Gy gamma irradiation. This resulted in diminishing amount of TBARS recorded for each subcellular structure in the liver of irradiated animals. Significant amelioration in the decrease recorded for the activity of mitochondrial glutamate dehydrogenase, lysosomal beta-glucuronidase and microsomal glucose 6-phosphatase was observed. This was associated with significant amelioration in the increase recorded for the activity of these enzymes in the cytosol. It is postulated that lycopene could play an important role in the recovery of the integrity of biological membranes of the liver after radiation injury.
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PMID:Role of lycopene in recovery of radiation induced injury to mammalian cellular organelles. 1126 92

Clostridium difficile is the primary causative agent of antibiotic-associated diarrheal disease. To facilitate molecular genetic analysis of gene expression in this organism, methods were developed to study transcriptional regulation in vitro and in vivo. That is, C. difficile RNA polymerase was partially purified and shown to bind to and initiate transcription in vitro from bona fide C. difficile promoters for rRNA and glutamate dehydrogenase genes. In addition, primer extension analyses and a beta-glucuronidase reporter system were used to quantitate transcription from these promoters in vivo. With these tools in hand, it is now possible to characterize the behavior of any C. difficile gene in vivo and to study the regulation of its expression in detail.
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PMID:Isolation of RNA polymerase from Clostridium difficile and characterization of glutamate dehydrogenase and rRNA gene promoters in vitro and in vivo. 1635 25


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