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Small but persistent amounts of L-lactate dehydrogenase (LDH) activity were found in mitochondrial preparations isolated from rat heart, kidney, liver, and lymphocytes. Brain mitochondrial preparations were also isolated, but the results were inconclusive. A variety of cytosolic markers were used and it was found that essentially no cytosolic contamination(More)
The use of I50 (concentration of inhibitor required for 50% inhibition) for enzyme or drug studies has the disadvantage of not allowing easy comparison among data from different laboratories or under different substrate conditions. Modifications of the Michaelis-Menten equation for treatment of inhibitors can allow both the determination of the type of(More)
Relatively small but persistent amounts of L-lactate dehydrogenase (LDH) activity were found in mitochondrial preparations isolated from liver of the rat. Using a variety of cytosolic markers, it was found that essentially no cytosolic contamination was present. Respiratory velocities and respiratory control with L-lactate were somewhat lower than with(More)
FOXE3 is a lens-specific transcription factor that has been associated with anterior segment ocular dysgenesis. To determine the transcriptional target(s) of FOXE3 that are indispensable for the anterior segment development, we examined the transcriptome and the proteome of cells expressing truncated FOXE3 responsible for Peters anomaly identified through(More)
Glyoxalase I (S-lactoyl-glutathione methylglyoxal-lyase (isomerizing), EC 4.4.1.5) was assayed using alcoholic, acidic 2,4-dinitrophenylhydrazine to follow the disappearance of methylglyoxal over time, with the absorbance of formed methylglyoxal bis-hydrazone measured at 432 nm. Erythrocyte glyoxalase I activities were found to be 64, 41, and 18 mumole of(More)
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