Results 191 to 200 of about 81,174 (219)
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[30] Microsomal lipid peroxidation
1978Publisher Summary This chapter discusses microsomal lipid peroxidation. Lipid peroxidation is a complex process known to occur in both plants and animals. It involves the formation and propagation of lipid radicals, the uptake of oxygen, a rearrangement of the double bonds in unsaturated lipids, and the eventual destruction of membrane lipids ...
Steven D. Aust, John A. Buege
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Virchows Archiv B Cell Pathology, 1976
Pieces of liver (in vitro ischemia) and isolated microsomes were subjected to incubation at 4 degrees C and 37 degrees C for various time intervals. The effects on microsomal protein, phospholipids, and cholesterol and on microsomal phosphatases and electron transport enzymes were followed as a functional of time and temperature.
Hans Glaumann, Louis Marzella
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Pieces of liver (in vitro ischemia) and isolated microsomes were subjected to incubation at 4 degrees C and 37 degrees C for various time intervals. The effects on microsomal protein, phospholipids, and cholesterol and on microsomal phosphatases and electron transport enzymes were followed as a functional of time and temperature.
Hans Glaumann, Louis Marzella
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1956
The spatial relationships of the myriad enzymes concerned in cell metabolism have assumed great significance in our efforts to understand the intergrated economy of the plant cell. During investigations into the intracellular distribution of enzymes, the biochemical activities of the mitochondria have been widely studied.
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The spatial relationships of the myriad enzymes concerned in cell metabolism have assumed great significance in our efforts to understand the intergrated economy of the plant cell. During investigations into the intracellular distribution of enzymes, the biochemical activities of the mitochondria have been widely studied.
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[6] Preparation of microsomes with calcium
1978Publisher Summary This chapter focuses on the preparation of microsomes with calcium. Isolation of the microsomal fraction of the hepatic cell employs a procedure of differential ultracentrifugation. This method is developed for mammalian liver tissue, but also employed to obtain microsomal fractions from a variety of tissues, such as lung, kidney ...
John B. Schenkman, Dominick L. Cinti
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Characteristics of b-type cytochromes in brain microsomes: Comparison with liver microsomes
Archives of Biochemistry and Biophysics, 1984Biochemical aspects of b-type cytochromes in swine cerebral microsomes were different from those of cytochrome b5 in liver microsomes, as well as the difference in absorption spectra. First, the kinetic constants, Km and Vmax, in rotenone-insensitive NADH-cytochrome c reductase activity were different from those of liver microsomes, and the activity of
Toshitsugu Yubisui +2 more
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Non-Enzymic Lipid Peroxidation in Microsomes and Microsomal Phospholipids Induced by Anthracyclines
Free Radical Research Communications, 1986The stimulation of non-enzymic lipid peroxidation by doxorubicin, daunorubicin and 7 derivatives was investigated in extracted microsomal phospholipids and in intact microsomes. Evidence was obtained for the necessity of a free amino-sugar moiety for a stimulative effect on lipid peroxidation.
Jan Noordhoek +4 more
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Microsomal Protein Mediates a pH-Dependent Fusion of Liposomes to Rat Brain Microsomes
Membrane Biochemistry, 1990The fusion between rat brain microsomes and liposomes is investigated by measuring the release of octadecylrhodamine B (R18) fluorescence self-quenching. In the experimental conditions used in this work, the method allows a rapid and quantitative evaluation of the mixing of microsome and liposome lipid phases.
PISTOLESI R +2 more
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The effect of deoxycholate on rat brain microsomes and microsomal (Na+K+)-ATPase
Brain Research, 1973Abstract Under carefully controlled conditions for the treatment of rat brain microsomal membranes with deoxycholate, a marked increase in the activities of (Na + K + )-ATPase and total ATPase were observed. The relationship between the increase in enzymic activities and the amount of protein rendered soluble could not explain the observed ...
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The formation of inorganic pyrophosphate in microsomes
Archives of Biochemistry and Biophysics, 1957Abstract The formation of inorganic pyrophosphate from orthophosphate in respiring liver homogenates has been investigated. The results indicate that the major source of the pyrophosphate-forming system is in the microsome fraction, and that the pyrophosphate is formed from ATP, which can be generated either oxidatively by mitochondria or ...
Sidney P. Colowick +2 more
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The stimulation of microsomal azoreduction by flavins
Biochimica et Biophysica Acta (BBA) - General Subjects, 1982The reduction of the azo dye, amaranth, by rat liver microsomes is inhibited about 90% by carbon monoxide, suggesting that the reaction largely depends on cytochrome P-450. Reducing equivalents for this reaction are supplied by NADPH. This reaction is stimulated by riboflavin, FMN and FAD, as well as by methylviologen.
Jack Peisach, Shoichi Fujita
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