Results 151 to 160 of about 50,037 (190)
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Bile acids: co-mutagenic activity in the Salmonella-mammalian-microsome mutagenicity test: brief communication.

Journal of the National Cancer Institute, 1977
Of 30 bile acids tested, none was mutagenic in the Salmonella-mammalian-microsome test with indicator strains G46, TA1530, TA1535, TA1536, TA1537, TA1538, TA98, or TA100.
S. Silverman, A. W. Andrews
semanticscholar   +1 more source

Effect of storage and in vitro ischemia on the ultrastructure of microsomal membranes and on microsomal enzymes

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
openaire   +3 more sources

Modulation of microsome-mediated aflatoxin B1 binding to exogenous and endogenous DNA by cytosolic glutathione S-transferases in rat and hamster livers.

Carcinogenesis, 1984
Microsome mediated aflatoxin B1 (AFB1) binding to exogenous and endogenous DNA and its modulation by cytosolic glutathione (GSH) S-transferases have been examined in rat and hamster livers.
P. Lotlikar   +3 more
semanticscholar   +1 more source

Effect of Mangifera indica L. extract (QF808) on protein and hepatic microsome peroxidation

Phytotherapy Research, 2001
The antioxidant activities of QF808, a steam bark extract of Mangifera indica L., were studied on hydroxyl‐mediated oxidation of bovine serum albumin (BSA) and in a hepatic microsome system.
G. Martínez   +4 more
semanticscholar   +1 more source

Mitochondria and microsomes

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.
openaire   +2 more sources

[6] Preparation of microsomes with calcium

1978
Publisher 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
openaire   +3 more sources

Characteristics of b-type cytochromes in brain microsomes: Comparison with liver microsomes

Archives of Biochemistry and Biophysics, 1984
Biochemical 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
openaire   +3 more sources

Non-Enzymic Lipid Peroxidation in Microsomes and Microsomal Phospholipids Induced by Anthracyclines

Free Radical Research Communications, 1986
The 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
openaire   +3 more sources

Studies for a genotoxic potential of some endogenous and exogenous sex steroids. I. Communication: Examination for the induction of gene mutations using the ames salmonella/microsome test and the HGPRT test in V79 cells

Environmental and Molecular Mutagenesis, 1993
The mutagenicity results and data of nine progestins (cyproterone acetate, dehydrospirorenone, gestodene, gestonorone caproate, levonorgestrel, norethisterone, norethisterone acetate, norethisterone enanthate, norethynodrel), one hypothetical metabolite (
Rainer Lang, R. Reimann
semanticscholar   +1 more source

Microsomal Protein Mediates a pH-Dependent Fusion of Liposomes to Rat Brain Microsomes

Membrane Biochemistry, 1990
The 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
openaire   +4 more sources

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