نتایج جستجو برای: peroxide isozyme
تعداد نتایج: 36051 فیلتر نتایج به سال:
This laboratory has recently reported that, in a reconstituted enzyme system containing alcohol-induced isozyme 3a of liver microsomal cytochrome P-450, the sum of acetaldehyde generated by the monooxygenation of ethanol and of hydrogen peroxide produced by the NADPH oxidase activity is inadequate to account for the O2 and NADPH consumed. Studies on the stoichiometry have revealed the occurrenc...
Isoelectrofocusing studies of mouse tissue extracts show mice to have a pyruvate kinase isozyme pattern very similar to that of the rat. Moreover, electrofocusing or kinetic assays conducted on liver extracts from normal mice and from mice bearing Ehrlich ascites tumors show that the latter have a higher proportion of the fetal K-isozyme of pyruvate kinase. Serial injection of the supernatant r...
the present study was aimed at the development of a somoclonal variant and isozyme marker for phyllanthus amarus schum & thonn using inter-nodal segments and the enzyme peroxidase. maximum callus proliferation was obtained on murashige and skoog’s medium supplemented (ms) with 1.0 mg/l of 2,4-dichlorophenoxyacetic acid. three weeks-old pale yellowish white semi-friable callus was used for o...
background: withania somnifera l. dunal, (ashwagandha) belongs to the family solanaceae and is known as ‘indian ginseng’ in the traditional system of medicine. objectives: in the present investigation, comparative analysis was carried out between two different ecotypes of w. somnifera related to total soluble protein and antioxidant enzyme activity [catalase (cat), superoxide dismutase (sod) an...
chamomile serves as one of the most important medicinal plants. the most known secondary metabolites in chamomile species are volatile oils of triponoides, poly stilens, flavonoids and phenolic cafeic acid (krori). these metabolites have wide variety of applications thanks to having medicinal properties of anti-inflammation, antispasmodic and bactericide activity. also it is used to cure liver ...
Creatine kinase activity is associated with different isozyme species. We have examined two of these: the cytoplasmic brain (B) isozyme that is expressed in many tissues and is reported to be induced by estrogen and the developmentally regulated cytoplasmic muscle (M) isozyme that is found predominantly in differentiated muscle tissue. Recently, we cloned and sequenced the cDNA for the M isoenz...
The cytosolic aldehyde dehydrogenase (ALDH) isozyme from cyclophosphamide (CPA) resistant L1210 cells (L1210/CPA) was purified to apparent homogeneity using ternary enzyme complex-dye ligand chromatography. The purified isozyme migrates as a single band at Mr 51,000 in sodium dodecyl sulfate polyacrylamide gel electrophoresis and as a single charge species at isoelectric point = 5.8 in isoelect...
Isosafrole serves as an excellent inducing agent in rabbits for Wq, the same isozyme as that which is induced by 3-methylcholanthrene and 5,6-benzoflavone. Since the isosafrole adduct formed with isozyme 4 is unstable, the uncomplexed cytochrome may be purified in very good yield (over 30%, based on total P-450) from liver microsomes of animals given this agent. Isosafrole forms adducts with bo...
Vertebrates have acidic and basic isozymes of adenylosuccinate synthetase, which participate in the first committed step of de novo AMP biosynthesis and/or the purine nucleotide cycle. These isozymes differ in their kinetic properties and N-leader sequences, and their regulation may vary with tissue type. Recombinant acidic and basic synthetases from mouse, in the presence of active site ligand...
Chronic stimulation of a predominantly fast skeletal muscle enhanced the expression of type I (slow muscle) Ca-ATPase and suppressed the expression of the type II (fast muscle) Ca-ATPase. Monoclonal antibodies IID8 and IIH11 against type I (slow) and type II (fast) isozymes respectively, were used to type the Ca-ATPases of the isolated SR (sarcoplasmic reticulum) by Western blots, and the Ca-AT...
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