Glutathione S-transferase isoenzymes in the two-spot ladybird,Adalia bipunctata (Coleoptera: Coccinellidae)
نویسندگان
چکیده
منابع مشابه
Glutathione S-transferase isoenzymes from Streptomyces griseus.
An inducible, cytosolic glutathione S-transferase (GST) was purified from Streptomyces griseus. GST isoenzymes with pI values of 6.8 and 7.9 used standard GST substrates including 1-chloro-2,4-dinitrobenzene. GST had subunit and native M(r)s of 24 and 48, respectively, and the N-terminal sequence SMILXYWDIIRGLPAH.
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The glutathione S-transferases (GSTs) constitute a family of cytosolic isoenzymes and a structurally unrelated microsomal enzyme that is involved in the detoxication of electrophilic xenobiotics. These enzymes also participate in the intracellular binding and transport of a broad range of lipophilic compounds including bilirubin, and hormones such as the glucocorticoids and thyroid hormones. Th...
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The glutathione S-transferases (GSTs) are a family of isoenzymes involved in the detoxication of a variety of electrophilic xenobiotics. The present investigation demonstrates that GST activity and the concentration of cytosolic GSTs in cerebellar cortex of Gunn rats were increased in hyperbilirubinaemic animals compared with non-jaundiced controls. Age-dependent and region-specific increases i...
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Nonenzymatic and glutathione S-transferase (GST) catalyzed glutathione (GSH) conjugation has been postulated as a mechanism by which alkylating cytostatic drugs can be inactivated intracellularly. In this study, we describe studies on the glutathione-dependent biotransformation of thiotepa (tris(1-aziridinyl)phosphine sulfide), a trifunctional alkylating agent. 31P NMR studies showed that thiot...
متن کاملCytosolic and microsomal glutathione S-transferase isoenzymes in normal human liver and intestinal epithelium.
Glutathione S-transferases are a group of drug metabolising and detoxification enzymes. We have studied the distribution of four isoenzymes, acidic, basic, neutral, and microsomal GST in human liver, gall bladder, and small and large intestinal epithelium by immunohistochemistry. Antibodies were raised in rabbits to purified GST subunits and several formalin fixed paraffin sections of each huma...
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ژورنال
عنوان ژورنال: Archives of Insect Biochemistry and Physiology
سال: 2002
ISSN: 0739-4462,1520-6327
DOI: 10.1002/arch.10016