Induction of glutathione peroxidase by linoleic acid hydroperoxide in Hansenula mrakii.
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چکیده
منابع مشابه
Phospholipid hydroperoxide glutathione peroxidase activity of human glutathione transferases.
Human glutathione transferases (GSTs) from Alpha (A), Mu (M) and Theta (T) classes exhibited glutathione peroxidase activity towards phospholipid hydroperoxide. The specific activities are in the order: GST A1-1>GST T1-1>GST M1-1>GST A2-2>GST A4-4. Using a specific and sensitive HPLC method, specific activities towards the phospholipid hydroperoxide,1-palmitoyl-2-(13-hydroper oxy-cis-9, trans-1...
متن کاملConversion of Linoleic Acid Hydroperoxide to Hydroxy,
We have carried out a study of the reaction of 13Irydroperoxy-9-cis, 11-trans-octadecadienoic acid (linoleic acid hydroperoxide) with hematin. The major products are erythro-ll-hydroxy-l2,13-epoxy-S-octadecenoic acid, threo11-hydroxy12,13-epoxy-9-0~tadecenoic acid, 9,12,13-trihydroxy-lO-octadecenoic acid, 13-keto-9,ll-octadecadienoic acid, and 13-hydroxy-9,ll-octadecadienoic acid. Several minor...
متن کاملReaction of linoleic acid hydroperoxide with thiobarbituric acid.
The linoleic acid hydroperoxide obtained by enzymatic peroxidation of linoleic acid was found to react with thiobarbituric acid to yield a red pigment. The optimum pH for the reaction was found to be 4.0. In the early stages of peroxidation of linoleic acid, thiobarbituric acid value, the amount of conjugated diene, oxygen consumption, and peroxide value were in parallel with one another. The d...
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Docosahexaenoic acid (DHA; 22:6, n-3) is known to exert cytotoxic effects against various types of tumors via lipid peroxidation. Whereas several enzymes influence the response of cells to oxidative stress, only one enzyme, phospholipid hydroperoxide glutathione peroxidase (GPx-4), directly reduces lipid hydroperoxides in mammalian cells. The present study was designed to examine the involvemen...
متن کاملInduction of cellular necrosis by the glutathione peroxidase mimetic ebselen.
The selenium-based compound ebselen is a powerful antioxidant, a potent anti-inflammatory agent and a potential neuroprotective compound. Several studies have demonstrated that part of the biological effect of ebselen is the result of the inhibition of apoptosis. We show in this report that ebselen induced the necrotic cell death of Sp2/0-Ag14 hybridoma cells. This process was rapid, with over ...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1990
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.54.3289