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PMID |
Sentence |
1 |
6213639
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To test the effectiveness of SOD against streptozotocin in vitro, canine islets were incubated 10 min with or without streptozotocin (0.1 mg/ml) with 4 mM glucose; their functional integrity was tested subsequently as the insulin secretory response to 28 mM glucose.
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2 |
7049672
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The current study was undertaken to determine if superoxide dismutase (SOD), the enzyme that converts superoxide to hydrogen peroxide, is altered in the mucosa of the alimentary tract and renal cortex of the diabetic rat, and if so, whether SOD responds to insulin treatment.
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3 |
7049672
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The level of Mn-SOD was not affected by diabetes or insulin treatment, but the cyanide-sensitive [copper- and zinc containing SOD (Cu-Zn SOD] SOD was depressed in the small intestine and colon of diabetic rats.
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4 |
7049672
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Insulin treatment restored total and Cu-Zn SOD activity in the small intestine to normal and increased Cu-Zn SOD activity in the colon to normal.
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5 |
3905479
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Exogenous copper-zinc superoxide dismutase reproducibly protected the morphological features of pancreatic beta cells against damage by alloxan as determined by light microscopic immunostaining for insulin and by ultrastructural examination.
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6 |
11165687
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The activity of superoxide dismutase, catalase and glutathione peroxidase and the level of insulin were decreased by 46% (from 1367+/-73 to 737+/-59 U/g Hb, P<0.001), 36% (from 2.3+/-0.3 to 1.4+/-0.1 U Bergmayera/g Hb, P<0.001), 31% (from 236+/-19 to 163+/-24 U/g Hb, P<0.001) and 91% (from 47.5+/-1.7 to 2.4+/-0.5 mU/l, P<0.001) respectively in rats treated with streptozotocin.
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7 |
16682803
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However, insulin increased SOD activity but not its expression.
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8 |
19497592
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Serum ET-1 level averaged 1.09 (0.48) pg/mL and correlated positively with glucose handling-associated parameters (insulin, r = 0.22; HOMA, r = 0.21; HbA(1c), r = 0.23; all Ps < .05) and negatively with constituents of antioxidative protection system (FRAP, r = -0.45; SOD, r = -0.47; both Ps < .0001; vitamin C, r = -0.27; P < or = .01).
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9 |
20586612
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Knockout of SOD1 downregulated the foxhead box A2/pancreatic and duodenal homeobox 1 pathway in a superoxide-dependent fashion at epigenetic, mRNA, and protein levels in islets, but improved insulin signaling in liver and muscle.
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10 |
20618069
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Although knockouts of Gpx1 and Sod1 each alone or together decreased pancreatic ? cell mass and plasma insulin concentrations, these knockouts improved body insulin sensitivity to different extents.
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11 |
20384568
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We used the superoxide dismutase mimetic, tempol (1 mM), to determine if reactive oxygen species (ROS) contribute to Ang II-mediated insulin resistance.
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