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PMID |
Sentence |
1 |
1846101
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When H2b was added before ATP, insulin stimulated exogenous kinase activity of diabetic-derived receptors was significantly higher (approximately 50%) than control values at low H2b concentrations, but significantly lower (approximately 50%) than control values at high H2b concentrations, suggesting a decrease in the apparent Km and maximal velocity of the diabetic receptor tyrosine kinase toward H2b.
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2 |
1661694
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Insulin receptor tyrosine kinase activity solubilized from hind limb muscle of control and streptozocin-induced diabetic (STZ-D) rats (2-3 wk) was studied with the substrates histone H2B and poly glutamic acid-tyrosine (glu-tyr) (4:1).
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3 |
1661694
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When inhibition of receptor kinase activities was prevented by allowing maximal autophosphorylation of insulin receptors before addition of H2B, kinase activity of diabetic- and control-derived receptors was similar at all H2B concentrations.
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4 |
1661694
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Under conditions of substrate inhibition (0.4 mg/ml H2B), insulin receptor H2B kinase activity from muscles of rats with severe diabetes (85 mg/kg STZ, 7 days) was significantly decreased, whereas the same activity from rats with moderate diabetes (50 mg/kg STZ, 7 days) was not significantly different from control rats.
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5 |
8200291
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Insulin-stimulated tyrosine kinase activity of the receptor preparation for histone H2B phosphorylation was also significantly increased in the LGA group compared to the control. 32P-incorporation into beta-subunit IGF-1 receptor and IGF-1-stimulated tyrosine kinase activity did not show any significant differences among the three groups.
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6 |
16085563
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Higher doses of TRG were found to alter histone H3:H2B ratios with a decreased ratio in DOX-sensitive and increased ratio in DOX-resistant lines.
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