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PMID |
Sentence |
1 |
7694822
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We report here that in addition to its affects on IGFBP-2, insulin is involved in the regulation of IGFBP-3 expression.
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2 |
7512496
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Expression and secretion of IGFBP-3 were hormonally responsive and strongly correlated (r = 0.79; P < 0.001), with 2- to 3-fold stimulation by added insulin or IGF-I (both P < 0.05), but not by added GH alone.
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3 |
7512573
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In the present study we have 1) assessed how differences in insulin and GH status between obese patients with noninsulin-dependent diabetes mellitus (NIDDM) and healthy obese (OB) and nonobese (NOB) subjects are associated with different responses of insulin-like growth factors (IGFs) and IGF-binding proteins (IGFBPs) to fasting, and 2) determined whether the IGF-I response to fasting in healthy subjects is secondary to changes in IGFBP-3.
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4 |
7513716
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Insulin-like growth factor-I (IGF-I) in serum is predominantly bound in a ternary complex, consisting of IGF peptide, IGF-binding protein-3 (IGFBP-3), and an acid-labile subunit, or a binary complex, consisting of IGF peptide and any of the six IGFBPs.
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5 |
7514513
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After each treatment period (4 weeks), serum profiles of GH, IGF-I, IGF binding proteins 1 and 3 (IGFBP-1 and IGFBP-3), glucose, insulin, non-esterified fatty acids (NEFA), glycerol, 3-hydroxybutyrate, alanine, lactate and glucagon were measured for 37 hours after GH injection (3 IU/m2 at 1900 hour).
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6 |
7536205
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Before insulin therapy, serum IGF-I, IGF-II, IGF-binding protein-3 (IGFBP-3), and GH-binding protein (GHBP) levels were significantly decreased, whereas IGFBP-1 and cortisol were significantly increased in diabetic children compared to those in an age-, sex-, and stage of puberty-matched control group.
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7 |
7536205
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Improvement in glycemic control, as determined by a change in hemoglobin-A1c, correlated positively with improvement in IGF-I, IGF-II, IGFBP-3, GHBP, and weight gain after 1 month of insulin therapy.
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8 |
7543110
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These results suggest an important role of insulin in the regulation of IGFBP-3 protease activity.
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9 |
7543110
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Increased IGFBP-3 proteolysis in the sera of children with IDDM may serve to counteract the catabolic state induced by insulin deficiency.
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10 |
8910817
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Increased IGFBP-3 protease activity has been shown in sera of children with IDDM as well as a decrease in this activity in response to insulin therapy.
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11 |
9388210
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Like IGFBP-7, an NH2-terminal fragment of IGFBP-3 (IGFBP-3((1-87))), also binds insulin with high affinity and blocks insulin action.
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12 |
11739083
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Insulin-like growth factor-binding protein (IGFBP)-3 contains a highly basic COOH-terminal heparin-binding region, the P3 region, which is thought to be important in the binding of IGFBP-3 to endothelial cells.
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13 |
16180585
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We have examined the basal and insulin-mediated phosphorylation of protein kinase B (PKB), protein kinase Czeta (PKCzeta), p70(S6k), mitogen-activated protein kinase (MAPK)/p90(rsk) pathway and the expression of IGFBP-3, -4, and -5 in mice selected for body weight gain (line C) and reduction (line L).
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14 |
17003344
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Marked, opposing, and independent physiological effects of IGF-I and IGFBP-3 through central mechanisms may have implications on potential strategies in specific modulation of peripheral insulin action.
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15 |
19138973
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Treating these mice with EGCG also caused an increase in the serum level of IGFBP-3 while conversely decreasing the serum levels of IGF-I, insulin, triglyceride, cholesterol, and leptin.
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16 |
19846739
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In addition, insulin increased IGFBP-2 and GH and decreased IGFBP-1 and -4 but did not alter total IGF-I, IGF-II, or IGFBP-3 levels.
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17 |
20926583
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Fasting blood glucose and insulin levels were significantly elevated in IGFBP-3(-/-) mice.
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18 |
20926583
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During hyperinsulinemic clamps, IGFBP-3(-/-) mice had increased basal hepatic glucose production, but after insulin stimulation, no differences in hepatic glucose production were observed.
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19 |
16275148
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Using the rat insulinoma RINm5F cell line, we report the first studies in insulin-secreting cells that IGFBP-3 selectively suppresses multiple, key intracellular phosphorelays.
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