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PMID |
Sentence |
1 |
1382963
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The combination of RA and IGF-I, which resulted in decreased cellular proliferation, was associated with the appearance of IGFBP-3 in the CM at levels far exceeding those seen with RA alone.
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2 |
1382963
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The effect of IGF-I on IGFBP-2 levels and the synergistic action of IGF-I and RA on IGFBP-3 levels in CM were blocked by alpha IR3, a monoclonal antibody to the human IGF-I receptor, indicating that these effects required signal transduction through the IGF-I receptor.
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3 |
1382963
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These results suggest that the action of RA and IGF-I in combination to increase IGFBP-3 protein in CM is principally translational or posttranslational.
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4 |
7512573
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In conclusion, 1) differences in GH status and modulation of GH induction of IGF-I by insulin resistance could contribute to low basal IGF-I levels and lack of a IGF-I response to fasting in patients with NIDDM; and 2) the turnover rate of IGF-I in serum, which is largely determined by IGFBP-3, is not likely to be altered by short term fasting, suggesting that the decrease in serum IGF-I concentrations is a result of decreased IGF-I production.
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5 |
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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6 |
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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7 |
7524886
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We have presently studied ternary complex formation between IGF, IGFBP-3, and acid labile subunit (ALS) to further assess if IGF-I bioavailability is increased in human fetal serum.
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8 |
7535696
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IGFBP-1 is antagonistic to the insulin-like and growth promoting effects of IGF-I, and IGFBP-3 holds IGFs in the circulation by associating with IGFs and an acid labile subunit to form a ternary complex.
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9 |
8796133
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The sum of IGF-I and IGF-II (expressed as nmol/l) correlated with IGFBP-3; r = 0.47 in controls and 0.60 in diabetics.
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10 |
14527633
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Specifically, hyperinsulinemia elevates serum concentrations of free insulin-like growth factor-1 (IGF-1) and androgens, while simultaneously reducing insulin-like growth factor-binding protein 3 (IGFBP-3) and sex hormone-binding globulin (SHBG).
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11 |
16887362
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Similar but less significant relationships were observed for IGFBP-3, whose levels were also significantly and directly correlated with those of free IGF-I.
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12 |
17011663
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Compared with diabetic patients without microalbuminuria (MA), MA diabetic patients display perturbed GH-IGF-IGFBP homeostasis, including increased circulating IGF-I and IGFBP-3 protease activity, increased excretion of bioactive GH, IGF-I, and IGFBP-3, but decreased circulating IGFBP-3 levels.
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13 |
17426090
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Administration of rhIGF-I/rhIGFBP-3 resulted in a redistribution of the amount of IGF-I and IGF-II that bound to IGFBP-3.
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14 |
17904401
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We did not find any significant association between IGF-I and glucose intolerance in this study and the association for IGFBP-3 was less clear.
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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 |
15886488
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IGFBP-3 product correlated closely with peak IGF-I level (r = 0.85; p < 0.007).
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