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igf-i igf-i bioactivity bioactivity level igfbp growth group igf-i immunoassays serum higfbp igf-i levels study immunoassay igf-i kira factor protein assay effect insulin-like hormone figure receptor value subject gh secretion sample binding system trend insulin model survival women kidney measurement mortality liver endocrinology higfbp -1/ghra group table secretion relationship placebo experiment growth hormone mortality rate administration -1/ghra baseline igf-ir increase endocrinol primer 0.6 1.0 expression research diabetes igf-i system result igf-i cia 0.7 insulin-like growth factors igf-i bioactivity levels group 1 vs age 55 years correlation serum samples 1.2 1.1 0.8 2-3 0.9 higfbp -1/ghra method risk profile igf-i measurements quartile parameter 1.3
3 Most Recent Publications
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Low Circulating IGF-I Bioactivity in Elderly Men is associated with Increased Mortality
(Article)
Brugts, M.P. Beld, A.W. van den Hofland, L.J. Wansem, K. van der Koetsveld, P.M. van Frystyk, J. Lamberts, S.W.J. Janssen, J.A.M.J.L. |
2008-07-01
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Normal Values of Circulating IGF-I Bioactivity in the Healthy Population: Comparison with five widely used IGF-I immunoassays
(Article)
Brugts, M.P. Ranke, M.B. Hofland, L.J. Wansem, K. van der Weber, K. Frystyk, J. Lamberts, S.W.J. Janssen, J.A.M.J.L. |
2008-07-01
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Administration of human insulin-like growth factor-binding protein-1 increases circulating levels of growth hormone in mice.
(Article)
Cingel-Ristic, V. Neck, J.W. van Frystyk, J. Drop, S.L.S. Flyvbjerg, A. |
2004-09-01
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