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Insulin-like growth factor binding protein-1 as glucose regulator in adolescent boys with type 1 diabetes.
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- Zachrisson, I (författare)
- Karolinska Institutet
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- Dahlquist, Gisela, 1944- (författare)
- Umeå universitet,Pediatrik
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- Wallensteen, M (författare)
- Astrid Lindgren Children’s Hospital, Karolinska Hospital and Institute, Stockholm, Sweden
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- (creator_code:org_t)
- 2000
- 2000
- Engelska.
- Ingår i: Acta Paediatrica. - 0803-5253 .- 1651-2227. ; 89:9, s. 1044-9
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- The aim of the present study was to investigate whether the diurnal variability of B-Glucose is dependent on GH, IGF-I and IGFBP-1 levels, apart from insulin, and if there is any difference between Tanner stages 3 and 5. Five boys in Tanner stage 3 and 6 boys in stage 5 with type 1 diabetes were included. Blood was continuously collected from a cubital vein for 24 h. S-Insulin, S-GH, S-IGF-I and S-IGFBP-1 were analysed. B-Glucose was analysed hourly at bedside. One week before and 1 wk after the 24-h study period the participants performed self-monitoring of blood glucose (SMBG) during normal physiologic conditions. In the 24-h profile of B-Glucose, insulin, IGFBP-1 and GH, we found a significant positive correlation between B-Glucose and log IGFBP-1 (r = 0.5, p = 0.005) and an inverse correlation to insulin (r = -0.5, p = 0.004) but no correlation to logGH (r = -0.04, p = 0.831). In multiple regression analysis, B-Glucose was still significantly correlated to log IGFBP-1, when adjusting for insulin and GH, in Tanner stage 5. We found a difference between Tanner stages 3 and 5 in the variability of B-Glucose over a longer period during normal daily activity (p = 0.02), but not over the 24-h study period. CONCLUSION: We have demonstrated in type 1 diabetes adolescent boys a relationship between simultaneously measured blood-glucose and IGFBP-1 levels independent of the insulin and GH levels, suggesting that the free fraction of IGF-I influences the glucose metabolism.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
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- Pediatrics
- pediatrik
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- Wallensteen, M
- Brismar, K
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