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dc.date.accessioned | 2019-06-11T18:53:38Z | |
dc.date.available | 2019-06-11T18:53:38Z | |
dc.date.issued | 1998 | |
dc.identifier.uri | http://sedici.unlp.edu.ar/handle/10915/76262 | |
dc.description.abstract | The possible occurrence of increased non-enzymatic glycosylation of serum insulin-like growth factor binding protein-3 (IGFBP-3) in vivo and the changes that would simultaneously occur in serum levels of IGFBP-3 and insulin-like growth factor-1 (IGF-I) were investigated. We measured levels of IGF-I and IGFBP-3 and the degree of glycation of total serum protein and IGFBP-3, in serum samples obtained from patients with poorly controlled non-insulin-dependent diabetes (type 2) and from age-matched non-diabetic controls. Type 2 diabetic patients had significantly higher glycated serum protein (GlyP) levels. GlyP significantly correlated with age in the control (r = 0.315, P<0.05) but not in the type 2 diabetes group. Control and diabetic subjects had comparable serum IGF-I levels and in both groups IGF-I levels tended to decrease with age (r = -0.567, P<0.001 and r = -0.465, P<0.05 for control and type 2 diabetic subjects, respectively). In the type 2 diabetes group, IGF-I levels showed a negative correlation with serum GlyP values (r = -0.476, P<0.05). Type 2 diabetic and control patients had comparable serum IGFBP-3 levels, which were significantly higher in diabetic patients in the older age subgroups. A negative correlation was found between IGFBP-3 levels and age in the control (r = -0.705, P<0.001) and in the type 2 diabetes groups (r = -0.463, P<0.05). A significant negative correlation was found between IGFBP-3 levels and GlyP in control (r = -0.449, P<0.002) but not in type 2 diabetic subjects. The mean glycated IGFBP-3 (GlyIGFBP-3) levels were higher in the oldest type 2 diabetic patients. In these patients, GlyIGFBP-3 was negatively associated with IGF-I levels (r = -0.447, P<0.05). The IGF-I/IGFBP-3 molar ratio was significantly reduced in the 46-60-year-old type 2 diabetic group, whereas the IGF-I/IGFBP-3 ratio was positively and significantly correlated with GlyP levels only in the control group (r = 0.489, P<0.01). Our results show that: a) increased non-enzymatic glycosylation of IGFBP-3 occurs in vivo; and b) this effect is accompanied by an increase in IGFBP-3 levels. These results suggest that the IGF-I/IGFBP-3 system is another target for the metabolic derangements of type 2 diabetes. Its alterations might play a role in diabetic complications. | en |
dc.format.extent | 85-90 | es |
dc.language | en | es |
dc.subject | Diabetes Mellitus Tipo 2 | es |
dc.subject | non-enzymatic glycosylation, insulin-like growth factor, binding proteins, chronic complications, diabetes mellitus | en |
dc.title | Relationship between non-enzymatic glycosylation and changes in serum insulin-like growth factor-1 (IGF-1) and IGF-binding protein-3 levels in patients with type 2 diabetes mellitus | en |
dc.type | Articulo | es |
sedici.identifier.other | http://hdl.handle.net/11746/4437 | |
sedici.creator.person | Cortizo, Ana María | es |
sedici.creator.person | Lee, P. D. K. | es |
sedici.creator.person | Cédola, Norberto V. | es |
sedici.creator.person | Jasper, H. | es |
sedici.creator.person | Gagliardino, Juan José | es |
sedici.subject.materias | Ciencias Médicas | es |
sedici.description.fulltext | true | es |
mods.originInfo.place | Facultad de Ciencias Médicas | es |
sedici.subtype | Articulo | es |
sedici.rights.license | Creative Commons Attribution 4.0 International (CC BY 4.0) | |
sedici.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
sedici.description.peerReview | peer-review | es |
sedici.relation.journalTitle | Acta Diabetologica | es |
sedici.relation.journalVolumeAndIssue | vol. 35 | es |