A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats

An experimental protocol is described aiming to explore the in­fluence of Type 2 Diabetes Mellitus on the biomechanical response of the bone tissue and, also, to quantify the potential beneficial role of a pharma­ceutical treatment, based on sitagliptin, a diabetes drug that increases the levels of...

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Main Authors: Stavros K Kourkoulis, Ermioni Pasiou, Arezoo Abdi, Despoina Perrea, John Vlamis
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2020-01-01
Series:Fracture and Structural Integrity
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Online Access:https://www.fracturae.com/index.php/fis/article/view/2657
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author Stavros K Kourkoulis
Ermioni Pasiou
Arezoo Abdi
Despoina Perrea
John Vlamis
author_facet Stavros K Kourkoulis
Ermioni Pasiou
Arezoo Abdi
Despoina Perrea
John Vlamis
author_sort Stavros K Kourkoulis
collection DOAJ
description An experimental protocol is described aiming to explore the in­fluence of Type 2 Diabetes Mellitus on the biomechanical response of the bone tissue and, also, to quantify the potential beneficial role of a pharma­ceutical treatment, based on sitagliptin, a diabetes drug that increases the levels of natural substances called incretins. Twenty eight male, 10-week old Wistar rats were used, divided into three groups, i.e., the control one, the group including the diabetic rats and, finally, the group including the diabetic rats which were treated using sitagliptin. The biomechanical study was based on a series of three-point bending tests of the femora of the sacrificed rats and the analysis of the experimental data was implemented in terms of the actual geometry of the fractured cross-section. It was concluded that diabetic bones undertake larger forces despite the fact that the “diameter” of their cross-section was some­­how smaller. On the contrary, the slope of the load-deflection curve (cor­responding to a measure of the stiffness) of diabetic bones is slightly lower compared to the control bones. Finally, it seems that treating diabetic animals with sita­gliptin only partly reverses the effect of Type 2 Diabetes Mellitus on their bone tissue, at least concerning its strength and stiffness.
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spelling doaj-art-ed495fbddbfd4a4cbca5ba8bd68917d12025-01-02T23:01:35ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932020-01-01145112713510.3221/IGF-ESIS.51.102657A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic ratsStavros K Kourkoulis0Ermioni Pasiou1Arezoo AbdiDespoina PerreaJohn VlamisNational Technical University of Athens, GreeceNational Technical University of AthensAn experimental protocol is described aiming to explore the in­fluence of Type 2 Diabetes Mellitus on the biomechanical response of the bone tissue and, also, to quantify the potential beneficial role of a pharma­ceutical treatment, based on sitagliptin, a diabetes drug that increases the levels of natural substances called incretins. Twenty eight male, 10-week old Wistar rats were used, divided into three groups, i.e., the control one, the group including the diabetic rats and, finally, the group including the diabetic rats which were treated using sitagliptin. The biomechanical study was based on a series of three-point bending tests of the femora of the sacrificed rats and the analysis of the experimental data was implemented in terms of the actual geometry of the fractured cross-section. It was concluded that diabetic bones undertake larger forces despite the fact that the “diameter” of their cross-section was some­­how smaller. On the contrary, the slope of the load-deflection curve (cor­responding to a measure of the stiffness) of diabetic bones is slightly lower compared to the control bones. Finally, it seems that treating diabetic animals with sita­gliptin only partly reverses the effect of Type 2 Diabetes Mellitus on their bone tissue, at least concerning its strength and stiffness.https://www.fracturae.com/index.php/fis/article/view/2657male wistar ratstype-2 diabetessitagliptinbiomechanicsthree point bendingvideo-extensometer
spellingShingle Stavros K Kourkoulis
Ermioni Pasiou
Arezoo Abdi
Despoina Perrea
John Vlamis
A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
Fracture and Structural Integrity
male wistar rats
type-2 diabetes
sitagliptin
biomechanics
three point bending
video-extensometer
title A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
title_full A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
title_fullStr A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
title_full_unstemmed A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
title_short A biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
title_sort biomechanical study of the role of sitagliptin on the bone characteristics of diabetic rats
topic male wistar rats
type-2 diabetes
sitagliptin
biomechanics
three point bending
video-extensometer
url https://www.fracturae.com/index.php/fis/article/view/2657
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