A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes

Type 2 diabetes mellitus (T2DM) represents a complex clinical scenario of altered energy metabolism and increased fracture incidence. The C57BL/6 mouse model of diet-induced obesity has been used to study the mechanisms by which altered glucose homeostasis affects bone mass and quality, but genetic...

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Main Authors: Elizabeth Rendina-Ruedy, Kelsey D. Hembree, Angela Sasaki, McKale R. Davis, Stan A. Lightfoot, Stephen L. Clarke, Edralin A. Lucas, Brenda J. Smith
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Nutrition and Metabolism
Online Access:http://dx.doi.org/10.1155/2015/758080
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author Elizabeth Rendina-Ruedy
Kelsey D. Hembree
Angela Sasaki
McKale R. Davis
Stan A. Lightfoot
Stephen L. Clarke
Edralin A. Lucas
Brenda J. Smith
author_facet Elizabeth Rendina-Ruedy
Kelsey D. Hembree
Angela Sasaki
McKale R. Davis
Stan A. Lightfoot
Stephen L. Clarke
Edralin A. Lucas
Brenda J. Smith
author_sort Elizabeth Rendina-Ruedy
collection DOAJ
description Type 2 diabetes mellitus (T2DM) represents a complex clinical scenario of altered energy metabolism and increased fracture incidence. The C57BL/6 mouse model of diet-induced obesity has been used to study the mechanisms by which altered glucose homeostasis affects bone mass and quality, but genetic variations in substrains of C57BL/6 may have confounded data interpretation. This study investigated the long-term metabolic and skeletal consequences of two commonly used C57BL/6 substrains to a high fat (HF) diet. Male C57BL/6J, C57BL/6N, and the negative control strain, C3H/HeJ, mice were fed a control or HF diet for 24 wks. C57BL/6N mice on a HF diet demonstrated an increase in plasma insulin and blood glucose as early as 4 wk, whereas these responses were delayed in the C57BL/6J mice. The C57BL/6N mice exhibited more severe hepatic steatosis and inflammation. Only the C57BL/6N mice lost significant trabecular bone in response to the high fat diet. The C3H/HeJ mice were protected from bone loss. The data show that C57BL/6J and C57BL/6N mice differ in their metabolic and skeletal response when fed a HF diet. These substrain differences should be considered when designing experiments and are likely to have implications on data interpretation and reproducibility.
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spelling doaj-art-d480beed32f84f32813fcb4b32624a4f2025-02-03T05:51:27ZengWileyJournal of Nutrition and Metabolism2090-07242090-07322015-01-01201510.1155/2015/758080758080A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 DiabetesElizabeth Rendina-Ruedy0Kelsey D. Hembree1Angela Sasaki2McKale R. Davis3Stan A. Lightfoot4Stephen L. Clarke5Edralin A. Lucas6Brenda J. Smith7Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USADepartment of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USADepartment of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USADepartment of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USACenter for Cancer Prevention and Drug Development, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USADepartment of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USADepartment of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USADepartment of Nutritional Sciences, Oklahoma State University, Stillwater, OK 74078, USAType 2 diabetes mellitus (T2DM) represents a complex clinical scenario of altered energy metabolism and increased fracture incidence. The C57BL/6 mouse model of diet-induced obesity has been used to study the mechanisms by which altered glucose homeostasis affects bone mass and quality, but genetic variations in substrains of C57BL/6 may have confounded data interpretation. This study investigated the long-term metabolic and skeletal consequences of two commonly used C57BL/6 substrains to a high fat (HF) diet. Male C57BL/6J, C57BL/6N, and the negative control strain, C3H/HeJ, mice were fed a control or HF diet for 24 wks. C57BL/6N mice on a HF diet demonstrated an increase in plasma insulin and blood glucose as early as 4 wk, whereas these responses were delayed in the C57BL/6J mice. The C57BL/6N mice exhibited more severe hepatic steatosis and inflammation. Only the C57BL/6N mice lost significant trabecular bone in response to the high fat diet. The C3H/HeJ mice were protected from bone loss. The data show that C57BL/6J and C57BL/6N mice differ in their metabolic and skeletal response when fed a HF diet. These substrain differences should be considered when designing experiments and are likely to have implications on data interpretation and reproducibility.http://dx.doi.org/10.1155/2015/758080
spellingShingle Elizabeth Rendina-Ruedy
Kelsey D. Hembree
Angela Sasaki
McKale R. Davis
Stan A. Lightfoot
Stephen L. Clarke
Edralin A. Lucas
Brenda J. Smith
A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes
Journal of Nutrition and Metabolism
title A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes
title_full A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes
title_fullStr A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes
title_full_unstemmed A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes
title_short A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes
title_sort comparative study of the metabolic and skeletal response of c57bl 6j and c57bl 6n mice in a diet induced model of type 2 diabetes
url http://dx.doi.org/10.1155/2015/758080
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