[Establishment of chronic constraint stress animal model and its application in the study of hyperglycemia]. 2013

Bing Liang, and Xiang Zheng, and Wei-Wei Xia, and Yan Ding, and Wei Zhang, and Xue Zhou
Department of Histology, Embryology and Neurobiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu 610041, China.

OBJECTIVE To explore chronic constraint stress (CCS) animal model in the application to observe hyperglycemia by improving the method of constraint, diet food and blood glucose assay. METHODS Chronic constraint stress was performed 12 h per day on SD rats for 4 periods with 10 d per periods. The rats were fed normal diet (ND) or high fat diet (HFD) respectively, while HFD+ Streptozotocin (STZ) and HFD as control. Blood glucose was tested on the 3rd day after every bound period. Insulin, cortisone and adrenaline in serum were tested by ELISA at 3 days after the last bound period. The expressions of insulin and glucagon in pancreas were detected by immunohisto-chemical (ICH) straining. RESULTS There were 32.5% rats suffering hyperglycemia after chronic constraint stress. Compared with control group, the serum level of insulin increased significantly in CCS group. The blood glucose and serum insulin levels in the HFD-STZ and HFD group were not significantly different to those of control group (P > 0.05). HE and ICH sections showed that the pancreas volume of CCS rats increased, insulin expression in islets decreased. Insulin and glucagon expression in HFD islets decreased. Islets of STZ rats were seriously damaged and no insulin or glucagon positive cells were observed. CONCLUSIONS CCS could induce hyperglycemia, which might be used in the further study on type 2 diabetes mellitus.

UI MeSH Term Description Entries
D008297 Male Males
D012149 Restraint, Physical Use of a device for the purpose of controlling movement of all or part of the body. Splinting and casting are FRACTURE FIXATION. Immobilization, Physical,Physical Restraint,Physical Immobilization,Physical Restraints,Restraints, Physical
D003924 Diabetes Mellitus, Type 2 A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY. Diabetes Mellitus, Adult-Onset,Diabetes Mellitus, Ketosis-Resistant,Diabetes Mellitus, Maturity-Onset,Diabetes Mellitus, Non-Insulin-Dependent,Diabetes Mellitus, Slow-Onset,Diabetes Mellitus, Stable,MODY,Maturity-Onset Diabetes Mellitus,NIDDM,Diabetes Mellitus, Non Insulin Dependent,Diabetes Mellitus, Noninsulin Dependent,Diabetes Mellitus, Noninsulin-Dependent,Diabetes Mellitus, Type II,Maturity-Onset Diabetes,Noninsulin-Dependent Diabetes Mellitus,Type 2 Diabetes,Type 2 Diabetes Mellitus,Adult-Onset Diabetes Mellitus,Diabetes Mellitus, Adult Onset,Diabetes Mellitus, Ketosis Resistant,Diabetes Mellitus, Maturity Onset,Diabetes Mellitus, Slow Onset,Diabetes, Maturity-Onset,Diabetes, Type 2,Ketosis-Resistant Diabetes Mellitus,Maturity Onset Diabetes,Maturity Onset Diabetes Mellitus,Non-Insulin-Dependent Diabetes Mellitus,Noninsulin Dependent Diabetes Mellitus,Slow-Onset Diabetes Mellitus,Stable Diabetes Mellitus
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D006943 Hyperglycemia Abnormally high BLOOD GLUCOSE level. Postprandial Hyperglycemia,Hyperglycemia, Postprandial,Hyperglycemias,Hyperglycemias, Postprandial,Postprandial Hyperglycemias
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013312 Stress, Physiological The unfavorable effect of environmental factors (stressors) on the physiological functions of an organism. Prolonged unresolved physiological stress can affect HOMEOSTASIS of the organism, and may lead to damaging or pathological conditions. Biotic Stress,Metabolic Stress,Physiological Stress,Abiotic Stress,Abiotic Stress Reaction,Abiotic Stress Response,Biological Stress,Metabolic Stress Response,Physiological Stress Reaction,Physiological Stress Reactivity,Physiological Stress Response,Abiotic Stress Reactions,Abiotic Stress Responses,Abiotic Stresses,Biological Stresses,Biotic Stresses,Metabolic Stress Responses,Metabolic Stresses,Physiological Stress Reactions,Physiological Stress Responses,Physiological Stresses,Reaction, Abiotic Stress,Reactions, Abiotic Stress,Response, Abiotic Stress,Response, Metabolic Stress,Stress Reaction, Physiological,Stress Response, Metabolic,Stress Response, Physiological,Stress, Abiotic,Stress, Biological,Stress, Biotic,Stress, Metabolic
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D017207 Rats, Sprague-Dawley A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. Holtzman Rat,Rats, Holtzman,Sprague-Dawley Rat,Rats, Sprague Dawley,Holtzman Rats,Rat, Holtzman,Rat, Sprague-Dawley,Sprague Dawley Rat,Sprague Dawley Rats,Sprague-Dawley Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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