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1.
Chinese Journal of Applied Physiology ; (6): 150-154, 2019.
Artigo em Chinês | WPRIM | ID: wpr-776543

RESUMO

OBJECTIVE@#To investigate the effects of aerobic exercise and glutamine (Gln) on anti-oxidative stress and inflammatory factors in type 2 diabetes mellitus (T2MD) rats.@*METHODS@#Diabetic rat model was induced by streptozotocin (STZ). Fifty 6-week old male SD rats were randomly divided into 5 groups (n=10), including quiet control group (N), diabetes control group (D), diabetic aerobic exercise group (DE), diabetic glutamine group (DG) and diabetic aerobic exercise glutamine group (DEG). After 6 weeks, the related indicators of glucose and lipid metabolism, anti-oxidative stress and inflammatory factors in diabetic rats were detected, and the possible mechanism affecting inflammatory response were explored.@*RESULTS@#Compared with group N, the levels of serum malondialdehyde(MDA), blood glucose, total cholesterol(TC), triglyceride(TG), insulin, leptin and tumor necrosis factor-α(TNF-α) in group D were increased significantly (P<0.01). Compared with group D, serum levels of MDA, blood glucose, TC, TG, insulin, leptin and TNF-α in three intervention groups were decreased significantly, while the levels of SOD, GSH-Px and adiponectin were increased, and the combined effect was more obvious (P<0.01).@*CONCLUSION@#Both aerobic exercise and Gln can relieve the glucose and lipid metabolism and disturbance, oxidative stress injury and inflammation in diabetic rats.


Assuntos
Animais , Masculino , Ratos , Glicemia , Diabetes Mellitus Experimental , Diabetes Mellitus Tipo 2 , Terapêutica , Glutamina , Farmacologia , Leptina , Sangue , Metabolismo dos Lipídeos , Lipídeos , Sangue , Malondialdeído , Sangue , Estresse Oxidativo , Condicionamento Físico Animal , Distribuição Aleatória , Ratos Sprague-Dawley
2.
Chinese Journal of Applied Physiology ; (6): 411-413, 2015.
Artigo em Chinês | WPRIM | ID: wpr-255001

RESUMO

<p><b>OBJECTIVE</b>To study the effect of melatonin on the gastrointestinal motility and plasma levels of the stress hormone in overtraining rats.</p><p><b>METHOD</b>Thirty adult SD rats were randomly divided into three groups (n = 10): control group, over-training group, melatonin intervention group. 30 min before each training, rats in the control and over-training groups were fed with normal saline (15 mg/kg) once a day and 5 times per week, while rats in the melatonin intervention group were administrated with melatonin, perfusion in the intervention group (15 mg/kg). Excessive training group and melatonin intervention group rats were subjected to excessive training at 5 times a week for 6 weeks. After 6 weeks, the gastric emptying rate, small intestinal propulsion ratio and levels of plasma motilin (MTL) and calcitonin gene-related peptide (CGRP), cortisol (CORT) and catecholamines (CA) were observed in all groups.</p><p><b>RESULTS</b>Compared with the control group, the gastric emptying rate, small intestinal propulsion ratio and levels of plasma MTL, CORT and CA were increased significantly (P < 0.01) while the content of CGRP was reduced (P < 0.01) in over-training group. After treated with melatonin, this trend was reversed, that was, the gastric emptying rate, small intestinal propulsion ratio and levels of plasma MTL, CORT and CA were surpressed significantly (P < 0.01) while the content of CGRP was improved obviously (P < 0.01) in over-training group.</p><p><b>CONCLUSION</b>Melatonin plays an important role in protecting gastrointestinal tract from dysfunction, in which MTL, CGRP, CORT and CA are all involved.</p>


Assuntos
Animais , Ratos , Peptídeo Relacionado com Gene de Calcitonina , Sangue , Catecolaminas , Sangue , Fadiga , Motilidade Gastrointestinal , Hidrocortisona , Sangue , Melatonina , Farmacologia , Motilina , Sangue , Condicionamento Físico Animal , Ratos Sprague-Dawley , Estresse Fisiológico
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