scholarly journals The Effect of 16 weeks of intense endurance training on right ventricle structure in male Wistar rats

2021 ◽  
Vol 14 (1) ◽  
pp. 95-107
Author(s):  
hossein barzegari marvast ◽  
siroos choobineh ◽  
rahman soori ◽  
ali akbarnejad
2019 ◽  
Vol 46 (2) ◽  
pp. 2513-2521
Author(s):  
Zahra Hemati Farsani ◽  
Ebrahim Banitalebi ◽  
Mohammad Faramarzi ◽  
Amin Bigham-Sadegh

2017 ◽  
Vol 2 (3) ◽  
pp. 151-156
Author(s):  
Maryam Barahooee Khajeahmad ◽  
Mehdi Mogharnasi ◽  
Abbas Salehikia ◽  
Mohsen Foadoddini ◽  
Javad Bayat

Author(s):  
Hossein Heidari ◽  
Mohammad Ali Azarbayjani ◽  
Maghsoud Peeri ◽  
Parvin Farzanegi ◽  
Seyed Ali Hosseini

Objective: Exercise and herbal medicine Berberine are known as anti-inflammatory agents. This study aimed to evaluate the effect of 4-weeks of endurance training and Berberine Chloride (BC) consumption on inflammatory factors and glycemic index in male wistar diabetic rats. Materials and Methods: In an experimental trial, 36 male wistar rats divided into 6 groups of 6 rats including 1) control, 2) 15 mg/kg BC, 3) 30 mg/kg BC, 4) endurance training, 5) endurance training with 15 mg/kg BC and 6) endurance training with 30 mg/kg of BC. During 4 weeks, rats in groups 2, 3, 5, and 6 received BC by gavage at specified doses, and rats in groups 4- 6 also ran on the treadmill at speeds of 10-15 m/min for 10-30 minutes. For statistical analysis of data-independent sample T-test, two-way ANOVA were used (P-value= 0.05). Results: Training and BC significantly increased function of pancreatic beta cells and reduced FBS, TNF-α, and IL- 6 (P-value= 0.001); Training significantly increased VO2max and insulin; interaction of training and BC on an increase of VO2max and reduction of TNF-α were significant (P-value= 0.001) and 30 mg/kg BC reduced TNF-α and FBS much more than 15 mg/kg BC (P-value= 0.001). Conclusion: It appears that Endurance training and BC can decrease glycemic index and inflammatory markers of diabetes and the effects of BC is dose-dependent, so that the 30 mg/kg BC is more effective rather than the 15 mg/kg BC.


2016 ◽  
Vol 19 (2) ◽  
pp. 234-243 ◽  
Author(s):  
Mohammadreza kordi ◽  
Farzaneh Maleki ◽  
AliAsghar Ravasi ◽  
Sadegh Satarifard ◽  
◽  
...  

2021 ◽  
Author(s):  
Masume Kazemi Pordanjani ◽  
Ebrahim Banitalebi ◽  
Mehrdad Roghani ◽  
Roohullah Hemmati

Abstract Background Ursolic acid (UA) mediates the vasorelaxant activity via nitric oxide (NO) release, and up-regulation of eNOS in endothelial cells in disease conditions with increased oxidative stress. The present study aimed to reflect on the impact of eight weeks of a combination of ursolic acid (UA) supplementation and resistance/endurance training in old male Wistar rats having high-fat diet and/or low-dose streptozotocin-induced type 2 diabetes (HFD/STZ-induced T2D), with an emphasis on sirtuin 1 (SIRT1)-endothelial nitric oxide synthase (eNOS) axis and oxidative stress (OS) indices in their aortic tissues. Methods A total number of 56 21-month-old male Wistar rats with HFD/STZ-induced T2Dwere randomized into seven groups (n = eight animals per group): (1) sedentary old non-diabetic (C); (2) sedentary HFD/STZ-induced T2D (D); (3) sedentary HFD/STZ-induced T2D plus UA (UA) (DU); (4) endurance-trained HFD/STZ-induced T2D (DE); (5) resistance-trained HFD/STZ-induced T2D (DR); (6) endurance-trained HFD/STZ-induced T2D plus UA (DEU); and (7) resistance-trained STZ-diabetic plus UA (DRU) rats. Results The study results established no significant interaction between the UA supplementation and the resistance/endurance training with regard to the levels of glucose (p = 0.534), insulin (p = 0.327), high-density lipoprotein cholesterol (HDL-c) (p = 0.960), cholesterol (p = 0.107), SIRT1 (p = 0.640), and eNOS (p = 0.151). However, the resistance/endurance training plus the UA consumption could partially reverse the levels of malondialdehyde (MDA) (p = 0.001), nitric oxide (NO) (p = 0.009), as well as total antioxidant capacity (TAC) (p = 0.016). Conclusions In general, the UA supplementation combined with the resistance/endurance training did not affect vascular aging biomarkers. To develop novel practical nutritional strategies involving UA intake, further studies are thus needed to clarify how chronic consumption of UA with/without resistance/endurance training reverses vascular aging process in old male Wistar rats with HFD/STZ-induced T2D.


2020 ◽  
Vol 22 (2) ◽  
Author(s):  
Ali Gorzi ◽  
Mozhgan Asadi

Background: Strenuous endurance training compromises the antioxidant defenses of the body and attempts to find supplements to heal gastric ulcers induced by strenuous endurance training are increasing. Objectives: Therefore, the current study aimed at investigating the effects of curcumin supplementation during nine weeks of endurance training on gastric antioxidant capacity (superoxide dismutase; SOD) and lipid peroxidation (malondialdehyde; MDA) of serum in male Wistar rats. Methods: The current applied research was conducted on 26 male Wistar rats aged nine weeks and weighed 215.87 ± 20.49 g. After one week of acclimation to training, the rats were randomly assigned to four groups: the control, curcumin, endurance, and endurance + curcumin. During the nine weeks (five sessions per week), the rats performed an incremental endurance training (up to 70 minutes at 35 m/minute), and the curcumin supplement at 30 mg/kg of body weight was injected intraperitoneally three times per week. SOD activity was assayed by the spectrophotometric method, and serum MDA level was measured utilizing the thiobarbituric acid reactive substances. For data analysis, ANOVA was employed using SPSS version 24. Results: The results of the study revealed that strenuous endurance training significantly reduced the activity of the gastric SOD enzyme (P < 0.05) and increased serum MDA level (P < 0.05), while curcumin supplementation increased gastric SOD enzyme activity, decreased serum MDA level, and resulted in the restoration of antioxidant defenses. Conclusions: Prolonged strenuous endurance training induces oxidative stress to gastric tissue, and curcumin supplementation restores the antioxidant defense of the gastric tissue and body.


Author(s):  
I. Stachura ◽  
M. Pardo ◽  
J. Costello ◽  
D.M. Landwehr

Under experimental conditions severe reduction of renal mass results in the hyperfiltration of the remaining nephrons leading to a progressive renal insufficiency. Similar changes are observed in patients with various renal disorders associated with a loss of the functioning nephrons. The progression of renal damage is accelerated by high protein and phosphate intake, and may be modified by the dietary restrictions.We studied 50 five-sixth nephrectarrized male Wistar rats on a standard diet (Rodent Laboratory Chow 5001 Ralston Purina Co., Richmond, Indiana; containing 23.4% protein) over a 20 week period.


2006 ◽  
Vol 76 (5) ◽  
pp. 324-331 ◽  
Author(s):  
Marsh ◽  
Laursen ◽  
Coombes

Erythrocytes transport oxygen to tissues and exercise-induced oxidative stress increases erythrocyte damage and turnover. Increased use of antioxidant supplements may alter protective erythrocyte antioxidant mechanisms during training. Aim of study: To examine the effects of antioxidant supplementation (α-lipoic acid and α-tocopherol) and/or endurance training on the antioxidant defenses of erythrocytes. Methods: Young male Wistar rats were assigned to (1) sedentary; (2) sedentary and antioxidant-supplemented; (3) endurance-trained; or (4) endurance-trained and antioxidant-supplemented groups for 14 weeks. Erythrocyte superoxide dismutase (SOD), glutathione peroxidase (GPX), and catalase (CAT) activities, and plasma malondialdehyde (MDA) were then measured. Results: Antioxidant supplementation had no significant effect (p > 0.05) on activities of antioxidant enzymes in sedentary animals. Similarly, endurance training alone also had no effect (p > 0.05). GPX (125.9 ± 2.8 vs. 121.5 ± 3.0 U.gHb–1, p < 0.05) and CAT (6.1 ± 0.2 vs. 5.6 ± 0.2 U.mgHb–1, p < 0.05) activities were increased in supplemented trained animals compared to non-supplemented sedentary animals whereas SOD (61.8 ± 4.3 vs. 52.0 ± 5.2 U.mgHb–1, p < 0.05) activity was decreased. Plasma MDA was not different among groups (p > 0.05). Conclusions: In a rat model, the combination of exercise training and antioxidant supplementation increased antioxidant enzyme activities (GPX, CAT) compared with each individual intervention.


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