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Showing 28 results for Exercise

N Shamsaei, N Aboutaleb, S Erfani, M Khaksari,
Volume 15, Issue 3 (10-2015)
Abstract

  Background & objectives: Brain ischemia leads to irreversible functional and structural damage in various regions of the brain, especially in the hippocampus. There is an evidence indicating the physical exercise has neuroprotective effects and may decrease the cerebral ischemia/ reperfusion injury in rats. The purpose of this study was the study of the effect of exercise preconditioning on memory deficits and neuronal cell death in CA3 pyramidal cells of the rat hippocampus following transient global ischemia.

  Methods: 21 male rats weighing 260-300g were randomly selected and allocated into three groups (sham, ischemia and exercise+ischemia). The rats in exercise group were trained to run on a treadmill 5 days a week for 4 weeks. Ischemia induced by occlusion both common carotid arteries (CCA) for 20 minutes. The passive avoidance memory test using a Shuttle box used to assess the impairment of memory. The amount of cell death was measured using cresyl violet staining method.

  Results: The results showed that cerebral ischemia is associated with memory impairment, and physical activity before ischemia improves ischemia-induced memory impairments significantly (p<0.05). In addition, ischemia leads to cell death in hippocampal CA3 area neurons and exercise also reduces ischemia-induced cell death significantly (p<0.05).

  Conclusion: This study showed that exercise, when is used as a preconditioning stimulant , has a neuroprotective effects against brain ischemia.


Asghar Mahmoudi, Marefat Siauhkouhian , Manoucher Iranparvar, Hasan Anari, Farnaz Seifi,
Volume 17, Issue 4 (1-2017)
Abstract

Background & objectives: Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in the world which is associated with cardiovascular disease. The aim of this study was to investigate the plasma changes of chemerin and pentraxin-3 (PTX3) following 8 weeks of endurance training in men with NAFLD.
Methods: In this quasi-experimental Study, thirty four patients with NAFLD were selected purposefully. The participants were randomly divided into two groups, endurance training group (n=17) and control group (n=17). The endurance training program included eight weeks running on a treadmill with maximum heart rate (HRmax) intensity of 55-75% for 45 minutes three times a week. Seventy two hours before the beginning of the study and at the end of the eighth week, blood samples were taken from all the participants. The data were analyzed by paired sample t-test and independent t-test at the significant level p<0.05.
Results: Plasma levels of chemerin in the endurance training group significantly decreased (p=0.013). Also, there was a significant difference between the two groups after the end of the intervention (p=0.002). Plasma levels of PTX3 increased significantly in the endurance training group (p=0.001). There was also a significant difference between two groups after the end of the intervention (p=0.01).
Conclusion: The present study showed that the 8-week endurance training increased the plasma levels of PTX3 and decreased the plasma levels of chemerin in men with NAFLD. Endurance training, possibly through various mechanisms, reduces the inflammatory factors and increases the anti-inflammatory factors in men with NAFLD. Endurance training, probably by activation of lipolysis, over-regulation of unpaired protein-1 and activator receptors of peroxisomes proliferation-, changes in adipocytokines, etc. decreases charmicin and increases PTX3 levels of plasma in men with NAFLD.
 
Farnaz Seyfi Askshahr, Mojdeh Khajehlandi,
Volume 19, Issue 3 (10-2019)
Abstract

Background & objectives: Recently it has been shown that some adipose tissue-derived hormones, such as apelin and omentin, can be effective in regulating metabolic metabolism. So the aim of the current study was to examine the effect of 12-weeks Pilates’ body training on serum levels of apelin and omentin-1 in inactive and overweight women.
Methods: This is a pre-test and post-test clinical trial study in which 28 volunteer overweight women with average BMI of 27.2±1.1 kg/m2 participated. They were randomly divided into training group (n=14) and control group (n=14). Pilates exercise training was performed 3 sessions per week, 60 min per session for 12 weeks. In order to measure the changes in serum levels of apelin and omentine-1, blood samples were taken after 12-14 hours at fasting status in two steps, 48 hours before the first training session and 48 hours after the last training session. The paired t-test and the ANCOVA test were used to examine intra-group and inter-group differences, respectively.
Results: Based on the findings of this study, 12 weeks of Pilates training had a significant decrease in apelin serum levels in both intra-group and inter-group with significance level of (p=0.001) and (p=0.009) respectively. Serum levels of omentin-1 also changed significantly in both intra-group and inter-group. The serum levels of omentin-1 in the exercise group significantly increased after 12 weeks compared to pre-training with significance level of (p=0.002) and in comparison with the control group with significance level of (p=0.003).
Conclusion: Regarding to the results of the current study and the positive effect of Pilates exercise on adipokines levels, it seems that Pilates exercise can be a functional factor for regulating adipose tissue hormones (adipokines) in obese or overweight women, and overweight people can do Pilates exercise  based on their ability.
 
Lale Naderi , Allahyar Arabmomeni,
Volume 19, Issue 3 (10-2019)
Abstract

 
Background & objectives: Due to the prevalence of obesity and the subsequent development of metabolic risk factors, cardiovascular and fatty liver complications, exercise programs and the use of natural supplements can play a significant role in controlling and preventing these diseases. Therefore, the purpose of this study was to review the effect of eight weeks of combined exercise and Chlorogenic acid intake on C-reactive protein and liver enzymes in obese women.
Methods: In this quasi-experimental study, which was performed as a pre-test, post-test with a control group, a total of 48 obese women were selected purposefully and divided randomly into four equal groups (n=12); exercise, supplement, exercise+supplementation and control group. The exercises program consisted of 8 weeks of aerobic and resistance training, 3 sessions with 60 minutes per week. The chlorogenic acid supplement group received daily Green coffee in capsule form contain 400 mg powder for 8 weeks and the concurrent group performed exercise and received Green coffee simultaneously. By using blood sampling the variables were measured at baseline and after 8 weeks of intervention. Data were analyzed by t-test and ANOVA at significance level of p<0.05.
Results: Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in the supplement group were the lowest and in the exercise+supplementation group had the highest decrease and there was no significant difference in the control group. The C-reactive protein (CRP) in the training+supplementation group was significantly decreased and in the three experimental groups there was a significant difference compared to the control group (p0.05).
Conclusion: It seems that combined exercise and natural substances rich in chlorogenic acid can decrease inflammatory factors such as C-reactive protein and liver enzymes.
 
Hasan Delroz, Ahmad Abdi, Dr Alireza Barari, Parvin Farzanegi,
Volume 19, Issue 3 (10-2019)
Abstract

 
Background & objectives: Non-alcoholic fatty liver disease (NAFLD) is associated with mitochondrial dysfunction. The aim of the present study was to examine the effect of aerobic training along with resveratrol on cardiac expression of OPA1 and DRP1 in NAFLD male rats.
Methods: In this experimental study, forty eight male Wistar rats were classified into two groups: NAFLD (n=40) and Control-Normal (CN), (n=8). NAFLD was induced in rats with high fat diet and then subdivided into five subgroups, including patient (NAFLD), sham (SHAM), exercise-patient (TRNAF), supplement-patient (SUPNAF) and exercise-supplement-patient (TRSUPNAF). Training groups performed a running program on a motor-driven treadmill for eight weeks. Resveratrol (20 mg/kg) was injected into the SUPNAF and TRSUPNAF groups. Forty eight hours after the last training session, rats were anesthetized; hearts were excised and immediately frozen in liquid nitrogen and stored at -80°C for measuring the indexes. Statistical analysis was performed using a one way analysis of variance, and Statistical significance was accepted at p≤ 0.05.
Result: The results indicated that the induction of NAFLD decreased OPA1 expression (p=0.001) and increased DRP1 expression (p=0.001) compared to CN. Also, in SUPNAFLD and TRSUPNAF groups, OPA1 (p=0.014 and p=0.001 respectively) increased and DRP1 (p=0.043 and p=0.007 respectively) decreased significantly compared to the NAFLD group.
Conclusion: It seems that exercise training and resveratrol alone or in combination by increasing OPA1 and decreasing DRP1 myocytes modulates heart damage in NAFLD patients.
 
Mehdi Amini, Ahmad Abdi, Asieh Abbassi Daloii ,
Volume 20, Issue 1 (4-2020)
Abstract

 
Background & objectives: Lipocalin family proteins, have been identified as adipokines associated with obesity, type 2 diabetes (T2D) and the metabolic syndrome. Exercise training and active compounds of plants have potency as antidiabetic that can be used for treating T2D. We have evaluated the effect of exercise training and Momordica chianti L. on Retinol binding protein-4(RBP4), Fatty acid binding proteins-4 (FABP4) and Lipocalin-2 (LCN2) in Men with T2D.
Methods: In this clinical trial study, 36 T2D men in Tehran were selected and randomly divided into four groups (control, M. charantia, training and M. charantia+training). The training groups participated in a progressive aerobic training for eight weeks, three sessions per week (40% to 70% of the reserved heart rate for 15 to 45 min). The groups of M. charantia and M. charantia+training received 2000 mg of M. charantia for eight weeks (twice a day before breakfast and dinner). Two days before and after the protocol, blood samples were taken in fasting state. Data were analyzed using Independent t test and ANOVA at p<0.05.
Results: The results showed that the RBP4, FABP4 and LCN2 decreased significantly in the experimental groups (p<0.0001). Also, RBP4, FABP4 and LCN2 levels were significantly decreased in  the M. charantia+ training group compared to training and M. charantia groups (p<0.05).
Conclusions: Aerobic training and M. charantia may decrease inflammation in T2D patients by decreasing lipocalins. Furthermore, aerobic training along with M. charantia had a better effect. 
Solmaz Babaei Bonab ,
Volume 20, Issue 2 (7-2020)
Abstract

 
Background & objectives: Leptin and galanin are hormones involved in appetite and energy balance that play an important role in metabolism regulation and energy balance. The aim of this study was to evaluate the 12 weeks of intense intermittent exercise (HIIT) and curcumin consumption effect on leptin and galanin levels on inactive obese women.
Methods: 30 obese women were randomly selected from 85 women referring to sports clubs in  the Urmia city with an age range of 30-35 years in the form of a quasi-experimental design with pre-test and post-test and were divided into two groups of 15 Individual HIIT-Placebo and HIIT-Curcumin. The preparation period lasted for three weeks and HIIT training for nine weeks (4 sessions per week). Blood samples were taken in two stages before and 48 hours after the last training session in the follicular phase. Serum leptin and galanin were measured by ELISA. Statistical analysis was performed using the Shapiro-Wilk test and analysis of covariance. Significance level was considered 0.05 and data were analyzed using SPSS software version 20.
Results: The results of statistical analysis showed that 12 weeks of HIIT training reduced leptin (p<0.05), galanin (p<0.05), body mass index (p<0.05), and weight (p<0.05) was significantly higher in the HIIT-Curcumin group than in the HIIT-Placebo group.
Conclusion: The results showed that HIIT training combined with curcumin consumption as a non- invasive method can have a positive effect on reducing leptin and galanin levels and obesity-related factors.
Mr. Ahmad Fazeli Sani, Dr. Hasan Matin Homaee, Dr. Abdolali Banaeifar,
Volume 20, Issue 3 (10-2020)
Abstract

Background & objectives: Mitochondrial dysfunction is one of the main risk factors for neurological diseases which are associated with aging. On the other hand, aerobic exercise has beneficial effects on the brain health and cognitive function, and also improves mitochondrial dynamics. Therefore, the aim of the present study was to investigate the effect of 4 weeks of aerobic exercise on spatial learning, memory performance and mitochondrial dynamics in the hippocampal tissue of old rats.
Methods: For this purpose, 14 male Wistar rats at 20 months of age were randomly divided into 2 groups: aerobic exercise (n=7) and control group (n=7). The exercise group performed 4 weeks of treadmill training (5 days per week at a speed of 10 to 15 m/min). Forty-eight hours after the last training session, the animals underwent behavioral tests. Twenty-four hours after the behavioral test, all rats were killed and hippocampal tissue was extracted. The mRNA expression of OPA1, Mfn2 and Drp1 genes were assayed using Real Time-PCR. The Independent t test was used for statistical analysis.
Conclusion: Aerobic exercise in old animals improved spatial learning and memory performance, increased hippocampal OPA1 gene expression, and decreased Drp1 gene expression compared to the control group (p≤0.01).
Conclusion: It seems that aerobic exercise can improve the function of brain mitochondria by modulating fusion and fission processes and it can be considered as an effective non-pharmacological method to deal with aging-related learning and memory perturbations.
Solmaz Babaei Bonab ,
Volume 20, Issue 3 (10-2020)
Abstract

 
Background & objectives: Physical activity is one of the several factors which stimulate the secretion of growth and nerve growth factors in patients with Multiple Sclerosis (MS). Therefore, the aim of this study was to evaluate the effect of 12 weeks of Pilates training and ginger consumption on serum level of BDNF and TNF-α in women with MS.
Methods: Forty women with MS were randomly selected from 85 women referred to the Welfare Office of Urmia city, in Iran, with the age range of 30-35 in the form of a pre-test and post-test quasi-experimental study design. Participants were divided into four groups including: exercise+ supplement, exercise+ placebo, ginger supplement and control group with 10 individuals in each group. The intervention groups performed Pilates exercises for 12 weeks, 3 sessions of 60 minutes every week, and the supplement groups took three ginger capsules of one gram daily. In order to analyze the data, analysis of covariance was done using SPSS-22 software.
Results: The results showed that ginger consumption combined with physical exercises increases BDNF in the intervention groups compared to the control groups, but this increase is more significant in the exercise+supplement group (p<0.05) than other groups. Also, the results showed that TNF-α level has a significant decrease in the intervention group compared to the control group (p<0.05).
Conclusion: The results showed that ginger consumption as a non-invasive method can have a positive effect on increasing BDNF level and decreasing TNF-α level in women with MS.
Mozhgan Sahraei, Ahmad Abdi, Hamed Jalal,
Volume 20, Issue 3 (10-2020)
Abstract

 
Background & objectives: The increased incidence of metabolic diseases (e.g., diabetes and obesity) has seriously affected human health and life safety worldwide. It is of great significance to find effective drugs from natural compounds and exercise to treat metabolic diseases. The aim of this study was to evaluate the effect of berberine chloride with aerobic training on Liver Gene Expression Nrf2, HO-1 and PPARγ in Streptozotocin (STZ)-induced diabetic rats.
 Methods: In this experimental study,  32 male Wistar rats were randomly divided into four groups (n=8): Diabetes (DM), Diabetes-Berberine (BDM), Diabetes-Aerobic Training (TDM), Diabetes-Aerobic Training -Berberine (TBDM). Diabetes was induced by injection of STZ in male rats. Berberine chloride (30 mg/kg/day) were administered orally, by gavage, once a day. Training groups have performed a progressive aerobic running program (at 10-18 m/min, 10-40 min/day, and 5 days/week) on a motor-driven treadmill for six weeks.
Results: There was a significant increase in Nrf2 and HO-1 expression in BDM in BDM (p=0.027 and p=0.038, respectively), TDM (p=0.022 and p=0.028, respectively) and TBDM (p=0.000 and p=0.000, respectively). This increase was also observed in TBDM groups compared to BDM (p=0.034 and p=0.034, respectively) and TDM (p=0.043 and p=0.046, respectively). PPARγ was significantly increased in TDM (p=0.046) and TBDM (p=0.001) groups.
Conclusions: Berberine chloride combination with exercise may possibly inhibit STZ-induced liver damage through up-regulating the Nrf2/HO-1 pathway and PPARγ.
Alireza Shiroyeh, Farshad Emami, Mohammad Sanaee, Rasol Tarighi,
Volume 20, Issue 4 (1-2021)
Abstract

Background & objectives: Preptin and adropine are peptide hormones that play an important role in the controlling of obesity by regulation of carbohydrate metabolism. The purpose of the present study was to investigate the effect of aerobic training on preptin, adropine and insulin resistance in men with overweight.
Methods: In this clinical trial study, 18 overweight and obese men (age 58.39±3.92, body mass index 28.75±1.23) were selected and randomly divided into two groups (control and exercise). Exercise group participated in an aerobic exercise program for eight weeks, five sessions per week (with an intensity of 65 to 85% of maximum heart rate, 40 minutes). Two days before and after the protocol, fasting blood samples were taken. Preptin and adropine were measured by ELISA. Data were tested using independent t-test and ANCOVA at a significance level of p<0.05.
Results: The level of preptin in the experimental group was significantly reduced compared to the control group (p=0.001) and the pretest (p=0.000). Also, the adropine level in the experimental group increased significantly compared to the control group (p=0.000) and the pretest (p=0.000). Also, Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) values in the exercise group compared to the control group (p=0.000) and pretest (p=0.000) showed a significant decrease.
Conclusions: Exercise improved glycemic index in obese and overweight men by improving the levels of preptin and adropine. It seems that aerobic exercise can be an effective intervention method to control and prevent the occurrence of metabolic diseases in these people.
Rohollah Taheri Gandomani, Bahman Mirzaei, Arssalan Damirchi,
Volume 21, Issue 1 (4-2021)
Abstract

Background & objectives: Age-related cardiovascular dysfunction is often accompanied by impaired mitochondrial biogenesis and function. Exercise training can improve mitochondrial function and content in muscle to meet the energy demands of the cells. The purpose of the present study was to investigate the effect of moderate-intensity (MRT) and high-intensity (HRT) resistance training on the expression of PGC-1α, TFAM and AMPK of cardiomyocytes in elderly rats.
Methods: In this experimental study, 30 elderly male rats (23 months) were divided into 3 groups: control (C), MRT and HRT. Training groups exercised resistance training for eight weeks (5 days a week). The resistance training protocol consisted of climbing a 110- centimeter -long ladder, with a weight attached to a tail sleeve. In the MRT group, the training protocol with 60% MVCC, 14-20 times climbing the ladder; In the HRT group with 80% MVCC, 9-10 times climbing the ladder was performed. Data were tested using ANOVA at a significance level of p<0.05.
Results: the expression of PGC-1α, TFAM and AMPK was significantly increased in MRT and HRT groups compared to control group (p=0.000). There was no significant difference between MRT and HRT groups on the expression of PGC-1α, TFAM and AMPK (p=0.574).
Conclusions: Eight weeks of MRT and HRT exercise improved mitochondrial biogenesis by increasing the expression of AMPK, PGC-1α and TFAM Cardiomyocytes in Elderly Rats. Both types of exercise training may be considered an effective intervention to improve mitochondrial function
Abbas Mousavi, Allahyar Arabmomeni,
Volume 21, Issue 2 (7-2021)
Abstract

Background & objectives: Flat foot is one of the most common physical and motor disorders among students. The aim of this study was to investigate the effects of three comprehensive corrective exercise protocols on the correction of flexible flat foot in boy students with overweight.
Methods: In this quasi-experimental study, which was performed as a pre-test, post-test with a control group, a total of 80 overweight students with flexible flat foot were selected purposefully and divided into four equal groups (n=20) randomly; (Theraband exercise, NASM, water resistance training and a control group). The experimental groups performed correction exercises for 8 weeks, 3 sessions with 45 minutes per week. Variables were measured at the baseline and after 8 weeks of correctional program. Data were analyzed using analysis of covariance by SPSS 24 software at the significance level of p<0.05.
Results: The results of the study showed that the three protocols; Theraband exercise, NASM and water resistance training had a significant effect on the improvement of flexible flat feet in overweight male students with coefficients of 0.23, 0.32 and 0.15, respectively (p≤0.05). Furthermore, it was observed a significant difference between of these three corrective protocols on flexible flat foot.
Conclusion: These findings indicated that the three correction exercises have a significant effect on the improvement of flexible flat feet. Therefore, it is recommended trainers of rehabilitation centers and corrective movements use these training methods.
 
Ensieh Ahmadpour, Maghsoud Piri, Mohammad Ali Azarbijani,
Volume 21, Issue 4 (1-2022)
Abstract

Background & objective: Alzheimer's disease (AD) is the most common cause of dementia among the elderly, threatening their quality of life. On the other hand, regular exercise is associated with improved brain health and cognitive function. However, the mechanisms of these benefits have not yet been fully elucidated. Therefore, the aim of this study was to investigate the effect of 4 weeks of moderate intensity interval aerobic training on cognitive function and expression level of PGC1α and VEGF genes in the hippocampus of old rats with AD.
Methods: For this purpose, 20-month-old male Wistar rats were divided into three groups of AD (n=8), AD+exercise training (n=8) and control (n=8). Intra-hippocampal injection of Aβ42 was used to induce AD. The animals in the exercise group performed moderate-intensity interval aerobic exercise for 4 weeks, 5 days a week. To assess spatial learning and memory, the animals underwent the Morris water maze test 48 hours following the last training session. Then, the animals were killed and hippocampal tissue was extracted. Real time-PCR method was used to measure gene expression. Statistical analysis was performed using one-way analysis of variance and Pearson correlation coefficient at the significance level of p£0.05.
Results: The results showed that Aβ42 injection impaired spatial learning and memory function and reduced the expression level of PGC1α and VEGF genes in hippocampal tissue (p£0.05). Aerobic exercise improved spatial learning and memory function and increased PGC1α and VEGF genes expression (p£0.01). Also, a significant positive relationship was observed between the PGC1α and VEGF gene expression levels in the hippocampus (r= 0.859, p≤0.01). In addition, there was a significant inverse relationship between PGC1α and VEGF genes expression and the mean time spent to find the platform (r= -0.9, p£0.01 and r= -0.750, p£0.01, respectively), and a significant positive relationship with the time spent in the target quadrant (r= -0.794, p£0.01 and r= -0.632, p£0.01, respectively).
Conclusion: In general, aerobic training improves spatial learning and memory performance in old animals with AD; up-regulation of the exercise-induced PGC1α/VEGF pathway in the brain, at least in part, appears to be involved in this adaptation.

 
Maryam Zolfali Pourfar , Farhad Rahmani Nia, Parvin Farzanegi,
Volume 21, Issue 4 (1-2022)
Abstract

Background & objectives: Dynamic disorders of mitochondria cause the pathogenesis of many diseases, such as type 2 diabetes. Therefore, the aim of this study was to investigate the interactive effect of aerobic exercises and atorvastatin consumption on the expression of MFN1/2 and DRP1 in hepatocytes of rat liver with type 2 diabetes.
Methods: In this experimental study, 25 male rats were divided into 5 equal groups: diabetes, healthy control, persistence+diabetes, atorvastatin+diabetes, persistence+atorvastatin+ diabetes. Type 2 diabetes was induced by streptozotocin (STZ) in mice. The training groups performed the running program on the treadmill for eight weeks. Atorvastatin and atorvastatin-exercise groups received atorvastatin (10 mg/kg) by gavage. 48 hours after the last training session, the rats were dissected; their liver tissue was removed and immediately frozen in liquid nitrogen solution at a temperature of minus 80 ° C to measure MFN1/2 and DRP1. One-way analysis of variance and Tukey post hoc test were used for statistical analysis at a significance level of p<0.05.
Results: The results showed that induction of type 2 diabetes decreased the expression of MFN1/2 and increased DRP1 compared to the healthy group. After eight weeks of intervention, a significant increase was observed in the expression level of MFN1 (p<0.05), but this increase was not significant in MFN2 and there was no significant difference in the expression of factors between the groups. Also, after eight weeks, a significant decrease in DRP1 gene expression was observed (p<0.05). This decrease was significant in comparison with the combined groups compared to the patient group.
Conclusion: It is possible that a combination of aerobic exercises and atorvastatin may positively regulate the expression of genes related to mitochondrial dynamics in diabetes.
 
Ghasem Torabi Palat Kaleh, Abbas Sadeghi, Ahmad Abdi,
Volume 22, Issue 1 (4-2022)
Abstract

Background & objectives: Obesity and a high-fat diet (HFD) lead to metabolic disorders in the liver by affecting the signaling pathways of fat and glucose metabolism. Exercise and dietary habits are of special interest to prevent and counteract obesity and its associated metabolic disorders. Also, Capsaicin ameliorates diet-induced obesity in rodents and humans. The aim of the present study was to examine the effect of aerobic exercise and capsaicin on the gene expression level of AMP-activated protein kinase (AMPK) and protein kinase B (Akt) in the liver of HFD rats.
Methods: in this experimental study, 40 male Wistar rats were fed a normal diet (ND, n=8) or high-fat diet (HFD) (n=32) for 8 weeks. After 8 weeks, all rats were divided into 5 groups: normal diet (ND), high-fat diet (HFD), high-fat diet-training (HFDT), high-fat diet-capsaicin (HFDCap), high-fat diet-training-capsaicin (HFDTCap). Training groups have performed a moderate- intensity aerobic running program (60-50% VO2max, at 15-25 m/min, 30-60 min/day, and 5 days/week) on a motor-driven treadmill for eight weeks. Capsaicin (4 mg/kg/day) was administered orally, by gavage, once a day.
Results: Induction of diabetes was associated with decreased AMPK expression (p=0.0001) and increased Akt (p=0.0001). The results showed that training and capsaicin significantly increased AMPK expression (p=0.032 and p=0.045, respectively) and decreased Akt expression (p=0.045 and p=0.049, respectively) in HFD rat hepatocytes. Also, the interaction of training and capsaicin had a significant effect on the expression of AMPK (p=0.017) and Akt (p=0.0001).
Conclusion: The results showed that HFD impaired hepatocyte function and that aerobic exercise and capsaicin increased lipogenesis with increasing AMPK and decreasing Akt expression. However, the interaction effect of training with capsaicin was greater.
Parisa Habibi, Hadi Yousefi, Mehdi Khazaei, Mohammad Zarei, Iraj Salehi, Reza Jamali Delfan, Simin Afshar,
Volume 22, Issue 2 (7-2022)
Abstract

Background & objectives: Menopause and especially acute menopause due to surgery is associated with many complications in women. The aim of this study was to determine the effects of genistein and regular swimming exercise (alone/or in combination) on pain through a possible mechanism of inflammation and oxidative stress in ovariectomized rats.
Methods: In this study, rats were divided into six groups, including: control, sham, ovariectomy (OVX), ovariectomized with eight weeks of swimming exercise training (OVX.E), ovariectomized with eight weeks of genistein administration (OVX.G), and ovariectomized with eight weeks of combined treatment (OVX.G.E). The effects of genistein and/or exercise were evaluated by examining the pain intensity with tail-flick and formalin tests. The serum levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), total antioxidant capacity (TAC), total oxidant status (TOS), and malondialdehyde (MDA) were also evaluated by ELISA and spectrophotometer.
Results: In the OVX group compared to the control group, tail-flick and formalin tests showed an increase in pain response. Also, a significant increase in the serum levels of IL-1β, TNF-α, MDA, TOS and a decrease in TAC was observed in the OVX group, however, in the OVX.E, OVX.G and especially OVX.E.G groups, pro-inflammatory cytokines and oxidative stress as well as pain responses showed a significant decrease compared to the OVX group.
Conclusion: A combination of genistein and regular swimming exercise was synergistically more effective in reducing acute and chronic pain than using them alone in the postmenopausal period.
 
Adele Naseri, Mohammad Shariatzadeh Joneydi, Arefe Naseri,
Volume 22, Issue 2 (7-2022)
Abstract

Background & objectives: Brain trauma is one of the most common causes of damage to the central nervous system which can lead to death and long-term disability. The present study aimed at investigating the effect of 8 weeks of swimming exercise on the level of memory and interleukin 10 (IL-10) in the hippocampus and prefrontal cortex of mice with brain trauma.
Methods: 40 male NMRI mice were randomly divided into four groups (control, swimming, trauma, swimming + trauma). After completing the exercise protocol, induction of trauma was performed by the weight -drop method. Ten days after trauma induction, the mice were evaluated for spatial memory with Y-maze test. The IL- 10 level was measured using ELISA technique. One-way analysis of variance and Tukey post hoc test were used for statistical analysis at a significance level of p<0.05 and using SPSS software version 26.
Results: The study results indicated that eight weeks of swimming exercise significantly increase memory in mice with brain trauma (p=0.001). Furthermore, eight weeks of swimming exercise significantly increase the level of IL-10 in the hippocampus of mice with brain trauma (p=0.001). However, this increase was not significant in the prefrontal cortex (p=0.126).
Conclusion: The results of the present study showed that swimming exercise before induction of brain trauma reduces inflammation and memory disorders and facilitates recovery after injury. Previous exercise training can probably reduce inflammation by increasing the amount of anti-inflammatory cytokines, including interleukin-10, and limit secondary damage with its protective effect.
 
Hamid Vasfi, Hamid Mohebbi, Marefat Siahkouhian, Lotfollah Rezagholizadeh, Abuzar Jorbonian,
Volume 24, Issue 1 (4-2024)
Abstract

Background: Weight gain and obesity are the global health problem. Time-restricted feeding is a relatively new method of weight loss with many metabolic and anthropometric benefits. Low-intensity aerobic exercise also has beneficial effects on weight loss and metabolic factors; However, the combined effect of TRF and low-intensity aerobic exercise on metabolic and anthropometric factors in healthy overweight middle-aged men has rarely been investigated. The present research has investigated this purpose.
Methods: Among 55 volunteers, 27 healthy middle-aged men in the age (35 to 55) with overweight (25 The groups included: 1-TRF18:6 & EX 2-TRF 16:8 & EX 2-TRF 14:10 & EX. Three groups performed TRF protocols with different feeding times (6, 8 and 10 hours of free feeding) and fasting in the remaining 24 hours, and the same low -intensity aerobic exercise (55-65% of maximum heart rate). The interventions continued for 12 weeks. Blood and body composition tests were measured before and after the intervention. Daily food intake was measured before the intervention and during 12 weeks. Finally, all the data were analyzed.Analysis of variance with repeated measures was used for analysis. P values ​​less than 0.05 were considered as a significant criterion in all statistical tests.
Results: The combination of TRF and exercise decreased glucose and insulin resistance in all groups. Cholesterol and LDL decreased in the 6-h and 8-h TRF groups. HDL reduction was significant only in the 8-h TRF group. Weight and BMI were reduced in the 6-h and 8-h TRF groups. The percentage of fat reduced in the 6-h group.  There was no significant difference between the groups for any of the variables. The average energy received in 12 weeks was not significantly different in any group; however the 6-h model caused a greater decrease in the average energy received during 12 weeks than in the other two groups.
Conclusion: The 6-h TRF model along with light aerobic exercise is suggested as the most reliable method to improve the metabolic and anthropometric profile in overweight middle-aged men.
 

Sheida Payamipour, Maghsoud Peeri, Mohammad Ali Azarbaijani, Forouzan Fattahi Masrour,
Volume 24, Issue 1 (4-2024)
Abstract

Background: Rheumatoid arthritis is an autoimmune disease that gradually destroys the synovial joints and leads to chronic inflammation. This autoimmune disorder is associated with an increase in stress-related symptoms, including anxiety and depression, and a decrease in social behaviors, which severely reduces the patient's quality of life. Previous studies show that higher physical activity during adolescence may lead to a decrease in neurobehavioral disorders in adulthood. This study was conducted with the aim of evaluating the increase of physical activity from early adolescence on stress-related behaviors and inflammation in mice with rheumatoid arthritis.
Methods: Male mice were randomly exposed to a running wheel from early adolescence to adulthood, and then rheumatoid arthritis was induced. Stress-related behaviors, including anxiety, depression and social behavior were investigated in animals. The level of interleukin 17 (IL-17) and interferon gamma (IFN-γ) were also measured as important inflammatory markers in the serum.
Results: The results showed that physical activity from early adolescence significantly resulted in decreased stress in mice with rheumatoid arthritis. In addition, the running wheel led to a decrease in the levels of (IL-17) and (IFN-γ) in rheumatoid arthritis-induced mice as two important indicators of inflammation.
Conclusion: This study shows that increased physical activity during adolescence to adulthood may make mice resistant to increased stress and inflammation caused by rheumatic arthritis.

 

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مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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