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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.
 

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Background & objectives: Non-alcoholic fatty liver is one of the most common diseases. Nutrition and exercise are recommended for the patients with this disease, and chicory is considered due to its protective effects on the liver. Therefore, the aim of the present study was to investigate the effect of chicory extract along with treadmill walking on the hepatic transaminases levels and tissue changes in rats with non-alcoholic fatty liver disease.
Methods: In this experimental study, 56 mature male rats were divided into control (without treatment), sham (treatment with high-fat diet 10 ml/kg) and 5 experimental groups receiving high-fat diet (10 ml/kg) with 200 and 100 mg/kg chicory extract alone and with treadmill walking. Chicory was administered as gavage in 28 consecutive days. At the end, after anesthetizing the animals and collecting blood from their hearts the Aspartate Aminotransferase (AST), Alanine Aminotransferase (ALT) and Alkaline phosphatase (ALP) enzymes were measured. The their livers were removed and after preparing the tissue sections, the results of hepatic enzymes measurements were analyzed by ANOVA and Duncan tests and P≤0.05 was considered significant.
Results: The results showed that high-fat diet increased AST, ALT and ALP enzymes and hepatic tissue damage compared to the control group at p<0.001. Treatment with chicory and treadmill walking alone and together resulted in a significant reduction of the above enzymes at p<0.001 and improvement of hepatic tissue compared to the high-fat diet group.
Conclusion: The results showed that high-fat diet increased the levels of ALT, AST and ALP, and hepatic tissue damage. Treadmill walking and chicory extract alone and together reduced the above enzymes and improved the hepatic tissue structure.

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Background & objectives:  with Regard to the increasing prevalence of nonalcoholic fatty liver disease (NAFLD), focusing on various strategies for its prevention and management seem necessary. The purpose of this study was to investigate the effect of running on treadmill and low calorie diet on visfatin and hs-CRP values in people with NAFLD.
Methods: In this quasi-experimental Study, 55 NAFLD patients were selected and randomly assigned to one of four groups: training (n=14), diet (n=14), training plus diet (n=14) and control (n=13). The training program included eight weeks running on a treadmill with maximum heart rate intensity of 55-75% for 45 minutes three times a week. A low calorie diet with an energy deficit of 500 calories of daily energy intake was calculated from 3-day food records of the patients. Combined group subjects also used both types of intervention. Data were analyzed using covariance analysis and Bonferron's post hoc test at a significance level of p<0.05.
Results: Visfatin values in the training group (p=0.01), in the combined group (p=0.001) and also hs-CRP values in the training group (p=0.003) and the combined group (p=0.008) decreased significantly. The body mass index of subjects was significantly decreased by training (p=0.003) and combined intervention (p=0.001).
Conclusion: Running on treadmill and a low calorie diet simultaneously reduce the plasma levels of visfatin and hs-CRP in male patients with NAFLD. Therefore, these therapeutic interventions are beneficial in reducing NAFLD inflammatory factors.
 

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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.