Showing 4 results for Fatty Liver
Zeynab Amirhamidi, Hanieh-Sadat Ejtahed, Zahra Bahadoran, Parvin Mirmiran, Fereidoun Azizi,
Volume 14, Issue 4 (5-2015)
Abstract
Background: Existing studies show that a poor diet has an effect on the progression of non-alcoholic fatty liver disease (NAFLD). The aim of the present study was to systematically summarize the results of studies on the relationship between dietary intakes and NAFLD. Methods: A review of Scopus, PubMed, Cochrane Library, Magiran, Medlib and SID databases and theses in the National Library of the Islamic Republic of Iran was conducted to identify epidemiological studies concerning NAFLD, food groups and dietary patterns. Cross-sectional, case-control and cohort studies with documented in English were selected for this systematic review. Duplication, topic, type of study, study population, variables examined and quality of data reporting of articles were evaluated. Results: Of 2128 articles found in the initial search, 33 were reviewed in full-text of these 6 articles were included in the systematic review. The literature review showed patients with NAFLD consumed more red meat, fats and sweets and less whole grains, fruits and vegetables. The Western dietary pattern was positively associated with the risk of NAFLD and adherence to the Mediterranean diet was negatively correlated to hepatic steatosis. Conclusion: The results of the systematic review indicate that different dietary intakes may be associated with development of NAFLD and its related factors. Due to limited research documented on this topic, further prospective studies are recommended.
Nahid Teimouri, Hashem Nayeri,
Volume 15, Issue 3 (2-2016)
Abstract
Background: Non-alcoholic fatty liver disease (NAFLD) is a chronic liver disease is increasing in adults and children worldwide. Obesity, insulin resistance or diabetes type II, hyperlipidemia and hypertriglyceridemia plays a major role in the epidemiology of this disease. Cytokeratin 18 (CK-18) the major intermediate filament protein in the liver is a marker of increased hepatocyte apoptosis. The aim of this study was to determinate CK-18 level as a marker of hepatocyte apoptosis and paraoxonase as a biochemical marker for lipid peroxidation.
Methods: This case–control study was done on 51 subjects with confirmed NAFLD by ultrasound and 30 healthy individuals. CK-18 is proposed as a biomarker alternative cell death. The serum was used for measurement of the apoptosis-associated neo-epitope in the C-terminal domain of CK-18 by the M30-Apoptosense ELISA kit. The M30 detection antibody recognizes a neo-epitope mapped to positions 387 to 396 of CK18, so called CK18-Asp396 that is only revealed after caspase cleavage of the protein and is postulated as a selective biomarker of apoptosis. Serum PON1 activity was assayed using a synthetic substrate. Paraoxon substrate (diethyl-p nitrophenylphosphate), was deliberated using the increase of absorbance at 412 nm at 37 ◦C.
Results: There were significant differences regarding serum cytokeratin 18 (p=0.005), paraoxonase activity (p=0.03), triglycerides (p=0.04) and low-density lipoprotein (p=0.04) between NAFLD and healthy subjects. Between CK-18 and paraoxonase with the early stages of fatty liver disease are associated.
Conclusion: This study suggests that serum levels of cytokeratin 18 can be useful in predicting non-alcoholic fatty liver disease. Paraoxonase activity (PON1) should be considered a biochemical marker of lipid peroxidation and the need for follow-up in patients with NAFLD
Keywords: Non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), Cytokeratin 18 (CK-18), Paraoxonases
Fatemeh Kazeminasab, Mohadeseh Shojaei, Mousa Khalafi,
Volume 22, Issue 6 (3-2023)
Abstract
Background: Non-alcoholic fatty liver disease (NAFLD) is a pathological syndrome associated with increased serum levels of liver enzymes. The purpose of this study was to investigate the impact of exercise training on liver enzymes (ALT, AST, and GGT) and liver fat content in adults with NAFLD.
Methods: The PubMed, Web of Science, SID, Magiran, and Google scholar databases were searched until February 2022 for English and Persian articles. Meta-analyses were performed to compare the impact of exercise training on liver function in patients with fatty liver. SMD and 95% confidence interval (95% CI) were calculated using effect models. Also, the I2 test was used to determine heterogeneity, and the Funnel plot and Egger tests at a significant level of 0.1 were used to determine publication bias.
Results: The results of meta-analysis of 36 studies with 1602 patient with NAFLD, showed that exercise training caused a significant decrease in ALT enzyme [SMD=-0.73, (95% CI: -0.51 to -0.95), p=0.001], AST enzyme [SMD=-0.61, (95% CI: -0.39 to -0.83), p=0.001], GTT enzyme [SMD=-0.66, (95% CI: -0.18 to -1.14), p =0.007], and intrahepatic fat [SMD=-0.58, (95% CI: -0.78 to -0.38), p=0.001].
Conclusion: The findings of the present meta-analysis show the important role of exercise training (aerobic, resistance, and combined training) in improving liver function. So, all three types of aerobic, resistance, and combined exercise are suggested as a non-drug approach to reduce liver enzymes and intrahepatic fat for adults with NAFLD.
Setareh Moradi Vafa, Hamed Ghiyami Taklimi, Ali Hemati Afif, Pourvaghar, Zahra Bahram,
Volume 24, Issue 1 (3-2024)
Abstract
Background: Interval exercises with high intensity and consumption of plant extracts probably have beneficial effects on inflammatory indicators. The aim of this study was to investigate the effect of eight weeks of High-Intensity Interval Training (HIIT) and the consumption of Loquat leaf extract on the serum levels of TNF-α and interleukin-18 in obese men with non-alcoholic fatty liver disease.
Methods: In this semi-experimental study, forty men with non-alcoholic fatty liver disease with body mass index (33.92 ± 1.82) with informed written consent were randomly selected and assigned into four groups: control, training, Extract, Extract + training (Each group of 10 people). Exercises were performed for eight weeks and three sessions per week for 60 minutes with intensity between 80-95% of the reserve heart rate. Two capsules of 250 mg of Loquat leaf extract were also prescribed daily. Paired t-test and analysis of covariance were used.
Results: A significant decrease in the levels of TNF-α (15.3%) and interleukin 18 (14.9%) was observed in the training + extract group (P<0.05). A significant difference was observed in the levels of TNF-α (P=0.001) and interlock 18 (P=0.001) between the groups, and these changes were more significant in the Extract + training group than in the training and extract groups.
Conclusions: It is concluded that performing intense intermittent training along with Loquat leaf extract will be able to improve TNF-α and interleukin 18 indices related to fatty liver in people with non-alcoholic fatty liver disease. However, confirmation of this hypothesis requires more research.
