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Protective effect of whey proteins against nonalcoholic fatty liver in rats
Faculty
Agriculture
Year:
2011
Type of Publication:
Article
Pages:
Authors:
Sitohy, Mahmoud Z, Hamad, Essam M, Taha, Soad H, Abou Dawood, Abdel-Gawad I, Abdel-Hamid, Mahmoud
DOI:
10.1186/1476-511X-10-57
Journal:
LIPIDS IN HEALTH AND DISEASE BIOMED CENTRAL LTD
Volume:
10
Research Area:
Biochemistry \& Molecular Biology
ISSN
ISI:000290709900001
Keywords :
Protective effect , whey proteins against nonalcoholic
Abstract:
Background: Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of the metabolic syndrome and can vary from hepatic steatosis to end-stage liver disease. It is the most common liver disease and its prevalence is increasing worldwide. In the present study, the effect of whey proteins on some parameters of NAFLD was investigated. Results: Oral administration of the studied whey proteins products reduced the final body weight of rats. There was a significant reduction effect (P < 0.05) of the tested proteins on hepatic triglycerides, liver enzymes (ALT and AST), lipid peroxidation (malondialdehyde level) and serum glucose. Feeding on whey proteins caused an increase in the reduced glutathione. Hepatic content of reduced glutathione was not affected by any of the used whey proteins, but it showed an increasing tendency (P > 0.05). Liver histology showed an improvement of fatty infiltration in hepatocytes from whey protein groups and gives the histology of liver a normal appearance. Conclusions: The obtained results indicate a possible role for oral administration of whey proteins in the regulation of liver biochemistries in a rat's model of NAFLD. This regulatory effect of whey proteins was accompanied by an improvement in fatty infiltration in hepatocytes and a reduction of oxidative stress parameters.
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