Liver damage Cycles of protein depletion Fetal programming Low protein diet Metabolic syndrome Mouse liver Mus Non-alcoholic fatty liver Northern blotting Oxidative stress Wistar rats alanine aminotransferase alanine aminotransferase blood level animal experiment article aspartate aminotransferase aspartate aminotransferase blood level carbonate dehydratase III catalase controlled study electron microscopy fatty acid synthase female glutathione reductase glutathione transferase P1 glyceraldehyde 3 phosphate dehydrogenase lipid peroxidation liver function liver histology liver injury