Nutritional Recovery with a Soybean Diet after Weaning Reduces Lipogenesis but Induces Inflammation in the Liver in Adult Rats Exposed to Protein Restriction during Intrauterine Life and Lactation

• Main Authors: Sílvia Regina de Lima Reis (Author), Naoel Hassan Feres (Author), Leticia Martins Ignacio-Souza (Author), Roberto Vilela Veloso (Author), Vanessa Cristina Arantes (Author), Nair Honda Kawashita (Author), Edson Moleta Colodel (Author), Bárbara Laet Botosso (Author), Marise Auxiliadora de Barros Reis (Author), Márcia Queiroz Latorraca (Author)
• Format: Book
• Published: Hindawi Limited, 2015-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.
• Notes: 0962-9351; 1466-1861; 10.1155/2015/781703
• Keywords: Pathology; RB1-214
• Source: Mediators of Inflammation, Vol 2015 (2015)

We evaluated the effects of postweaning nutritional recovery with a soybean flour diet on de novo hepatic lipogenesis and inflammation in adult rats exposed to protein restriction during intrauterine life and lactation. Rats from mothers fed with protein (casein) in a percentage of 17% (control, C) or 6% (low, L) during pregnancy and lactation were fed with diet that contained 17% casein (CC and LC groups, resp.) or soybean (CS and LS groups, resp.) after weaning until 90 days of age. LS and CS rats had low body weight, normal basal serum triglyceride levels, increased ALT concentrations, and high HOMA-IR indices compared with LC and CC rats. The soybean diet reduced PPARγ as well as malic enzyme and citrate lyase contents and activities. The lipogenesis rate and liver fat content were lower in LS and CS rats relative to LC and CC rats. TNFα mRNA and protein levels were higher in LS and CS rats than in LC and CC rats. NF-κB mRNA levels were lower in the LC and LS groups compared with the CC and LC groups. Thus, the soybean diet prevented hepatic steatosis at least in part through reduced lipogenesis but resulted in TNFα-mediated inflammation.