Time-restricted feeding reduces high-fat diet associated placental inflammation and limits adverse effects on fetal organ development - PubMed (original) (raw)
. 2019 Jun 25;514(2):415-421.
doi: 10.1016/j.bbrc.2019.04.154. Epub 2019 May 1.
Affiliations
- PMID: 31053302
- DOI: 10.1016/j.bbrc.2019.04.154
Time-restricted feeding reduces high-fat diet associated placental inflammation and limits adverse effects on fetal organ development
Aditya Upadhyay et al. Biochem Biophys Res Commun. 2019.
Abstract
Maternal nutrition has become a major public health concern over recent years and is a known predictor of adverse long-term metabolic derangement in offspring. Time-restricted feeding (TRF), wherein food consumption is restricted to the metabolically active phase of the day, is a dietary approach that improves metabolic parameters when consuming a high-fat diet (HFD). Here, we tested whether TRF could reduce maternal HFD associated inflammation and thereby mitigate defects in fetal organ developmental. Female rats were kept on following three dietary regimens; Ad libitum normal chow diet (NCD-AL), Ad libitum HFD (HFD-AL) and Time-restricted fed HFD (HFD-TRF) from 5 months prior to mating and continued throughout pregnancy. Rat dams were sacrificed at embryonic day 18.5 (ED18.5) and placental tissues from these rats were processed for the analysis of cellular apoptosis, inflammatory cytokines (TNFα and IL-6), oxidative stress, endoplasmic reticulum (ER) stress and autophagy. Furthermore, fetal hepatic triglyceride (TG) content and fetal lung maturation were assessed at ED18.5. Biochemical analysis revealed that HFD-TRF rat had significantly lower serum TG levels and body weight compared to HFD-AL rats. Additionally, TRF significantly blocked HFD-induced placental apoptosis and inflammation via minimizing cellular stress, and restoring autophagic flux. In addition, fetal hepatosteatosis and delayed fetal lung maturation induced by HFD was significantly ameliorated in HFD-TRF compared to HFD-AL. Collectively, our results suggest that reducing placental inflammation via TRF could prevent adverse fetal metabolic outcomes in pregnancies complicated by maternal obesity.
Keywords: Autophagy; Hepatosteatosis; Inflammation; Obesity; Oxidative stress; Placenta; Time-restricted feeding.
Copyright © 2019 Elsevier Inc. All rights reserved.
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