Maternal quercetin intake during lactation attenuates renal inflammation and modulates autophagy flux in high-fructose-diet-fed female rat offspring exposed to maternal malnutrition.

Maternal restriction of dietary proteins during pregnancy and lactation is known to induce renal disease in later life. High fructose intake causes metabolic syndrome, which results in an increased risk of chronic kidney disease development. We investigated whether quercetin intake during lactation affects high-fructose-diet-induced inflammation and autophagy flux in the kidneys of high-fructose-diet-fed adult female offspring exposed to maternal normal-protein (NP) or low-protein (LP) diets. Pregnant Wistar rats received diets containing 20% (NP) or 8% (LP) casein, and 0 or 0.2% quercetin containing NP diets (NP/NP or NP/NPQ) in experiment (Expt.) 1 and 0 or 0.2% quercetin containing LP diets (LP/LP or LP/LPQ) in Expt. 2 during lactation. At weaning, pups that received a diet of distilled water (Wa) or 10% fructose solution (Fr) were divided into six groups: NP/NP/Wa, NP/NP/Fr, NP/NPQ/Fr in Expt. 1, and LP/LP/Wa, LP/LP/Fr, LP/LPQ/Fr in Expt. 2. At week 12, macrophage infiltration, mRNA levels of TNF-α and IL-6, and markers of autophagy flux in the kidneys of male offspring were examined. We found that macrophage number and, TNF-α and IL-6 mRNA levels increased in the kidneys of the NP/NP/Fr or LP/LP/Fr, respectively. Conversely, macrophage number and IL-6 levels in the NP/NPQ/Fr or LP/LPQ/Fr decreased. LC3B-II levels were downregulated in the NP/NP/Fr or LP/LP/Fr rats. In contrast, LC3B-II levels were upregulated, while p62 levels were downregulated in the NP/NPQ/Fr and LP/LPQ/Fr rats. In conclusion, maternal quercetin intake during lactation may cause long-term alterations in inflammation and autophagy flux in the kidneys of high-fructose-diet-fed adult female offspring.

• Publication year

  2019

• Venue

  Food & Function

• Publication date

  2019-08-14

• Fields of study

  Biology, Medicine, Environmental Science

• Identifiers
  DOI 10.1039/c9fo01134jPMID 31355385
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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