ArticleJournal of animal science and biotechnology2023
Hepatic steatosis is associated with dysregulated cholesterol metabolism and altered protein acetylation dynamics in chickens.
Article in Journal of animal science and biotechnology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 6 citations in OpenAlex.
- Curcumin Combined with Flaxseed Oil Modulates Lipid Metabolism in Hamsters Fed a High-Fat, High-Cholesterol Diet: Insights from Lipidomics.Nutrients · 2026Article
- The current and future perspective of ChickenGTEx project and its applications in precision breeding.Poultry science · 2026Article
- Metabolite-mediated crosstalk: unraveling the interactions between gut microbiota and host in fatty liver hemorrhagic syndrome of laying hens.Journal of animal science and biotechnology · 2026Review
- Article
- Oleic Acid Increases Lipid Accumulation in Duck Hepatocytes by Promoting Apolipoprotein A1 Expression.Animals : an open access journal from MDPI · 2025Article
- Single-cell transcriptomic atlas of the chicken cecum reveals cellular responses and state shifts during Eimeria tenella infection.BMC genomics · 2025Article
- Association of triglyceride-glucose index and remnant cholesterol levels with liver fibrosis progression and disease severity in patients with non-alcoholic fatty liver disease: a cross-sectional study.Frontiers in endocrinology · 2025Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundHepatic steatosis is a prevalent manifestation of fatty liver, that has detrimental effect on the health and productivity of laying hens, resulting in economic losses to the poultry industry. Here, we aimed to systematically investigate the genetic regulatory mechanisms of hepatic steatosis in laying hens.
methodsNinety individuals with the most prominent characteristics were selected from 686 laying hens according to the accumulation of lipid droplets in the liver, and were graded into three groups, including the control, mild hepatic steatosis and severe hepatic steatosis groups. A combination of transcriptome, proteome, acetylome and lipidome analyses, along with bioinformatics analysis were used to screen the key biological processes, modifications and lipids associated with hepatic steatosis.
resultsThe rationality of the hepatic steatosis grouping was verified through liver biochemical assays and RNA-seq. Hepatic steatosis was characterized by increased lipid deposition and multiple metabolic abnormalities. Integration of proteome and acetylome revealed that differentially expressed proteins (DEPs) interacted with differentially acetylated proteins (DAPs) and were involved in maintaining the metabolic balance in the liver. Acetylation alterations mainly occurred in the progression from mild to severe hepatic steatosis, i.e., the enzymes in the fatty acid oxidation and bile acid synthesis pathways were significantly less acetylated in severe hepatic steatosis group than that in mild group (P < 0.05). Lipidomics detected a variety of sphingolipids (SPs) and glycerophospholipids (GPs) were negatively correlated with hepatic steatosis (r ≤ -0.5, P < 0.05). Furthermore, the severity of hepatic steatosis was associated with a decrease in cholesterol and bile acid synthesis and an increase in exogenous cholesterol transport.
conclusionsIn addition to acquiring a global and thorough picture of hepatic steatosis in laying hens, we were able to reveal the role of acetylation in hepatic steatosis and depict the changes in hepatic cholesterol metabolism. The findings provides a wealth of information to facilitate a deeper understanding of the pathophysiology of fatty liver and contributes to the development of therapeutic strategies.
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