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This research aims to characterize the cellular mechanisms of lipoprotein transport in endodermal epithelial cells of chicken embryos.

April 20, 2026Poultry ScienceOpen Access

Single-Cell Transcriptomic Insights into Lipoprotein Transport in Yolk Sac Membrane Endodermal Epithelial Cells of Chicken Embryos

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This research aims to characterize the cellular mechanisms of lipoprotein transport in endodermal epithelial cells of chicken embryos.
Performed single-cell RNA sequencing on embryonic yolk sac membrane cells from days 4 and 7.
Identified transcriptionally distinct cellular clusters, focusing on endodermal epithelial cells.
Conducted gene ontology enrichment analysis to assess pathway involvement in lipid metabolism.
Performed plasma analysis to quantify HDL and VLDL concentrations at embryonic day 19.
Identified a prominent HDL-biogenesis program in endodermal epithelial cells.
Confirmed HDL concentrations significantly exceed VLDL levels during late embryogenesis.
Observed progressive increases in HDL-related gene expression from days 4 to 20 of embryonic development.

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Single-cell RNA sequencing reveals HDL's key role in lipoprotein transport during chicken embryonic development, indicating metabolic adaptations.

Wu et al. (2026) studied this question.

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Single-cell RNA sequencing reveals HDL's key role in lipoprotein transport during chicken embryonic development, indicating metabolic adaptations.