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Related Experiment Video

Updated: Jun 21, 2026

Quantification of Atherosclerosis in Mice
06:59

Quantification of Atherosclerosis in Mice

Published on: June 12, 2019

Hypercholesterolemic mice exhibit lymphatic vessel dysfunction and degeneration.

Hwee Ying Lim1, Joseph M Rutkowski, Julie Helft

  • 1Department of Microbiology, Immunology Programme, Yoon Loo Lin School of Medicine, National University of Singapore, 28 Medical Drive, Singapore.

The American Journal of Pathology
|August 15, 2009
PubMed
Summary

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High cholesterol (hypercholesterolemia) damages lymphatic vessels, impairing fluid and cell transport. This study reveals how lipid imbalance affects lymphatic function and immune cell migration.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Vascular Biology

Background:

  • Lipid absorption and transport are critical functions of lymphatic vessels.
  • The impact of dyslipidemia on lymphatic vessel biology remains under-researched.

Purpose of the Study:

  • To investigate the effects of hypercholesterolemia on lymphatic vessel structure and function.
  • To elucidate the mechanisms by which lipid imbalance affects lymphatic drainage and immune cell transport.

Main Methods:

  • Utilized apolipoprotein E-deficient (apoE(-/-)) mice to model hypercholesterolemia.
  • Assessed tissue swelling, lymphatic leakiness, and transport of fluid and dendritic cells.
  • Examined structural abnormalities in initial and collecting lymphatic vessels, including smooth muscle cell coverage and LYVE-1 distribution.

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Related Experiment Videos

Last Updated: Jun 21, 2026

Quantification of Atherosclerosis in Mice
06:59

Quantification of Atherosclerosis in Mice

Published on: June 12, 2019

A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes
10:56

A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes

Published on: September 15, 2018

A Murine Model of Hyperlipidemia&#45;Induced Heart Failure with Preserved Ejection Fraction
03:42

A Murine Model of Hyperlipidemia-Induced Heart Failure with Preserved Ejection Fraction

Published on: March 29, 2024

Main Results:

  • Hypercholesterolemia in apoE(-/-) mice caused tissue swelling and lymphatic leakiness.
  • Lymphatic transport of fluid and dendritic cells was significantly decreased.
  • Structural changes included enlarged initial lymphatics and reduced smooth muscle coverage in collecting vessels.
  • Alterations in lymphatic vessel endothelial hyaluronic acid receptor-1 (LYVE-1) distribution were observed.

Conclusions:

  • Hypercholesterolemia leads to lymphatic vessel degeneration, compromising lymphatic drainage.
  • Impaired lymphatic function explains reduced dendritic cell migration and immune priming in hypercholesterolemic conditions.