Related Experiment Video
Updated: Nov 8, 2025

Blocking Lymph Flow by Suturing Afferent Lymphatic Vessels in Mice
Published on: May 14, 2020
Lymphatic vessels clean up your arteries
1Department of Medicine, Leon H. Charney Division of Cardiology and the Marc and Ruti Bell Vascular Biology and Disease Program, New York University School of Medicine, New York, New York, USA. carlos.fernandez-hernando@nyumc.org
Insights
Reverse cholesterol transport (RCT) removes excess cholesterol from artery walls. This study shows lymphatic vessels are crucial for RCT from atherosclerotic plaques, suggesting improved lymphatic transport could treat vascular disease.
Area of Science:
- Cardiovascular Biology
- Vascular Physiology
- Atherosclerosis Research
Background:
- Reverse cholesterol transport (RCT) is vital for clearing cholesterol from peripheral tissues, including artery walls.
- Increasing macrophage cholesterol efflux and RCT shows promise as an antiatherogenic strategy.
- The role of lymphatic vasculature in RCT, particularly from atherosclerotic lesions, requires further investigation.
Purpose of the Study:
- To investigate the contribution of lymphatic vasculature to reverse cholesterol transport.
- To determine if lymphatic vessels play a critical role in RCT from atherosclerotic plaques.
Main Methods:
- Investigated the role of lymphatic vessels in cholesterol removal from atherosclerotic plaques.
- Utilized experimental models to assess lymphatic transport's contribution to RCT.
Main Results:
- The lymphatic vessel route is demonstrated to be critical for RCT from atherosclerotic plaques.
- Lymphatic transport significantly contributes to the removal of cholesterol from the artery wall.
Conclusions:
- The lymphatic vasculature is a key component of the reverse cholesterol transport pathway.
- Strategies aimed at enhancing lymphatic transport may represent a novel therapeutic approach for atherosclerotic vascular disease.
Abstract:
Reverse cholesterol transport (RCT) is the pathway by which cholesterol accumulated in peripheral tissues, including the artery wall, is transported to the liver for excretion. There is strong evidence suggesting that interventions that increase macrophage cholesterol efflux and RCT would be antiatherogenic. In this issue of the JCI, Martel et al. investigate the contribution of lymphatic vasculature to RCT. Their results support the concept that the lymphatic vessel route is critical for RCT from atherosclerotic plaques. Therefore, strategies to improve lymphatic transport might be useful for treating atherosclerotic vascular disease.
Related Concept Videos
Lymphatic Vessels and Lymph Transport
This one-way system allows fluids, solutes, and even pathogens to enter but prevents their return to the intercellular...
Detailed Structure and Function of Lymph Nodes
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
Functions of the Lymphatic and Immune System
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
Structure of Blood Vessels
Overview of the Vascular System
Fluid Connective Tissues: Blood and Lymph
Blood
The blood flows through blood vessels— arteries, capillaries, and veins. Blood plasma is primarily made of proteins, solutes, and...

