Related Experiment Video
Updated: May 10, 2026

07:36
Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting
Published on: May 1, 2015
14.4K
Lymphatic malformations: mechanistic insights and evolving therapeutic frontiers
Milena Petkova1, Ingvar Ferby1, Taija Mäkinen1,2,3
1Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden.
The Journal of Clinical Investigation
|March 15, 2024
Summary
The lymphatic vascular system plays a crucial role in health and disease. Research highlights lymphatic malformations (LMs) and ongoing investigations into genetic causes and drug therapies.
Area of Science:
- Vascular Biology
- Pathology
- Genetics
Background:
- The lymphatic vascular system's role extends beyond fluid transport to active involvement in physiological processes.
- Dysfunction of lymphatic vessels is linked to inflammation, autoimmune diseases, and atherosclerosis.
Purpose of the Study:
- To discuss lymphatic malformations (LMs), their characteristics, and associated health consequences.
- To review the genetic underpinnings of LMs.
- To explore emerging drug-based therapeutic strategies for LMs.
Main Methods:
- Literature review of recent research on lymphatic vascular biology and pathology.
- Analysis of studies identifying genetic causes of lymphatic malformations.
- Overview of current preclinical and clinical investigations into LM therapies.
Main Results:
- Lymphatic malformations present as fluid-filled cysts or overgrowth of lymphatic vessels, causing significant morbidity.
- Specific genetic factors contributing to LM development have been identified.
- Several drug-based therapies show promise for treating LMs.
Conclusions:
- The lymphatic vascular system is a critical component of overall health, with its dysfunction leading to severe pathologies like LMs.
- Understanding the genetic basis of LMs is key to developing targeted treatments.
- Advancements in drug discovery offer new hope for managing lymphatic malformations.
Related Concept Videos
Lymphatic Vessels and Lymph Transport
Lymphatic vessels, known as lymphatics, are crucial in transporting lymph from peripheral tissues to our venous system. This process begins with lymph entering through tiny capillaries that branch through tissues. These capillaries have unique features such as larger diameters, thinner walls, and a distinctive one-way valve system formed by overlapping endothelial cells.
This one-way system allows fluids, solutes, and even pathogens to enter but prevents their return to the intercellular spaces.
This one-way system allows fluids, solutes, and even pathogens to enter but prevents their return to the intercellular spaces.
Development of the Lymphatic System
The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...

