Related Experiment Video
Updated: Apr 1, 2026
07:45
Cervical Lymph Duct-Cannulated Rat Model for Assessing Lymphatic Transport from the Head and Brain
Published on: March 10, 2026
102
Cervical Lymph Duct-Cannulated Rat Model for Assessing Lymphatic Transport from the Head and Brain
Zihan Zhu1, Hefeng Song2, Wei Liu3
1State Key Laboratory of Natural Medicines, School of Pharmacy, China Pharmaceutical University; MOE Joint International Research Laboratory of Target Discovery and New Drug Innovation, China Pharmaceutical University.
Journal of Visualized Experiments : Jove
|March 30, 2026
Summary
Researchers developed a rat model to collect lymph from deep cervical lymph ducts. This method aids in studying brain lymphatic drainage and its role in neurological diseases and drug delivery.
Area of Science:
- Neuroscience
- Immunology
- Physiology
Background:
- The central nervous system (CNS) has lymphatic vessels (LVs) that drain into cervical lymph ducts.
- These ducts are crucial for fluid balance and transporting substances, impacting homeostasis and immunity.
- Impaired brain lymphatic drainage is linked to neurological and neurodegenerative disorders.
Purpose of the Study:
- To describe a rat model for collecting lymph from deep cervical lymph ducts.
- To enable the study of lymphatic transport from the head and brain.
- To facilitate research on CNS diseases and drug pharmacokinetics/pharmacodynamics.
Main Methods:
- Anesthetized rats underwent deep cervical lymph duct cannulation.
- Lymph was collected for several hours post-surgery.
- The method can be combined with imaging and multi-omics.
Main Results:
- The described method allows for sustained lymph collection from the CNS.
- It enables measurement of substance concentration and transport rates in lymph.
- This facilitates the study of physiological and pathophysiological processes.
Conclusions:
- The deep cervical lymph duct cannulated rat model is a valuable tool for CNS lymphatic research.
- It supports studies on neurological disorders and drug development for brain diseases.
- This model enhances understanding of head and neck region physiology and pathology.
