Harvest and Primary Culture of Leptomeningeal Lymphatic Endothelial Cells

Hong-Ji Deng; Kun Wu; Han-Fu Yu; Yong-Jin Zhang; Yun-Cong Li; Chong Li; Fei Wang

doi:10.3791/65872

Récolte et culture primaire de cellules endothéliales lymphatiques leptoméningées

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Neuroscience

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JoVE Journal Neuroscience

Harvest and Primary Culture of Leptomeningeal Lymphatic Endothelial Cells

Récolte et culture primaire de cellules endothéliales lymphatiques leptoméningées

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06:44 min

September 8, 2023

DOI: 10.3791/65872-v

Hong-Ji Deng¹, Kun Wu², Han-Fu Yu¹, Yong-Jin Zhang^1,3, Yun-Cong Li¹, Chong Li¹, Fei Wang¹

¹Department of Neurosurgery,The First Affiliated Hospital of Kunming Medical University, ²Department of Clinical Laboratory,The First Affiliated Hospital of Kunming Medical University, ³Clinical Medical Research Center,The First Affiliated Hospital of Kunming Medical University

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Overview

This study presents a protocol for harvesting and culturing leptomeningeal lymphatic endothelial cells (LLECs) from mice, an intracranial cell type with largely unexplored functions. The established in vitro primary cultures of LLECs can facilitate research into their cellular functions and potential clinical implications.

Key Study Components

Area of Science

Neuroscience
Cell Biology
In Vitro Cultures

Background

Leptomeningeal lymphatic endothelial cells (LLECs) are a recently identified cell type in the skull.
Their functions and characteristics remain poorly understood in the field of neuroscience.
Existing protocols for LLEC cultivation are lacking, necessitating this reproducible method.
The study aims to enable further investigation into the potential roles and clinical relevance of LLECs.

Purpose of Study

To establish a reliable method for harvesting LLECs from mice.
To cultivate these cells in vitro for future research.
To investigate the biological significance of LLECs in the nervous system context.

Methods Used

The study involved cell culture techniques for LLECs derived from mouse brains.
Primary LLEC cultures were established with a specified protocol, achieving over 95% purity.
Key steps included tissue digestion, centrifugation, and separation via magnetic selection.
Cell behavior was observed and verified through immunofluorescence staining.

Main Results

The developed protocol successfully yielded LLECs with high purity, revealing their distinct morphology and characteristics.
Immunofluorescent staining confirmed LLECs' identity and differentiation from other cell types.
Cultured LLECs exhibited typical endothelial-like features over time.

Conclusions

This study provides a foundational protocol for LLEC study, facilitating exploration of their roles in health and disease.
The in vitro system opens avenues for understanding LLEC functions in the central nervous system.
Future investigations may clarify LLECs’ clinical implications and biological significance in neuroscience.

Frequently Asked Questions

What are the advantages of using the established protocol?

The protocol provides a reproducible method for isolating and cultivating LLECs with high purity, enabling reliable experimentation and understanding of these cells.

How are LLECs harvested from mouse brains?

LLECs are harvested by carefully removing leptomeninges from the brain surface, followed by enzymatic digestion and cell culture techniques.

What type of data or outcomes can researchers expect?

Researchers can obtain insights into the cellular characteristics of LLECs, including their morphology and specific marker expressions.

How can the method be adapted for other research purposes?

Variations of the protocol can be applied to study other brain-derived cell types or explore different biochemical environments by modifying digestion enzymes and media conditions.

What are the limitations of the described method?

The method primarily focuses on LLECs from mice, which may not fully represent LLECs in other species, limiting broader applicability without further validation.

Les cellules endothéliales lymphatiques leptoméningées (LLECs), un type de cellules intracrâniennes récemment identifiées, ont des fonctions mal comprises. Cette étude présente un protocole reproductible pour la récolte de LLEC à partir de souris et l’établissement de cultures primaires in vitro . Ce protocole est conçu pour permettre aux chercheurs de se plonger dans les fonctions cellulaires et les implications cliniques potentielles des LLECs.

Ce protocole est conçu pour les zones de par d’autres chercheurs uniquement intéressés là où a établi la procédure multi et les zones primaires culturelles Notre protocole a finalement conduit à l’établissement de notre culture primaire de la zone CS avec un niveau de pureté supérieur à 95%Il n’existe actuellement aucun protocole existant pour la récolte et la culture Nos résultats ont ouvert la voie à une étude plus approfondie de la fonction similaire de LLECS dans le virtuel. À RUC, notre récente découverte de la population cellulaire intracrânienne, la signification biologique de RUC Nous mènerons d’autres recherches sur la fonction cellulaire et examinerons son implication clinique.

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