-1::1
Simple Hit Counter
Skip to content

Products

Solutions

×
×
Sign In

IT

EN - EnglishCN - 简体中文DE - DeutschES - EspañolKR - 한국어IT - ItalianoFR - FrançaisPT - Português do BrasilPL - PolskiHE - עִבְרִיתRU - РусскийJA - 日本語TR - TürkçeAR - العربية
Sign In Start Free Trial

RESEARCH

JoVE Journal

Peer reviewed scientific video journal

Behavior
Biochemistry
Bioengineering
Biology
Cancer Research
Chemistry
Developmental Biology
View All
JoVE Encyclopedia of Experiments

Video encyclopedia of advanced research methods

Biological Techniques
Biology
Cancer Research
Immunology
Neuroscience
Microbiology
JoVE Visualize

Visualizing science through experiment videos

EDUCATION

JoVE Core

Video textbooks for undergraduate courses

Analytical Chemistry
Anatomy and Physiology
Biology
Calculus
Cell Biology
Chemistry
Civil Engineering
Electrical Engineering
View All
JoVE Science Education

Visual demonstrations of key scientific experiments

Advanced Biology
Basic Biology
Chemistry
View All
JoVE Lab Manual

Videos of experiments for undergraduate lab courses

Biology
Chemistry

BUSINESS

JoVE Business

Video textbooks for business education

Accounting
Finance
Macroeconomics
Marketing
Microeconomics

OTHERS

JoVE Quiz

Interactive video based quizzes for formative assessments

Authors

Teaching Faculty

Librarians

K12 Schools

Biopharma

Products

RESEARCH

JoVE Journal

Peer reviewed scientific video journal

JoVE Encyclopedia of Experiments

Video encyclopedia of advanced research methods

JoVE Visualize

Visualizing science through experiment videos

EDUCATION

JoVE Core

Video textbooks for undergraduates

JoVE Science Education

Visual demonstrations of key scientific experiments

JoVE Lab Manual

Videos of experiments for undergraduate lab courses

BUSINESS

JoVE Business

Video textbooks for business education

OTHERS

JoVE Quiz

Interactive video based quizzes for formative assessments

Solutions

Authors
Teaching Faculty
Librarians
K12 Schools
Biopharma

Language

it_IT

EN

English

CN

简体中文

DE

Deutsch

ES

Español

KR

한국어

IT

Italiano

FR

Français

PT

Português do Brasil

PL

Polski

HE

עִבְרִית

RU

Русский

JA

日本語

TR

Türkçe

AR

العربية

    Menu

    JoVE Journal

    Behavior

    Biochemistry

    Bioengineering

    Biology

    Cancer Research

    Chemistry

    Developmental Biology

    Engineering

    Environment

    Genetics

    Immunology and Infection

    Medicine

    Neuroscience

    Menu

    JoVE Encyclopedia of Experiments

    Biological Techniques

    Biology

    Cancer Research

    Immunology

    Neuroscience

    Microbiology

    Menu

    JoVE Core

    Analytical Chemistry

    Anatomy and Physiology

    Biology

    Calculus

    Cell Biology

    Chemistry

    Civil Engineering

    Electrical Engineering

    Introduction to Psychology

    Mechanical Engineering

    Medical-Surgical Nursing

    View All

    Menu

    JoVE Science Education

    Advanced Biology

    Basic Biology

    Chemistry

    Clinical Skills

    Engineering

    Environmental Sciences

    Physics

    Psychology

    View All

    Menu

    JoVE Lab Manual

    Biology

    Chemistry

    Menu

    JoVE Business

    Accounting

    Finance

    Macroeconomics

    Marketing

    Microeconomics

Start Free Trial
Loading...
Home
JoVE Journal
Biology
In vivo Rilevamento della permeabilità vascolare nella ghiandola sottomandibolare del topo
In vivo Rilevamento della permeabilità vascolare nella ghiandola sottomandibolare del topo
JoVE Journal
Biology
A subscription to JoVE is required to view this content.  Sign in or start your free trial.
JoVE Journal Biology
In Vivo Vascular Permeability Detection in Mouse Submandibular Gland

In vivo Rilevamento della permeabilità vascolare nella ghiandola sottomandibolare del topo

Full Text
2,530 Views
07:10 min
August 4, 2022

DOI: 10.3791/64167-v

Xiangdi Mao1, Sainan Min2, Qihua He3, Xin Cong1

1Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences,Ministry of Education, and Beijing Key Laboratory of Cardiovascular Receptors Research, 2Department of Oral and Maxillofacial Surgery,Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Reseah Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, 3State Key Laboratory of Natural and Biomimetic Drugs,Peking University

AI Banner

Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This study evaluates the endothelial barrier function of the submandibular gland (SMG) using in vivo imaging techniques. Fluorescent tracers of varying molecular weights were injected into test animal models, demonstrating how molecular permeability can be assessed using two-photon laser scanning microscopy.

Key Study Components

Research Area

  • Endothelial barrier function
  • Vascular permeability studies
  • Fluorescent tracer application

Background

  • Importance of tight junctions in endothelial cells
  • Non-invasive imaging methods for tissue analysis
  • The role of submandibular glands in vascular studies

Methods Used

  • In vivo paracellular permeability detection
  • Mouse submandibular glands
  • Two-photon laser scanning microscopy

Main Results

  • Demonstrated varying leakage of fluorescent tracers based on molecular weight
  • Identified disruptions in endothelial barrier integrity due to duct ligation
  • Validated findings through fluorescence intensity quantification

Conclusions

  • The method provides insights into endothelial barrier function in tissues
  • Enhances understanding of vascular permeability related to physiological and pathological conditions

Frequently Asked Questions

What is the purpose of using different molecular weight tracers?
Using tracers of different molecular weights allows for assessing the permeability of tight junctions in endothelial cells.
How does two-photon laser scanning microscopy improve imaging?
This method enables deeper tissue imaging with less scattering compared to conventional techniques, providing clearer images.
What effects were observed when duct ligation was performed?
Duct ligation increased permeability, allowing larger molecular tracers to leak out, indicating a disruption in the endothelial barrier.
Why is proper SMG isolation critical in this protocol?
Careful isolation is essential to minimize artifacts and ensure accurate imaging and permeability assessments.
What are the applications of this imaging technique?
This technique can be applied to study vascular diseases, drug delivery systems, and tissue engineering.
What does the study reveal about vascular permeability in the SMG?
The findings provide a new understanding of how the SMG's endothelial barrier behaves under physiological challenges.

Nel presente protocollo, la funzione di barriera endoteliale della ghiandola sottomandibolare (SMG) è stata valutata iniettando diversi traccianti fluorescenti pesati molecolari nelle vene angolari di modelli animali in vivo sotto un microscopio a scansione laser a due fotoni.

Il presente protocollo descrive una misura di rilevamento della permeabilità paracellulare in vivo per valutare la funzione delle giunzioni endoteliali strette nelle ghiandole sottomandibolari di topo. La microscopia a scansione laser a due fotoni, tuttavia, non solo ha il vantaggio della microscopia confocale convenzionale, ma può anche essere utilizzata per rilevare più chiaramente tessuti e immagini più profondi. Questo esperimento fornisce un buon metodo di misura per valutare la permeabilità vascolare di diversi tessuti, in particolare i tessuti superficiali e gli organi degli animali.

Inizia scegliendo traccianti appropriati come fluoresceina, isotiocianato, destrano marcato e Rhodamine B, destrano marcato con spettri di emissione di eccitazione distinti, per ridurre al minimo l'interferenza tra i segnali di fluorescenza per il saggio di permeabilità. Diluire le tracce in soluzione salina tamponata con fosfato sterile in 100 milligrammi per millilitro di scorte e conservare le aliquote al riparo dalla luce a meno 20 gradi Celsius. Dopo aver anestetizzato il topo selvatico maschio di 8-10 settimane, tenere delicatamente la testa e il collo del topo per far sporgere leggermente un lato del bulbo oculare.

View the full transcript and gain access to thousands of scientific videos

View the full transcript and gain access to thousands of scientific videos

Sign In Start Free Trial

Explore More Videos

Biologia Numero 186

Related Videos

Un In vivo Test per la verifica della nave Permeabilità Sangue

07:03

Un In vivo Test per la verifica della nave Permeabilità Sangue

Related Videos

66.9K Views

Nella misura in vivo della superficie polmonare strato endoteliale mouse

08:55

Nella misura in vivo della superficie polmonare strato endoteliale mouse

Related Videos

15.1K Views

Intravitale Microscopia per le strutture Imaging subcellulari in topi vivi Esprimere proteine ​​fluorescenti

08:23

Intravitale Microscopia per le strutture Imaging subcellulari in topi vivi Esprimere proteine ​​fluorescenti

Related Videos

24.3K Views

Non invasivo In Vivo Fluorescenza ottica di imaging dell'attività MMP infiammatoria utilizzando un agente fluorescente di imaging attivo

06:46

Non invasivo In Vivo Fluorescenza ottica di imaging dell'attività MMP infiammatoria utilizzando un agente fluorescente di imaging attivo

Related Videos

9.3K Views

Isolamento delle ghiandole mammarie Mouse intatto, intero per l'analisi di espressione di matrice extracellulare e la morfologia della ghiandola

12:49

Isolamento delle ghiandole mammarie Mouse intatto, intero per l'analisi di espressione di matrice extracellulare e la morfologia della ghiandola

Related Videos

18K Views

In Vivo barriera emato - encefalica permeabilità saggio nei topi utilizzando fluorescente etichettati traccianti

09:35

In Vivo barriera emato - encefalica permeabilità saggio nei topi utilizzando fluorescente etichettati traccianti

Related Videos

26.3K Views

Preparazione della ghiandola salivare sottomandibolare murino per microscopia Intravital verticale

08:13

Preparazione della ghiandola salivare sottomandibolare murino per microscopia Intravital verticale

Related Videos

8.9K Views

Iniezione delle nanoparticelle Retroductal alla ghiandola sottomandibolare murina

07:45

Iniezione delle nanoparticelle Retroductal alla ghiandola sottomandibolare murina

Related Videos

10.8K Views

Valutazione vascolari agenti d'induzione Hyperpermeability nella pelle con il dosaggio di Miles

08:43

Valutazione vascolari agenti d'induzione Hyperpermeability nella pelle con il dosaggio di Miles

Related Videos

15.9K Views

Microscopia subcellulare intravitale della ghiandola mammaria

04:14

Microscopia subcellulare intravitale della ghiandola mammaria

Related Videos

1.4K Views

JoVE logo
Contact Us Recommend to Library
Research
  • JoVE Journal
  • JoVE Encyclopedia of Experiments
  • JoVE Visualize
Business
  • JoVE Business
Education
  • JoVE Core
  • JoVE Science Education
  • JoVE Lab Manual
  • JoVE Quizzes
Solutions
  • Authors
  • Teaching Faculty
  • Librarians
  • K12 Schools
  • Biopharma
About JoVE
  • Overview
  • Leadership
Others
  • JoVE Newsletters
  • JoVE Help Center
  • Blogs
  • JoVE Newsroom
  • Site Maps
Contact Us Recommend to Library
JoVE logo

Copyright © 2026 MyJoVE Corporation. All rights reserved

Privacy Terms of Use Policies
WeChat QR code