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Biology
Semplice monitoraggio continuo del glucosio in topi che si muovono liberamente
Semplice monitoraggio continuo del glucosio in topi che si muovono liberamente
JoVE Journal
Biology
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JoVE Journal Biology
Simple Continuous Glucose Monitoring in Freely Moving Mice

Semplice monitoraggio continuo del glucosio in topi che si muovono liberamente

Full Text
7,970 Views
03:25 min
February 24, 2023

DOI: 10.3791/64743-v

Doron Kleiman1, Mika Littor1,2, Mahmoud Nawas3, Rachel Ben-Haroush Schyr1, Danny Ben-Zvi1

1Department of Developmental Biology and Cancer Research, Institute of Medical Research Israel-Canada,The Hebrew University-Hadassah Medical School, 2Department of Military Medicine and “Tzameret”, Faculty of Medicine,Hebrew University of Jerusalem, and Medical Corps, Israel Defense Forces, 3Department of Surgery,Hadassah Medical Center-Ein Kerem Campus

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

Overview

This study presents a straightforward method for implanting a commercial continuous glucose monitor (CGM) in mice to track glucose levels. The technique offers significant advantages, eliminating the need for complex microsurgery or bleeding, thus facilitating studies in obesity and diabetes models.

Key Study Components

Research Area

  • Diabetes research
  • Metabolic phenotype identification
  • Glucose monitoring in animal models

Background

  • Importance of monitoring glucose levels in obesity and diabetes research
  • Challenges associated with traditional surgical approaches
  • Need for effective methods to explore glucose management phenotypes

Methods Used

  • The procedure for inserting a CGM cannula
  • Mice as the biological model system
  • Utilization of suture techniques and sensor activation

Main Results

  • The method successfully secured the CGM cannula for extended monitoring
  • Data collected revealed new insights into metabolic phenotypes
  • Demonstrated feasibility and efficiency in data acquisition from mice

Conclusions

  • The study illustrates a reliable protocol for glucose monitoring in mice
  • This method contributes to advancing research in metabolic disorders

Frequently Asked Questions

What is the main advantage of this glucose monitoring method?
It simplifies the monitoring process and eliminates the need for invasive surgery or bleeding, making it less stressful for the mice.
How long can the CGM monitor glucose levels?
The method allows for continuous data collection, with effective monitoring over multiple days, as demonstrated in a three-day data collection period.
What biological models can benefit from this technique?
The technique is particularly useful in mouse models of obesity and diabetes, aiding in the identification of glucose management phenotypes.
What preparations are necessary before implanting the CGM?
It involves shaving the midline of the mouse's back, using depilatory cream, and making a small incision for cannula placement.
Are there any specific challenges when implementing this method?
The critical step is the careful insertion of the cannula and securing it properly to ensure it remains in place during the monitoring period.
Can the data collection parameters be adjusted?
Yes, the scripts provided allow modulation of various parameters during data analysis.
What type of data does this method produce?
The method produces continuous glucose monitoring data, which can reveal metabolic insights in mouse models.

Qui, descriviamo un metodo semplice per impiantare un monitor glicemico continuo commerciale progettato per i pazienti sui topi e forniamo gli script per analizzare i risultati.

Il nostro protocollo offre un metodo semplice ed economico per monitorare i livelli di glucosio nei topi. Il vantaggio principale di questa tecnica è che non richiede microchirurgia impegnativa e non comporta sanguinamento o manipolazione dei topi. Questo metodo può essere utilizzato per identificare fenotipi elusivi di gestione del glucosio in modelli murini di obesità e diabete.

Durante il tentativo di questo protocollo, il passo più critico è l'inserimento della cannula sotto la pelle e il serraggio delle suture interne per mantenere la cannula in posizione. Per iniziare a radersi la linea mediana della parte posteriore del topo anestetizzato e utilizzare una crema depilatoria per garantire la completa depilazione. Aprire e caricare il sensore.

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