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Immunology and Infection
Intubação oral de Zebrafish adulto: um modelo para avaliar a absorção Intestinal de compostos bio...
Intubação oral de Zebrafish adulto: um modelo para avaliar a absorção Intestinal de compostos bio...
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Oral Intubation of Adult Zebrafish: A Model for Evaluating Intestinal Uptake of Bioactive Compounds

Intubação oral de Zebrafish adulto: um modelo para avaliar a absorção Intestinal de compostos bioativos

Full Text
8,477 Views
04:33 min
September 27, 2018

DOI: 10.3791/58366-v

Jie Ji1,2, Rosemary Thwaite1,2, Nerea Roher1,2

1Institute of Biotechnology and Biomedicine (IBB-UAB),Universitat Autònoma de Barcelona, 2Department of Cell Biology, Animal Physiology and Immunology,Universitat Autònoma de Barcelona

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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 protocol outlines the intubation of adult zebrafish with biologics, followed by dissection and preparation of the intestine for cytometry, confocal microscopy, and qPCR. It enables the administration of bioactive compounds to study intestinal uptake and local immune responses.

Key Study Components

Area of Science

  • Mucosal vaccinology
  • Intestinal dynamics
  • Immune system modulation

Background

  • Understanding how biological compounds are absorbed by the intestinal mucosa.
  • Investigating the immune response at the local site post-intubation.
  • Importance of visual demonstration for careful intubation and dissection.
  • Application of the method to various compounds including chemicals and pathogens.

Purpose of Study

  • To explore the uptake of biological compounds in the intestinal mucosa.
  • To assess how these compounds influence local immune responses.
  • To provide insights into mucosal vaccinology.

Methods Used

  • Intubation of adult zebrafish with biologics.
  • Dissection of the intestine for further analysis.
  • Cytometry, confocal microscopy, and qPCR techniques.
  • Careful handling to minimize mortality during procedures.

Main Results

  • Demonstrated low mortality rates with the method.
  • Provided insights into the dynamics of oral prophylactics.
  • Showed the potential for application to various biological compounds.
  • Highlighted the importance of technique in mucosal research.

Conclusions

  • This method is effective for studying intestinal uptake and immune modulation.
  • It offers a simple and quick setup for researchers.
  • Visual guidance is crucial for successful implementation.

Frequently Asked Questions

What is the main advantage of this intubation method?
The method is simple to set up, quick, and shows low mortality rates.
What types of compounds can be tested using this method?
It can be applied to biologicals, chemicals, toxics, or pathogens.
Why is visual demonstration important in this protocol?
Careful handling is necessary to avoid injuring the zebrafish during intubation and dissection.
What insights can this method provide?
It can provide insights into mucosal vaccinology and intestinal dynamics.
How does this method contribute to understanding the immune system?
It helps in understanding how biological compounds modulate the immune response at the local site.
What are the key steps in this protocol?
The key steps include intubation, dissection, and preparation for cytometry and microscopy.

O protocolo descreve intubação zebrafish adulto com um biológico; em seguida, dissecando e preparar o intestino para citometria, microscopia confocal e qPCR. Este método permite a administração de compostos bioativos para monitorar a absorção intestinal e o estímulo imune local evocado. É relevante para a dinâmica intestinal da profilaxia oral de teste.

Este método pode ajudar a responder a perguntas-chave no campo da vacinação da mucosa, como como a mucosa intestinal capta compostos biológicos e como tais biológicos modulam o sistema imunológico no local após a intubação. A principal vantagem dessa técnica é que é simples de configurar, rápido e mostra baixas taxas de mortalidade. Este método pode fornecer informações sobre a vacinação mucosa.

Também pode ser aplicado a outros compostos, como produtos químicos, tóxicos ou patógenos. A demonstração visual deste método é fundamental, pois nas etapas de intubação oral e dissecção intestinal, é preciso ter cuidado porque na intubação você pode ferir o zebrafish e causar a morte. Na dissecção, a extremidade do intestino é muito fina e frágil.

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