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Updated: Sep 28, 2025
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Diagnostic Necropsy and Selected Tissue and Sample Collection in Rats and Mice
Published on: August 7, 2011
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A guide to post-mortem examination procedure in mouse models.
Alexandra Rodrigues1, Lynn Beresford1, Cheryl L Scudamore2
1Mary Lyon Centre, MRC Harwell, UK.
Laboratory Animals
|April 1, 2022
Summary
This study presents an optimized mouse tissue collection method for post-mortem examinations. This technique ensures high-quality samples for histology, reducing animal use and supporting ethical research principles.
Area of Science:
- Veterinary Pathology
- Laboratory Animal Science
- Histology
Background:
- Accurate post-mortem examination in mice is crucial for identifying disease indicators.
- Proper tissue handling and preservation are essential for reliable histological analysis.
- Current methods may lead to sample degradation and data loss, impacting research integrity.
Purpose of the Study:
- To describe an optimized, standardized method for mouse tissue collection post-mortem.
- To improve the quality of samples for subsequent histological examination.
- To support the ethical reduction of animal usage in research.
Main Methods:
- Detailed description of an optimized tissue collection protocol for mice.
- Inclusion of practical training tips for researchers.
- Highlighting critical points for caution during sample acquisition.
Main Results:
- The optimized method facilitates efficient routine procedures for histology.
- High-quality tissue samples are ensured, minimizing deterioration.
- Reduced sample damage contributes to minimizing data loss.
Conclusions:
- The described optimized method enhances the quality and reliability of post-mortem mouse tissue analysis.
- Implementation of this protocol supports the 3Rs principles by reducing animal numbers.
- This standardized approach is vital for accurate pathological assessment and reproducible research.
