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Related Experiment Video

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An Effective Manual Deboning Method To Prepare Intact Mouse Nasal Tissue With Preserved Anatomical Organization
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Tissues under-vacuum to overcome suboptimal preservation.

Laura Annaratone1, Caterina Marchiò2, Anna Sapino2

  • 1Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.

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|June 1, 2019
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Summary

Controlling cold ischemia time is crucial for accurate histopathological diagnosis. Under-vacuum cooling of surgical specimens at 4°C offers a reliable method to preserve tissue morphology and molecular integrity.

Keywords:
DNAPre-AnalyticsProteinsRNATissue preservationUnder-vacuum

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Area of Science:

  • Surgical Pathology
  • Histopathology
  • Tissue Preservation

Background:

  • Accurate histopathological diagnosis depends on adequate tissue preservation.
  • Pre-analytical variables, especially cold ischemia time, can compromise tissue morphology, antigenicity, and nucleic acid integrity.
  • This degradation impacts diagnostic interpretation, reproducibility, and molecular/immunocytochemical results.

Purpose of the Study:

  • To systematically review the advantages and disadvantages of under-vacuum tissue preservation and cooling.
  • To highlight the impact of this method on diagnostic and experimental pathology.
  • To present practical experience with this technique in surgical pathology.

Main Methods:

  • Systematic review of existing literature on under-vacuum tissue preservation.
  • Analysis of the effects of cold ischemia time on tissue quality.
  • Inclusion of practical experience from daily practice and research projects.

Main Results:

  • Under-vacuum storage at 4°C effectively controls cold ischemia time.
  • This method preserves tissue morphology, antigens, and nucleic acids.
  • It standardizes fixation and facilitates tissue banking for diagnostic and research purposes.

Conclusions:

  • Under-vacuum tissue preservation and cooling is a safe and reliable method for surgical pathology.
  • It significantly improves tissue quality, impacting diagnostic accuracy and experimental outcomes.
  • The technique supports the establishment of robust tissue banks.