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Related Experiment Videos

[Formaldehyde fixation in the third millennium].

F Plénat1, L Antunes, T Haller

  • 1Laboratoire d'Anatomie Pathologique, INSERM E14, Faculté de Médecine, 9, avenue de la Forêt de Haye, BP 184, 54505 Vandoeuvre-lès-Nancy Cedex. plenat@facmed.u-nancy.fr

Annales De Pathologie
|February 27, 2001
PubMed
Summary
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Formaldehyde fixation is crucial for preserving tissues but can alter protein reactivity for immunohistochemistry and affect genomic analysis. Understanding formaldehyde

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Histology

Context:

  • Formaldehyde is a widely used fixative in biological research and diagnostics.
  • Fixation preserves tissue structure but can modify biomolecules.
  • Understanding fixation chemistry is vital for accurate downstream analyses.

Purpose:

  • To review the principles and challenges of formaldehyde fixation.
  • To discuss formaldehyde's reactivity with tissue components.
  • To examine the impact of fixation on immunohistochemistry and genomic studies.

Summary:

  • This review covers formaldehyde production, chemical properties, and binding kinetics.
  • It details formaldehyde's reactivity with proteins and nucleic acids.
  • The effects on antibody binding in immunohistochemistry and concerns for genomic analysis are discussed.

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Impact:

  • Highlights how formaldehyde fixation impacts protein-antibody interactions.
  • Identifies challenges for genomic and gene expression studies using fixed tissues.
  • Provides insights for optimizing tissue fixation protocols.