HistoChoice® as an alternative to formalin fixation of undecalcified bone specimens

Melissa Kacena, N. W. Troiano, C. E. Coady, M. C. Horowitz

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We compared histochemical and immunohistochemical staining as well as fluorochrome labeling in murine bone specimens that were fixed with 10% neutral buffered formalin to those fixed with HistoChoice®. We showed that sections from undecalcified tibiae fixed for 4 h in HistoChoice® resulted in enhanced toluidine blue and Von Kossa histochemical staining compared to formalin fixation. HistoChoice® produced comparable or improved staining for alkaline phosphatase. Acid phosphatase localization was better in formalin fixed specimens, but osteoclasts were visuralized more easily in HistoChoice® fixed specimens. As expected, immunohistochemical labeling was antibody dependent; some antibodies labeled better in HistoChoice® fixed specimens while others were better in formalin fixed specimens. Toluidine blue, Von Kossa, and alkaline phosphatase staining of sections fixed for 12 h produced sections that were similar to 4 h fixed sections. Fixation for 12 h preserved acid phosphatase activity better. Increasing fixation to 12 h affected immunolocalization differentially. Bone sialoprotein labeling in HistoChoice® fixed specimens was comparable to formalin fixed samples. On the other hand, after 12 h formalin fixation, osteocalcin labeling was comparable to HistoChoice®. For most histochemical applications, fixing murine bone specimens for 4 h with HistoChoice® yielded superior staining compared to formalin fixation. If immunohistochemical localization is desired, however, individual antibodies must be tested to determine which fixation process retains antigenicity better. In addition, there was no detectable difference in the intensity of fluorochrome labeling using either fixative. Finally, fixation duration did not alter the intensity of labeling.

Original languageEnglish (US)
Pages (from-to)185-190
Number of pages6
JournalBiotechnic and Histochemistry
Volume79
Issue number5-6
DOIs
StatePublished - Oct 2004
Externally publishedYes

Fingerprint

Formaldehyde
Bone and Bones
Staining and Labeling
Tolonium Chloride
Acid Phosphatase
Fluorescent Dyes
Alkaline Phosphatase
Antibodies
Integrin-Binding Sialoprotein
Fixatives
Osteocalcin
Osteoclasts
Tibia

Keywords

  • Histochemistry
  • Histology
  • Immunohistochemistry
  • Methylmethacrylate
  • Mouse
  • Preservation

ASJC Scopus subject areas

  • Anatomy
  • Applied Microbiology and Biotechnology

Cite this

HistoChoice® as an alternative to formalin fixation of undecalcified bone specimens. / Kacena, Melissa; Troiano, N. W.; Coady, C. E.; Horowitz, M. C.

In: Biotechnic and Histochemistry, Vol. 79, No. 5-6, 10.2004, p. 185-190.

Research output: Contribution to journalArticle

Kacena, Melissa ; Troiano, N. W. ; Coady, C. E. ; Horowitz, M. C. / HistoChoice® as an alternative to formalin fixation of undecalcified bone specimens. In: Biotechnic and Histochemistry. 2004 ; Vol. 79, No. 5-6. pp. 185-190.
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