Stains
Phosphohistone H3

Author: Nat Pernick, M.D. (see Authors page)

Revised: 7 December 2015, last major update June 2005

Copyright: (c) 2002-2015, PathologyOutlines.com, Inc.

PubMed Search: Phosphohistone H3 [title]

Cite this page: Phosphohistone H3. PathologyOutlines.com website. http://pathologyoutlines.com/topic/stainsphosphohistoneh3.html. Accessed October 21st, 2017.
Definition / general
  • Core histone protein that is major constituent of chromatin; marker of cells in late G2 and M phase
Interpretation
  • Nuclear stain
  • Count phosphohistone H3+ objects (nuclei and mitoses) in 10 adjacent fields with 40x objective, in invasive epithelial areas with highest phosphohistone H3 staining
  • Ignore nuclei with fine granular staining
Uses by pathologists
Microscopic (histologic) images

Images hosted on Other servers:

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Normal colonic mucosa

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Ki-67, phosphohistone H3 and survivin

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Grade 3 breast carcinoma

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Thick cutaneous melanomas



Nature images:

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Node negative breast cancer

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Various images

Positive staining - disease
  • Mitotic activity