CD Markers

Topic Completed: 1 February 2002

Minor changes: 23 October 2019

Copyright: 2002-2019,, Inc.

PubMed Search: CD65s

Nat Pernick, M.D.
Page views in 2019: 27
Page views in 2020 to date: 26
Cite this page: Pernick N. CD65s. website. Accessed July 10th, 2020.
Definition / general
  • Also called sialylated-CD65
  • A carbohydrate antigen, not a protein
  • Appears when CD34 antigen disappears
  • Antibodies may either recognize CD65s (sialylated) or CD65 (non-sialylated)
Uses by pathologists
Positive staining - normal
  • Granulocytes, monocytes
Positive staining - disease
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